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

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nut-tree / nut.js / lib / provider / opencv / match-image.function.ts View on Github

export async function matchImages(haystack: cv.Mat, needle: cv.Mat): Promise {
  const match = await haystack.matchTemplateAsync(
    needle,
    cv.TM_SQDIFF_NORMED,
  );
  const minMax = await match.minMaxLocAsync();
  return new MatchResult(
    1.0 - minMax.minVal,
    new Region(
      minMax.minLoc.x,
      minMax.minLoc.y,
      needle.cols,
      needle.rows,
    ),
  );
}