Categories: AI/ML Research

Using Haar Cascade for Object Detection

Before the deep learning revolution redefined computer vision, Haar features and Haar cascades were the tools you must not ignore for object detection. Even today, they are very useful object detectors because they are lightweight. In this post, you will learn about the Haar cascade and how it can detect objects. After completing this post, […]

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Training a Haar Cascade Object Detector in OpenCV

Using a Haar cascade classifier in OpenCV is simple. You just need to provide the trained model in an XML file to create the classifier. Training one from scratch, however, is not so straightforward. In this tutorial, you will see how the training should be like. In particular, you will…

December 10, 2023

In "AI/ML Research"

Semi-Supervised and Long-Tailed Object Detection with CascadeMatch

This paper focuses on long-tailed object detection in the semi-supervised learning setting, which poses realistic challenges, but has rarely been studied in the literature. We propose a novel pseudo-labeling-based detector called CascadeMatch. Our detector features a cascade network architecture, which has multi-stage detection heads with progressive confidence thresholds. To avoid…

June 13, 2023

In "FAANG"

How to Train a Object Detection Engine with HOG in OpenCV

In the previous post, you saw that OpenCV can extract features from an image using a technique called the Histogram of Oriented Gradients (HOG). In short, this is to convert a “patch” of an image into a numerical vector. This vector, if set up appropriately, can identify key features within…

November 18, 2023

In "AI/ML Research"

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Brad Pitt casts Elliot for Achilles – an Ai acting performance experiment

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AI/ML News

New light-based switch could cut chip energy use and speed future AI photonics

Photonic devices are hardware systems that can process information using light instead of electricity. These…

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Microsoft Lens First Tests: It’s Pretty Decent! – ComfyUI Native Support About to Be Merged

Model weights: https://huggingface.co/Comfy-Org/Lens PR: https://github.com/Comfy-Org/ComfyUI/pull/14077 You'll need to git the merge pull request if you're…

1 day ago