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Retrieved Entries: 461 [» Advanced search reports]

2002

  1. J. Tešic, S. Newsam, and B. S. Manjunath,
    “Scalable Spatial Event Representation”,
    IEEE International Conference on Multimedia and Expo (ICME), vol. 2, pp. 229-232, Lausanne, Switzerland, Aug. 2002.
    [abstract] [PDF] [BibTex]
    Abstract preview: This work introduces a conceptual representation for com-plex spatial arrangements of image features in large multi-media datasets. A novel data structure, termed the Spatial Event Cube (SEC), is form ... more
  2. S. Bhagavathy, S. Newsam, and B. S. Manjunath,
    “Modeling Object Classes in Aerial Images Using Texture Motifs”,
    IEEE International Conference on Pattern Recognition (ICPR), vol. 2, pp. 981-984, Québec City, Aug. 2002.
    [abstract] [PDF] [BibTex]
    Abstract preview: We propose a canonical model for object classes in aerial images. This model is motivated by the observation that geographic regions of interest are characterized by collections of texture motifs corr ... more
  3. X. Sun, D. Kimber, J. Foote, and B. S. Manjunath,
    “Detecting Path Intersections in Panoramic Video”,
    IEEE International Conference on Multimedia and Expo (ICME), vol. 2, pp. 529-532, Lausanne, Switzerland, Aug. 2002.
    [abstract] [PDF] [BibTex]
    Abstract preview: Given panoramic video taken along a self-intersecting path, we present a method for detecting the intersection points. This allows "virtual tours" to be synthesized by splicing the panoramic ... more
  4. X. Sun, C.-W. Chen, and B. S. Manjunath,
    “Probabilistic Motion Parameter Models for Human Activity Recognition”,
    IEEE International Conference on Pattern Recognition (ICPR) 2002, vol. 1, pp. 443-446, Québec City, Canada, Aug. 2002.
    [abstract] [PDF] [BibTex]
    Abstract preview: A novel method for human activity recognition is presented. Given a video sequence containing human activity, the motion parameters of each frame are first computed using different motion parameter mo ... more
  5. Y. Choi, C. S. Won, Y. M. Ro, and B. S. Manjunath,
    “Texture Descriptors”,
    Introduction to MPEG-7, Multimedia Content Description Interface, B. S. Manjunath, P. Salembier and T. Sikora (editors), John Wiley and Sons, Ltd., Jun. 2002.
    [abstract] [BibTex]
  6. J. Ohm, L. Cieplinski, H. J. Kim, S. Krishnamacari, B. S. Manjunath, D. S. Messing and Akio Yamada,
    “Color Descriptors”,
    Introduction to MPEG-7, Multimedia Content Description Interface, B. S. Manjunath, P. Salembier and T. Sikora (editors), John Wiley and Sons, Ltd., Jun. 2002.
    [abstract] [BibTex]
  7. B. S. Manjunath and T. Sikora,
    “Overview of Visual Descriptors”,
    Introduction to MPEG-7, Multimedia Content Description Interface, B. S. Manjunath, P. Salembier and T. Sikora (editors), John Wiley and Sons, Ltd., Jun. 2002.
    [abstract] [BibTex]
  8. D. Fedorov, L. M. G. Fonseca, C. Kenney, B. S, Manjunath,
    “System for Automatic Registration of Remote Sensing Images”,
    IEEE International Geoscience and Remote Sensing Symposium (IGARSS02), Toronto, Canada, Jun. 2002.
    [abstract] [PDF] [BibTex]
    Abstract preview: Image registration is the process of matching two images so that corresponding coordinate points in the two images correspond to the same physical region of the scene being imaged. It's an import ... more
  9. B. S. Manjunath,
    “Introduction to MPEG-7, Multimedia Content Description Interface”,
    John Wiley and Sons, Ltd., B. S. Manjunath, P. Salembier and T. Sikora, Jun. 2002.
    [abstract] [BibTex]
  10. K. Solanki, N. Jacobsen, S. Chandrasekaran, U. Madhow, and B. S. Manjunath,
    “High-volume data hiding in images: Introducing perceptual criteria into quantization based embedding”,
    ICASSP, vol. 4, pp. 3485-3488, May. 2002.
    [abstract] [PDF] [BibTex]
    Abstract preview: Information-theoretic analyses for data hiding prescribe em-bedding the hidden data in the choice of quantizer for the host data. In this paper, we consider a suboptimal implementation of this prescri ... more
  11. B. S. Manjunath and W. Ma,
    “Texture Features for Image Retrieval”,
    Image Databases: Search and Retrieval of Digital Imagery, V. Castelli and L. D. Bergman (editors), Wiley Publishing, 2002.
