Committing the full implementation of the lecture Gaze estimation frame...

Committing the full implementation of the lecture Gaze estimation frame groupings in the lecturer Home page.

FirstApp/api.py

@@ -1027,7 +1027,7 @@ class GetLectureEmotionSummary(APIView):
         #     new_lecture_emotion_frame_grouping_id = "LEFG00001" if (last_lec_emotion_frame_grouping is None) else \
         #         ig.generate_new_id(last_lec_emotion_frame_grouping.lecture_emotion_frame_groupings_id)
         #
-        #     # retrieve the lecture activity id
+        #     # retrieve the lecture emotion id
         #     lec_emotion = LectureEmotionReport.objects.filter(lecture_video_id__video_name=video_name)
         #     lec_emotion_ser = LectureEmotionSerializer(lec_emotion, many=True)
         #     lec_emotion_id = lec_emotion_ser.data[0]['id']
@@ -1067,7 +1067,7 @@ class GetLectureGazeSummary(APIView):
         video_name = request.query_params.get('video_name')
 
         # checking the existence of lecture activity frame grouping records in the db
-        isExist = LectureGazeFrameGroupings.objects.filter(lecture_activity_id__lecture_video_id__video_name=video_name).exists()
+        isExist = LectureGazeFrameGroupings.objects.filter(lecture_gaze_id__lecture_video_id__video_name=video_name).exists()
 
         if (isExist):
             # frame_landmarks, frame_group_dict = ve.getFrameLandmarks(video_name)
@@ -1084,11 +1084,12 @@ class GetLectureGazeSummary(APIView):
             for landmark in retrieved_frame_landmarks:
                 frame_landmarks.append(landmark['landmark'])
 
-
+            # retrieve the frame groupings
             lec_gaze_frame_groupings = LectureGazeFrameGroupings.objects.filter(lecture_gaze_id__lecture_video_id__video_name=video_name)
             lec_gaze_frame_groupings_ser = LectureGazeFrameGroupingsSerializer(lec_gaze_frame_groupings, many=True)
             lec_gaze_frame_groupings_data = lec_gaze_frame_groupings_ser.data[0]
 
+            # take the frame group details out of it
             frame_group_details = lec_gaze_frame_groupings_data["frame_group_details"]
 
 
@@ -1097,87 +1098,69 @@ class GetLectureGazeSummary(APIView):
                 frame_group_percentages[group['frame_group']] = group['frame_group_percentages']
 
 
-
-            class_labels = ['phone_perct', 'listen_perct', 'note_perct']
+            class_labels = ['upright_perct', 'upleft_perct', 'downright_perct', 'downleft_perct', 'front_perct']
 
             return Response({
                 "frame_landmarks": frame_landmarks,
                 "frame_group_percentages": frame_group_percentages,
-                "activity_labels": class_labels
+                "gaze_labels": class_labels
             })
 
