Lines Matching refs:chart
554 """Return the center coords of each patch in a color checker chart.
557 * Chart is vertical or horizontal w.r.t. camera, but not diagonal.
558 * Chart is (roughly) planar-parallel to the camera.
559 * Chart is centered in frame (roughly).
560 * Around/behind chart is white/grey background.
561 * The only black pixels in the image are from the chart.
562 * Chart is 100% visible and contained within image.
565 * Standard color checker chart with standard-sized black borders.
567 The values returned are in the coordinate system of the chart; that is,
568 patch (0,0) is the brown patch that is in the chart's top-left corner when
569 it is in the normal upright/horizontal orientation. (The chart may be any
581 ordered in the "chart order" (6x4 row major).
615 # Orientation of chart, and number of grid cells horz. and vertically.
653 # Return the coords of the origin (top-left when the chart is in the normal
655 # center of the second patch on the first row of the chart (when in the
