Function decodePng

tfjs-node/src/image.ts:86–95

(
    contents: Uint8Array, channels = 0, dtype = 'int32')

 * @doc {heading: 'Operations', subheading: 'Images', namespace: 'node'}
 */
export function decodePng(
    contents: Uint8Array, channels = 0, dtype = 'int32'): Tensor3D {
  util.assert(
      dtype === 'int32',
      () => 'decodeImage could only return Tensor of type `int32` for now.');
  ensureTensorflowBackend();
  return tidy(() => {
    return nodeBackend().decodePng(contents, channels).toInt();
  });
}

/**
 * Decode the first frame of a BMP-encoded image to a 3D Tensor of dtype