Function encodeJpeg

tfjs-node/src/image.ts:220–233

(
    image: Tensor3D, format: ''|'grayscale'|'rgb' = '', quality = 95,
    progressive = false, optimizeSize = false, chromaDownsampling = true,
    densityUnit: 'in'|'cm' = 'in', xDensity = 300, yDensity = 300,
    xmpMetadata = '')

 * @doc {heading: 'Operations', subheading: 'Images', namespace: 'node'}
 */
export async function encodeJpeg(
    image: Tensor3D, format: ''|'grayscale'|'rgb' = '', quality = 95,
    progressive = false, optimizeSize = false, chromaDownsampling = true,
    densityUnit: 'in'|'cm' = 'in', xDensity = 300, yDensity = 300,
    xmpMetadata = ''): Promise<Uint8Array> {
  ensureTensorflowBackend();

  const backendEncodeImage = (imageData: Uint8Array) =>
      nodeBackend().encodeJpeg(
          imageData, image.shape, format, quality, progressive, optimizeSize,
          chromaDownsampling, densityUnit, xDensity, yDensity, xmpMetadata);

  return encodeImage(image, backendEncodeImage);
}

/**
 * Encodes an image tensor to PNG.