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I solved this problem. The core dumped comes from point cloud structure. Because width and height definition in point cloud is similar to matlab, meaning width =rows, height=cols, but in opencv it is width=cols, height=ros.

The convertion itself has no functional problem. What only left is whether this convertion is efficient or not.

Thanks to Haibo thought I didn't read too much about your answer.:)

I solved this problem. The core dumped comes from point cloud structure. Because width and height definition in point cloud is similar to matlab, meaning width =rows, height=cols, but in opencv it is width=cols, height=ros.

The convertion itself has no functional problem. What only left is whether this convertion is efficient or not.

Thanks to Haibo thought though I didn't read too much about your answer.:)