kanata

A modern library for image processing on web with pure typescript.

Note: This library is not completed, but some operations are already done.

Demo

You can check the live demo here.

Install

npm install kanata

Usage

// new image
const image = new kanata.ImageCore();
// load image
image.fromURL / image.fromElement / image.fromBuffer...;
// apply operations
kanata.grayscale()(image);
// or
image.apply(kanata.grayscale());
// or
image.pipe(kanata.grayscale()).pipe(kanata.colorInvert());
image.exec();

Completed

Core

1. ImageCore

Point operations

1. grayscale
2. bitsCut
3. ColorInvert
4. colorSpaceConvert
5. contrastStretch
6. gammaTransform
7. globalThreshold
8. grayLayered
9. linearTransform
10. logTransform
11. mask

Geometry operations

1. affineTransform
2. crop
3. flip
4. rotate
5. scale
6. skew
7. translate

Local filters

1. convolutionFilter
2. meanFilter
3. rankFilter
4. localThreshold
5. morphologicalFilter

Histogram

Utils

1. changeRegion
2. clone

Features

1. Documents
2. Unit tests.
3. Benchmarks.
4. A faster version with webassembly.