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![[Figure 5]](ba5289fig5mag.jpg)
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Figure 5
Loop centering by INOCC. After blurring and binarization of the captured image with OpenCV (Bradski, 2000  ), the program recognizes the left edge of the loop and translates it to the X-ray irradiation point at rotation angles of 0°, 45°, 90° and 135°. After convergence of the process, the face angle where the face of the loop is perpendicular to the X-rays is found. Finally, the program moves the loop to the left by a half-length of the user-defined loop size along the rotation axis. |
![[Figure 5]](ba5289fig5.jpg)
 | STRUCTURAL BIOLOGY |
ISSN: 2059-7983
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