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updated the bounding box code (the name so that it is general for ground truth and UT)
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Thu, 14 Jan 2016 11:44:39 -0500
parents d6f0e0cab07d
children bd13937818a4
comparison
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767:04497166d8f0 768:f8e0a8ea8402
1558 1558
1559 ################## 1559 ##################
1560 # Annotations 1560 # Annotations
1561 ################## 1561 ##################
1562 1562
1563 class BBAnnotation(MovingObject): 1563 class BBMovingObject(MovingObject):
1564 '''Class for a series of ground truth annotations using bounding boxes 1564 '''Class for a moving object represented as a bounding box
1565 Its center is the center of the containing shape 1565 used for series of ground truth annotations using bounding boxes
1566 and for the output of Urban Tracker http://www.jpjodoin.com/urbantracker/
1566 1567
1567 By default in image space 1568 By default in image space
1569
1570 Its center is the center of the box (generalize to other shapes?)
1571 (computed after projecting if homography available)
1568 ''' 1572 '''
1569 1573
1570 def __init__(self, num = None, timeInterval = None, topLeftPositions = None, bottomRightPositions = None, userType = userType2Num['unknown']): 1574 def __init__(self, num = None, timeInterval = None, topLeftPositions = None, bottomRightPositions = None, userType = userType2Num['unknown']):
1571 super(BBAnnotation, self).__init__(num, timeInterval, userType = userType) 1575 super(BBMovingObject, self).__init__(num, timeInterval, userType = userType)
1572 self.topLeftPositions = topLeftPositions.getPositions() 1576 self.topLeftPositions = topLeftPositions.getPositions()
1573 self.bottomRightPositions = bottomRightPositions.getPositions() 1577 self.bottomRightPositions = bottomRightPositions.getPositions()
1574 1578
1575 def computeCentroidTrajectory(self, homography = None): 1579 def computeCentroidTrajectory(self, homography = None):
1576 self.positions = self.topLeftPositions.add(self.bottomRightPositions).multiply(0.5) 1580 self.positions = self.topLeftPositions.add(self.bottomRightPositions).multiply(0.5)
1593 1597
1594 Reference: 1598 Reference:
1595 Keni, Bernardin, and Stiefelhagen Rainer. "Evaluating multiple object tracking performance: the CLEAR MOT metrics." EURASIP Journal on Image and Video Processing 2008 (2008) 1599 Keni, Bernardin, and Stiefelhagen Rainer. "Evaluating multiple object tracking performance: the CLEAR MOT metrics." EURASIP Journal on Image and Video Processing 2008 (2008)
1596 1600
1597 objects and annotations are supposed to in the same space 1601 objects and annotations are supposed to in the same space
1598 current implementation is BBAnnotations (bounding boxes) 1602 current implementation is BBMovingObject (bounding boxes)
1599 mathingDistance is threshold on matching between annotation and object 1603 mathingDistance is threshold on matching between annotation and object
1600 1604
1601 TO: tracker output (objects) 1605 TO: tracker output (objects)
1602 GT: ground truth (annotations) 1606 GT: ground truth (annotations)
1603 1607