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Object Detection Frameworks

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YOLO (You Only Look Once)

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Real-time object detection system, single neural network predicts bounding boxes and class probabilities directly from full images, high speed with reasonable accuracy.

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Fast R-CNN

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Improves upon the original R-CNN by sharing computation for different region proposals, uses ROI pooling to extract features, faster and more efficient than R-CNN.

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Mask R-CNN

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Extension of Faster R-CNN with pixel-level segmentation, provides high-quality object instance segmentation, more computationally expensive.

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MobileNets

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Lightweight deep neural networks for mobile and embedded vision applications, use depthwise separable convolutions for efficient performance, suitable for real-time object detection on mobile devices.

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SSD (Single Shot MultiBox Detector)

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Method for detecting objects in images using a single deep neural network, performs well on various object sizes, balances speed and accuracy.

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EfficientDet

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Scalable and efficient object detection model, uses a compound scaling method, achieves higher accuracy with fewer parameters and FLOPS compared to previous models.

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Anchor-Free Object Detection

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A category of methods that remove the need for predefined anchor boxes, detects object centers and directly regresses to bounding boxes, simplifies the detection pipeline.

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RetinaNet

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Employs a focal loss function to address class imbalance during training, achieves a good balance between speed and accuracy, can detect objects at multiple scales.

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RCNN (Regions with Convolutional Neural Networks)

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First framework to apply a deep neural network to object detection, highly accurate but slow due to the separate region proposal and detection stages.

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Faster R-CNN

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An advanced version of R-CNN, uses Region Proposal Networks (RPN) to generate potential bounding boxes in an image and to classify the objects, slower but more accurate than YOLO or SSD.

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