def detect(self, image):
"""Detect ellipse from image.
Args:
image: A numpy as array indicats gray scale image.
Returns:
Array of Ellipse instance that was detected from image.
"""
if len(image.shape) != 2:
raise exceptions.RuntimeException()
seg_detector = SegmentDetector()
segments = seg_detector.detect(image)
ellipse_cand_maker = EllipseCandidateMaker()
ellipse_cands = ellipse_cand_maker.make(segments)
ellipse_estimator = EllipseEstimator()
ellipses = ellipse_estimator.estimate(ellipse_cands)
ellipse_merger = EllipseMerger(image.shape[1], image.shape[0])
ellipses = ellipse_merger.merge(ellipses)
return ellipses
