Comparison on accuracy of image matching between lossy JPEG compression and lossy JPEG 2000 compression

Ryuji Matsuoka; Mitsuo Sone; Noboru Sudo; Hideyo Yokotsuka; Naoki Shirai

doi:10.1117/12.2028483

17 October 2013 Comparison on accuracy of image matching between lossy JPEG compression and lossy JPEG 2000 compression

Ryuji Matsuoka, Mitsuo Sone, Noboru Sudo, Hideyo Yokotsuka, Naoki Shirai

Proceedings Volume 8892, Image and Signal Processing for Remote Sensing XIX; 88921I (2013) https://doi.org/10.1117/12.2028483
Event: SPIE Remote Sensing, 2013, Dresden, Germany

Abstract

This paper reports an experiment conducted in order to compare lossy JPEG compression and lossy JPEG 2000 compression on the accuracy of image matching. The experiment has been conducted by using 54 color images of diverse textures and diverse tones of color on the assumption that image matching utilizes a pair of images reconstructed from image data which are lossily compressed in an ordinary digital camera. Lossy JPEG compression has been executed with a set of compression parameters utilized in a digital camera Canon EOS 20D, while lossy JPEG 2000 compression has been executed in the way as the file size of a piece of JPEG 2000 compressed image data is the same file size of the corresponding JPEG compressed image data. Moreover, we have prepared another set of JPEG and JPEG 2000 compressed image data which are lossily compressed with the compression ratio expected for an ordinary color image when it is compressed in the EOS 20D. When the file size of a piece of JPEG 2000 compressed image data is the same as that of a piece of JPEG compressed image data, the experiment results clearly show that the compression performance of JPEG 2000 compression would be superior to that of JPEG compression on image quality as to pixel value in RGB color space. On the contrary, the results do not necessarily indicate that JPEG 2000 compression would be able to provide more accurate matching results than JPEG compression.

Citation Download Citation

Ryuji Matsuoka, Mitsuo Sone, Noboru Sudo, Hideyo Yokotsuka, and Naoki Shirai "Comparison on accuracy of image matching between lossy JPEG compression and lossy JPEG 2000 compression", Proc. SPIE 8892, Image and Signal Processing for Remote Sensing XIX, 88921I (17 October 2013); https://doi.org/10.1117/12.2028483

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KEYWORDS

Image compression

Image quality

Digital imaging

RGB color model

Spatial frequencies

Digital cameras

Quality measurement

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