Create app.py

app.py

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+# Install mediapipe
+!pip install mediapipe
+
+# *******Import necessary libraries***************
+import math
+import cv2
+import numpy as np
+from time import time
+import mediapipe as mp
+import matplotlib.pyplot as plt
+
+
+#*******************Initialize the Pose Detection Model*****************
+
+# Initializing mediapipe pose class.
+mp_pose = mp.solutions.pose
+
+# Setting up the Pose function.
+pose = mp_pose.Pose(static_image_mode=True, min_detection_confidence=0.3, model_complexity=2)
+
+# Initializing mediapipe drawing class, useful for annotation.
+mp_drawing = mp.solutions.drawing_utils
+
+#*********Read an Image************************
+
+# !pip install requests
+# import requests
+# # Function to read an image from a URL
+#def read_image_from_url(url1):
+#   response = requests.get(url1)
+#   image_array = np.asarray(bytearray(response.content), dtype=np.uint8)
+#   image = cv2.imdecode(image_array, cv2.IMREAD_COLOR)
+#   return image
+
+#   # GitHub URL of the image
+# url1 = 'https://github.com/toanmolsharma/newprojecty/raw/main/media/sample.jpg'
+
+# # Read the image from the URL
+# sample_img = read_image_from_url(url1)
+
+# # Read an image from the specified path.
+# #sample_img = cv2.imread('media/sample.jpg')
+
+# # Specify a size of the figure.
+# plt.figure(figsize = [10, 10])
+
+# # Display the sample image, also convert BGR to RGB for display.
+#plt.title("Sample Image");plt.axis('off');plt.imshow(sample_img[:,:,::-1]);plt.show()
+
+
+
+#*********************Pose Detection On Real-Time Webcam Feed/Video******
+
+## Setup Pose function for video.
+#pose_video = mp_pose.Pose(static_image_mode=False, min_detection_confidence=0.5, model_complexity=1)
+
+## Initialize the VideoCapture object to read from the webcam.
+#video = cv2.VideoCapture(1)
+
+## Create named window for resizing purposes
+#cv2.namedWindow('Pose Detection', cv2.WINDOW_NORMAL)
+
+
+## Initialize the VideoCapture object to read from a video stored in the disk.
+##video = cv2.VideoCapture('media/running.mp4')
+
+## Set video camera size
+#video.set(3,1280)
+#video.set(4,960)
+
+## Initialize a variable to store the time of the previous frame.
+#time1 = 0
+
+## Iterate until the video is accessed successfully.
+#while video.isOpened():
+
+  #  # Read a frame.
+ #   ok, frame = video.read()
+
+  #  # Check if frame is not read properly.
+ #   if not ok:
+
+  #      # Break the loop.
+  #      break
+
+  #  # Flip the frame horizontally for natural (selfie-view) visualization.
+  #  frame = cv2.flip(frame, 1)
+
+   # # Get the width and height of the frame
+   # frame_height, frame_width, _ =  frame.shape
+
+   # # Resize the frame while keeping the aspect ratio.
+   # frame = cv2.resize(frame, (int(frame_width * (640 / frame_height)), 640))
+
+   # # Perform Pose landmark detection.
+    #frame, _ = detectPose(frame, pose_video, display=False)
+
+    ## Set the time for this frame to the current time.
+    ##time2 = time()
+
+    # #Check if the difference between the previous and this frame time > 0 to avoid division by zero.
+    #if (time2 - time1) > 0:
+
+     #   # Calculate the number of frames per second.
+      #  frames_per_second = 1.0 / (time2 - time1)
+
+       # # Write the calculated number of frames per second on the frame.
+        #cv2.putText(frame, 'FPS: {}'.format(int(frames_per_second)), (10, 30),cv2.FONT_HERSHEY_PLAIN, 2, (0, 255, 0), 3)
+
+    ## Update the previous frame time to this frame time.
+    ## As this frame will become previous frame in next iteration.
+    #time1 = time2
+
+    ## Display the frame.
+    #cv2.imshow('Pose Detection', frame)
+
+   # # Wait until a key is pressed.
