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Align slimming with 76 indexed landmarks and 17 sequential local pins; pass 604 offline checks

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dayu 于 2026-10-21 20:19:32 +08:00 提交
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docs/analysis/REA-分析与复刻说明.md
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@@ -75,3 +75,7 @@ REA 直接打开内嵌插件。原包为 arm64/x86_64 通用 Mach-O，Ghidra 无
## 最大瘦脸与转脸差异（用户复测反馈）
用户反馈跟踪正常，但最大瘦脸与原版不一致，侧脸出现异常变形。补充REA与Metal AIR分析确认，原版瘦脸以76点加中心点输入，执行17组轮廓到鼻部/瞳孔锚点的局部逆向采样；当前复刻采用矩形框水平对称场，两者没有对齐。已检查的GPU瘦脸路径没有显式yaw角度切换或侧脸衰减，不能将局部二维点自适应描述为完整3D姿态识别。详见 [脸型变形与转脸分析](脸型变形与转脸分析.md) 及 [结构报告](slim-pose-report.json)。本轮未修改安装版的变形代码。
## 1.0.5 对齐实现
已根据上述证据将瘦脸本身改为76点/17组局部逆向采样，`.025 × sizeGain`映射、UV距离、每组clamp和顺序均由独立数值场对照。没有复制原版metallib或模型。全76点参与当前实时稳定并保存离线记录；缺失完整点阵时不再退回整框瘦脸。其他8类几何控制、完整77点稳定系数和快速多人重叠采样仍有既有差异。阶段验证见验证记录；原分析中“1.0.4尚未修复”是历史状态。
docs/verification/v1.0.5/core-tests.txt
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Beauty renderer: 49 checks, 0 failures (Metal).
2026-10-21 20:18:32.623 face-tests[6394:5408005] FBBA: creating VNFaceBBoxAligner from VNFaceDetectorRevision2: VNFaceDetectorRevision2
Face processing: 116 checks passed
2026-10-21 20:18:36.942 slim-tests[6433:5408137] FBBA: creating VNFaceBBoxAligner from VNFaceDetectorRevision2: VNFaceDetectorRevision2
PASS: 224 slim alignment checks; maximum UV oracle error 1.09828022e-05
docs/verification/v1.0.5/host-tests.txt
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2026-10-21 20:18:33.844 host-tests[6427:5408121] FBBA: creating VNFaceBBoxAligner from VNFaceDetectorRevision2: VNFaceDetectorRevision2
Default IOSurface maximum byte difference: 0
Alternate destination tag maximum byte difference: 0
Host adapter: 117 checks, 0 failures
docs/verification/v1.0.5/osc-tests.txt
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2026-10-21 20:18:34.451 osc-tests[6459:5408235] PGFaceOSC point-write desired=(0.25,0.75) setter=(0.25,0.75) readback=(0.25,0.75) mode=normalized verified=1
2026-10-21 20:18:34.466 osc-tests[6459:5408235] PGFaceOSC coordinates selection=(0.25,0.75) objectBounds=(-100,-50,200,100) canvas=(80,180) surface=320x240 origin=0
2026-10-21 20:18:34.897 osc-tests[6459:5408235] PGFaceOSC point-write desired=(0.8,0.3) setter=(1152,-432) readback=(0.8,0.3) mode=centered-pixels verified=1
2026-10-21 20:18:34.897 osc-tests[6459:5408235] PGFaceOSC coordinates selection=(0.7,0.4) objectBounds=(-1920,-1080,3840,2160) canvas=(152,78) surface=320x240 origin=0
2026-10-21 20:18:34.948 osc-tests[6459:5408235] PGFaceOSC point-write desired=(0.8,0.3) setter=(0.8,0.3) readback=(0.12345,0.87654) mode=normalized verified=0
2026-10-21 20:18:34.948 osc-tests[6459:5408235] PGFaceOSC point-write desired=(0.75,0.25) setter=(0.75,0.25) readback=(0.75,0.25) mode=normalized verified=1
2026-10-21 20:18:34.948 osc-tests[6459:5408235] PGFaceOSC coordinates selection=(0.75,0.25) objectBounds=(-100,-50,200,100) canvas=(160,60) surface=320x240 origin=0
