秒表摄像机 / StopwatchCamera

Professional running timer camera app combining Augmented Reality (AR) and human pose recognition technology to provide precise automatic lap timing and video recording for track & field and road running.

Key Features:
• HD Video Recording — 1080p HD recording with millisecond-precision synchronized timer and real-time timestamp overlay
• AR Virtual Finish Line — ARKit-powered 3D spatial anchoring; simply drag to mark the exact finish line position with sub-centimeter accuracy
• Auto Lap with Person Tracking — Vision-based full-body pose tracking engine automatically records lap times and finish times as athletes cross the line
• Dual Detection Engine — Normal mode (multi-keypoint fallback: ankle -> knee -> hip -> torso) for daily training; Sprint mode (hip-based with sub-frame interpolation) optimized for 100m dashes
• Direction Filter — Both / left-to-right / right-to-left crossing directions to match any track layout
• Professional Timer — Unlimited lap splits with independent timing and automatic differential calculation
• Data Export — One-tap CSV export for in-depth analysis on your computer
• Time Watermark — Real-time timing overlay burned into the video for clear post-race review
• History Records — Complete session archive with video playback and quick jump to any lap moment
• Multi-Language — English, 简体中文, 繁體中文

Use Cases:
• Track sprints — Precise finish line timing and HD video capture for 100m, 200m, 400m
• Track middle/long distance — Automatic lap recording without manual stopwatch operation
• Road running — Split timing and pace analysis for marathons and trail running
• Running races — Automatic finish line detection with high-definition photo-finish capture