H3 Video Model Artifacts in Distant and High-Motion Scenes: User Seeks Encoding Fix
NoSmell3236 · reddit · 2026-08-14
Reddit user NoSmell3236 asks about artifacts generated by the H3 video model in distant and high-motion scenes. They tried H264 and H265 10bit CRF 15 encoding, using int8 pruned, nvfp4 Qwen, 25 steps with sage attn (no spectrum), but artifacts persist. The post seeks solutions and discusses whether encoding compression is the cause.
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