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Computer Vision APIs

Image recognition, object detection and segmentation APIs and libraries.

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Computer Vision APIs

Ultralytics YOLO

Open-source YOLO models and Python package for real-time object detection, segmentation, pose estimation and tracking.

FreeNo authOpen Source

Azure AI Vision

Microsoft's image analysis API for captions, tags, object detection, OCR and smart cropping.

Free tierAPI key

Roboflow Inference

Open-source inference server and serverless API for running object detection, segmentation and classification models on cloud or edge devices.

Free tierAPI keyOpen Source

OpenCV

The widely used open-source computer vision library for image processing, feature detection, video analysis and camera calibration.

FreeNo authOpen Source

API4AI

Cloud image processing APIs for object detection, brand and logo recognition, face analysis, background removal and more.

Free tierAPI key

Segment Anything (SAM 2)

Meta's open promptable segmentation model that cuts out objects in images and tracks them across video frames.

FreeNo auth

Face++

Face detection, comparison, landmark and attribute analysis APIs, plus body and image recognition endpoints.

Free tierAPI key

MediaPipe

Google's cross-platform framework of on-device vision solutions such as face, hand and pose landmarking, object detection and segmentation.

FreeNo auth

Detectron2

Meta's PyTorch library for object detection, instance and panoptic segmentation, and keypoint detection.

FreeNo authOpen Source

Ximilar

Image recognition and visual search API with custom classifiers, fashion tagging and collectibles recognition.

Free tierAPI key

Nyckel

API for training and serving custom image classification and detection models from a handful of labeled examples.

Free tierAPI key

Supervision

Roboflow's open-source Python toolkit for drawing detections, counting objects, tracking and zone analytics on top of any vision model.

FreeNo authOpen Source

Kornia

Differentiable computer vision library for PyTorch covering geometric transforms, augmentation, feature matching and filtering.

FreeNo auth

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