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<body class='hmmessage'><div dir='ltr'>Hi everyone,<BR>when i use the reader such as vtkJPEGReader to read one image file(see attachment) and extract the contour of <BR>the img, then read the result output and print the points with OpenCV.<BR>Then i found the image was not the way it used to be.<BR>In the attachment the original image is number 1, and the contour image is number 2.<BR>It is clear that the image reversal in some way.<BR>Cause i have to set the point of the contour in the 3D model, <BR>with this revesal the calculated center of the white target in the the original image was not suit the reveral image 2. <BR>So i wanna know is there any way to avoid this revesal and to read file as it used to be?<br>Thanks!<BR><br>DawnWind.Chen<BR><div>CSU</div> </div></body>
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