    [abstract] [BibTex]

2001

  1. Z. He, S.Mitra,
    “A Unified Rate-Distortion Analysis Framework for Transform Coding”,
    IEEE Transactions on Circuits and Systems for Video Technology, vol. 11, no. 12, pp. 1221-1236, Dec. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: In our previous work, we have developed a rate-dis-tortion (R-D) modeling framework H.263 video coding by introducing the new concepts of characteristic rate curves and rate curve decomposition. In th ... more
  2. B. Sumengen, B. S. Manjunath, C. Kenney,
    “Image Segmentation using Curve Evolution”,
    Asilomar Conference on Signals, Systems and Computers, vol. 2, pp. 1141-1145, Monterey, CA, Nov. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: A novel scheme for image segmentation is presented. The technique is based on the integration of ideas from geodesic active contours and a recently proposed edgeflow segmentation. Given an image a 2-D ... more
  3. P. Wu, B. S. Manjunath,
    “Adaptive Nearest Neighbor Search for Relevance Feedback in Large Image Datasets”,
    IEEE International Conference on Image Processing (ICIP 2001), Special Session on Multimedia Indexing, Browsing and Retrieval, pp. 87-98, Thessalonica, Greece, Oct. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: Relevance feedback is often used in refining similarity retriev-als in image and video databases. Typically this involves modifi-cation to the similarity metrics based on the user feedback and recompu ... more
  4. P. Wu, B. S. Manjunath, and S. Chandrasekaran,
    “An Adaptive Index Structure for High-Dimensional Similarity Search”,
    IEEE Pacific-Rim Conference on Multimedia, Advances in Multimedia Information (PCM '01), pp. 71-77, Beijing, China, Oct. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: A practical method for creating a high dimensional index structure that adapts to the data distribution and scales well with the database size, is presented. Typical media descriptors, such as texture ... more
  5. X. Sun, J. Foote, D. Kimber, and B. S. Manjunath,
    “Panoramic Video Capturing and Compressed Domain Virtual Camera Control”,
    ACM International Multimedia Conference (MM '01), pp. 329-347, Ottawa, Canada, Oct. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: A system for capturing panoramic video and a novel method for corresponding compressed domain virtual camera control is presented. It targets applications such as classroom lectures and video conferen ... more
  6. S. Newsam, B. Sumengen, and B. S. Manjunath,
    “Category-Based Image Retrieval”,
    IEEE International Conference on Image Processing (ICIP 2001), pp. 596-599, Thessalonica, Greece, Oct. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: This work presents a novel approach to content-based image retrieval in categorical multimedia databases. The images are indexed using a combination of text and content descriptors. The categories are ... more
  7. X. Sun, A. Divakaran, B. S. Manjunath,
    “A Motion Activity Descriptor and Its Extraction in Compressed Domain”,
    IEEE Pacific-Rim Conference on Multimedia (PCM '01), pp. 450-457, Beijing, China, Oct. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: A novel motion activity descriptor and its extraction from a compressed MPEG (MPEG-1/2) video stream are presented. The descriptor consists of two parts, a temporal descriptor and a spatial descriptor ... more
  8. X. Sun, J. Foote, D. Kimber, and B. S. Manunath,
    “Recording the region of interest from FLYCAM panoramic video”,
    IEEE International Conference on Image Processing (ICIP 2001), pp. 409-412, Thessaloniki, Greece, Oct. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: A novel method for region of interest tracking and recording video is presented. The proposed method is based on the FlyCam system 4, which produces high resolution and wide-angle video sequences by s ... more
  9. L. Lucchese and S. K. Mitra,
    “Color segmentation through independent anisotropic diffusion of complex chromaticity and lightness”,
    IEEE International Conference on Image Processing (ICIP 2001), Thessalonika, Greece, Sep. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: This paper presents a new technique based on anisotropic diffu-sion for segmenting color images. This operation is accomplished through two independent anisotropic diffusion processes: one in-volving ... more
  10. L. Lucchese and S. K. Mitra,
    “Color segmentation based on separate anisotropic diffusion of chromatic and achromatic channels”,
    IEEE Proceedings: Vision, Image, and Signal Processing, Sep. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: This paper presents a new technique for segmenting images only on the basis of color information. It is shown how segmentation can bene t from splitting color signals into chromatic and achromatic cha ... more
  11. Y. Deng, and B. S.Manjunath,
    “Unsupervised segmentation of color-texture regions in images and video”,
    IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI '01), vol. 23, no. 8, pp. 800-810, Aug. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: A new method for unsupervised segmentation of color-texture regions in images and video is presented. This method, which we refer to as JSEG, consists of two independent steps: color quantization a ... more
  12. Y. M. Ro, M. Kim, H. K. Kang, B. S. Manjunath and J. Kim,
    “MPEG-7 Homogenous Texture Descriptor”,
    ETRI Journal, vol. 32, no. 2, pp. 41-51, Jun. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: MPEG7 standardization work has started with the aims of providing fundamental tools for describing multimedia contents. MPEG7 defines the syntax and semantics of descriptors and description schemes so ... more
  13. B. S. Manjunath, J. R. Ohm, V. V. Vinod, and A. Yamada,
    “Color and Texture descriptors”,
