Grids not filtered in grids view for surround view system

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Grids not filtered in grids view for surround view system

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Contributor II

Nxp staff,

     Hello, my company is developing a product using surround view system on imx8. Four cameras are fixed on four tripods mimicking an SUV. However, when the system switches to the grids view, the grids for the front camera image (right bottom one) seem not be satisfying in which the grids above and arround the red curve drawn by me should be cleaned by the reorgGrid function, while the grids in the other three images seem to be without problem. And I checked some of these wierd grids, whose coordinations seemed to be fine within the limit by radius and nop_z.

    Could you point out the reason causing these wierd grids? And another thing is I cannot figure out what the following means:

int startpnum = (float)camera->tmp.ref_points[0].y / (float)camera->tmp.ref_points[0].x / (float)parameters.step_x / 3.0;	// The first row of grid

which is a piece of code in the CurvilinearGrid::createGrid function in calibration/src/grid.cpp. Why it is putting this way?

    Thank you very much in advance!

 

 

the grids viewthe grids view

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