Mercurial Hosting > traffic-intelligence
diff python/moving.py @ 520:fd9641cbd24b
added function to classify object at instant from SVM
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Wed, 18 Jun 2014 01:19:18 -0400 |
parents | 47d9970ee954 |
children | ce40a89bd6ae |
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--- a/python/moving.py Wed Jun 18 00:53:39 2014 -0400 +++ b/python/moving.py Wed Jun 18 01:19:18 2014 -0400 @@ -831,6 +831,17 @@ else: self.setUserType(userType2Num['pedestrian']) + def classifyUserTypeHoGSVMAtInstant(self, img, svm, instant, homography, width, height, px = 0.2, py = 0.2, pixelThreshold = 800): + '''Extract the image box around the object and + applies the SVM model on it''' + from numpy import array + croppedImg, yCropMin, yCropMax, xCropMin, xCropMax = imageBox(img, self, instant, homography, width, height, px, py, pixelThreshold) + if len(croppedImg) > 0: # != [] + hog = array([cvutils.HOG(croppedImg)], dtype = np.float32) + return int(svm.predict(hog)) + else: + return userType2Num['unknown'] + @staticmethod def collisionCourseDotProduct(movingObject1, movingObject2, instant): 'A positive result indicates that the road users are getting closer'