+   # # Retreive the ASCII code of the key pressed
+   # k = cv2.waitKey(1) & 0xFF
+
+   # # Check if 'ESC' is pressed.
+    #if(k == 27):
+
+    #    # Break the loop.
+    #    break
+
+## Release the VideoCapture object.
+#video.release()
+
+## Close the windows.
+#cv2.destroyAllWindows()
+
+
+# ********************Pose Classification with Angle Heuristics*****************
+
+def calculateAngle(landmark1, landmark2, landmark3):
+    '''
+    This function calculates angle between three different landmarks.
+    Args:
+        landmark1: The first landmark containing the x,y and z coordinates.
+        landmark2: The second landmark containing the x,y and z coordinates.
+        landmark3: The third landmark containing the x,y and z coordinates.
+    Returns:
+        angle: The calculated angle between the three landmarks.
+
+    '''
+
+    # Get the required landmarks coordinates.
+    x1, y1, _ = landmark1
+    x2, y2, _ = landmark2
+    x3, y3, _ = landmark3
+
+    # Calculate the angle between the three points
+    angle = math.degrees(math.atan2(y3 - y2, x3 - x2) - math.atan2(y1 - y2, x1 - x2))
+
+    # Check if the angle is less than zero.
+    if angle < 0:
+
+        # Add 360 to the found angle.
+        angle += 360
+
+    # Return the calculated angle.
+    return angle
+
+
+    
+#***************************Create a Function to Perform Pose Classification***************
+
+    def classifyPose(landmarks, output_image, display=False):
+    '''
+    This function classifies yoga poses depending upon the angles of various body joints.
+    Args:
+        landmarks: A list of detected landmarks of the person whose pose needs to be classified.
+        output_image: A image of the person with the detected pose landmarks drawn.
+        display: A boolean value that is if set to true the function displays the resultant image with the pose label
+        written on it and returns nothing.
+    Returns:
+        output_image: The image with the detected pose landmarks drawn and pose label written.
+        label: The classified pose label of the person in the output_image.
+
+    '''
+
+    # Initialize the label of the pose. It is not known at this stage.
+    label = 'Unknown Pose'
+
+    # Specify the color (Red) with which the label will be written on the image.
+    color = (0, 0, 255)
+
+    # Calculate the required angles.
+    #----------------------------------------------------------------------------------------------------------------
+
+    # Get the angle between the left shoulder, elbow and wrist points.
+    left_elbow_angle = calculateAngle(landmarks[mp_pose.PoseLandmark.LEFT_SHOULDER.value],
+                                      landmarks[mp_pose.PoseLandmark.LEFT_ELBOW.value],
+                                      landmarks[mp_pose.PoseLandmark.LEFT_WRIST.value])
+
+    # Get the angle between the right shoulder, elbow and wrist points.
+    right_elbow_angle = calculateAngle(landmarks[mp_pose.PoseLandmark.RIGHT_SHOULDER.value],
+                                       landmarks[mp_pose.PoseLandmark.RIGHT_ELBOW.value],
+                                       landmarks[mp_pose.PoseLandmark.RIGHT_WRIST.value])
+
+    # Get the angle between the left elbow, shoulder and hip points.
+    left_shoulder_angle = calculateAngle(landmarks[mp_pose.PoseLandmark.LEFT_ELBOW.value],
+                                         landmarks[mp_pose.PoseLandmark.LEFT_SHOULDER.value],
+                                         landmarks[mp_pose.PoseLandmark.LEFT_HIP.value])
+
+    # Get the angle between the right hip, shoulder and elbow points.
+    right_shoulder_angle = calculateAngle(landmarks[mp_pose.PoseLandmark.RIGHT_HIP.value],
+                                          landmarks[mp_pose.PoseLandmark.RIGHT_SHOULDER.value],
+                                          landmarks[mp_pose.PoseLandmark.RIGHT_ELBOW.value])
+
+    # Get the angle between the left hip, knee and ankle points.
