51CTO HarmonyOS Developer Community

Jan 26, 2026 · Mobile Development

High-Performance Line Art Extraction in HarmonyOS: Algorithms & Optimization

This article details implementing a high-performance line art extraction feature in HarmonyOS using ArkTS, covering grayscale conversion, differential edge detection, efficient pixel buffer access, sketch and comic style rendering, and time-sliced chunk processing to prevent UI freezes on large images.