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This repo contains code for Computer Vision, Deep learning, and AI articles shared on our blog LearnOpenCV.com.

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List of Blog Posts

Blog Post

| Moving Object Detection with OpenCV | Code | | Integrating ADAS with Keypoint Feature Pyramid Network for 3D LiDAR Object Detection | Code | | Mastering All YOLO Models from YOLOv1 to YOLO-NAS: Papers Explained (2024) | | | GradCAM: Enhancing Neural Network Interpretability in the Realm of Explainable AI | Code | | Text Summarization using T5: Fine-Tuning and Building Gradio App | Code | | 3D LiDAR Visualization using Open3D: A Case Study on 2D KITTI Depth Frames for Autonomous Driving | Code | | Fine Tuning T5: Text2Text Transfer Transformer for Building a Stack Overflow Tag Generator | Code | | SegFormer 🤗 : Fine-Tuning for Improved Lane Detection in Autonomous Vehicles | Code | | Fine-Tuning BERT using Hugging Face Transformers | Code | | YOLO-NAS Pose | Code | | BERT: Bidirectional Encoder Representations from Transformers | Code | | Comparing KerasCV YOLOv8 Models on the Global Wheat Data 2020 | Code | | Top 5 AI papers of September 2023 | | | Empowering Drivers: The Rise and Role of Advanced Driver Assistance Systems | | | Semantic Segmentation using KerasCV DeepLabv3+ | Code | | Object Detection using KerasCV YOLOv8 | Code | | Fine-tuning YOLOv8 Pose Models for Animal Pose Estimation | Code | | Top 5 AI papers of August 2023 | | | Fine Tuning TrOCR - Training TrOCR to Recognize Curved Text | Code | | TrOCR - Getting Started with Transformer Based OCR | Code | | Facial Emotion Recognition | Code | | Object Keypoint Similarity in Keypoint Detection | Code | | Real Time Deep SORT with Torchvision Detectors | Code | | Top 5 AI papers of July 2023 | | | Medical Image Segmentation | Code | | Weighted Boxes Fusion in Object Detection: A Comparison with Non-Maximum Suppression | Code | | Medical Multi-label Classification with PyTorch & Lightning | Code | | Getting Started with PaddlePaddle: Exploring Object Detection, Segmentation, and Keypoints | Code | | Drone Programming With Computer Vision A Beginners Guide | Code | | How to Build a Pip Installable Package & Upload to PyPi | | | IoU Loss Functions for Faster & More Accurate Object Detection | | | Exploring Slicing Aided Hyper Inference for Small Object Detection | Code | | Advancements in Face Recognition Models, Toolkit and Datasets | | | Train YOLO NAS on Custom Dataset | Code | | Train YOLOv8 Instance Segmentation on Custom Data | Code | | YOLO-NAS: New Object Detection Model Beats YOLOv6 & YOLOv8 | Code | | Segment Anything – A Foundation Model for Image Segmentation | Code | |Build a Video to Slides Converter Application using the Power of Background Estimation and Frame Differencing in OpenCV|Code| |A Closer Look at CVAT: Perfecting Your Annotations|YouTube| | ControlNet - Achieving Superior Image Generation Results | Code | | InstructPix2Pix - Edit Images With Prompts | Code | | NVIDIA Spring GTC 2023 Day 4: Ending on a High Note with Top Moments from the Finale! | | | NVIDIA Spring GTC 2023 Day 3: Digging deeper into Deep Learning, Semiconductors & more! | | | NVIDIA Spring GTC 2023 Day 2: Jensen’s keynote & the iPhone moment of AI is here! | | | NVIDIA Spring GTC 2023 Day 1: Welcome to the future! | | | NVIDIA GTC Spring 2023 Curtain Raiser | | | Stable Diffusion - A New Paradigm in Generative AI | Code | | OpenCV Face Recognition – Does Face Recognition Work on AI-Generated Images? | | |An In-Depth Guide to Denoising Diffusion Probabilistic Models – From Theory to Implementation|Code| |From Pixels to Paintings: The Rise of Midjourney AI Art| | |Mastering DALL·E 2: A Breakthrough in AI Art Generation| | |Top 10 AI Art Generation Tools using Diffusion Models| | |The Future of Image Recognition is Here: PyTorch Vision Transformer|Code| |Understanding Attention Mechanism in Transformer Neural Networks|Code| | Deploying a Deep Learning Model using Hugging Face Spaces and Gradio | Code | | Train YOLOv8 on Custom Dataset – A Complete Tutorial | Code | | Introduction to Diffusion Models for Image Generation | Code | | Building An Automated Image Annotation Tool: PyOpenAnnotate | Code | | Ultralytics YOLOv8: State-of-the-Art YOLO Models | Code | | Getting Started with YOLOv5 Instance Segmentation | Code | |The Ultimate Guide To DeepLabv3 - With PyTorch Inference|Code| |AI Fitness Trainer using MediaPipe: Squats Analysis|Code| |YoloR - Paper Explanation & Inference -An In-Depth Analysis|Code| |Roadmap To an Automated Image Annotation Tool Using Python|Code| |Performance Comparison of YOLO Object Detection Models – An Intensive Study|| |FCOS - Anchor Free Object Detection Explained|Code| | YOLOv6 Custom Dataset Training – Underwater Trash Detection | Code | |What is EXIF Data in Images?|Code| |t-SNE: T-Distributed Stochastic Neighbor Embedding Explained|Code| |CenterNet: Objects as Points – Anchor-free Object Detection Explained|Code| |YOLOv7 Pose vs MediaPipe in Human Pose Estimation|Code| |YOLOv6 Object Detection – Paper Explanation and Inference|Code| |YOLOX Object Detector Paper Explanation and Custom Training|Code| |Driver Drowsiness Detection Using Mediapipe In Python|Code| |GTC 2022 Big Bang AI announcements: Everything you need to know|| |NVIDIA GTC 2022 : The most important AI event this Fall|| |Object Tracking and Reidentification with FairMOT | Code | |What is Face Detection? – The Ultimate Guide for 2022 | Code | |Document Scanner: Custom Semantic Segmentation using PyTorch-DeepLabV3|Code| |Fine Tuning YOLOv7 on Custom Dataset|Code| |Center Stage for Zoom Calls using MediaPipe|Code| |Mean Average Precision (mAP) in Object Detection|| |YOLOv7 Object Detection Paper Explanation and Inference|Code| |Pothole Detection using YOLOv4 and Darknet|Code| |Automatic Document Scanner using OpenCV|Code| |Demystifying GPU architectures for deep learning: Part 2|Code| |Demystifying GPU Architectures For Deep Learning|Code| |Intersection-over-Union(IoU)-in-Object-Detection-and-Segmentation|Code| |Understanding Multiple Object Tracking using DeepSORT|Code| |Optical Character Recognition using PaddleOCR|Code| |Gesture Control in Zoom Call using Mediapipe|Code| |A Deep Dive into Tensorflow Model Optimization|Code| |DepthAI Pipeline Overview: Creating a Complex Pipeline|Code| |TensorFlow Lite Model Maker: Create Models for On-Device Machine Learning|Code| |TensorFlow Lite: Model Optimization for On Device Machine Learning|Code| |Object detection with depth measurement using pre-trained models with OAK-D|Code| |Custom Object Detection Training using YOLOv5|Code| |Object Detection using Yolov5 and OpenCV DNN (C++/Python)|Code| |Create Snapchat/Instagram filters using Mediapipe|Code| |AUTOSAR C++ compliant deep learning inference with TensorRT|Code| |NVIDIA GTC 2022 Day 4 Highlights: Meet the new Jetson Orin|| |NVIDIA GTC 2022 Day 3 Highlights: Deep Dive into Hopper architecture|| |NVIDIA GTC 2022 Day 2 Highlights: Jensen’s Keynote|| |NVIDIA GTC 2022 Day 1 Highlights: Brilliant Start|| |Automatic License Plate Recognition using Python|Code| |Building a Poor Body Posture Detection and Alert System using MediaPipe|Code| |Introduction to MediaPipe|Code| |Disparity Estimation using Deep Learning|Code| |How to build Chrome Dino game bot using OpenCV Feature Matching|Code| |Top 10 Sources to Find Computer Vision and AI Models|| |Multi-Attribute and Graph-based Object Detection|| |Plastic Waste Detection with Deep Learning|Code| |Ensemble Deep Learning-based Defect Classification and Detection in SEM Images|| |Building Industrial embedded deep learning inference pipelines with TensorRT|Code| |Transfer Learning for Medical Images|| |Stereo Vision and Depth Estimation using OpenCV AI Kit|Code| |Introduction to OpenCV AI Kit and DepthAI|Code| |WeChat QR Code Scanner in OpenCV|Code| |AI behind the Diwali 2021 ‘Not just a Cadbury ad’| | |Model Selection and Benchmarking with Modelplace.AI|Model Zoo| |Real-time style transfer in a zoom meeting|Code| | Introduction to OpenVino Deep Learning