Expand description
Utility functions for visual cryptography
Functionsยง
- apply_halftone 
- Apply halftone to an image
- apply_pattern_ to_ block 
- Apply a pattern to a block of pixels
- calculate_contrast 
- Calculate the contrast between two regions
- combine_rgb_ channels 
- Combine RGB channels into a color image
- convert_to_ binary 
- Convert an image to binary (black and white)
- create_noise_ image 
- Create a random noise image
- expand_pixel 
- Expand a pixel into a block
- extract_channel 
- Extract a color channel from an RGB image
- resize_to_ match 
- Resize an image to match target dimensions