image-measurement

Including image smoothing, image enhancement, image edge detection, image thresholding, image refinement, area measuring, area boundary extraction and perimeter calculation.

Interactive Distance Measurement on Images

面向微系统的图像测试技术

EyeChroma is a Python tool that demonstrates the fascinating "color contrast illusion" - a perceptual phenomenon where a neutral gray eye appears to have a different color (typically blue-green) when surrounded by a red overlay.

An API that receives image files as base64 encoded string, decodes it and measures the size of objects in the images based on a reference object width passed with the post request.

The Müller-Lyer illusion is a famous optical illusion in which two lines of equal length appear to be different lengths due to the orientation of arrow-like figures at their ends.

Turn pixels into millimetres in React Native and Expo using a coin or sticker of known size in the same photo. Always an estimate, with the reason when a photo cannot be measured.

Portable image measurement in native C. Calibrate scans, measure real distances, and record Python macros for batch workflows.