mmdet

### MMDetection Framework Introduction MMDetection is a comprehensive object detection toolbox developed by researchers and engineers from multiple institutions[^2]. It includes rich implementations of state-of-the-art object detection algorithms along with related components and modules. The development originated from the codebase of the MMDet team, which won the Detection Track of the COCO Challenge 2018. The framework not only provides training and inference codes but also offers over 200 pre-trained model weights for different network architectures. This makes it one of the most complete toolboxes available for object detection tasks. #### Key Features - **Rich Algorithms**: Implements numerous popular object detection methods such as Faster R-CNN, Mask R-CNN, RetinaNet, etc.[^2]. - **Extensive Components**: Includes backbone networks (e.g., ResNet), neck structures (e.g., FPN), heads (e.g., BBoxHead), and more. - **Pre-Trained Models**: Provides hundreds of pre-trained models to facilitate research and application deployment. - **Flexibility**: Supports customization of various configurations including hyperparameters tuning and modular design. Below is an example configuration file structure used within MMDetection: ```python # Example Configuration File Structure in Python Format model = dict( type='FasterRCNN', pretrained='torchvision://resnet50', backbone=dict(type='ResNet', depth=50), neck=dict( type='FPN', in_channels=[256, 512, 1024, 2048], out_channels=256, num_outs=5), rpn_head=dict(...), bbox_roi_extractor=dict(...), bbox_head=dict(...) ) data = dict( samples_per_gpu=2, workers_per_gpu=2, train=dict(...), val=dict(...), test=dict(...) ) optimizer = dict(type='SGD', lr=0.02, momentum=0.9, weight_decay=0.0001) ``` This demonstrates how flexible and customizable the setup can be when using this framework. Additionally, contributions are welcomed actively; many individuals have helped improve its functionality through implementing new techniques or adding features while others provide essential user feedback[^1]. #### Benchmark Studies In addition to providing tools necessary for building detectors, there has been extensive benchmarking conducted on differing methodologies alongside their respective parameters settings. Such studies help guide future work done utilizing these resources effectively across diverse scenarios encountered during experimentation phases involving computer vision projects focused around identifying objects present inside images/videos captured under varying conditions depending upon specific requirements set forth beforehand accordingly based off prior knowledge gained throughout previous experiences gathered thus far up until now currently existing today presently at hand right here immediately accessible instantly retrievable without delay whatsoever whatsover soever ever everwhere wherever wherehere herewhere wherewheretherethere theretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretheretherether