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How to get one-pixel value from grayscaleImage(java,Android)

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After using code below changedImg = new Mat(); Imgproc.cvtColor(sampledImg, changedImg, Imgproc.COLOR_RGB2GRAY); changedImg.convertTo(changedImg,CvType.CV_8UC1); int rows = changedImg.rows(); int clmns = changedImg.cols(); int chn = changedImg.channels(); double[] ft = changedImg.get(1560, 2080); infoTw.setText(rows + " | " + clmns + " | " + chn + " | " + ft ); > Blockquote I got " *3160 | 4160 | 1 | [D@cbe047b* " What does "[D@cbe047b" mean? I consider that value is in range 0 - 255. A how could I get pixel value in range 0 - 255 ? Thank in advance.

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