    IEEE Trans. Circuits and Systems for Video Technology, Special Issue on MPEG-7, vol. 11, no. 6, pp. 703-715, Jun. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: This paper presents an overview of color and texture descriptors that have been approved for the Final Committee Draft of the MPEG-7 standard. The color and texture descriptors that are described in t ... more
  14. S. Newsam, S. Bhagavathy, L. Fonseca, C. Kenney and B. S. Manjunath,
    “Object based representations of spatial images”,
    Acta Astronautica, vol. 48, no. 5-12, pp. 567-577, Rio de Janeiro, Brazil, Jun. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: Object based representations of image data enable new content- related functionalities while facilitating management of large image databases. Developing such representations for multi-date and multi- ... more
  15. Zhihai He, Yong Kwan Kim, and Sanjit K. Mitra,
    “Rho domain source modeling and rate control for video encoding and transmission”,
    ICASSP 2001, May. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: In this work, the coding bit rate R is considered as a function of Rho which is the percentage of zeros among the quantized DCT coefficients. We discover that the rate function R(Rho) has some very in ... more
  16. Zhihai He and Sanjit K. Mitra,
    “A novel linear source model and a unified rate control algorithm for H.263/MPEG-2/ MPEG-4”,
    ICASSP 2001, May. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: Let Rho be the percentage of zeros among the quantized transform coefficients. We discover that, in any typical video coding systems, there is always a strictly linear relationship between Rho and the ... more
  17. Zhihai He, Yong Kwan Kim, and Sanjit K. Mitra,
    “A novel source modeling framework for bit rate and picture quality control in DCT visual coding”,
    Picture Coding Symposium, South Korea, Apr. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: We present a novel source modeling framework in this paper. With the proposed source model, we can estimate the rate-distortion(R-D) curve before quantization and coding for DCT-based still images an ... more
  18. C. Kenney, Y. Deng, B. S. Manjunath, G. Hewer,
    “Peer group image enhancement”,
    IEEE Transactions on Image Processing, vol. 10, no. 2, pp. 326-334, Feb. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: Peer group image processing identifies a "peer group" for each pixel and then replaces the pixel intensity with the average over the peer group. Two parameters provide directly control over ... more
  19. L. Lucchese,
    “A frequency domain technique based on energy radial projections for robust estimation of global 2D affine transformations”,
    Computer Vision and Image Understanding, vol. 81, no. 1, pp. 72-116, Academic Press, Jan. 2001.
    [abstract] [PDF] [BibTex]
  20. Michael S. Moore, John M. Foley, and Sanjit K. Mitra,
    “A comparison of the detectability and annoyance value of embedded MPEG-2 artifacts of different type, size and duration”,
    SPIE, Human Vision and Electronic Imaging VI, vol. 4299, San Jose, CA, Jan. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: One fundamental problem in predicting the subjective quality of a degraded video is that the perceived quality depends on the properties of the video itself, or the context of the degradation. In th ... more
  21. Y. Deng, B. S. Manjunath, C. Kenney, M. S. Moore, H. Shin,
    “An efficient color representation for image retrieval”,
    IEEE Transactions on Image Processing, vol. 10, no. 1, pp. 140-147, Jan. 2001.
    [abstract] [PDF] [BibTex]
    Abstract preview: A compact color descriptor and an efficient indexing method for this descriptor are presented. The target application is similarity retrieval in large image databases using color. Colors in a given re ... more
  22. R. Chellappa and B. S. Manjunath,
    “Texture classification and Segmentation: Tribulations Triumphs and Tributes”,
    Foundations of Image Understanding (editor: L. Davis), Kluwer Academic Publishers, 2001.
    [abstract] [BibTex]

2000

  1. Tian-Hu Yu, Zhihai He, and S. K. Mitra,
    “A novel coding scheme for wavelet image compression”,
    34th Asilomar Conference on Signals, Systems, and Computers, Oct. 2000.
    [abstract] [PDF] [BibTex]
    Abstract preview: In this papaer, we propose a very simple image compression scheme, The proposed coding scheme employs the multi-level dyadic wavelet decompositoin, linear quantization with a proper dead zone, and th ... more
  2. Zhihai He, Tian-Hu Yu, and S. K. Mitra,
    “Fast and accurate rate prediction and picture quality control for wavelet image coding”,
    34th Asilomar Conference on Signals, Systems, and Computers, Oct. 2000.
    [abstract] [PDF] [BibTex]
    Abstract preview: By introducing the concepts of characteristic rate curves and rate curve decomposition, a novel framework for rate-distortion (R-D) analysis and source modeling is developed in this work. With this ... more
  3. Zhihai He, Tian-Hu Yu, and S. K. Mitra,
    “Fast image coding using blockwise binary classification and trellis coded quantization”,
    34th Asilomar Conference on Signals, Systems, and Computers, Oct. 2000.
    [abstract] [PDF] [BibTex]
    Abstract preview: With blockwise binary classification and data partitioning, we convert the image subbands to the type of data for which the trellis coded quantization(TCQ) has the best quantization performance. Comp ... more
  4. P. Wu, B.S. Manjunath, S. Newsam and H. Shin,
    “A texture descriptor for browsing and similarity retrieval”,
    Journal of Signal Processing: Image Communication, vol. 16, no. 1-2, pp. 33-43, Sep. 2000.
    [abstract] [PDF] [BibTex]
    Abstract preview: Image texture is useful in image browsing, search and retrieval. A texture descriptor based on a multiresolution decomposition using Gabor wavelets is proposed. The descriptor consists of two parts: ... more
  5. L. Lucchese and S. K. Mitra,
    “Filtering color images in the xyY color space”,
    IEEE International Conference on Image Processing, vol. 3, pp. 500-533, Vancouver, B.C., Canada, Sep. 2000.
