A novel efficient histogram extraction scheme for contents based image processing in DCT domain

Minyoung Eom, Yoonsik Choe

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Due to development of internet network environments and data compression techniques, the size and amount of multimedia data has greatly increased. They are compressed before transmission or storage. Dealing with these compressed data such as video retrieval or indexing requires decompression procedure most of the time. This causes additional computations and increases the processing time. In video retrieval and indexing a histogram is one of the most frequently used tools. Efficiency of extracting such histograms will drop down if decompression gets involved. We propose a novel scheme for extracting histograms from images that are transformed into the compressed domain by 8x8 DCT(Discrete Cosine Transform). In this scheme an averaged version of original image is obtained by a simple linear combination of DCT coefficients with the sets of coefficients we designed.

Original languageEnglish
Title of host publicationProceedings of the 4th IASTED International Conference on Signal Processing, Pattern Recognition, and Applications, SPPRA 2007
Pages164-168
Number of pages5
Publication statusPublished - 2007 Dec 1
Event4th IASTED International Conference on Signal Processing, Pattern Recognition, and Applications, SPPRA 2007 - Innsbruck, Austria
Duration: 2007 Feb 142007 Feb 16

Other

Other4th IASTED International Conference on Signal Processing, Pattern Recognition, and Applications, SPPRA 2007
CountryAustria
CityInnsbruck
Period07/2/1407/2/16

Fingerprint

Discrete cosine transforms
Image processing
Data compression
Internet
Processing

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Computer Vision and Pattern Recognition
  • Signal Processing

Cite this

Eom, M., & Choe, Y. (2007). A novel efficient histogram extraction scheme for contents based image processing in DCT domain. In Proceedings of the 4th IASTED International Conference on Signal Processing, Pattern Recognition, and Applications, SPPRA 2007 (pp. 164-168)
Eom, Minyoung ; Choe, Yoonsik. / A novel efficient histogram extraction scheme for contents based image processing in DCT domain. Proceedings of the 4th IASTED International Conference on Signal Processing, Pattern Recognition, and Applications, SPPRA 2007. 2007. pp. 164-168
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Eom, M & Choe, Y 2007, A novel efficient histogram extraction scheme for contents based image processing in DCT domain. in Proceedings of the 4th IASTED International Conference on Signal Processing, Pattern Recognition, and Applications, SPPRA 2007. pp. 164-168, 4th IASTED International Conference on Signal Processing, Pattern Recognition, and Applications, SPPRA 2007, Innsbruck, Austria, 07/2/14.

A novel efficient histogram extraction scheme for contents based image processing in DCT domain. / Eom, Minyoung; Choe, Yoonsik.

Proceedings of the 4th IASTED International Conference on Signal Processing, Pattern Recognition, and Applications, SPPRA 2007. 2007. p. 164-168.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Eom M, Choe Y. A novel efficient histogram extraction scheme for contents based image processing in DCT domain. In Proceedings of the 4th IASTED International Conference on Signal Processing, Pattern Recognition, and Applications, SPPRA 2007. 2007. p. 164-168