-        # else:
-        #
-        #     # retrieve the previous lecture video frame landmarks details
-        #     last_lec_video_frame_landmarks = LectureVideoFrameLandmarks.objects.order_by(
-        #         'lecture_video_frame_landmarks_id').last()
-        #     new_lecture_video_frame_landmarks_id = "LVFL00001" if (last_lec_video_frame_landmarks is None) else \
-        #         ig.generate_new_id(last_lec_video_frame_landmarks.lecture_video_frame_landmarks_id)
-        #
-        #
-        #     frame_landmarks, frame_group_dict = ve.getFrameLandmarks(video_name)
-        #     frame_group_percentages, activity_labels = ar.activity_frame_groupings(video_name, frame_landmarks, frame_group_dict)
-        #
-        #
-        #     # retrieve lecture video details
-        #     lec_video = LectureVideo.objects.filter(video_name=video_name)
-        #     lec_video_ser = LectureVideoSerializer(lec_video, many=True)
-        #     lec_video_id = lec_video_ser.data[0]['id']
-        #
-        #
-        #     # save the frame landmarks details into db (temp method)
-        #     db_frame_landmarks = []
-        #
-        #     for landmark in frame_landmarks:
-        #         landmark_obj = Landmarks()
-        #         landmark_obj.landmark = landmark
-        #
-        #         db_frame_landmarks.append(landmark_obj)
-        #
-        #
-        #     new_lec_video_frame_landmarks = LectureVideoFrameLandmarks()
-        #     new_lec_video_frame_landmarks.lecture_video_frame_landmarks_id = new_lecture_video_frame_landmarks_id
-        #     new_lec_video_frame_landmarks.lecture_video_id_id = lec_video_id
-        #     new_lec_video_frame_landmarks.frame_landmarks = db_frame_landmarks
-        #
-        #     new_lec_video_frame_landmarks.save()
-        #
-        #
-        #
-        #     # save the frame group details into db (temp method)
-        #
-        #     last_lec_activity_frame_grouping = LectureActivityFrameGroupings.objects.order_by('lecture_activity_frame_groupings_id').last()
-        #     new_lecture_activity_frame_grouping_id = "LAFG00001" if (last_lec_activity_frame_grouping is None) else \
-        #         ig.generate_new_id(last_lec_activity_frame_grouping.lecture_activity_frame_groupings_id)
-        #
-        #     # retrieve the lecture activity id
-        #     lec_activity = LectureActivity.objects.filter(lecture_video_id__video_name=video_name)
-        #     lec_activity_ser = LectureActivitySerializer(lec_activity, many=True)
-        #     lec_activity_id = lec_activity_ser.data[0]['id']
-        #
-        #     # create the frame group details
-        #     frame_group_details = []
-        #
-        #     for key in frame_group_percentages.keys():
-        #         # create an object of type 'LectureActivityFrameGroupDetails'
-        #         lec_activity_frame_group_details = LectureActivityFrameGroupDetails()
-        #         lec_activity_frame_group_details.frame_group = key
-        #         lec_activity_frame_group_details.frame_group_percentages = frame_group_percentages[key]
-        #
-        #         frame_group_details.append(lec_activity_frame_group_details)
-        #
-        #
-        #     new_lec_activity_frame_groupings = LectureActivityFrameGroupings()
-        #     new_lec_activity_frame_groupings.lecture_activity_frame_groupings_id = new_lecture_activity_frame_grouping_id
-        #     new_lec_activity_frame_groupings.lecture_activity_id_id = lec_activity_id
-        #     new_lec_activity_frame_groupings.frame_group_details = frame_group_details
-        #
-        #     # save
-        #     new_lec_activity_frame_groupings.save()
-        #
-        #
-        #     return Response({
-        #         "frame_landmarks": frame_landmarks,
-        #         "frame_group_percentages": frame_group_percentages,
-        #         "activity_labels": activity_labels
-        #     })
\ No newline at end of file
+        else:
+
+            frame_landmarks = []
+
+            # retrieve frame landmarks from db
+            lec_video_frame_landmarks = LectureVideoFrameLandmarks.objects.filter(
+                lecture_video_id__video_name=video_name)
+            lec_video_frame_landmarks_ser = LectureVideoFrameLandmarksSerializer(lec_video_frame_landmarks, many=True)
+            lec_video_frame_landmarks_data = lec_video_frame_landmarks_ser.data[0]
+
+            retrieved_frame_landmarks = lec_video_frame_landmarks_data["frame_landmarks"]
+
+            # creating a new list to display in the frontend
+            for landmark in retrieved_frame_landmarks:
+                frame_landmarks.append(int(landmark['landmark']))
+
+
+            l, frame_group_dict = ve.getFrameLandmarks(video_name, "Gaze")
+            print('frame group dict: ', frame_group_dict)
+            frame_group_percentages, gaze_labels = hge.gaze_estimation_frame_groupings(video_name, frame_landmarks, frame_group_dict)
+
+            # save the frame group details into db (temp method)
+
+            last_lec_gaze_frame_grouping = LectureGazeFrameGroupings.objects.order_by('lecture_gaze_frame_groupings_id').last()
+            new_lecture_gaze_frame_grouping_id = "LGFG00001" if (last_lec_gaze_frame_grouping is None) else \
+                ig.generate_new_id(last_lec_gaze_frame_grouping.lecture_gaze_frame_groupings_id)
+
+            # retrieve the lecture activity id
+            lec_gaze = LectureGazeEstimation.objects.filter(lecture_video_id__video_name=video_name)
+            lec_gaze_ser = LectureGazeEstimationSerializer(lec_gaze, many=True)
+            lec_gaze_id = lec_gaze_ser.data[0]['id']
+
+            # create the frame group details
+            frame_group_details = []
+
+            for key in frame_group_percentages.keys():
+                # create an object of type 'LectureActivityFrameGroupDetails'
+                lec_gaze_frame_group_details = LectureGazeFrameGroupDetails()
+                lec_gaze_frame_group_details.frame_group = key
+                lec_gaze_frame_group_details.frame_group_percentages = frame_group_percentages[key]
+
+                frame_group_details.append(lec_gaze_frame_group_details)
+
+
+            new_lec_gaze_frame_groupings = LectureGazeFrameGroupings()
+            new_lec_gaze_frame_groupings.lecture_gaze_frame_groupings_id = new_lecture_gaze_frame_grouping_id
+            new_lec_gaze_frame_groupings.lecture_gaze_id_id = lec_gaze_id
+            new_lec_gaze_frame_groupings.frame_group_details = frame_group_details
+
+            # save
+            new_lec_gaze_frame_groupings.save()
+
+
+            return Response({
+                "frame_landmarks": frame_landmarks,
+                "frame_group_percentages": frame_group_percentages,
+                "gaze_labels": gaze_labels
+            })
\ No newline at end of file