    [abstract] [BibTex]
  6. M. S. Moore and S. K. Mitra,
    “Statistical Threshold Design for the Two-State Signal-Dependent Rank Order Mean Filter”,
    IEEE International Conference on Image Processing (ICIP 2000), vol. 1, pp. 904-907, Vancouver, Canada, Sep. 2000.
    [abstract] [PDF] [BibTex]
    Abstract preview: The signal-dependent rank order mean (SD-ROM) filter is effective at removing high levels of impulse noise from 2- D scalar-valued signals. Excellent results have been presented for both a two-state a ... more
  7. P. Wu, B. S. Manjunath, and H. D. Shin,
    “Dimensionality Reduction for Image Retrieval”,
    IEEE International Conference on Image Processing (ICIP 2000), vol. 3, pp. 726-729, Vancouver, Canada, Sep. 2000.
    [abstract] [PDF] [BibTex]
    Abstract preview: Dimensionality reduction methods are of interest in applications such as content based image and video retrieval. In large multimedia databases, it may not be practical to search through the entire da ... more
  8. S. Hatipoglu, S.K. Mitra, and N. Kingsbury,
    “Image texture description using complex wavelet transform”,
    IEEE International Conference on Image Processing , vol. 2, pp. 530-533, Vancouver, B.C., Canada, Sep. 2000.
    [abstract] [BibTex]
  9. Tian-Hu Yu, Zhihai He, and S. K. Mitra,
    “Simple and efficient wavelet image compression”,
    IEEE International Conference on Image Processing (ICIP 2000), Vancouver, Canada, Sep. 2000.
    [abstract] [BibTex]
  10. Zhihai He, Tian-Hu Yu, and S. K. Mitra,
    “Blockwise zero mapping image coding”,
    IEEE International Conference on Image Processing (ICIP 2000), Vancouver, Canada, Sep. 2000.
    [abstract] [PDF] [BibTex]
    Abstract preview: Uniformly quantized wavelet coefficients are first partitioned into multiscale blocks. Each block is classified either as an all-zero block or a non-zero block. A new method called zero mapping is pr ... more
  11. Zhihai He and S. K. Mitra,
    “Optimum quantization error feedback filters for wavelet image coding”,
    IEEE International Conference on Image Processing (ICIP 2000), Vancouver, Canada, Sep. 2000.
    [abstract] [PDF] [BibTex]
    Abstract preview: In wavelet image compression, all information loss occurs during quantization. Based on the property of bi-orthogonal wavelets, optimal 2-D quantization error feedback filters are designed to reduce ... more
  12. W. Y. Ma and B. S. Manjunath,
    “EdgeFlow: A technique for boundary detection and segmentation”,
    IEEE Transactions on Image Processing, vol. 9, no. 8, pp. 1375-1388, Aug. 2000.
    [abstract] [PDF] [BibTex]
    Abstract preview: A novel boundary detection scheme based on "edge flow" is proposed in this paper. This scheme utilizes a predictive coding model to identify the direction of change in color and texture at ... more
  13. D. Mukherjee, J. J. Chae, S. K. Mitra, and B. S. Manjunath,
    “A source and channel-coding framework for vector-based data hiding in video”,
    IEEE Trans. On Circuits and systems for video technology, vol. 10, no. 4, pp. 630-645, Jun. 2000.
    [abstract] [PDF] [BibTex]
    Abstract preview: Digital data hiding is a technology being developed for multimedia services, where significant amounts of secure data is invisibly hidden inside a host data source by the owner, for retrieval only by ... more
  14. B. S. Manjunath, T. Huang, A. M. Tekalp, and H. J. Zhang ,
    “Introduction to the special issue on image and video processing for digital libraries”,
    IEEE Transactions on Image Processing, vol. 9, no. 1, pp. 1-2, Jan. 2000.
    [abstract] [PDF] [BibTex]
  15. Michael S. Moore, John M. Foley, and Sanjit K. Mitra,
    “Detectability and Annoyance Value of MPEG-2 Artifacts Inserted into Uncompressed Video Sequences”,
    SPIE, Human Vision and Electronic Imaging V, vol. 3959, pp. 99-110, San Jose, CA, Jan. 2000.
    [abstract] [PDF] [BibTex]
    Abstract preview: Many approaches have been proposed recently for estimating the perceived fidelity of digitally compressed and reconstructed video clips. Several metrics rely on the accurate estimation of detection ... more
  16. Tian-Hu Yu, Zhihai He, and S. K. Mitra,
    “A Simple and efficient wavelet image compression”,
    IEEE Transaction on Circuits and Systems on Video Technology, Jan. 2000.
    [abstract] [BibTex]
  17. B.S. Manjunath, D. Forsyth, Y. Deng, W.Y. Ma, C. Carlson, S. Loffe, S.J. Belongie and J. Malik,
    “Image Retrieval in Digital Libraries”,
    Multimedia Systems, Standards, and Networks, A. Puri and T. Chen (editors), Marcel Dekker Inc, New York, 2000.
