Generating High-Quality Thumbnails from Video

Apple Developer Documentation

Learn how to extract the most visually pleasing frames from video using Vision and AVFoundation. This sample shows how to analyze video frames using aesthetic scoring and image similarity to generate high-quality thumbnails ideal for previews or promotional use.

Global Reach
 Official Documentation
Generating High-Quality Thumbnails from Video Documentation

Demo Preview

iPad frame

By processing 100 frames sampled at optimized intervals, the app uses Vision's aesthetic scoring to rate each frame, then compares feature-print observations to avoid duplicates, selecting the top three unique frames as high-quality thumbnails.

Technical Details

Technology Stack

Swift
SwiftUI
Vision
AVFoundation

Key Achievements

  • Used Vision to perform frame-by-frame video analysis with aesthetic scoring.
  • Generated non-redundant thumbnails using image similarity comparison.
  • Processed only 100 frames using optimized cadence and time interval.

Try the Thumbnail Generator Sample

Explore how to extract high-quality thumbnails from videos using Vision and AVFoundation by trying out the official Apple Developer sample.