+    left_knee_angle = calculateAngle(landmarks[mp_pose.PoseLandmark.LEFT_HIP.value],
+                                     landmarks[mp_pose.PoseLandmark.LEFT_KNEE.value],
+                                     landmarks[mp_pose.PoseLandmark.LEFT_ANKLE.value])
+
+    # Get the angle between the right hip, knee and ankle points
+    right_knee_angle = calculateAngle(landmarks[mp_pose.PoseLandmark.RIGHT_HIP.value],
+                                      landmarks[mp_pose.PoseLandmark.RIGHT_KNEE.value],
+                                      landmarks[mp_pose.PoseLandmark.RIGHT_ANKLE.value])
+
+    #----------------------------------------------------------------------------------------------------------------
+    # Check for Five-Pointed Star Pose
+    if abs(landmarks[mp_pose.PoseLandmark.LEFT_WRIST.value][1] - landmarks[mp_pose.PoseLandmark.LEFT_HIP.value][1]) < 100 and \
+       abs(landmarks[mp_pose.PoseLandmark.RIGHT_WRIST.value][1] - landmarks[mp_pose.PoseLandmark.RIGHT_HIP.value][1]) < 100 and \
+       abs(landmarks[mp_pose.PoseLandmark.LEFT_ANKLE.value][0] - landmarks[mp_pose.PoseLandmark.RIGHT_ANKLE.value][0]) > 200 and \
+       abs(landmarks[mp_pose.PoseLandmark.LEFT_WRIST.value][0] - landmarks[mp_pose.PoseLandmark.RIGHT_WRIST.value][0]) > 200:
+        label = "Five-Pointed Star Pose"  
+        
+    # Check if it is the warrior II pose or the T pose.
+    # As for both of them, both arms should be straight and shoulders should be at the specific angle.
+    #----------------------------------------------------------------------------------------------------------------
+
+    # Check if the both arms are straight.
+    if left_elbow_angle > 165 and left_elbow_angle < 195 and right_elbow_angle > 165 and right_elbow_angle < 195:
+
+        # Check if shoulders are at the required angle.
+        if left_shoulder_angle > 80 and left_shoulder_angle < 110 and right_shoulder_angle > 80 and right_shoulder_angle < 110:
+
+    # Check if it is the warrior II pose.
+    #----------------------------------------------------------------------------------------------------------------
+
+            # Check if one leg is straight.
+            if left_knee_angle > 165 and left_knee_angle < 195 or right_knee_angle > 165 and right_knee_angle < 195:
+
+                # Check if the other leg is bended at the required angle.
+                if left_knee_angle > 90 and left_knee_angle < 120 or right_knee_angle > 90 and right_knee_angle < 120:
+
+                    # Specify the label of the pose that is Warrior II pose.
+                    label = 'Warrior II Pose'
+
+    #----------------------------------------------------------------------------------------------------------------
+
+    # Check if it is the T pose.
+    #----------------------------------------------------------------------------------------------------------------
+
+            # Check if both legs are straight
+            if left_knee_angle > 160 and left_knee_angle < 195 and right_knee_angle > 160 and right_knee_angle < 195:
+
+                # Specify the label of the pose that is tree pose.
+                label = 'T Pose'
+    
+    #----------------------------------------------------------------------------------------------------------------
+
+    # Check if it is the tree pose.
+    #----------------------------------------------------------------------------------------------------------------
+
+    # Check if one leg is straight
+    if left_knee_angle > 165 and left_knee_angle < 195 or right_knee_angle > 165 and right_knee_angle < 195:
+
+        # Check if the other leg is bended at the required angle.
+        if left_knee_angle > 315 and left_knee_angle < 335 or right_knee_angle > 25 and right_knee_angle < 45:
+
+            # Specify the label of the pose that is tree pose.
