Research Article
Lossless and Low-Power Image Compressor for Wireless Capsule Endoscopy
Table 4
Comparison between proposed (mode-1) and standard JPEG-LS algorithm.
| | Proposed algorithm | JPEG-LS |
| Color plane | YUV | RGB | Prediction | Static | Dynamic (based on edge detection) | Buffer memory requirement | 0 | memory to store one row of image pixel + 1.9âKB for context register | -parameter | Fixed | Dynamically calculated based on context array | Coding | Golomb-rice and Unary | Golomb-rice | Run mode | No (as long runs are rare in WCE images) | Yes | Avg. CR for WCE Image | 67.0% (without clip) | 57.9% (without clip) | 73.2% (with clip) | â |
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