This is a multipart post on image recognition and object detection. In this part, we will briefly explain image recognition using traditional computer vision techniques. I refer to techniques that ...
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Head Pose Estimation using OpenCV and Dlib
In this tutorial we will learn how to estimate the pose of a human head in a photo using OpenCV and Dlib. In many applications, we need to know how the head is tilted with respect to a camera. In a ...
Live CV : A Computer Vision Coding Application
In this article I will present Live CV, a computer vision coding application, and describe a few of it's implementation details along the way. ...
Approximate Focal Length for Webcams and Cell Phone Cameras
In this post I will explain how to find a crude approximation to the focal length of a webcam or cell phone camera ( i.e. fixed focal length cameras ) if calibration is not an option or if you are too ...
Configuring Qt for OpenCV on OSX
In this tutorial we will learn how to configure Qt to use OpenCV. Although the tutorial is targeted for OSX users, you can modify my suggestions for use in Linux and Windows. I assume you have a ...
Rotation Matrix To Euler Angles
In this post I will share code for converting a 3x3 rotation matrix to Euler angles and vice-versa. 3D rotations matrices can make your head spin. I know it is a bad pun but truth can sometimes be ...
