• Skip to primary navigation
  • Skip to main content
  • Skip to footer

PyImageSearch

You can master Computer Vision, Deep Learning, and OpenCV - PyImageSearch

  • University Login
  • Get Started
  • Topics
    • Deep Learning
    • Dlib Library
    • Embedded/IoT and Computer Vision
    • Face Applications
    • Image Processing
    • Interviews
    • Keras and TensorFlow
    • Machine Learning and Computer Vision
    • Medical Computer Vision
    • Optical Character Recognition (OCR)
    • Object Detection
    • Object Tracking
    • OpenCV Tutorials
    • Raspberry Pi
  • Books and Courses
  • AI & Computer Vision Programming
  • Reviews
  • Blog
  • Consulting
  • About
  • FAQ
  • Contact
  • University Login
Deep Learning
Object Detection
OpenCV Tutorials
Semantic Segmentation
Tutorials

OpenCV ‘dnn’ with NVIDIA GPUs: 1549% faster YOLO, SSD, and Mask R-CNN

February 10, 2020

In this tutorial, you’ll learn how to use OpenCV’s “dnn” module with an NVIDIA GPU for up to 1,549% faster object detection (YOLO and SSD) and instance segmentation (Mask R-CNN). Last week, we discovered how to configure and install OpenCV…

Read More of OpenCV ‘dnn’ with NVIDIA GPUs: 1549% faster YOLO, SSD, and Mask R-CNN

Deep Learning
OpenCV Tutorials
Tutorials

How to use OpenCV’s “dnn” module with NVIDIA GPUs, CUDA, and cuDNN

February 3, 2020

In this tutorial, you will learn how to use OpenCV’s “Deep Neural Network” (DNN) module with NVIDIA GPUs, CUDA, and cuDNN for 211-1549% faster inference. Back in August 2017, I published my first tutorial on using OpenCV’s “deep neural network”…

Read More of How to use OpenCV’s “dnn” module with NVIDIA GPUs, CUDA, and cuDNN

Deep Learning
OpenCV Tutorials
Tutorials

Human Activity Recognition with OpenCV and Deep Learning

November 25, 2019

In this tutorial you will learn how to perform Human Activity Recognition with OpenCV and Deep Learning. Our human activity recognition model can recognize over 400 activities with 78.4-94.5% accuracy (depending on the task). A sample of the activities can…

Read More of Human Activity Recognition with OpenCV and Deep Learning

Embedded/IoT and Computer Vision
IoT
OpenCV Tutorials
Raspberry Pi
Tutorials

Install OpenCV 4 on Raspberry Pi 4 and Raspbian Buster

September 16, 2019

In this tutorial, you will learn how to install OpenCV 4 on the Raspberry Pi 4 and Raspbian Buster. You will learn how to install OpenCV 4 on Raspbian Buster via both: A simple pip-install method (which can be completed…

Read More of Install OpenCV 4 on Raspberry Pi 4 and Raspbian Buster

Deep Learning
OpenCV Tutorials
Tutorials

Holistically-Nested Edge Detection with OpenCV and Deep Learning

March 4, 2019

In this tutorial, you will learn how to apply Holistically-Nested Edge Detection (HED) with OpenCV and Deep Learning. We’ll apply Holistically-Nested Edge Detection to both images and video streams, followed by comparing the results to OpenCV’s standard Canny edge detector.…

Read More of Holistically-Nested Edge Detection with OpenCV and Deep Learning

OpenCV Tutorials
Tutorials

Install OpenCV 4 on your Raspberry Pi

September 26, 2018

Today I’m going to show you how to compile and install OpenCV 4 on your Raspberry Pi. OpenCV 4 was officially released on November 20th, 2018. This blog post was updated subsequently on November 28th to accommodate the changes to…

Read More of Install OpenCV 4 on your Raspberry Pi

OpenCV Tutorials
Tutorials

Install OpenCV 4 on macOS

August 17, 2018

This tutorial provides step-by-step instructions to install OpenCV 4 (with Python bindings) on your macOS machine. OpenCV 4 was released on November 20th, 2018. I originally wrote this blog post when the alpha version was released, and it has now…

Read More of Install OpenCV 4 on macOS

OpenCV Tutorials
Tutorials

How to install OpenCV 4 on Ubuntu

August 15, 2018

In this tutorial you will learn how to install OpenCV 4 on your Ubuntu system. OpenCV 4 has been officially released as of 20 November 2018! So, why bother installing OpenCV 4? You may want to consider installing OpenCV 4…

Read More of How to install OpenCV 4 on Ubuntu

Tutorials

OpenCV Saliency Detection

July 16, 2018

Today’s tutorial is on saliency detection, the process of applying image processing and computer vision algorithms to automatically locate the most “salient” regions of an image. In essence, saliency is what “stands out” in a photo or scene, enabling your…

Read More of OpenCV Saliency Detection

You can learn Computer Vision, Deep Learning, and OpenCV.

Get your FREE 17 page Computer Vision, OpenCV, and Deep Learning Resource Guide PDF. Inside you’ll find our hand-picked tutorials, books, courses, and libraries to help you master CV and DL.


Footer

Topics

  • Deep Learning
  • Dlib Library
  • Embedded/IoT and Computer Vision
  • Face Applications
  • Image Processing
  • Interviews
  • Keras & Tensorflow
  • OpenCV Install Guides
  • Machine Learning and Computer Vision
  • Medical Computer Vision
  • Optical Character Recognition (OCR)
  • Object Detection
  • Object Tracking
  • OpenCV Tutorials
  • Raspberry Pi

Books & Courses

  • PyImageSearch University
  • FREE CV, DL, and OpenCV Crash Course
  • Practical Python and OpenCV
  • Deep Learning for Computer Vision with Python
  • PyImageSearch Gurus Course
  • Raspberry Pi for Computer Vision

PyImageSearch

  • Affiliates
  • Get Started
  • About
  • Consulting
  • Coaching
  • FAQ
  • YouTube
  • Blog
  • Contact
  • Privacy Policy

© 2025 PyImageSearch. All Rights Reserved.