learnopencv

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learnopencv 是一个专注于计算机视觉、深度学习与人工智能领域的开源代码库，旨在将复杂的技术理论转化为可运行的 C++ 和 Python 实战示例。它紧密配合 LearnOpenCV.com 博客的技术文章，为读者提供从基础概念到前沿应用的完整代码实现。

面对 AI 技术迭代快、论文复现难的问题，learnopencv 提供了经过验证的落地方案，帮助用户跨越从“读懂原理”到“写出代码”的鸿沟。无论是实时目标检测（如最新的 YOLO26、RF-DETR）、多目标跟踪、人脸隐私保护，还是大模型部署（如 Jetson 边缘计算、vLLM 服务）、3D 重建（SAM 3D、高斯泼溅）以及 RAG 检索增强生成等热门方向，这里都能找到对应的演示项目。

该资源特别适合开发者、算法研究人员及 AI 学习者使用。对于希望提升工程能力的程序员，它提供了生产级的参考架构；对于科研人员，它是快速验证新想法的试验田；对于初学者，则是循序渐进掌握 OpenCV 与深度学习框架的最佳实践指南。通过涵盖从传统图像处理到大模型应用的全栈内容，learnopencv 致力于让每个人都能轻松上手并精通 AI 开发。

使用场景

某智慧零售团队正致力于开发一套实时顾客行为分析系统，需要在边缘设备上精准追踪多人动线并自动模糊人脸以符合隐私法规。

没有 learnopencv 时

  • 开发者需从零复现复杂的 YOLO26 或 RF-DETR 算法，耗费数周调试实例分割与实时检测的代码兼容性。
  • 面对多目标追踪场景，缺乏成熟的 Roboflow 追踪器集成示例，导致人员身份频繁切换，数据准确率极低。
  • 为满足隐私合规，手动编写基于 YuNet 的人脸模糊逻辑效率低下，且难以在 Jetson 等边缘端实现低延迟推理。
  • 遇到模型部署瓶颈（如 NMS 后处理耗时）时，缺乏官方优化的无 NMS 推理方案，系统帧率无法达到实时要求。

使用 learnopencv 后

  • 直接调用仓库中经过验证的 YOLO26 和 RF-DETR 演示代码，半天内即可跑通像素级实例分割功能，大幅缩短研发周期。
  • 复用现成的 Roboflow 追踪器集成脚本，轻松实现稳定流畅的多目标轨迹跟踪，无需担心算法底层实现细节。
  • 利用内置的 OpenCV YuNet 人脸模糊模块，快速部署实时的隐私保护功能，确保系统在采集瞬间即完成脱敏处理。
  • 借鉴 YOLO26 无 NMS 推理及 Jetson 端 LLM 部署的最佳实践，成功将系统延迟降低 40%，在边缘设备上实现丝滑运行。

learnopencv 通过提供生产级的代码范例与前沿算法落地指南，让开发者从重复造轮子中解放出来，专注于业务逻辑的创新与交付。

运行环境要求

操作系统
  • 未说明
GPU
  • 部分项目（如 LLM 服务、VLM、3D 重建）需要 NVIDIA GPU，具体显存需求视模型而定（通常建议 8GB+），CUDA 版本未明确指定
  • 部分项目支持边缘设备（如 Jetson Nano/Orin）或 Arduino
内存

未说明（大型模型训练或推理通常建议 16GB+）

依赖
notes该仓库是多个独立教程和演示代码的集合，并非单一工具，因此不同子目录（如 YOLO26、vLLM 部署、SAM-3 等）的环境需求差异巨大。部分项目专为边缘设备（NVIDIA Jetson）或微控制器（Arduino）设计。运行特定项目前，请务必查阅对应子目录下的具体要求或关联博客文章。
python未说明
opencv-python
torch
transformers
ultralytics
vllm
langgraph
accelerate
roboflow
learnopencv hero image

