Created Shape Recognition

Created a simple program that detects rectangles and squares, the program also outlines the shapes.

Author: Osmiuth

Face_Recognition/README.md

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+
+# Shape Recognition using OpenCV
+
+
+## 🛠️ Description
+This is a shape recognition program that detects and outlines the rectangle and square shapes.
+
+## ⚙️ Languages or Frameworks Used
+<!--Remove the below lines and add yours -->
+Open Command Prompt and use the following command to install the required modules:
+
+```sh 
+pip install opencv-python
+```
+
+
+## 🌟 How to run
+Place and rename your image as 'shape.jpg' within the Shape_Recognition folder. After doing that, you can
+just open a terminal in the folder where your script is located and run the following command:
+
+
+Feel free to remove the pre-existing shape.jpg to your wishes and replace it with yours :)
+```sh
+python main.py
+```
+
+## 📺 Demo
+
+![demoimage](demo.png)
+
+## 🤖 Author
+[Osmiuth](https://github.com/Osmiuth)
+
+## References
+
+https://opencv24-python-tutorials.readthedocs.io/_/downloads/en/stable/pdf/
+
+## Acknowledgement
+
+Special thanks to [AnishLohiya](https://github.com/AnishLohiya) for his work on Face Recognition as inspiration to make this simple program.

Shape_Recognition/README.md

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+import cv2
+
+IMAGE = cv2.imread('shape.jpg');
+GREYSCALE = cv2.cvtColor(IMAGE, cv2.COLOR_BGR2GRAY)
+h, w, channels = IMAGE.shape
+
+PARAM, PARAM2 = cv2.threshold(GREYSCALE, 50, 255, 0)
+
+CONTOURS, _ = cv2.findContours(PARAM2, 1, 1)
+
+RECTANGLES = 0;
+SQUARES = 0;
+
+for cnt in CONTOURS:
+   x1,y1 = cnt[0][0]
+   approx = cv2.approxPolyDP(cnt, 0.01*cv2.arcLength(cnt, True), True)
+   if len(approx) == 4:
+      x, y, w, h = cv2.boundingRect(cnt)
+      ratio = float(w)/h
+      if ratio >= 0.9 and ratio <= 1.1:
+         IMAGE = cv2.drawContours(IMAGE, [cnt], -1, (0,255,0), 3)
+         SQUARES = SQUARES + 1
+      else:
+         IMAGE = cv2.drawContours(IMAGE, [cnt], -1, (0,255,0), 3)
+         RECTANGLES = RECTANGLES + 1
+
+cv2.putText(IMAGE, 'Number of SQUARES: ' + str(SQUARES), (h+500, 50), cv2.FONT_HERSHEY_SIMPLEX, 0.6, (0, 255, 0), 2)
+cv2.putText(IMAGE, 'Number of RECTANGLES: ' + str(RECTANGLES), (h+500, 200), cv2.FONT_HERSHEY_SIMPLEX, 0.6, (0, 255, 0), 2)
+
+cv2.imshow("Shapes", IMAGE)
+cv2.waitKey(0)
+cv2.destroyAllWindows()