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How to use the opencv4nodejs-prebuilt.CV_8UC3 function in opencv4nodejs-prebuilt

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nut-tree / nut.js / lib / provider / opencv / image-processor.class.ts View on Github

public static async fromImageWithoutAlphaChannel(
    img: Image,
    roi?: Region,
  ): Promise {
    const mat = new cv.Mat(img.data, img.height, img.width, cv.CV_8UC3);
    if (roi) {
      return mat.getRegion(determineROI(img, roi));
    } else {
      return mat;
    }
  }
}