FirstApp/logic/head_gaze_estimation.py

@@ -618,6 +618,7 @@ def gaze_estimation_frame_groupings(video_name, frame_landmarks, frame_group_dic
     EXTRACTED_DIR = os.path.join(BASE_DIR, "assets\\FirstApp\\gaze\\{}".format(video_name))
     VIDEO_PATH = os.path.join(BASE_DIR, "assets\\FirstApp\\videos\\{}".format(video_name))
 
+    print('video path: ', VIDEO_PATH)
 
     # load the face detection model
     face_model = get_face_detector()
@@ -626,9 +627,7 @@ def gaze_estimation_frame_groupings(video_name, frame_landmarks, frame_group_dic
     cap = cv2.VideoCapture(VIDEO_PATH)
     ret, img = cap.read()
     size = img.shape
-    font = cv2.FONT_HERSHEY_SIMPLEX
 
-    font = cv2.FONT_HERSHEY_SIMPLEX
     # 3D model points.
     model_points = np.array([
         (0.0, 0.0, 0.0),  # Nose tip
@@ -639,8 +638,6 @@ def gaze_estimation_frame_groupings(video_name, frame_landmarks, frame_group_dic
         (150.0, -150.0, -125.0)  # Right mouth corner
     ])
 
-    # define a variable to count the frames
-    frame_count = 0
 
     # set a threshold angle
     # THRESHOLD = 15
@@ -662,8 +659,6 @@ def gaze_estimation_frame_groupings(video_name, frame_landmarks, frame_group_dic
     # initializing the count variables
     frame_count = 0
 
-    # class labels
-    class_labels = ['Phone checking', 'Listening', 'Note taking']
 
     # get the frame differences for each frame group
     frame_group_diff = {}
@@ -699,7 +694,6 @@ def gaze_estimation_frame_groupings(video_name, frame_landmarks, frame_group_dic
             # find the number of faces
             faces = find_faces(img, face_model)
 
-            student_count = 0
 
             # iterate through each detected face
             for face in faces:
@@ -711,8 +705,6 @@ def gaze_estimation_frame_groupings(video_name, frame_landmarks, frame_group_dic
                 isLookingLeft = False
                 isLookingFront = False
 