快速开始

LearnOpenCV

此仓库包含我们在博客 LearnOpenCV.com 上分享的计算机视觉、深度学习和人工智能研究文章的代码。

想成为人工智能专家吗？OpenCV 人工智能课程 是一个很好的起点。

博客文章列表

Blog Post Code
RF-DETR Segmentation: Real-Time Detection & Instance Segmentation Guide Code
YOLO26 Instance Segmentation: Pixel-Perfect AI at Real-Time Speed Code
Multi-Object Tracking with Roboflow Trackers and OpenCV Code
Real-Time Face Blur and Pixelation with OpenCV YuNet Code
Breaking the Bottleneck: Achieving Native NMS-Free Inference with YOLO26 Code
YOLOv26: An Object Detector Built for Real-Time Deployment Code
Beyond Transformers: A Deep Dive into HOPE
Serving SGLang: Launch a Production-Style Server
Deployment on Edge: LLM Serving on Jetson using vLLM Code
Nested Learning: Is Deep Learning Architecture an Illusion?
How to Build a GitHub Code-Analyser Agent for Developer Productivity Code
The Existential Problems in LLM Serving
SAM 3D: Foundation Model for Single-Image 3D Reconstruction
SAM-3: What’s New, How It Works, and Why It Matters Code
Image-GS: Adaptive Image Reconstruction using 2D Gaussians Code
Ultimate Guide to Vector Databases and RAG Pipeline Code
What Makes DeepSeek OCR So Powerful Code
2D Gaussian Splatting: Geometrically Accurate Radiance Field Reconstruction Code
TRM: Tiny Recursive Models Code
Deploying ML Models on Arduino: From Blink to Think Code
VideoRAG: Redefining Long-Context Video Comprehension
AI Agent in Action: Automating Desktop Tasks with VLMs Code
Top VLM Evaluation Metrics for Optimal Performance Analysis Code
Getting Started with VLM on Jetson Nano Code
VLM on Edge: Worth the Hype or Just a Novelty? Code
AnomalyCLIP : Harnessing CLIP for Weakly-Supervised Video Anomaly Recognition Code
AI_for_Video_Understanding_From_Content_Moderation_to_Summarization Code
Video-RAG: Training-Free Retrieval for Long-Video LVLMs Code
Object Detection and Spatial Understanding with VLMs ft. Qwen2.5-VL Code
LangGraph: Building Self-Correcting RAG Agent for Code Generation Code
Inside Sinusoidal Position Embeddings: A Sense of Order Code
Inside RoPE: Rotary Magic into Position Embeddings Code
SimLingo-Vision-Language-Action-Model-for-Autonomous-Driving Code
FineTuning Gemma 3n for Medical VQA on ROCOv2 Code
SmolLM3 Blueprint: SOTA 3B-Parameter LLM
LangGraph-A-Visual-Automation-and-Summarization-Pipeline Code
Fine-Tuning AnomalyCLIP: Class-Agnostic Zero-Shot Anomaly Detection Code
SigLIP 2: DeepMind’s Multilingual Vision-Language Model
MedGemma: Google’s Medico VLM for Clinical QA, Imaging, and More Code
Nanonets-OCR-s: Enabling Rich, Structured Markdown for Document Understanding
Optimizing VJEPA-2: Tackling Latency & Context in Real-Time Video Classification Scripts Code
V-JEPA 2: Meta’s Breakthrough in AI for the Physical World Code
NVIDIA Cosmos Reason1: Video Understanding Code
GR00T N1.5 Explained
LLaVA Code
SmolVLA: Affordable & Efficient VLA Robotics on Consumer GPUs Code
Fine-Tuning Grounding DINO: Open-Vocabulary Object Detection Code
Getting Started with Qwen3 – The Thinking Expert Code
Inside the GPU: A Comprehensive Guide to Modern Graphics Architecture
Distributed Parallel Training: PyTorch Code
MONAI: The Definitive Framework for Medical Imaging Powered by PyTorch
SANA-Sprint: The One-Step Revolution in High-Quality AI Image Synthesis
FramePack-Video-Diffusion-but-feels-like-Image-Diffusion Code
Model Weights File Formats in Machine Learning
Unsloth: A Guide from Basics to Fine-Tuning Vision Models Code
Iterative Closest Point (ICP) Algorithm Explained Code
MedSAM2 Explained: One Prompt to Segment Anything in Medical Imaging Code
Batch Normalization and Dropout as Regularizers
DINOv2_by_Meta_A_Self-Supervised_foundational_vision_model Code
Beginner's Guide to Embedding Models
MASt3R-SLAM: Real-Time Dense SLAM with 3D Reconstruction Priors Code
Google's A2A Protocol
Nvidia SANA : Faster Image Generation
Fine-tuning RF-DETR Code
Qwen2.5-Omni: A Real-Time Multimodal AI
Vision Language Action Models: Robotic Control Code
Fine-Tuning Gemma 3 VLM using QLoRA for LaTeX-OCR Dataset Code
ComfyUI Code
Gemma-3: A Comprehensive Introduction
YOLO11 on Raspberry Pi: Optimizing Object Detection for Edge Devices Code
VGGT: Visual Geometry Grounded Transformer – For Dense 3D Reconstruction Code
DDIM: The Faster, Improved Version of DDPM for Efficient AI Image Generation Code
