Low-resolution reference images produce soft textures and melted details in AI video output. Before spending a generation credit, verify that your reference is at least 1024px on the longest side and free of compression artifacts.
We published a hands-on note explaining how to spot resolution problems early—check pixel dimensions, zoom to 100% for artifact inspection, and prefer PNG or high-quality JPEG sources. The article is on the blog index for all three site languages. Questions or feedback: sapsap@qq.com.