As when loading an image, to get the coefficient (level) of contrast blur, histogram, gamma. Is it possible to do this by php , js ? What libraries can I use?
php
js
imagemagick
EXIF data can be read on the client.
https://github.com/exif-js/exif-js
https://github.com/mattiasw/ExifReader
http://code.flickr.net/2012/06/01/parsing-exif-client-side-using-javascript-2/
Source: https://ru.stackoverflow.com/questions/488620/More articles:Display: inline-block + float + resize. How it works?Hibernate entity binding on a specific field.Browser selection and cookie interceptionTransition from procedural programming style to OOPIt is periodically impossible to connect from the externalGenerate UML Activity / Sequence Diagram from Java codemake a glass surfaceHow in the new C ++ 11 the list of objects stored in std :: list is returned?Network configuration for Parallels Desktop for dynamic virus analysisHow to open a site in JavaFX WebView, requesting * .pfx certificate?All Articles
imagemagicktag - this is a good solution. - Sergiks