| private cvCalcOpticalFlowBM ( IntPtr prev, IntPtr curr, Size blockSize, Size shiftSize, Size maxRange, bool usePrevious, IntPtr velx, IntPtr vely ) : void | ||
| prev | IntPtr | |
| curr | IntPtr | |
| blockSize | Size | |
| shiftSize | Size | |
| maxRange | Size | |
| usePrevious | bool | |
| velx | IntPtr | |
| vely | IntPtr | |
| Результат | void | |
/// <summary>
/// Calculates optical flow for overlapped blocks block_size.width * block_size.height pixels each, thus the velocity fields are smaller than the original images.
/// For every block in prev the functions tries to find a similar block in curr in some neighborhood of the original block or shifted by (velx(x0,y0),vely(x0,y0)) block as has been calculated by previous function call (if use_previous)
/// </summary>
/// <param name="prev">First image</param>
/// <param name="curr">Second image</param>
/// <param name="blockSize">Size of basic blocks that are compared.</param>
/// <param name="shiftSize">Block coordinate increments. </param>
/// <param name="maxRange">Size of the scanned neighborhood in pixels around block.</param>
/// <param name="usePrevious">Uses previous (input) velocity field. </param>
/// <param name="velx">Horizontal component of the optical flow of floor((prev->width - block_size.width)/shiftSize.width) x floor((prev->height - block_size.height)/shiftSize.height) size. </param>
/// <param name="vely">Vertical component of the optical flow of the same size velx.</param>
public static void BM(
Image <Gray, Byte> prev,
Image <Gray, Byte> curr,
Size blockSize,
Size shiftSize,
Size maxRange,
bool usePrevious,
Image <Gray, Single> velx,
Image <Gray, Single> vely)
{
CvInvoke.cvCalcOpticalFlowBM(prev, curr, blockSize, shiftSize, maxRange, usePrevious, velx, vely);
}