Introduction to Model Context Protocol (MCP)
MASt3R and MASt3R-SfM Explanation: Image Matching and 3D Reconstruction Code
MatAnyone Explained: Consistent Memory for Better Video Matting Code
GraphRAG: For Medical Document Analysis Code
OmniParser: Vision Based GUI Agent
Fine-Tuning-YOLOv12-Comparison-With-YOLOv11-And-YOLOv7-Based-Darknet Code
FineTuning RetinaNet for Wildlife Detection with PyTorch: A Step-by-Step Tutorial Code
DUSt3R: Geometric 3D Vision Made Easy : Explanation and Results Code
YOLOv12: Attention Meets Speed Code
Video Generation: A Diffusion based approach Code
Agentic AI: A Comprehensive Introduction Code
Finetuning SAM2 for Leaf Disease Segmentation Code
Object Insertion in Gaussian Splatting: Paper Explained and Training Code for MCMC and Bilateral Grid Code
Depth Pro: Sharp Monocular Metric Depth Code
Fine-tuning-Stable-Diffusion-3_5-UI-images Code
SimSiam: Streamlining SSL with Stop-Gradient Mechanism Code
Image Captioning using ResNet and LSTM Code
Molmo VLM: Paper Explanation and Demo Code
3D Gaussian Splatting Paper Explanation: Training Custom Datasets with NeRF-Studio Gsplats Code
FLUX Image Generation: Experimenting with the Parameters Code
Contrastive-Learning-SimCLR-and-BYOL(With Code Example) Code
The Annotated NeRF : Training on Custom Dataset from Scratch in Pytorch Code
Stable Diffusion 3 and 3.5: Paper Explanation and Inference Code
LightRAG - Legal Document Analysis Code
NVIDIA AI Summit 2024 – India Overview
Introduction to Speech to Speech: Most Efficient Form of NLP Code
Training 3D U-Net for Brain Tumor Segmentation (BraTS-GLI) Code
DETR: Overview and Inference Code
YOLO11: Faster Than You Can Imagine! Code
Exploring DINO: Self-Supervised Transformers for Road Segmentation with ResNet50 and U-Net Code
Sapiens: Foundation for Human Vision Models by Meta Code
Multimodal RAG with ColPali and Gemini Code
Building Autonomous Vehicle in Carla: Path Following with PID Control & ROS 2 Code
Handwritten Text Recognition using OCR Code
Training CLIP from Sratch for Image Retrieval Code
Introduction to LiDAR SLAM: LOAM and LeGO-LOAM Paper and Code Explanation with ROS 2 Implementation Code
Recommendation System using Vector Search Code
Fine Tuning Whisper on Custom Dataset Code
SAM 2 – Promptable Segmentation for Images and Videos Code
Introduction to Feature Matching Using Neural Networks Code
Introduction to ROS2 (Robot Operating System 2): Tutorial on ROS2 Working, DDS, ROS1 RMW, Topics, Nodes, Publisher, Subscriber in Python Code
CVPR 2024 Research Papers - Part- 2 Code
CVPR 2024: An Overview and Key Papers Code
Object Detection on Edge Device - OAK-D-Lite Code
Fine-Tuning YOLOv10 Models on Custom Dataset Code
ROS2 and Carla Setup Guide for Ubuntu 22.04
Understanding Visual SLAM for Robotics Perception: Building Monocular SLAM from Scratch in Python Code
Enhancing Image Segmentation using U2-Net: An Approach to Efficient Background Removal Code
YOLOv10: The Dual-Head OG of YOLO Series Code
Fine-tuning Faster R-CNN on Sea Rescue Dataset Code
Mastering Recommendation System: A Complete Guide
Automatic Speech Recognition with Diarization : Speech-to-Text Code
Building MobileViT Image Classification Model from Scratch In Keras 3 Code
SDXL Inpainting: Fusing Image Inpainting with Stable Diffusion Code
YOLOv9 Instance Segmentation on Medical Dataset Code
A Comprehensive Guide to Robotics
Integrating Gradio with OpenCV DNN Code
Fine-Tuning YOLOv9 on Custom Dataset Code
Dreambooth using Diffusers Code
Introduction to Hugging Face Diffusers Code
Introduction to Ultralytics Explorer API Code
YOLOv9: Advancing the YOLO Legacy Code
Fine-Tuning LLMs using PEFT Code
Depth Anything: Accelerating Monocular Depth Perception Code
Deciphering LLMs: From Transformers to Quantization Code
YOLO Loss Function Part 2: GFL and VFL Loss Code
YOLOv8-Object-Tracking-and-Counting-with-OpenCV Code
Stereo Vision in ADAS: Pioneering Depth Perception Beyond LiDAR Code
YOLO Loss Function Part 1: SIoU and Focal Loss Code
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 )

版本历史

RF_DETR_Segmentation2026/04/07
YOLO26_Keypoint_Estimation2026/04/16
Colorization2026/03/18
Roboflow_Trackers2026/03/17

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