origin-data-lab/recording-folder-calibration-file-resolution-mismatch

Origin Data Lab · Technical Field Note #20

ODL Calibration File Resolution Check

English technical note | Korean technical note

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ODL Calibration File Resolution Check

Daily rectified vertical residual (2,834 samples) obtained with a calibration file whose image size does not match the video.

Source note: https://origindatalab.io/technical-field-notes/recording-folder-calibration-file-resolution-mismatch.html

Limits / licence

One rig, one operator, four mornings. Licence: Creative Commons Attribution 4.0 International (CC BY 4.0) for derived data and figures; MIT for code. No images or personal data.

Visual evidence

Figures are taken from the released technical-note package. Interpret with the original methods and limitations.

Figure 1

Rectified vertical residual per sample with the per-recording 800×600 file, by day. Green band: the mode-matched file over a full shift (Field Note #16).

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Field photos

Frames from the head-mounted rig. Faces, people and printed text are blurred or cropped.

A: original frame with the file's principal point (red) and the true frame centre (green). B: the same frame after rectification with the 800×600 file.

Left | right after rectification with the per-recording file. A straight door frame (circled) comes out curved.