updated readme

Author: ajithvcoder

README.md

@@ -10,6 +10,23 @@ Projects
 
   1. [Live webcam sketch](https://github.com/ajithvallabai/opencv_projects/tree/master/python/Live_webcam_sketch) 
 
-   2. [Contour_detection]()
-   3. [Counting_circles_and_ellipses]()
-   4. [Template_matching]()
+   2. [Contour_detection](https://github.com/ajithvallabai/opencv_projects/tree/master/python/Contour_detection)
+   3. [Counting_circles_and_ellipses](https://github.com/ajithvallabai/opencv_projects/tree/master/python/Counting_circles_and_ellipses)
+   4. [Template_matching](https://github.com/ajithvallabai/opencv_projects/tree/master/python/Template_matching)
+   5. Object detection
+
+      a.[Face_eye_smile_detection](https://github.com/ajithvallabai/opencv_projects/tree/master/python/object_detection/eye_and_face_detection)
+
+      b.[Yolo_object_detection](https://github.com/ajithvallabai/opencv_projects/tree/master/python/object_detection/yolo_object_detection)
+   6. Car and Pedestrain detection
+
+      a.[Car_detection](https://github.com/ajithvallabai/opencv_projects/tree/master/python/car_and_pedestrian_detection)
+
+      b.[Pedestrian_detection](https://github.com/ajithvallabai/opencv_projects/tree/master/python/car_and_pedestrian_detection)
+   7. [Face_swap](https://github.com/ajithvallabai/opencv_projects/tree/master/python/face_swap)
+   8. [Yawn_detector](https://github.com/ajithvallabai/opencv_projects/tree/master/python/yawn_detection)
+
+
+   Package used:
+   
+      Opencv 4.1.1