2026-10-21 20:18:35.005 osc-tests[6459:5408235] PGFaceOSC point-write desired=(0.625,0.375) setter=(0.625,0.375) readback=(0.625,0.375) mode=normalized verified=1
2026-10-21 20:18:35.005 osc-tests[6459:5408235] PGFaceOSC coordinates selection=(0.625,0.375) objectBounds=(-100,-50,200,100) canvas=(240,60) surface=320x240 origin=0
2026-10-21 20:18:35.057 osc-tests[6459:5408235] PGFaceOSC point-write desired=(0.25,0.75) setter=(0.25,0.75) readback=(0.25,0.75) mode=normalized verified=1
2026-10-21 20:18:35.057 osc-tests[6459:5408235] PGFaceOSC coordinates selection=(0.25,0.75) objectBounds=(-100,-50,200,100) canvas=(144,180) surface=320x240 origin=0
2026-10-21 20:18:35.108 osc-tests[6459:5408235] PGFaceOSC point-write desired=(0.5,0.5) setter=(0.5,0.5) readback=(0.5,0.5) mode=normalized verified=1
2026-10-21 20:18:35.108 osc-tests[6459:5408235] PGFaceOSC coordinates selection=(0,1) objectBounds=(-100,-50,200,100) canvas=(100,140) surface=320x240 origin=0
2026-10-21 20:18:35.167 osc-tests[6459:5408235] PGFaceOSC coordinates selection=(0.25,0.75) objectBounds=(-100,-50,200,100) canvas=(nan,nan) surface=320x240 origin=0
2026-10-21 20:18:35.217 osc-tests[6459:5408235] PGFaceOSC point-write desired=(0.5,0.5) setter=(0.5,0.5) readback=(0.5,0.5) mode=normalized verified=1
2026-10-21 20:18:35.217 osc-tests[6459:5408235] PGFaceOSC coordinates selection=(0.25,0.75) objectBounds=(-100,-50,200,100) canvas=(inf,nan) surface=320x240 origin=0
2026-10-21 20:18:35.267 osc-tests[6459:5408235] PGFaceOSC point-write desired=(0.5,0.5) setter=(0.5,0.5) readback=(0.5,0.5) mode=normalized verified=1
2026-10-21 20:18:35.267 osc-tests[6459:5408235] PGFaceOSC coordinates selection=(0.25,0.75) objectBounds=(-100,-50,200,100) canvas=(80,nan) surface=320x240 origin=0
2026-10-21 20:18:35.316 osc-tests[6459:5408235] PGFaceOSC point-write desired=(0.5,0.5) setter=(0.5,0.5) readback=(0.5,0.5) mode=normalized verified=1
2026-10-21 20:18:35.316 osc-tests[6459:5408235] PGFaceOSC point-write desired=(0.5,0.5) setter=(0.5,0.5) readback=(0.5,0.5) mode=normalized verified=1
OSC adapter: 98 checks, 0 failures
docs/验证记录.md
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后续静态REA和Apple Metal AIR分析确认：原版瘦脸以17组轮廓到鼻部/瞳孔锚点的局部位移驱动，当前瘦脸按框水平对称变形，两者的方向、范围与强度模型不同。独立Vision76点离线探针在同一视频11个采样时刻均检出1脸76点，含明显侧脸；它只证明关键点仍可获得，不代替原版宿主输出对照。探针使用Wall/Wextra编译成功并完成采样，没有执行原版APP、替换安装版或操作Motion/FCP。
分析报告见 [脸型变形与转脸分析](analysis/脸型变形与转脸分析.md)。当前安装1.0.4的变形问题尚未修复，本轮的诊断代码/证据/文档不改变已安装产品。
## 1.0.5 瘦脸修复候选
已将最大瘦脸改为76点、17组局部位移；明确revision3/76点，保留图像及四类蒙版共用变形，旧档案缺完整点阵时只跳过瘦脸。新增224项数值与数据回归：48组尺寸/左右侧脸/歪头投影、非零原点、0/50/100%强度、独立double逆向坐标场、旧档案/坏点保护、失检重获及真实Vision76点与存储回放。最大UV坐标误差1.09828022e-5。
完整回归604项通过（渲染49、人脸116、瘦脸224、宿主适配117、OSC98）；宿主适配与OSC启用ASan。独立审查另用程序生成的UV图与1×1读取验证36点，最大误差1.12695e-7。位图数值测试曾发现测试输入行方向与CI坐标不一致，修正测试桥接后通过，生产算法未因此反改。
当前阶段尚未完成1.0.5正式签名公证安装，Motion/FCP界面不操作、最终视觉由用户自测。默认单主要人脸对齐17-pin数学；快速多人仍沿用逐脸采样，重叠区不宣称与原版单fragment全脸序列等价。