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Face Detection – OpenCV, Dlib and Deep Learning ( C++ / Python )

October 22, 2018 By 23 Comments

In this tutorial, we will discuss the various Face Detection methods in OpenCV and Dlib and compare the methods quantitatively. We will share code in C++ and Python for the following Face Detectors : ...

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Filed Under: Deep Learning, Face, Object Detection, Tutorial

Deep learning based Object Detection and Instance Segmentation using Mask R-CNN in OpenCV (Python / C++)

October 1, 2018 By 34 Comments

Instance Segmentation using Mask R-CNN

A few weeks back we wrote a post on Object detection using YOLOv3. The output of an object detector is an array of bounding boxes around objects detected in the image or video frame, but we do not ...

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Filed Under: Application, Deep Learning, how-to, Machine Learning, Object Detection, OpenCV 3, Segmentation, Tutorial, Uncategorized

Heatmap for Logo Detection using OpenCV (Python)

September 5, 2018 By 5 Comments

Visa logo exposure Fifa World Cup 2018

In this post, we will learn how to create a heatmap to analyze annotations in a video sequence. We first elaborate on why this would be useful, give a real world application, and follow up with a ...

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Filed Under: Application, Deep Learning, Object Detection, OpenCV 3, Tutorial

Deep Learning based Object Detection using YOLOv3 with OpenCV ( Python / C++ )

August 20, 2018 By 81 Comments

YOLOv3 using OpenCV

In this post, we will learn how to use YOLOv3 --- a state of the art object detector -- with OpenCV. YOLOv3 is the latest variant of a popular object detection algorithm YOLO - You Only Look Once. ...

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Filed Under: Deep Learning, Object Detection, Tutorial

Selective Search for Object Detection (C++ / Python)

September 18, 2017 By 38 Comments

region proposals for object recognition

In this tutorial, we will understand an important concept called "Selective Search" in Object Detection. We will also share OpenCV code in C++ and Python. [latexpage] Object Detection vs. Object ...

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Filed Under: how-to, Object Detection, OpenCV 3, Segmentation, Theory, Tutorial

Automatic Red Eye Remover using OpenCV (C++ / Python)

March 7, 2017 By 18 Comments

Automatic Red Eye Removal

In this tutorial, we will learn how to remove red eyes from a photo completely automatically. Just thinking about this problem of red-eye removal brings back memories from my childhood. I grew up ...

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Filed Under: Application, Face, Object Detection, Tutorial

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About

I am an entrepreneur with a love for Computer Vision and Machine Learning with a dozen years of experience (and a Ph.D.) in the field.

In 2007, right after finishing my Ph.D., I co-founded TAAZ Inc. with my advisor Dr. David Kriegman and Kevin Barnes. The scalability, and robustness of our computer vision and machine learning algorithms have been put to rigorous test by more than 100M users who have tried our products. Read More…

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