barcode image to find a rectangle in
initial size of search area around center
x position of search center
y position of search center
barcode image to find a rectangle in
recenters the points of a constant distance towards the center
bottom most point
left most point
right most point
top most point
ResultPoint[] describing the corners of the rectangular region. The first and last points are opposed on the diagonal, as are the second and third. The first point will be the topmost point and the last, the bottommost. The second point will be leftmost and the third, the rightmost
Determines whether a segment contains a black point
min value of the scanned coordinate
max value of the scanned coordinate
value of fixed coordinate
set to true if scan must be horizontal, false if vertical
true if a black point has been found, else false.
Detects a candidate barcode-like rectangular region within an image. It starts around the center of the image, increases the size of the candidate region until it finds a white rectangular region.
ResultPoint[] describing the corners of the rectangular region. The first and last points are opposed on the diagonal, as are the second and third. The first point will be the topmost point and the last, the bottommost. The second point will be leftmost and the third, the rightmost
Generated using TypeDoc
Detects a candidate barcode-like rectangular region within an image. It starts around the center of the image, increases the size of the candidate region until it finds a white rectangular region. By keeping track of the last black points it encountered, it determines the corners of the barcode.
David Olivier