I am trying to compress some binary images i.e. images with bit depth equal to 1. For JPEG-XR encoder I used jxrlib but it is not able to compress the image. I am using specified format bmp. Even with some of the online compressors present I am not able to compress my bmp file to jxr. I have even tried with tiff files.
So because of this I have a double, does JPEG-XR does not support compression of binary images ? If so do I need to make some changes in my compression command. I am using the following command:
JXREncApp -i Image3_3.bmp -o output.jxr -c 1
For the reader's reference I am also attaching how to instructions needed to be given: JXREncApp [options]...
-i input.bmp/tif/hdr Input image file name bmp: <=8bpc, BGR tif: >=8bpc, RGB hdr: 24bppRGBE only -o output.jxr Output JPEG XR file name -q quality [0.0 - 1.0) Default = 1.0, lossless or quantization [1 - 255] Default = 1, lossless -c format Required to define uncompressed source pixel format 0: 24bppBGR 1: 1bppBlackWhite 2: 8bppGray 3: 16bppGray 4: 16bppGrayFixedPoint 5: 16bppGrayHalf 7: 32bppGrayFixedPoint 8: 32bppGrayFloat 9: 24bppRGB 10: 48bppRGB 11: 48bppRGBFixedPoint 12: 48bppRGBHalf 14: 96bppRGBFixedPoint 15: 128bppRGBFloat 16: 32bppRGBE 17: 32bppCMYK 18: 64bppCMYK 22: 32bppBGRA 23: 64bppRGBA 24: 64bppRGBAFixedPoint 25: 64bppRGBAHalf 27: 128bppRGBAFixedPoint 28: 128bppRGBAFloat 29: 16bppBGR555 30: 16bppBGR565 31: 32bppBGR101010 32: 40bppCMYKA 33: 80bppCMYKA 34: 32bppBGR -d chroma sub-sampling 0: Y-only 1: YCoCg 4:2:0 2: YCoCg 4:2:2 3: YCoCg 4:4:4 (default) (if not set is 4:4:4 for quality >= 0.5 or 4:2:0 for quality < 0.5) -l overlapping 0: No overlapping 1: One level overlapping (default) 2: Two level overlapping (if not set is One for quality > 0.4 or Two for quality <= 0.4) -f Turn off frequency order bit stream (to spatial) -p Turn off progressive mode (to sequential) -t Display timing information -v Display verbose encoder information -V tile_wd0 [tile_wd1 ... ] Macro block columns per tile -H tile_ht0 [tile_ht1 ... ] Macro block rows per tile -U num_v_tiles num_h_tiles Vertical & horizontal tile count for uniform tiling -b Black/White Applies to 1bpp black/white images 0: 0 = black (default) 1: 0 = white -a alpha channel format Required for any pixel format with an alpha channel 2: Planar alpha (default) 3: Interleaved alpha Other: Reserved, do not use -Q quantization for alpha [1 - 255] Default = 1, lossless -F trimmed flexbits [0 - 15] 0: no trimming (default) 15: trim all -s skip subbands 0: All subbands included (default) 1: Skip flexbits 2: Skip highpass 3: Skip highpass & lowpass (DC only)
Please do let me know what am I doing wrong here.