    [abstract] [BibTex]

1999

  1. L. Lucchese, S. K. Mitra,
    “Advances in color image segmentation”,
    Seamless Interconnection for Universal Services. Global Telecommunications Conference. GLOBECOM'99, vol. 4, no. 6, pp. 2038-44, Rio de Janeireo, Brazil, Dec. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: Segmentation is the low-level operation in image processing which partiotions an image into disjoint and homogeneous regions. In this paper, we consider segmentation of color images, a task which pla ... more
  2. J. J. Chae and B. S. Manjunath,
    “Data hiding in Video”,
    6th IEEE International Conference on Image Processing (ICIP'99), vol. 1, pp. 311-315 , Kobe, Japan, Oct. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: We propose a video data embedding scheme in which the embedded signature data is reconstructed without knowing the original host video. The proposed method enables high rate of data embedding and is r ... more
  3. L. Lucchese and S. K. Mitra,
    “Unsupervised low frequency driven segmentation of color images”,
    IEEE International Conference on Image Processing, vol. 3, pp. 240-244, Kobe, Japan, Oct. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: This paper presents an algorithm for unsupervised segmentation of color images. The main idea behind it is the use of the low-frequency content of images which allows for smoothing of segments and sha ... more
  4. R. Gandhi and S. K. Mitra,
    “Optimal quantization in non-orthogonal subband coders”,
    Asilomar Conference on Circuits, Systems, and Computers, pp. 1188-1192, Pacific Grove, CA, Oct. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: It is well known that mean square error(MSE) is not preserved under non-orthogonal transformations. This poses a significant challenge to quantize the subband signals in coders that involve non-ortho ... more
  5. R. Gandhi, S. K. Mitra,
    “An efficient top-down approach for the design of tree-structured orthonormal filter banks”,
    Asilomar Conference on Circuits, Systems, and Computers, pp. 1627-1631, Pacific Grove, CA, USA, Oct. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: Wavelet and tree-structured filter bank based coding schemes find application in a number of image coding algorithms. The efficiency of such coding schemes can be enhanced further by adapting the par ... more
  6. R. Gandhi and S. K. Mitra,
    “Design of optimal orthogonal tree-structured filter banks”,
    Midwest Symposium on Circuits & Systems , pp. 1057-1060, Las Cruces, NM, Aug. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: A number of techniques have been proposed for the design of tree-structured filter banks matched to the statistics of the input signal. Amongst all of the porposed techniques, a top-down design appr ... more
  7. S.Hatipoglu, S.K.Mitra and N. Kingsbury,
    “Texture classification using dual-tree complex wavelet transform”,
    Seventh International Conference on Image Processing and Its Applications, vol. 1, no. 2, pp. 344-7, Manchester, UK, Jul. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: A new texture feature extraction method utilizing dual tree complex wavelet transform (DT-CWT) is introduced. The complex wavelet. transform is a recently developed tool that uses a dual tree of wavel ... more
  8. Debargha Mukherjee, and Sanjit K. Mitra,
    “On the robustness of vector set partitioning image coders to channel errors”,
    IEEE International Symposium on Circuits and Systems, Orlando, Florida, Jun. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: A vector enhancement of Said and Pearlman's Set Partitioning in Hierarchical Trees (SPIHT) methodology, named VSPIHT, has recently been proposed for embedded wavelet image compression. A major ad ... more
  9. J. Winkeler, B. S. Manjunath and S.Chandrasekaran,
    “Subset selection for active object recognition”,
    IEEE Computer Society Conference on Computer Vision and Pattern Recognition, vol. 2, pp. 511-516, Fort Collins, CO, USA, Jun. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: This paper presents an algorithm for constructing object representations suitable for recognition. The system automatically selects a representative subset of the views of the object while constructin ... more
  10. L. Lucchese and S. K. Mitra,
    “Unsupervised segmentation of color images based on k-means clustering in the chromaticity plane”,
    IEEE Workshop on Content-based Access of Image and Video Libraries (CBAIVL'99), pp. 74-78, Fort Collins, CO, Jun. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: In this work, we present an original technique for unsupervised segmentation of color images which is based on an extension, for an use in the u' v' chromaticity diagram, of the well-known ... more
  11. Michael S. Moore, Moncef Gabbouj, and Sanjit K. Mitra,
    “Vector SD-ROM Filter for Removal of Impulse Noise from Color Images”,
    EURASIP: DSP for Multimedia Communications and Services (ECMCS), Krakow, Poland, Jun. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: One well-studied image processing task is the remova l of impulse noise from images. Impulse noise can be introduced during image capture, during transmission, or during storage. The signal-dependent ... more
  12. P. Wu, B. S. Manjunath, S.D. Newsam and H.D.Shin,
    “A Texture Descriptor for Image Retrieval and Browsing”,
    IEEE Workshop on Content Based Access to Image and Video Libraries, pp. 3-7, Fort Collins, CO, USA, Jun. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: Image texture is an important visual primitive in image search and retrieval applications. To characterize texture information of images, a texture descriptor is proposed to capture both the perceptua ... more
  13. Y. Deng, S.Kenney, M.S.Moore and B. S.Manjunath,
    “Peer group filtering and perceptual color image quantization”,
    IEEE International Symposium on Circuits and Systems VLSI (ISCAS'99), vol. 4, pp. 21-24, Orlando, FL, Jun. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: In the first part of this work, peer group filtering(PGF), a nonlinear algorithm for image smoothing and impulse noise removal in color images is presented. The algorithm replaces each image pixel wi ... more
  14. Y. Deng, B. S.Manjunath and H.Shin,
    “Color image segmentation”,
    IEEE Computer Society Conference on Computer Vision and Pattern Recognition CVPR'99, vol. 2, pp. 446-51, Fort Collins, CO, Jun. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: In this work, a new approach to fully automatic color image segmentation, called JSEG, is presented. First, col-ors in the image are quantized to several representing classes that can be used to diffe ... more
  15. W. Y. Ma and B. S. Manjunath,
    “NeTra: a toolbox for navigating large image databases”,
    Multimedia Systems, vol. 7, no. 3, pp. 184-198, Springer-Verlag, Berlin, Germany, May. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: We present here an implementation of NeTra, a prototype image retrieval system that uses color, texture, shape and spatial location information in segmented image regions to search and retrieve simila ... more
  16. L. Fonseca, G.A. Hewer, C.S. Kenney and B.S. Manjunath,
    “Registration and Fusion of Multispectral Images Using a New Control Point Assessment Method Derived from Optical Flow Ideas”,
    SPIE Algorithms for Multispectral and Hyperspectral Imagery-V, vol. 3717, pp. 104-111, Orlando, FL, Apr. 1999.
