liuliu/ccv
Ccv
ccv is a computer vision library written in C designed for high-performance visual analysis. It serves as a framework for image classification, object detection, and the identification of faces, pedestrians, and vehicles.
The library distinguishes itself through hardware-accelerated vision and deep learning inference optimizations. It utilizes a quantized tensor processor to transform floating-point data into eight-bit integers and implements integer-quantized attention mechanisms to reduce memory bandwidth and increase data throughput.
The project covers a broad range of capabilities, including object tracking, feature point extraction, and image preprocessing workflows with result-caching. It also provides neural network primitives such as layer normalization and numerically stable activation functions.
Features
- GPU Accelerated Computer Vision - Provides a high-performance vision framework that offloads visual computations to graphics processors for increased throughput.
- Computer Vision Libraries - Provides a comprehensive collection of image processing and visual analysis tools implemented in C.
- Face Detection - Identifies human faces in images using specialized detection algorithms.
- Object Detection - Identifies and locates specific visual patterns such as pedestrians, vehicles, and text using specialized algorithms.
- Hardware Acceleration Kernels - Implements optimized computational kernels that offload intensive mathematical operations to graphics processors.
- Image Classification - Assigns category labels to images by analyzing visual characteristics to determine the primary object or scene.
- Object Tracking - Maintains the identity and position of specific objects across sequential video frames over long-term periods.
- C Implementations - Provides a high-performance core implementation written in C for minimal runtime overhead during visual analysis.
- Attention Mechanisms - Calculates scaled dot-product attention using optimized kernels for varying sequence lengths and memory paths.
- Integer Quantized Attention - Utilizes eight-bit integer precision for attention mechanisms to increase data throughput and reduce memory bandwidth.
- Deep Learning Optimization - Optimizes deep learning inference by implementing quantized attention mechanisms and stable activation functions.
- Quantization Methods - Transforms floating-point tensors into signed eight-bit integers using scaling methods to optimize memory bandwidth.
- Visual Data Quantization - Implements a quantized tensor processor that transforms floating-point visual data into eight-bit integers to reduce memory bandwidth.
- Video Object Tracking - Tracks objects across video frames over time while extracting keypoints for alignment and structure analysis.
- Feature Point Localization - Identifies distinct keypoints in images for use in matching, alignment, and structural analysis.
- Result Caching - Stores intermediate processed image data to avoid repeating expensive transformations across multiple operations.
- Processed Image Caching - Caches redundant image operations and normalizes data layers to prevent repeating expensive computations.
- Stable Numerical Formulations - Uses stable mathematical approximations for activation functions to prevent precision loss on graphics hardware.
- Fused Operation Pipelines - Implements fused-operation pipelines to minimize memory access and increase processing speed for mathematical vision tasks.
- Computer Vision - Modern computer vision library with caching and core vision support.
- Machine Learning - Modern C-based computer vision library.
- Machine Learning and AI - Modern computer vision library with a C core.
- Machine Learning Frameworks - Modern computer vision library in C.
- Build Systems - A modern computer vision library with caching mechanisms.
- Vision Software Libraries - Modern computer vision library for C.
Star history
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