| Fast image indexing based on JPEG2000 packet header |
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International Multimedia Conference
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Proceedings of the 2001 ACM workshops on Multimedia: multimedia information retrieval
table of contents
Ottawa, Ontario, Canada
Session: Image Retrieval II
table of contents
Pages: 46 - 49
Year of Publication: 2001
ISBN:1-58113-395-2
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Downloads (6 Weeks): 3, Downloads (12 Months): 30, Citation Count: 3
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ABSTRACT
The application of images and video has increased significantly in recent years. It is crucial to develop indexing techniques for searching images and video on their content. Due to the lower computational complexity, compressed domain indexing techniques are becoming popular. Among the compression techniques, discrete-wavelet-transform based techiques have become popular because of their excellent energy compaction and multi-resolution capability, and has been adopted in the JPEDG2000 image compression standard. In this paper, an efficient indexing scheme in the JPEG2000 framework is proposed. Here, the information on the numbers of bit-planes in code-blocks is directly extracted from the packet header of a JPEG2000 compressed image without decompressing the bitstream. A vector comprising variance and mean of a few selected bit-planes of the code-blocks is used as the image index. Image retrieval is performed by matching the index of the query and candidate images from the database. Experimental results show that the proposed scheme provides a good indexing performance.
REFERENCES
Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.
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