    [abstract] [BibTex]
  17. Debargha Mukherjee, and Sanjit K. Mitra,
    “Generalized variable dimensional set partitioning for embedded wavelet image compression”,
    IEEE International Conference on Acoustics, Speech, and Signal Processing, Phoenix, Arizona, Mar. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: vector enhancement of Said and Pearlman's Set Partitioning in Hierarchical Trees (SPIHT) methodology, named VSPIHT, has recently been proposed for embedded wavelet image compression. While the VS ... more
  18. Y. Deng and B. S.Manjunath,
    “An efficient low-dimensional color indexing scheme for region based image retrieval”,
    IEEE Intl. Conference on Acoustics, Speech and Signal Processing (ICASSP-99), vol. 6, pp. 3017-3020, Phoenix, Arizona, Mar. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: In this work, an efficient low-dimensional color indexing scheme for region-based image retrieval is presented. The colors in each image region are first quantized so that only a small number of clust ... more
  19. G. M. Haley and B. S. Manjunath,
    “Rotation-invariant texture classification using a complete space-frequency model”,
    IEEE Transactions on Image Processing, vol. 8, no. 2, pp. 255-269, Feb. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: A method of rotation-invariant texture classification based on a complete space-frequency model is introduced. A polar, analytic form of a two-dimensional (2-D) Gabor wavelet is developed, and a multi ... more
  20. J. J. Chae and B. S. Manjunath,
    “A technique for image data hiding and reconstruction without host image”,
    SPIE Security and Watermarking of Multimedia Contents, vol. 3657, pp. 386-96, San Jose, CA, USA, Jan. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: A new technique for embedding image data that can be recovered in the absence of the original host image, is presented. The data to be embedded, referred to as the signature data, is inserted into t ... more
  21. Michael S. Moore and Sanjit K. Mitra,
    “Performance Analysis of the Two-State Signal-Dependent Rank Order Mean Filter”,
    SPIE Nonlinear Image Processing X, vol. 3646, pp. 56-66, San Jose, CA, Jan. 1999.
    [abstract] [PDF] [BibTex]
    Abstract preview: One well-studied image processing task is the removal of impulse noise from images. Impulse noise can be introduced during image capture, during transmission, or during storage. The signal-dependent ... more
  22. B. S. Manjunath, G. M. Haley and W. Y. Ma,
    “Multiband Techniques for Texture Classification and Segmentation”,
    Handbook of Image and Video Processing, Al Bovik (editor), Academic Press , 1999.
    [abstract] [BibTex]
  23. B. S. Manjunath and R. Chellappa,
    “Image Texture”,
    Encyclopedia of Electrical and Electronics Engineering, J. G. Webster (editor), John Wiley & Sons, 1999.
