I didn't find any similar function: [cv::erode](https://docs.opencv.org/3.4/d4/d86/group__imgproc__filter.html#gaeb1e0c1033e3f6b891a25d0511362aeb) [cv::dilate](https://docs.opencv.org/3.4/d4/d86/group__imgproc__filter.html#ga4ff0f3318642c4f469d0e11f242f3b6c) 😊
