Stable Diffusion Prompt Book 官方最新动态：How to Remove Image Background Without Losing Quality

来源：Stable Diffusion Prompt Book 官方动态 | 发布日期：2024-11-0

核心更新概览

You took the background out of a product photo, and now the edges look fuzzy. The fix usually starts before you touch the background at all.

详细内容记录

You took the background out of a product photo, and now the edges look fuzzy. The fix usually starts before you touch the background at all. To remove a background without losing quality, begin with the sharpest, largest copy of the image you have. Then use an AI tool that puts the subject on its own see-through layer, and save the result as a PNG file. This guide covers each step in OpenArt. Background removal looks low quality when the starting photo is small, blurry, or a heavily saved JPG. PNG is the right file type for a background-free image, because it keeps the see-through area. OpenArt's Extract Layers puts the subject and the background on separate transparent PNG layers. OpenArt's Image Upscale makes a small photo larger and sharper before you remove the background. Extract Layers can regenerate one rough layer while every other layer stays the same. Why does removing a background make an image look worse?

更多技术细节可访问官方原文：https://openart.ai/blog/how-to-remove-image-background/。