1
嘿,我在這個庫中使用JavaCV org.bytedeco.javacpp.opencv_core
版本1.3.2作爲gradle依賴。調用findChessboardCorners時獲取角點的座標
我運行這段代碼以獲得在棋盤的角落,但我有麻煩獲取座標所檢測的每個角落:
Mat imageCorners = new Mat();
Size boardSize = new Size(9,6);
boolean found = findChessboardCorners(capturedFrame,boardSize,imageCorners,CV_CALIB_CB_ADAPTIVE_THRESH+CV_CALIB_CB_NORMALIZE_IMAGE);
但對於54角的方法檢測,該矩陣存儲角落只有54x1的大小。
if (found) {
FloatRawIndexer sI = imageCorners.createIndexer();
for (int y = 0; y < imageCorners.rows(); y++) {
for (int x = 0; x < imageCorners.cols(); x++) {
logger.debug("Row: " + y + " Column " + x);
logger.debug(sI.get(y, x));
}
}
}
日誌文件看起來是這樣的:
14:57:50.057 [main] DEBUG JavaCVTransformation2 - Row: 0 Column 0
14:57:50.059 [main] DEBUG JavaCVTransformation2 - 164.02007
14:57:50.059 [main] DEBUG JavaCVTransformation2 - Row: 1 Column 0
14:57:50.059 [main] DEBUG JavaCVTransformation2 - 224.07906
14:57:50.059 [main] DEBUG JavaCVTransformation2 - Row: 2 Column 0
14:57:50.059 [main] DEBUG JavaCVTransformation2 - 283.54288
14:57:50.059 [main] DEBUG JavaCVTransformation2 - Row: 3 Column 0
14:57:50.059 [main] DEBUG JavaCVTransformation2 - 343.4154
14:57:50.060 [main] DEBUG JavaCVTransformation2 - Row: 4 Column 0
14:57:50.060 [main] DEBUG JavaCVTransformation2 - 402.7718
14:57:50.060 [main] DEBUG JavaCVTransformation2 - Row: 5 Column 0
14:57:50.060 [main] DEBUG JavaCVTransformation2 - 462.38278
14:57:50.060 [main] DEBUG JavaCVTransformation2 - Row: 6 Column 0
14:57:50.060 [main] DEBUG JavaCVTransformation2 - 522.2342
14:57:50.060 [main] DEBUG JavaCVTransformation2 - Row: 7 Column 0
14:57:50.060 [main] DEBUG JavaCVTransformation2 - 580.99805
14:57:50.061 [main] DEBUG JavaCVTransformation2 - Row: 8 Column 0
14:57:50.061 [main] DEBUG JavaCVTransformation2 - 640.7774
14:57:50.061 [main] DEBUG JavaCVTransformation2 - Row: 9 Column 0
14:57:50.061 [main] DEBUG JavaCVTransformation2 - 151.04564
繪製它工作完全正常,所以冥冥之中有必須是兩個座標到每個角落,我想。
drawChessboardCorners(capturedFrame, boardSize, imageCorners, found);
有沒有辦法在撥打電話findChessboardCorners()
時得到轉角座標?
在C++中的輸出''imageCorners''是一個''矢量''可以通過''imageCorners [i] .x''和'imageCorners [i] .y''進行訪問。這對你有幫助嗎? –
Phann