Open ericras opened 7 years ago
Adept uses a MSS saliency algorithm binary, ImageMagick, MozJPEG and JPEGrescan to adaptively alter compression levels by comparing homogenous and heterogenous areas of the image. cjpeg-dssim is another potential workflow tool to calculate dissimilarity between input and output images.
ImageMagick for Drupal 8 is located here: https://www.drupal.org/project/imagemagick. Unfortunately, I've yet to find any modules already built for any of the above tools.
Switch image toolkit from GD to ImageMagick is completed
Changing issue title to reflect looking into imagemagick extensions.
Putting this WebP module here for reference even though we've switched from GD to ImageMagick: https://www.drupal.org/project/webp
ImageMagick supports conversion to WebP format: https://www.imagemagick.org/script/webp.php
Efficient Image Resizing With ImageMagick that includes info about a composer package called php-respimg.
Adding Google's butteraugli and Cloudinary's SSIMULACRA for consideration.
"The problem is that GD simply doesn't support EXIF"
http://www.nodenerd.com/keep-exif-data-drupal-using-imagemagick-instead-gd