Learn how to select regions of an image at ProHits-viz (prohits-viz.org). Selections can be used to customize an image, i.e. restrict the visible rows and columns to those selected, or for analysis.
A sample image for experimenting with can be found here: https://prohits-viz.org/visualization...
Help documentation for the interactive viewer for these image types can be found here: https://prohits-viz.org/help/visualiz...