def __call__(self, spotted, context):
parent = spotted.parent
topleft = parent.topleft
contours = context.rois[self.label]
roi = tuple((i, i + n) for (i, n) in izip(spotted.offset, spotted.data.shape))
def inroi(i, r):
for ((a, n), x) in izip(r, i):
if not (a <= x < n):
return False
return True
counts = ballot()
for i in product(*[range(*x) for x in roi]):
for c in contours:
if inroi(i, c):
counts.vote(c)
roi = counts.winner()
if roi != None:
return percept(parent.data[fancy_index(roi)], tuple(i[0] for i in roi), parent)
else:
return spotted
def __init__(self, *roi, **options):
self.roi = fancy_index(roi)
self.precision = options.get('precision', 0.0)
