这是一款基于 LTX 2.3 的参考引导局部重绘视频应用。用户先上传一段 输入视频，再上传一张 参考物体图，并填写 局部替换提示词，系统就会围绕视频中的局部区域生成遮罩，再把参考物体的形态或外观引导进原视频对应区域，最后重新合成为一条新视频。文件里不仅有 VHS_LoadVideo、Reference Object、GrowMaskWithBlur、BlockifyMask、ImageCompositeFromMaskBatch+，最后还有 VHS_VideoCombine，说明它不是普通图生视频，而是更偏 “保留原视频主体结构，只替换局部对象/局部区域” 的视频编辑流。
它特别适合做：视频中的道具替换、局部物体换装、产品植入改图、指定区域重绘、视频里某个元素改成参考图样式。它的核心卖点不是整段视频全部重生成，而是：尽量保留原视频整体镜头、动作和节奏，只对指定局部做替换或重绘。 如果想提高清晰度和稳定性，可以调高 输出分辨率；如果想让局部边缘更稳，可以在高级设置里调整 遮罩块大小 和 视频降采样系数。
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