ARUint8 *dataPtr; IplImage *image_opencv, *gray_opencv; //ARToolkit→OpenCV image_opencv = cvCreateImage(cvSize(arImXsize, arImYsize), IPL_DEPTH_8U, 4); memcpy(image_opencv->imageData, dataPtr, image_opencv->imageSize); //何らかの処理 gray_opencv = cvCreateImage(cvSize(arImXsize, arImYsize), IPL_DEPTH_8U, 1); cvCvtColor(image_opencv, gray_opencv, CV_BGRA2GRAY); cvAdaptiveThreshold(gray_opencv, gray_opencv, 255, CV_ADAPTIVE_THRESH_MEAN_C, CV_THRESH_BINARY, 11, 10); cvCvtColor(gray_opencv, image_opencv, CV_GRAY2BGRA); //OpenCV→ARToolkit dataPtr = (ARUint8*)(image_opencv->imageData);