4 replaced http://photo.stackexchange.com/ with https://photo.stackexchange.com/
source | link

For example, for a recent conversation about JPEG compressionconversation about JPEG compression I wanted to compare pixel for pixel what changed between two JPEGs (one with compression level 100, and one with compression level 95).

How do I generate good visual maps of what changed without tedious custom software programing?

For example, for a recent conversation about JPEG compression I wanted to compare pixel for pixel what changed between two JPEGs (one with compression level 100, and one with compression level 95).

How do I generate good visual maps of what changed without tedious custom software programing?

For example, for a recent conversation about JPEG compression I wanted to compare pixel for pixel what changed between two JPEGs (one with compression level 100, and one with compression level 95).

How do I generate good visual maps of what changed without tedious custom software programing?

3 added approriate tag
| link
2 http://meta.photo.stackexchange.com/questions/1691/zap-meta-tag-comparison (For this one, made up a new more-specific tag)
| link
    Tweeted twitter.com/#!/StackPhotos/status/66468528198402048
1
source | link