https://www.imatest.com/
Imatest | Image Quality Testing Software & Test Charts
image qualitytesting softwareimatestcharts
https://pdfium.googlesource.com/pdfium/+/33ece3a423882159e695f021c7c722f8b3d16dfa/testing/image_diff?autodive=0%2F%2F
testing/image_diff - pdfium - Git at Google
testingimagediffpdfiumgit
https://gptimg2ai.com/blogs/gpt-image-2-prompt-guide
GPT Image 2 Prompt Guide: Examples, Testing and How to Use
Practical GPT Image 2 prompt guide: proven techniques for lighting, materials, text rendering, and precise editing to create consistent professional results.
gpt imageprompt guideand how