A JavaScript JPEG Lossless decoder.
npm install jpeg-lossless-decoder-jsJPEGLosslessDecoderJS
=====
A common DICOM compression format is JPEG Lossless. This format is generally not supported in standard JPEG decoder libraries.
This decoder can read data from the following DICOM transfer syntaxes:
- 1.2.840.10008.1.2.4.57 JPEG Lossless, Nonhierarchical (Processes 14)
- 1.2.840.10008.1.2.4.70 JPEG Lossless, Nonhierarchical (Processes 14 [Selection 1])
``javascript
var decoder = new jpeg.lossless.Decoder();
var output = decoder.decompress(buffer [, offset [, length]]);
// Parameters
// {ArrayBuffer} buffer
// {Number} offset offset into buffer (default = 0)
// {Number} length length of buffer (default = end of JPEG block)
// Returns
// {ArrayBuffer} output (size = cols rows bytesPerComponent * numComponents)
`
* lossless.js
* lossless-min.js
Or install via NPM:
``
npm install jpeg-lossless-decoder-js
npm test
`$3
`
npm run build
`
This will output lossless.js and lossless-min.js alongside declaration files and source maps to /release`.Also thanks to @jens-ox for modernizing this package to TypeScript.