+            label = 'Tree Pose'
+    
+    # Check for Upward Salute Pose
+    if abs(landmarks[mp_pose.PoseLandmark.LEFT_WRIST.value][0] - landmarks[mp_pose.PoseLandmark.LEFT_HIP.value][0]) < 100 and \
+       abs(landmarks[mp_pose.PoseLandmark.RIGHT_WRIST.value][0] - landmarks[mp_pose.PoseLandmark.RIGHT_HIP.value][0]) < 100 and \
+       landmarks[mp_pose.PoseLandmark.LEFT_WRIST.value][1] < landmarks[mp_pose.PoseLandmark.LEFT_SHOULDER.value][1] and \
+       landmarks[mp_pose.PoseLandmark.RIGHT_WRIST.value][1] < landmarks[mp_pose.PoseLandmark.RIGHT_SHOULDER.value][1] and \
+       abs(landmarks[mp_pose.PoseLandmark.LEFT_SHOULDER.value][1] - landmarks[mp_pose.PoseLandmark.RIGHT_SHOULDER.value][1]) < 50:
+        label = "Upward Salute Pose"
+
+   # Check for Hands Under Feet Pose
+    if landmarks[mp_pose.PoseLandmark.LEFT_WRIST.value][1] > landmarks[mp_pose.PoseLandmark.LEFT_KNEE.value][1] and \
+       landmarks[mp_pose.PoseLandmark.RIGHT_WRIST.value][1] > landmarks[mp_pose.PoseLandmark.RIGHT_KNEE.value][1] and \
+       abs(landmarks[mp_pose.PoseLandmark.LEFT_WRIST.value][0] - landmarks[mp_pose.PoseLandmark.LEFT_ANKLE.value][0]) < 50 and \
+       abs(landmarks[mp_pose.PoseLandmark.RIGHT_WRIST.value][0] - landmarks[mp_pose.PoseLandmark.RIGHT_ANKLE.value][0]) < 50:
+        label = "Hands Under Feet Pose"      
+        
+       
+    #----------------------------------------------------------------------------------------------------------------
+
+    # Check if the pose is classified successfully
+    if label != 'Unknown Pose':
+
+        # Update the color (to green) with which the label will be written on the image.
+        color = (0, 255, 0)
+
+    # Write the label on the output image.
+    cv2.putText(output_image, label, (10, 30),cv2.FONT_HERSHEY_PLAIN, 2, color, 2)
+
+    # Check if the resultant image is specified to be displayed.
+    if display:
+
+        # Display the resultant image.
+        plt.figure(figsize=[10,10])
+        plt.imshow(output_image[:,:,::-1]);plt.title("Output Image");plt.axis('off');
+
+    else:
+
+        # Return the output image and the classified label.
+        return output_image, label
+
+#******************************Pose Classification On Real-Time Webcam Feed*****************
+
+# Setup Pose function for video.
+pose_video = mp_pose.Pose(static_image_mode=False, min_detection_confidence=0.5, model_complexity=1)
+
+# Initialize the VideoCapture object to read from the webcam.
+camera_video = cv2.VideoCapture(0)
+camera_video.set(3,1280)
+camera_video.set(4,960)
+
+# Initialize a resizable window.
+cv2.namedWindow('Pose Classification', cv2.WINDOW_NORMAL)
+
+# Iterate until the webcam is accessed successfully.
+while camera_video.isOpened():
+
+    # Read a frame.
+    ok, frame = camera_video.read()
+
+    # Check if frame is not read properly.
+    if not ok:
+
+        # Continue to the next iteration to read the next frame and ignore the empty camera frame.
+        continue
+
+    # Flip the frame horizontally for natural (selfie-view) visualization.
+    frame = cv2.flip(frame, 1)
+
+    # Get the width and height of the frame
+    frame_height, frame_width, _ =  frame.shape
+
+    # Resize the frame while keeping the aspect ratio.
+    frame = cv2.resize(frame, (int(frame_width * (640 / frame_height)), 640))
+
+    # Perform Pose landmark detection.
+    frame, landmarks = detectPose(frame, pose_video, display=False)
+
+    # Check if the landmarks are detected.
+    if landmarks:
+
+        # Perform the Pose Classification.
+        frame, _ = classifyPose(landmarks, frame, display=False)
+
+    # Display the frame.
+    cv2.imshow('Pose Classification', frame)
+
+    # Wait until a key is pressed.
+    # Retreive the ASCII code of the key pressed
+    k = cv2.waitKey(1) & 0xFF
+
+    # Check if 'ESC' is pressed.
+    if(k == 27):
+
+        # Break the loop.
+        break
+
+# Release the VideoCapture object and close the windows.
+camera_video.release()
+cv2.destroyAllWindows()
+