iPhone removal of hidden picsSometimes a glitch happens on the iPhone. Memory is full , photos, can be seen in settings -> genegal -> usage, but they do not exist in the application of any aytyunse.
The fact that a change in the pictures / PhotoData / Metadata / edited copy photos stored. And when you delete photos third-party programs , such as through windows explorer (Computer -> iPhone -> Internal Storage) copy is not automatically removed.
The iPhone turn off the program photos.
In the program iTools on your computer, navigate to the FileSystem and delete all the files (not directories, only files) on ways: