[OpenCV-Python]35.OpenCV face detection and recognition - Example 2 (face recognition training local data)

35. Face detection and recognition of OpenCV - Example 2 (face recognition training local data) preface face detection refers to the process of locating faces in images. Face recognition is to further judge people's identity on the basis of face detection. This example is a summary of the previUTF-8...

Posted by walkonet on Thu, 06 Jan 2022 06:03:57 +1030

Chapter 6 - threshold processing

Threshold processing refers to the elimination of pixels in the image whose pixel value is higher or lower than a certain value. For example, set the threshold to 127, and then: Set the value of all pixels in the image with a pixel value greater than 127 to 255.Set the value of all pixels in tUTF-8...

Posted by joshberm on Sun, 23 Jan 2022 09:01:24 +1030

Opencv Python tutorial: drawing polygons and outputting text

Original link: http://www.juzicode.com/archives/5575 Return to opencv Python tutorial In Opencv Python tutorial: drawing lines, circles, and squares This article introduces how to draw straight lines, circles and squares. Here is how to draw polygons and output text. 1. Polygon cv2.polylines() UTF-8...

Posted by Emperor_Jackal on Mon, 07 Feb 2022 17:45:49 +1030

OpenCV-Python video analysis (moving object detection, object tracking)

1 Overview This article introduces the two main contents of video analysis in OpenCV-Python, namely: šŸŸBackground difference method for moving object detectionšŸŸMeanshift and Camshift algorithm object tracking PS: Video analysis also has an important content: optical flow method motion trajectoUTF-8...

Posted by cspgsl on Fri, 21 Oct 2022 12:47:29 +1030