Itbanque/bjj

该数据集包含标注的图像，用于巴西柔术（BJJ）的各种姿势，如防守、骑乘、侧控、龟式、摔跤和站立等。每个注释提供了类别标签、边界框和COCO风格的关节点。数据集已预先分为训练集（80%）、验证集（10%）和测试集（10%），每个类别在所有数据集中按比例分布。每个样本包含以下字段：图像路径、文件名、图像唯一标识符、注释唯一标识符、类别ID、类别名称、关节点、边界框、是否为拥挤标注的标志和边界框区域。

This dataset contains annotated images for various Brazilian Jiu-Jitsu (BJJ) positions such as guard, mount, side control, turtle, takedown, and standing. Each annotation provides category labels, bounding boxes, and keypoints in COCO-style format. The dataset is pre-split into train (80%), validation (10%), and test (10%) sets, with each class represented proportionally in all splits. Each sample contains fields such as image path, file name, unique image identifier, unique annotation identifier, category ID, category name, keypoints, bounding box, crowd flag, and area calculation.