-                # deriving the student name to display in the image
-                student_name = 'student-{}'.format(student_count)
 
                 # retrieving the facial landmarks and face bounding box coordinates
                 marks, facebox = detect_marks(img, landmark_model, face)
@@ -779,61 +771,78 @@ def gaze_estimation_frame_groupings(video_name, frame_landmarks, frame_group_dic
                 elif isLookingFront:
                     head_front_count += 1
 
-                # increment the face count
-                face_count += 1
 
                 # increment the detection count
                 detection_count += 1
 
-            # finding the time landmark that the current frame is in
-            for i in frame_landmarks:
-                index = frame_landmarks.index(i)
-                j = index + 1
+                # finding the time landmark that the current frame is in
+                for i in frame_landmarks:
+                    index = frame_landmarks.index(i)
+                    j = index + 1
 
-                # checking whether the next index is within the range
-                if j < len(frame_landmarks):
-                    next_value = frame_landmarks[j]
+                    # checking whether the next index is within the range
+                    if j < len(frame_landmarks):
+                        next_value = frame_landmarks[j]
 
-                    # checking the correct time landmark range
-                    if (frame_count >= i) & (frame_count < next_value):
-                        frame_name = "{}-{}".format(i, next_value)
+                        # checking the correct time landmark range
+                        if (frame_count >= i) & (frame_count < next_value):
+                            frame_name = "{}-{}".format(i, next_value)
+
+                            print('frame group dict: ', frame_group_dict[frame_name])
+
+                            frame_group_dict[frame_name]['upright_count'] += head_up_right_count
+                            frame_group_dict[frame_name]['upleft_count'] += head_up_left_count
+                            frame_group_dict[frame_name]['downright_count'] += head_down_right_count
+                            frame_group_dict[frame_name]['downleft_count'] += head_down_left_count
+                            frame_group_dict[frame_name]['front_count'] += head_front_count
+                            frame_group_dict[frame_name]['detection_count'] += detection_count
 
-                        frame_group_dict[frame_name]['upright_count'] += head_up_right_count
-                        frame_group_dict[frame_name]['upleft_count'] += head_up_left_count
-                        frame_group_dict[frame_name]['downright_count'] += head_down_right_count
-                        frame_group_dict[frame_name]['downleft_count'] += head_down_left_count
-                        frame_group_dict[frame_name]['front_count'] += head_front_count
-                        frame_group_dict[frame_name]['detection_count'] += detection_count
 
             # increment the frame count
             frame_count += 1
 
-        # calculate the percentage values
-        for key in frame_group_dict.keys():
-            frame_group_details = frame_group_dict[key]
-            frame_group_phone_count = frame_group_details['phone_count']
-            frame_group_listen_count = frame_group_details['listen_count']
-            frame_group_note_count = frame_group_details['note_count']
-            group_detection_count = frame_group_details['detection_count']
+        else:
+            break
+
+
+    # calculate the percentage values
+    for key in frame_group_dict.keys():
+        frame_group_details = frame_group_dict[key]
+        frame_group_upright_count = frame_group_details['upright_count']
+        frame_group_upleft_count = frame_group_details['upleft_count']
+        frame_group_downright_count = frame_group_details['downright_count']
+        frame_group_downleft_count = frame_group_details['downleft_count']
+        frame_group_front_count = frame_group_details['front_count']
+
+        print('detection count: ', frame_group_details['detection_count'])
+        group_detection_count = 1 if frame_group_details['detection_count'] == 0 else frame_group_details['detection_count']
+
 
 
-            frame_group_phone_perct = float(frame_group_phone_count / group_detection_count) * 100
-            frame_group_listen_perct = float(frame_group_listen_count / group_detection_count) * 100
-            frame_group_note_perct = float(frame_group_note_count / group_detection_count) * 100
+        frame_group_upright_perct = float(frame_group_upright_count / group_detection_count) * 100
+        frame_group_upleft_perct = float(frame_group_upleft_count / group_detection_count) * 100
+        frame_group_downright_perct = float(frame_group_downright_count / group_detection_count) * 100
+        frame_group_downleft_perct = float(frame_group_downleft_count / group_detection_count) * 100
+        frame_group_front_perct = float(frame_group_front_count / group_detection_count) * 100
 
