Table 4: Comparison between proposed (mode-1) and standard JPEG-LS algorithm.

Proposed algorithmJPEG-LS

Color planeYUVRGB
PredictionStaticDynamic (based on edge detection)
Buffer memory requirement0memory to store one row of image pixel + 1.9 KB for context register
𝑘 -parameterFixedDynamically calculated based on context array
CodingGolomb-rice and UnaryGolomb-rice
Run modeNo (as long runs are rare in WCE images)Yes
Avg. CR for WCE Image67.0% (without clip)57.9% (without clip)
73.2% (with clip)