    [abstract] [BibTex]

1998

  1. D. Mukherjee and Sanjit K. Mitra,
    “Arithmetic coded vector set-partitioning with classified tree-multistage VQ for color image coding”,
    IEEE Workshop on Multimedia Signal Processing, pp. 444-49, Redondo Beach, California, Dec. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: A vector extension of the Set Partitioning in Hierarchical Trees (SPIHT) algorithm, named vector-SPIHT (VSPIHT), using trained classified successive refinement VQ, has recently been proposed. In this ... more
  2. R. Gandhi and S. K. Mitra,
    “Design of two-channel low delay perfect reconstruction filter banks”,
    Asilomar Conference on Signals, Systems and Computers, pp. 1655-1699, Pacific Grove, CA, Nov. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: We develop a new approach for the design of two-channel perfect reconstruction (PR) filter banks that yield low system delay. The proposed design procedure is based on the ideaa of starting with triv ... more
  3. Y. Deng and B. S. Manjunath,
    “Spatio-temporal relationships and video object extraction”,
    32nd Asilomar Conference on Signals, Systems and Computers, vol. 1, pp. 895-899, Pacific Grove, CA, Nov. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: An object-based representation for video data can facilitate video search and content analysis. Detecting physical meaningful video object is a challenging open issue, and requires intelligent spatio ... more
  4. Debargha Mukherjee and Sanjit K. Mitra,
    “Vector set-partitioning with successive refinement Voronoi lattice VQ for embedded wavelet image coding”,
    IEEE International Conference on Image Processing, vol. 1, pp. 107-11, Chicago, Illinois, Oct. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: While lattice vector quantization (LVQ) can solve the complexity problem of LBG based vector quantizers, and also yield very general codebooks, a single stage lattice VQ, when applied to high variance ... more
  5. J. J. Chae, D. Mukherjee and B. S. Manjunath,
    “Color image embedding using multidimensional lattice structures”,
    IEEE Intl. Conference on Image Processing (ICIP'98), vol. 1, pp. 460-464, Chicago, IL, Oct. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: This paper describes a robust data embedding scheme which uses noise resilient channel codes based on multidimensional lattice structures. Compared to prior work in digital watermarking, the propose ... more
  6. N. Strobel, S. K. Mitra and B. S. Manjunath,
    “Reversible wavelet and spectral transforms for lossless compression of color images”,
    IEEE Intl. Conference on Image Processing (ICIP'98), vol. 3, pp. 896-900, Chicago, IL, Oct. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: A new lossless image compression method for progressive-resolution transmission of color images is proposed. It is based on spatial and spectral transforms. Reversible wavelet transforms are performed ... more
  7. G. A. Hewer, C. Kenney and B. S.Manjunath,
    “Variational image segmentation using boundary functions”,
    IEEE Transactions on Image Processing, vol. 7, no. 9, pp. 1269-1282, Sep. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: A general variational framework for image approximation and segmentation is introduced. By using a continuous "line-process" to represent edge boundaries, it is possible to formulate a varia ... more
  8. R. Gandhi and S. K. Mitra,
    “A new approach to the design of two-channel perfect reconstruction filter banks”,
    5th IEEE International Conference on Electronics, Circuits, and Systems, pp. 405-408, Lisbon, Portugal, Sep. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: In this paper, we propose a new technique for the design of two-channel perfect reconstruction filter banks (PRFBs). The proposed design approach is generic, and can be applied to the design of both ... more
  9. Y. Deng and B. S. Manjunath,
    “Netra-V: toward an object-based video representation”,
    IEEE Transactions on Circuits and Systems for Video Technology (Special issue on Emerging Interactive Multimedia Services), vol. 8, no. 5, pp. 616-27, Sep. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: We present here a prototype video analysis and retrieval system, called NeTra-V, that is being developed to build an object-based video representation for functionalities such as search and retrieval ... more
  10. J. F. Winkeler and B. S. Manjunath,
    “Incremental Evolution in Genetic Programming”,
    Third Annual Conference on Genetic Programming, pp. 403-411, Jul. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: This paper presents a study of different methods of using incremental evolution with genetic programming. Incremental evolution begins with a population already trained for a simpler but related task. ... more
  11. B. S. Manjunath and Y. Deng,
    “Issue for image/video digital libraries”,
    IEEE International Symposium on Circuits and Systems (ISCAS'98), vol. 3, pp. 595-598, Monterey, CA, Jun. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: Creation of digital iamge and video libraries poses several interesting and challenging problems. New tools are needed for managing such as multimedia content. These include methods to search, retriev ... more
  12. C. Chandra, M. S. Moore and S. K. Mitra,
    “An Efficient Method for the Removal of Impulse Noise from Speech and Audio Signals”,
    IEEE International Symposium on Circuits and Systems (ISCAS), vol. 4, pp. 206-208, Monterey, CA, Jun. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: A computationally efficient algorithm is proposed to remove noise impulses from speech and audio signals while retaining its features and tonal quality. The proposed method is based on the SD-ROM(Sig ... more
  13. Debargha Mukherjee and Sanjit K. Mitra,
    “Vector set partitioning with classified successive refinement VQ for embedded wavelet image coding”,
    IEEE International Symposium on Circuits and Systems, vol. 4, pp. 25-28, Monterey, California, Jun. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: Set Partitioning in Hierarchical Trees (SPIHT), proposed by Said and Pearlman 1, is generally regarded as a very efficient wavelet-based still image compression scheme. The algorithm uses an efficient ... more
  14. R. Gandhi and S. K. Mitra,
    “A computationally efficient design of two-band QMF banks based on the frequency-sampling approach”,
