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What is Close-up Camera Calibration

Close-up imaging is a tool on the P3 used to capture photos of smaller processing areas, covering a 140mm × 160mm region. Compared to long-range imaging, it offers higher resolution. When you notice that the processing position deviates significantly from the position shown in the close-up photo after placing processing elements, you need to perform close-up camera calibration to correct the misalignment issue.

Applicable Scenarios

1. After replacing the camera module;
2. When the camera positioning deviation is too large;
3. When missing calibration files cause the camera to fail in taking photos.

Notes

1. For calibration, it is recommended to use flat, solid-colored, 300g white cardstock (highest recognition success rate).
2. The calibration paper can be larger, but not smaller than the required calibration area.
3. The flatness of the calibration paper directly affects calibration accuracy. Do not use paper with obvious creases or deformation, and ensure it remains flat.
4. It is not recommended to use regular office A4 paper for calibration, as it may result in poor calibration performance.
5. Use white or light-colored tape to secure the paper to improve the camera’s recognition success rate.

Operating Steps

• In the software, open Device Settings → Calibration
• Select the option Close-up camera calibration, then click Start
• Follow the on-screen instructions in the software to complete the calibration.