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JPEG 2000, the new ISO/ITU-T standard for still image coding, is about to be finished. Other new standards have been recently introduced, namely JPEG-LS and MPEG-4 VTC. This paper puts into perspective the performance of these by evaluating JPEG 2000 versus JPEG-LS and MPEG-4 VTC, as well as the older but widely used JPEG. The study concentrates on compression efficiency, although complexity and set...
Contrast sensitivity is an important characteristic of the human visual system (HVS), which is widely used in image and video signal processing. For visual quality assessment, static spatio-temporal frequency based contrast sensitivity function (CSF) is often used, while the contrast sensitivity can also be affected by smooth pursuit of eyes when tracking attentive regions in the field of view. This...
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