    IEEE International Symposium on Circuits and Systems (ISCAS'98), pp. 421-424, Monterey, CA, Jun. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: Two new methods for computationally efficient design of two-channel quadrature mirror filter(QMF) banks based on the frequency sampling approach are introduced. In the proposed approach, the number of ... more
  15. Wei-Ying Ma and B. S. Manjunath,
    “A texture thesaurus for browsing large aerial photographs”,
    Journal of the American Society for Information Science, vol. 49, no. 7, pp. 633-48, Wiley for ASIS, May. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: A texture-based image retrieval system for browsing large-scale aerial photographs is presented. The salient components of this system include texture feature extraction, image segmentation and grou ... more
  16. B. S. Manjunath,
    “Image processing in the Alexandria Digital Library project”,
    IEEE Conference on Advances in Digital Libraries (ADL'98), pp. 180-187, Santa Barbara, CA, Apr. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: The management of images, video, and in general, multi- media data, is an improtant issue in the design of digital libraries. In particular, the following problems stand out: efficient storage, fast r ... more
  17. J. J. Chae, D. Mukherjee and B. S. Manjunath,
    “A Robust data hiding technique using multidimensional lattices”,
    IEEE Conference on Advances in Digital Libraries (ADL'98), pp. 319-326, Santa Barbara, CA, Apr. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: We describe a data hiding technique which uses noise resilient channel codes based on multidimensional lattices. A trade-off between the quantity of hidden data and the quality of the watermarked imag ... more
  18. J.J. Chae and B. S. Manjunath,
    “A Robust Embedded Data from Wavelet Coefficients”,
    SPIE: Storage and Retrieval for Image and Video Databases VI, vol. 3312, pp. 308-317, San Jose, CA, Jan. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: An approach to embedding gray scale images using a discrete wavelet transform is proposed. The proposed scheme enables using signature images that could be as much as 25% of the host image data and ... more
  19. Y. Deng, D. Mukherjee and B. S. Manjunath,
    “Netra-V: Towards an object based video representation”,
    SPIE: Storage and Retrieval for Image and Video Databases, vol. 3312, pp. 202-213, San Jose, CA, Jan. 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: We present here a prototype video analysis and retrieval system, called NeTra-V, that is being developed to build an object-based video representation for functionalities such as search and retrieval ... more
  20. D. Mukherjee, Y. Deng and S. K. Mitra,
    “A region-based video coder using edge flow segmentation and hierarchical affine region matching”,
    SPIE Visual Communications and Image Processing, vol. 3309, pp. 338-49, 1998.
    [abstract] [PDF] [BibTex]
    Abstract preview: The essential motivations, towards an object-based approach to video coding, include possible object-based interactivity and functionality, and the elimination of blocking or mosquito artifacts that ... more

1997

  1. L. M. G. Fonseca, M. H. M. Costa, B. S. Manjunath and C. Kenney,
    “Automatic registration of satellite imagery”,
    NASA Image Registration Workshop, pp. 13-27, Greenbelt, MD, Nov. 1997.
    [abstract] [BibTex]
  2. M. Beatty and B. S. Manjunath,
    “Dimensionality reduction using multidimensional scaling for image search”,
    IEEE International Conference on Image Processing, vol. 2, pp. 835-838, Santa Barbara, California, Oct. 1997.
    [abstract] [PDF] [BibTex]
    Abstract preview: There has been much interest recently in image content based retrieval, with applications to digital libraries and image database accessing. One approach to this problem is to base retrieval from the ... more
  3. N. Strobel, S. K. Mitra and B. S. Manjunath,
    “Model-based detection and correction of corrupted wavelet coefficients”,
    IEEE International Conference on Image Processing, vol. 1, pp. 925-928, Santa Barbara, CA, USA, Oct. 1997.
    [abstract] [PDF] [BibTex]
    Abstract preview: Image decomposition based on the discrete wavelet transform(DWT) has been proposed for efficient storage and progressive transmission of images for visual browsing in digital image libraries. Although ... more
  4. Reinhard Bernstein, Michael S. Moore and Sanjit K. Mitra,
    “Adjustable Quadratic Filters for Image Enhancement”,
    IEEE International Conference on Image Processing (ICIP), vol. 1, pp. 287-290, Santa Barbara, CA, Oct. 1997.
    [abstract] [PDF] [BibTex]
    Abstract preview: We propose a new class of mapping-based nonlinear quadratic Volterra filters for image enhancement. The input signal is mapped prior to filtering by a emoryless one-to-one nonlinear mapping function. ... more
  5. Y. Deng and B. S. Manjunath,
    “Content-based search of video using color texture and motion”,
    IEEE International Conference on Image Processing, vol. 2, pp. 534-537, Santa Barbara, California, Oct. 1997.
    [abstract] [PDF] [BibTex]
    Abstract preview: We present an implementation of a system for content- based search and retrieval of video based on low-level vision features. Currently the system consists of three parts, automatic video partition, f ... more
  6. Michael S. Moore, Reinhard Bernstein and Sanjit K. Mitra,
    “A Generalization of the Teager Algorithm”,
    IEEE Workshop on Nonlinear Signal Processing (NSIP), Michigan, Sep. 1997.
    [abstract] [PDF] [BibTex]
    Abstract preview: The 1-D Teager algorithm can be used to perform mean weighted highpass filtering with relatively few operations. We propose a generalization of the Teager algorithm. The modified algorithm allows us t ... more
  7. S. Chandrasekaran, B. S.Manjunath, Y.F.Wang, J.Winkeler and H.Zhang,
    “An eigenspace update algorithm for image analysis”,
    Graphical Models and Image Processing, vol. 59, no. 5, pp. 321-332, Academic Press, Sep. 1997.
    [abstract] [PDF] [BibTex]
    Abstract preview: During the past few years several interesting applications of eigenspace representation of images have been proposed. These include face recognition, video coding, and pose estimation. However, the ... more

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