Workbench | Code | | Running OpenVino Models on Intel Integrated GPU | Code | |Post Training Quantization with OpenVino Toolkit|Code| |Introduction to Intel OpenVINO Toolkit|| |Human Action Recognition using Detectron2 and LSTM|Code| |Pix2Pix:Image-to-Image Translation in PyTorch & TensorFlow|Code| |Conditional GAN (cGAN) in PyTorch and TensorFlow|Code| |Deep Convolutional GAN in PyTorch and TensorFlow|Code| |Introduction to Generative Adversarial Networks (GANs)|Code| |Human Pose Estimation using Keypoint RCNN in PyTorch|Code| |Non Maximum Suppression: Theory and Implementation in PyTorch|Code| |MRNet – The Multi-Task Approach| Code | |Generative and Discriminative Models| | |Playing Chrome's T-Rex Game with Facial Gestures| Code | |Variational Autoencoder in TensorFlow| Code | |Autoencoder in TensorFlow 2: Beginner’s Guide| Code | |Deep Learning with OpenCV DNN Module: A Definitive Guide| Code | |Depth perception using stereo camera (Python/C++)| Code | |Contour Detection using OpenCV (Python/C++)| Code | |Super Resolution in OpenCV| Code | |Improving Illumination in Night Time Images| Code | |Video Classification and Human Activity Recognition | Code | |How to use OpenCV DNN Module with Nvidia GPU on Windows | Code | |How to use OpenCV DNN Module with NVIDIA GPUs | Code | |Code OpenCV in Visual Studio | | |Install OpenCV on Windows – C++ / Python | Code | |Face Recognition with ArcFace | Code| |Background Subtraction with OpenCV and BGS Libraries | Code | |RAFT: Optical Flow estimation using Deep Learning|Code| |Making A Low-Cost Stereo Camera Using OpenCV|Code| |Optical Flow in OpenCV (C++/Python)|Code| |Introduction to Epipolar Geometry and Stereo Vision|Code| |Classification With Localization: Convert any keras Classifier to a Detector | Code | |Photoshop Filters in OpenCV|Code| |Tetris Game using OpenCV Python|Code| |Image Classification with OpenCV for Android | Code | |Image Classification with OpenCV Java|Code | |PyTorch to Tensorflow Model Conversion | Code | |Snake Game with OpenCV Python|Code | |Stanford MRNet Challenge: Classifying Knee MRIs|Code | |Experiment Logging with TensorBoard and wandb|Code | |Understanding Lens Distortion|Code | |Image Matting with state-of-the-art Method “F, B, Alpha Matting”|Code | |Bag Of Tricks For Image Classification - Let's check if it is working or not|Code | |Getting Started with OpenCV CUDA Module|Code | |Training a Custom Object Detector with DLIB & Making Gesture Controlled Applications|Code | |How To Run Inference Using TensorRT C++ API | Code | |Using Facial Landmarks for Overlaying Faces with Medical Masks|Code | |Tensorboard with PyTorch Lightning|Code | |Otsu's Thresholding with OpenCV|Code | |PyTorch-to-CoreML-model-conversion | Code | |Playing Rock, Paper, Scissors with AI | Code | |CNN Receptive Field Computation Using Backprop with TensorFlow|Code| |CNN Fully Convolutional Image Classification with TensorFlow | Code | |How to convert a model from PyTorch to TensorRT and speed up inference | Code | |Efficient image loading|Code | |Graph Convolutional Networks: Model Relations In Data|Code| |Getting Started with Federated Learning with PyTorch and PySyft|Code| |Creating a Virtual Pen & Eraser | Code | |Getting Started with PyTorch Lightning|Code| |Multi-Label Image Classification with PyTorch: Image Tagging|Code| |Funny Mirrors Using OpenCV|code| |t-SNE for ResNet feature visualization|Code| |Multi-Label Image Classification with Pytorch|Code| |CNN Receptive Field Computation Using Backprop|Code| |CNN Receptive Field Computation Using Backprop with TensorFlow|Code| |Augmented Reality using AruCo Markers in OpenCV(C++ and Python) |Code| |Fully Convolutional Image Classification on Arbitrary Sized Image|Code| |Camera Calibration using OpenCV |Code| |Geometry of Image Formation || |Ensuring Training Reproducibility in Pytorch || |Gaze Tracking || |Simple Background Estimation in Videos Using OpenCV | Code| |Applications of Foreground-Background separation with Semantic Segmentation | Code | |EfficientNet: Theory + Code | Code | |PyTorch for Beginners: Mask R-CNN Instance Segmentation with PyTorch | Code | |PyTorch for Beginners: Faster R-CNN Object Detection with PyTorch | Code | |PyTorch for Beginners: Semantic Segmentation using torchvision | Code | |PyTorch for Beginners: Comparison of pre-trained models for Image Classification | Code | |PyTorch for Beginners: Basics | Code | |PyTorch Model Inference using ONNX and Caffe2 | Code | |Image Classification Using Transfer Learning in PyTorch | Code | |Hangman: Creating games in OpenCV | Code | |Image Inpainting with OpenCV (C++/Python) | Code | |Hough Transform with OpenCV (C++/Python) | Code | |Xeus-Cling: Run C++ code in Jupyter Notebook | Code | |Gender & Age Classification using OpenCV Deep Learning ( C++/Python ) | Code | |Invisibility Cloak using Color Detection and Segmentation with OpenCV | Code | |Fast Image Downloader for Open Images V4 (Python) | Code | |Deep Learning based Text Detection Using OpenCV (C++/Python) | Code | |Video Stabilization Using Point Feature Matching in OpenCV | Code | |Training YOLOv3 : Deep Learning based Custom Object Detector | Code | |Using OpenVINO with OpenCV | Code | |Duplicate Search on Quora Dataset | Code | |Shape Matching using Hu Moments (C++/Python) | Code | |Install OpenCV 4 on CentOS (C++ and Python) | Code | |Install OpenCV 3.4.4 on CentOS (C++ and Python) | Code | |Install OpenCV 3.4.4 on Red Hat (C++ and Python) | Code | |Install OpenCV 4 on Red Hat (C++ and Python) | Code | |Install OpenCV 4 on macOS (C++ and Python) | Code | |Install OpenCV 3.4.4 on Raspberry Pi | Code | |Install OpenCV 3.4.4 on macOS (C++ and Python) | Code | |OpenCV QR Code Scanner (C++ and Python) | Code | |Install OpenCV 3.4.4 on Windows (C++ and Python) | Code | |Install OpenCV 3.4.4 on Ubuntu 16.04 (C++ and Python) | Code | |Install OpenCV 3.4.4 on Ubuntu 18.04 (C++ and Python) | Code | |Universal Sentence Encoder | Code | |Install OpenCV 4 on Raspberry Pi | Code | |Install OpenCV 4 on Windows (C++ and Python) | Code | |Face Detection – Dlib, OpenCV, and Deep Learning ( C++ / Python )|Code| |Hand Keypoint Detection using Deep Learning and OpenCV | Code| |Deep learning based Object Detection and Instance Segmentation using Mask R-CNN in OpenCV (Python / C++) | Code | |Install OpenCV 4 on Ubuntu 18.04 (C++ and Python) | Code | |Install OpenCV 4 on Ubuntu 16.04 (C++ and Python) | Code | |Multi-Person Pose Estimation in OpenCV using OpenPose | Code | |Heatmap for Logo Detection using OpenCV (Python) | Code| |Deep Learning based Object Detection using YOLOv3 with OpenCV ( Python / C++ ) | Code| |Convex Hull using OpenCV in Python and C++ | Code| |MultiTracker : Multiple Object Tracking using OpenCV (C++/Python) | Code | |Convolutional Neural Network based Image Colorization using OpenCV | Code| |SVM using scikit-learn|Code| |GOTURN: Deep Learning based Object Tracking | Code| |Find the Center of a Blob (Centroid) using OpenCV (C++/Python) | Code| |Support Vector Machines (SVM)|Code| |Batch Normalization in Deep Networks | Code| |Deep Learning based Character Classification using Synthetic Dataset | Code| |Image Quality Assessment : BRISQUE| Code| |Understanding AlexNet|| |Deep Learning based Text Recognition (OCR) using Tesseract and OpenCV| Code| |Deep Learning based Human Pose Estimation using OpenCV ( C++ / Python )|Code| |Number of Parameters and Tensor Sizes in a Convolutional Neural Network (CNN)| | |How to convert your OpenCV C++ code into a Python module|Code| |CV4Faces : Best Project Award 2018| | |Facemark : Facial Landmark Detection using OpenCV|Code| |Image Alignment (Feature Based) using OpenCV (C++/Python)| Code| |Barcode and QR code Scanner using ZBar and OpenCV| Code| |Keras Tutorial : Fine-tuning using pre-trained models| Code| |OpenCV Transparent API| | |Face Reconstruction using EigenFaces (C++/Python)|Code | |Eigenface using OpenCV (C++/Python)| Code| |Principal Component Analysis| | |Keras Tutorial : Transfer Learning using pre-trained models| Code | |Keras Tutorial : Using pre-trained Imagenet models| Code | |Technical Aspects of a Digital SLR | | |Using Harry Potter interactive wand with OpenCV to create magic| | |Install OpenCV 3 and Dlib on Windows ( Python only )| | |Image Classification using Convolutional Neural Networks in Keras | Code| |Understanding Autoencoders using Tensorflow (Python) | Code| |Best Project Award : Computer Vision for Faces | | |Understanding Activation Functions in Deep Learning | | |Image Classification using Feedforward Neural Network in Keras | Code| |Exposure Fusion using OpenCV (C++/Python) | Code| |Understanding Feedforward Neural Networks | | |High Dynamic Range (HDR) Imaging using OpenCV (C++/Python) | Code| |Deep learning using Keras – The Basics | Code| |Selective Search for Object Detection (C++ / Python) | Code | |Installing Deep Learning Frameworks on Ubuntu with CUDA support | | |Parallel Pixel Access in OpenCV using forEach | Code | |cvui: A GUI lib built on top of OpenCV drawing primitives | Code | |Install Dlib on Windows | | |Install Dlib on Ubuntu | | |Install OpenCV3 on Ubuntu | | |Read, Write and Display a video using OpenCV ( C++/ Python ) | Code | |Install Dlib on MacOS | | |Install OpenCV 3 on MacOS | | |Install OpenCV 3 on Windows | | |Get OpenCV Build Information ( getBuildInformation ) | | |Color spaces in OpenCV (C++ / Python) | Code| |Neural Networks : A 30,000 Feet View for Beginners | | |Alpha Blending using OpenCV (C++ / Python) | Code | |User stories : How readers of this blog are applying their knowledge to build applications | | |How to select a bounding box ( ROI ) in OpenCV (C++/Python) ? | | |Automatic Red Eye Remover using OpenCV (C++ / Python) | Code | |Bias-Variance Tradeoff in Machine Learning | | |Embedded Computer Vision: Which device should you choose? | | |Object Tracking using OpenCV (C++/Python) | Code | |Handwritten Digits Classification : An OpenCV ( C++ / Python ) Tutorial | Code | |Training a better Haar and LBP cascade based Eye Detector using OpenCV | | |Deep Learning Book Gift Recipients | | |Minified OpenCV Haar and LBP Cascades | Code| |Deep Learning Book Gift | | |Histogram of Oriented Gradients | | |Image Recognition and Object Detection : Part 1 | | |Head Pose Estimation using OpenCV and Dlib | Code | |Live CV : A Computer Vision Coding Application | | |Approximate Focal Length for Webcams and Cell Phone Cameras | | |Configuring Qt for OpenCV on OSX | Code | |Rotation Matrix To Euler Angles | Code | |Speeding up Dlib’s Facial Landmark Detector | | |Warp one triangle to another using OpenCV ( C++ / Python ) | Code | |Average Face : OpenCV ( C++ / Python ) Tutorial | Code | |Face Swap using OpenCV ( C++ / Python ) | Code | |Face Morph Using OpenCV — C++ / Python | Code | |Deep Learning Example using NVIDIA DIGITS 3 on EC2 | | |NVIDIA DIGITS 3 on EC2 | | |Homography Examples using OpenCV ( Python / C ++ ) | Code | |Filling holes in an image using OpenCV ( Python / C++ ) | Code | |How to find frame rate or frames per second (fps) in OpenCV ( Python / C++ ) ? | Code | |Delaunay Triangulation and Voronoi Diagram using OpenCV ( C++ / Python) | Code | |OpenCV (C++ vs Python) vs MATLAB for Computer Vision | | |Facial Landmark Detection | | |Why does OpenCV use BGR color format ? | | |Computer Vision for Predicting Facial Attractiveness | Code | |applyColorMap for pseudocoloring in OpenCV ( C++ / Python ) | Code | |Image Alignment (ECC) in OpenCV ( C++ / Python ) | Code | |How to find OpenCV version in Python and C++ ? | | |Baidu banned from ILSVRC 2015 | | |OpenCV Transparent API | | |How Computer Vision Solved the Greatest Soccer Mystery of All Time | | |Embedded Vision Summit 2015 | | |Read an Image in OpenCV ( Python, C++ ) | Code | |Non-Photorealistic Rendering using OpenCV ( Python, C++ ) | Code | |Seamless Cloning using OpenCV ( Python , C++ ) | Code | |OpenCV Threshold ( Python , C++ ) | Code | |Blob Detection Using OpenCV ( Python, C++ ) | Code | |Turn your OpenCV Code into a Web API in under 10 minutes — Part 1 | | |How to compile OpenCV sample Code ? | | |Install OpenCV 3 on Yosemite ( OSX 10.10.x ) | |