-            # assign the values to the same dictionary
-            frame_group_dict[key]['phone_perct'] = round(frame_group_phone_perct, 1)
-            frame_group_dict[key]['listen_perct'] = round(frame_group_listen_perct, 1)
-            frame_group_dict[key]['note_perct'] = round(frame_group_note_perct, 1)
+        # assign the values to the same dictionary
+        frame_group_dict[key]['upright_perct'] = round(frame_group_upright_perct, 1)
+        frame_group_dict[key]['upleft_perct'] = round(frame_group_upleft_perct, 1)
+        frame_group_dict[key]['downright_perct'] = round(frame_group_downright_perct, 1)
+        frame_group_dict[key]['downleft_perct'] = round(frame_group_downleft_perct, 1)
+        frame_group_dict[key]['front_perct'] = round(frame_group_front_perct, 1)
 
-            # removing irrelevant items from the dictionary
-            frame_group_dict[key].pop('phone_count')
-            frame_group_dict[key].pop('listen_count')
-            frame_group_dict[key].pop('note_count')
-            frame_group_dict[key].pop('detection_count')
+        # removing irrelevant items from the dictionary
+        frame_group_dict[key].pop('upright_count')
+        frame_group_dict[key].pop('upleft_count')
+        frame_group_dict[key].pop('downright_count')
+        frame_group_dict[key].pop('downleft_count')
+        frame_group_dict[key].pop('front_count')
+        frame_group_dict[key].pop('detection_count')
 
-    # print('frame group dict: ', frame_group_dict)
 
+    # define the labels
+    labels = ['upright_perct', 'upleft_perct', 'downright_perct', 'downleft_perct', 'front_perct']
 
     # return the dictionary
-    return frame_group_dict
+    return frame_group_dict, labels

FirstApp/serializers.py

@@ -356,11 +356,11 @@ class LectureGazeFrameGroupingsSerializer(serializers.ModelSerializer):
             group_details["frame_group_percentages"] = {}
 
             group_details["frame_group"] = frame_group.frame_group
-            group_details["frame_group_percentages"]["looking_up_and_right_perct"] = frame_group.frame_group_percentages.looking_up_and_right_perct
-            group_details["frame_group_percentages"]["looking_up_and_left_perct"] = frame_group.frame_group_percentages.looking_up_and_left_perct
-            group_details["frame_group_percentages"]["looking_down_and_right_perct"] = frame_group.frame_group_percentages.looking_down_and_right_perct
-            group_details["frame_group_percentages"]["looking_down_and_left_perct"] = frame_group.frame_group_percentages.looking_down_and_left_perct
-            group_details["frame_group_percentages"]["looking_front_perct"] = frame_group.frame_group_percentages.looking_front_perct
+            group_details["frame_group_percentages"]["upright_perct"] = frame_group.frame_group_percentages.upright_perct
+            group_details["frame_group_percentages"]["upleft_perct"] = frame_group.frame_group_percentages.upleft_perct
+            group_details["frame_group_percentages"]["downright_perct"] = frame_group.frame_group_percentages.downright_perct
+            group_details["frame_group_percentages"]["downleft_perct"] = frame_group.frame_group_percentages.downleft_perct
+            group_details["frame_group_percentages"]["front_perct"] = frame_group.frame_group_percentages.front_perct
 
             return_data.append(group_details)
 

FirstApp/templates/FirstApp/Home.html

@@ -282,7 +282,7 @@
             });
 
             //this function will handle the gaze 'summary' button
-            $('#gaze_summary_btn').click(function () {
+            $('#gaze_summary_btn').click(function (e) {
                 //change the innerHTML of the clicked button
                 e.target.innerHTML = "<span class='font-italic'>Processing</span>";