Frame Extraction
Extract 360 panorama frames at GPS intervals
Overview
Frame extraction captures equirectangular panorama images from your 360 video at distance-based intervals (e.g., every 5 meters). These frames enable the immersive 360 panorama viewer for detailed road inspection.
Prerequisites
Before extracting frames, ensure:
- Video uploaded to cloud - Frame extraction requires cloud storage
- GPS data available - Video must have embedded GPS metadata
- 360 video format - Equirectangular (2:1 aspect ratio) works best
Extraction Interval
Choose how frequently to capture frames based on distance traveled:
High density. Best for detailed inspection, uses more storage.
Balanced coverage. Good for most road surveys.
Overview coverage. Faster extraction, less storage.
- ~200KB per frame (hi-res + thumbnail)
- 1 km at 5m interval = ~200 frames = ~40MB
- 10 km survey = ~2,000 frames = ~400MB
How to Extract Frames
- Open Frame Extraction - Click the camera icon in the video controls
- Set extraction interval - Use the slider to choose distance (1-100 meters)
- Click "Extract Frames" - Extraction begins from the start of the video
- Wait for completion - Progress shows frame count and distance covered
Progress information:
- Frame count: Number of frames captured
- Distance: Total distance covered
- Status: Current extraction state
What Gets Captured
Each extracted frame includes:
Hi-Resolution Image
- Full video resolution (typically 1920x960)
- JPEG quality: 85%
- Used in 360 panorama viewer
Thumbnail
- 320px wide
- JPEG quality: 80%
- Used in frame list and map popups
Metadata per frame:
- GPS coordinates (interpolated from track)
- Video timestamp
- Sequence number
- Bearing/heading
After Extraction
Once extraction is complete, you can use the 360 Panorama Mode to navigate through the extracted frames with an immersive streetview experience. Frames are displayed as markers on the map - click any marker to jump to that location.
Learn about Panorama Mode →