Scan2s/opportunity-s2s-certified

OPPORTUNITY — S2S物理认证数据集(v1.7.0)是基于OPPORTUNITY活动识别数据集的物理认证窗口数据集。该数据集使用S2S工具针对8种生物力学定律进行了验证。提供了两种认证方式：一种是使用记录的RUA传感器数据(10-12列)，另一种是自动检测的列。数据集包含4个受试者的24个文件(ADL1-5+Drill)，采样率为30.3Hz，窗口大小为256个样本。关键发现显示S2-ADL1和S3-ADL1会话存在严重的传感器异常(通过率仅20-22%)，而S1-Drill和S2-ADL3/4/5会话表现最佳(通过率79%-90%+)。这些异常通过标准统计检查无法发现，但S2S通过生物力学定律违规检测到了它们。数据来自OPPORTUNITY原始数据集，包含4个受试者、7个IMU传感器、30Hz采样率的日常活动和训练任务数据。

Physics-certified windows from the OPPORTUNITY Activity Recognition dataset. Validated against 8 biomechanical laws using S2S. Provides two certification methods: one using documented RUA sensor data (cols 10-12) and another using auto-detected columns. Contains 24 files from 4 subjects (ADL1-5 + Drill) with 30.3Hz sample rate and 256-sample windows. Key findings show serious sensor anomalies in S2-ADL1 and S3-ADL1 sessions (20-22% pass rate) while S1-Drill and S2-ADL3/4/5 sessions performed best (79%-90%+ pass rate). These anomalies are invisible to standard statistical checks but detected by S2S through biomechanical law violations. Data comes from original OPPORTUNITY dataset with 4 subjects, 7 IMU sensors, 30Hz sampling of daily activities and drill tasks.