You can crop a video on your Mac computer using iMovie, with a few different cropping options. Here's how to do it.

Photoshop offers a wealth of tools for cropping images. You can crop to an aspect ratio, use content-aware fill and many other techniques.

Learn how to combine astrophotos of the same target, even if they are drastically different in exposure, scale, or filter.

Microsoft adds built-in picture cropping to OneNote for Windows, letting users trim images without leaving the app.

Abstract: For the security of multiple image regions of interest, this paper designs a multi-image visual encryption algorithm based on region of interest (ROI). Firstly, a new one-dimensional chaotic ...