Search found 1 match
- 2017-12-29T01:15:51-07:00
- Forum: Users
- Topic: Losslessly remove chrominance channels iff JPEG is grayscale
- Replies: 1
- Views: 1686
Losslessly remove chrominance channels iff JPEG is grayscale
Is there a way of losslessly reducing a JPEG image's bit-depth to 8 if it's already in grayscale? magick convert image image losslessly chooses the appropriate bit-depth for a grayscale PNG but results in recompression for JPEG. I'm currently using jpegtran -grayscale -outfile tmpImage and checking ...