Comments (3)
Yes, that is also possible: just carefully retouch JPEGData
object after ReadJpeg
, but before BrunsliEncodeJpeg
. Later we will provide utility function that will do exactly that.
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There are 2 parts (modulo ICC profiles) that contain the complete information about image (pixels) - DCT coefficients and quantisation table. Everything else (Huffman tables, scan scheme, reset points) are details of encoding. So if we drop / replace those and serialise JPEG we will get different file, but same image.
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If this additional information is removed, will it be possible to convert this image data back to JPEG without losing quality? It is clear that the JPEG data will be encoded in some different way in this case, and the JPEG file won't be equal to the original JPEG, but it is OK until the image data is still the same.
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Related Issues (20)
- which type of ANS does brunsli use? HOT 3
- Is brunsli's ANS using static probability distributions? HOT 2
- Idea: https://brunsli.dev/split.html?progressive image resolution
- Add ratio to brunsli.dev
- brunsli.dev cannot decode JPEG compressed by recent cbrunsli.exe builds (CMake build 78 and newer) HOT 3
- [openSUSE] W: shared-lib-calls-exit from RPMLINT HOT 7
- core dumped when turn on Multithreading switch HOT 2
- File signature HOT 6
- CI: Add tests HOT 2
- HDR JPEG support? HOT 1
- Latest build? HOT 3
- Unable to finish the compress/decompress task when enables multithread mode on Android HOT 1
- Compiler is not EMSCRIPTEN HOT 1
- Add link to brunsli.dev in repository description and README HOT 2
- Arithmetic coded JPEG support HOT 2
- Brunsli cannot decode JPEG that was compressed in JPEG XL's reference software's unofficial build HOT 3
- Build with dyanmically loaded libraries
- What is the public API that should be exported? HOT 1
- Encoding is 10x slower with Safari HOT 2
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