Smart Classroom Behavior Recognition Dataset

This dataset contains annotation information for 1,040 images collected from publicly available sources. Each image is labeled with one or more of the following classes: background, blackboard, face, and raised hand.

Important notes:

The original images are not publicly released to protect personal privacy and comply with legal regulations.
Only the annotation data (segmentation masks or class labels) are provided.
The dataset is intended solely for academic research purposes in computer vision and machine learning.
Users must not attempt to access or reconstruct the original images.
The dataset is released under the CC BY-NC 4.0 license.

By downloading or using this dataset, users agree to comply with these terms.

本数据集包含从公开渠道采集的1040张图像的标注信息。每张图像可被标注为以下类别中的一个或多个：背景、黑板、人脸、举手。

重要须知：
为保护个人隐私并符合法律法规要求，原始图像未予公开发布。
仅提供标注数据（分割掩码（segmentation masks）或类别标签）。
本数据集仅用于计算机视觉（computer vision）与机器学习（machine learning）领域的学术研究。
用户不得尝试获取或重构原始图像。
本数据集采用CC BY-NC 4.0协议发布。

用户下载或使用本数据集即视为同意遵守上述条款。