In late December 2016, I announced a small gift of 10 Deep Learning books to people interested in or working in AI. This is my way of paying back to the community which has been extremely generous ...
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Histogram of Oriented Gradients explained using OpenCV
In this post, we will learn the details of the Histogram of Oriented Gradients (HOG) feature descriptor. We will learn what is under the hood and how this descriptor is calculated internally by ...
Image Recognition and Object Detection : Part 1
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 ...
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 ...
Speeding up Dlib’s Facial Landmark Detector
In this tutorial I will explore a few ways to speed up Dlib's Facial Landmark Detector. Dlib's Facial Landmark Detector Dlib has a very good implementation of a very fast facial landmark ...
Face Swap using OpenCV ( C++ / Python )
In this tutorial we will learn how to swap out a face in one image with a completely different face using OpenCV and DLib in C++ and Python. Ladies and gentlemen, let me present Ted Trump, ...