FlatCV

Grayscale Conversion

Convert color images to grayscale using the luminosity method, which weighs RGB channels based on human perception of brightness.

Basic Grayscale

Input	Output

$ ./flatcv imgs/parrot.jpeg grayscale imgs/parrot_grayscale.jpeg
Loaded image: 512x384 with 3 channels
Executing pipeline with 1 operations:
Applying operation: grayscale
  → Completed in \d+.\d+ ms \(output: 512x384\) (regex)
Final output dimensions: 512x384
Successfully saved processed image to 'imgs/parrot_grayscale.jpeg'

$ git diff --quiet imgs/parrot_grayscale.jpeg