Align chin deformation with recovered three-pin signed mapping; add anatomical and numeric regressions

2026-10-21 20:49:38 +08:00
@@ -0,0 +1,50 @@
+{
+  "date": "2026-10-21",
+  "target_sha256": "f01e8c0b7e2676b2961950b0e48efdd2589af218e4b36de7d39f5d1c76852bfb",
+  "claim_type": "static CPU assembly/constants and Metal AIR reconstruction, independently tested; no native-host observation",
+  "chin_pins": [
+    [
+      68,
+      38
+    ],
+    [
+      67,
+      37
+    ],
+    [
+      66,
+      36
+    ]
+  ],
+  "chin_parameter_index": 5,
+  "signed_slider_range": [
+    -1,
+    1
+  ],
+  "positive_scale": 0.04,
+  "negative_scale": 0.02,
+  "cpu_evidence": [
+    "ev_640ccb714c5ce00d3864844af319fc574d223810dde08443d2ef2e8f1e989c47",
+    "ev_8bc31392c07788d2482546121297c3f177d527282275ef21fd3e5edef9921544"
+  ],
+  "air_sha256": "f97705b88f5491057df2117aef457ffca84e11020574cd57742b0670db4484d8",
+  "air_file_local_ignored": "build/pose-analysis/face-thin.air.txt",
+  "coordinate_contract": "Vision normalized y-up; upload pins and sampling coordinate converted once to y-down UV, result returned to CI y-up",
+  "gain": "clamp(280/max(length((P75-P59)*imageSize),2*length((P67-(P74+P60)/2)*imageSize),1),1,2.25)",
+  "pin_formula": "q=clamp(q-(anchor-origin)*ratio*clamp(1-distance(q,origin)/distance(anchor,origin),0,1),0,1)",
+  "positive_visual_direction": "chin toward lower lip (shorter)",
+  "negative_visual_direction": "chin away from lower lip (longer)",
+  "verification": {
+    "beauty": 49,
+    "face": 116,
+    "thin_chin": 394,
+    "failures": 0,
+    "maximum_uv_oracle_error": 1.09828022e-05
+  },
+  "limitations": [
+    "Seven other shape controls remain approximations.",
+    "Combined analytic controls and multi-face resampling order is not fully reference equivalent.",
+    "FxPlug adapter imageOrigin handling is under separate investigation.",
+    "Motion/FCP final visual validation is reserved for user."
+  ]
+}
@@ -0,0 +1 @@
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Reads stop at an unmapped or uninitialized byte and report completeness explicitly.","macOS sessions require a matching executable Ghidra native decompiler; REA checks for it but does not build native components or change Gatekeeper quarantine state."],"locations":[],"normalized_result":{"address":"0x10005f9c0","bytes_hex":"7b14ae47e17a943f7b14ae47e17aa43f","complete":true,"requested_bytes":16,"returned_bytes":16},"operation":"read_bytes","parameters":{"address":"0x10005f9c0","length":16},"predicate_type":"rea.analysis","provider":{"id":"ghidra","name":"Ghidra","version":"12.1.4"},"raw_result":{"address":"0x10005f9c0","bytes_hex":"7b14ae47e17a943f7b14ae47e17aa43f","complete":true,"requested_bytes":16,"returned_bytes":16},"subject":{"architecture":"arm64","digest":{"sha256":"f01e8c0b7e2676b2961950b0e48efdd2589af218e4b36de7d39f5d1c76852bfb"},"format":"mach-o","local_path":"/private/tmp/paintfcp-rea.b3j9Te/MSE18V2-arm64","name":"MSE18V2-arm64"}},{"analysis_profile":{"digest":"20565088524a2d0359b9b96f46ac48e679d774c7b0092c56abc06de8fdbec11c","parameters":{"analyzer_preset":"ghidra-default","annotation_policy":"atomic-function-entry-metadata-v1","architecture":"arm64","available_architectures":["arm64"],"compiler_spec_id":"auto-default","decompiler_jump_loads":true,"function_body_evidence":"complete-inclusive-ranges-v1","function_boundary_observations":"ghidra-terminal-call-limitations-v1","function_references":"complete-body-and-entry-reference-manager-v2","import_mode":"ephemeral-source-immutable","instruction_flow_evidence":"decoded-return-pcode-v1","jump_table_evidence":"typed-case-default-blocks-v1","language_id":"auto-from-header","load_image_observations":"source-mappings-entry-context-v2","loader":"auto-from-header","location_resolution":"explicit-address-exact-entry-symbol-first-v3","no_return_repair":"returning-imports-decoded-return-v2","process_launch":"inspected-jvm-launch-support-v1","string_inventory_evidence":"defined-data-coverage-v1","target_format":"mach-o","target_kind":"executable"},"provider":{"id":"ghidra","name":"Ghidra","version":"12.1.4"}},"authority":"shipped-artifact","confidence":"observed","environment":null,"evidence_id":"ev_8bc31392c07788d2482546121297c3f177d527282275ef21fd3e5edef9921544","evidence_links":[],"limitations":["The session serves operations only after Ghidra reports default auto-analysis complete; incomplete analysis does not expose partial results.","The imported Program and temporary project are ephemeral and deleted on close. Annotation operations edit session database metadata; original executable bytes are never written.","Cancelling an active Ghidra request terminates its ephemeral database and discards Line truncated
@@ -0,0 +1,23 @@
+# 下巴控制与图像坐标核对
+
+2026-10-21，接用户反馈“调整下巴却调整眼睛”。本轮不操作、启动或退出Motion/FCP。以已保存的原版AIR和新REA CPU汇编/常量证据继续分析；没有执行原版或复制其二进制到产品。
+
+## 已确认的下巴差异
+
+参数发布、PGChin=24、settings.faceChin与GPU参数位置没有串到大眼。1.0.5的下巴仍用脸框高斯场，存在两项错误：作用范围延伸到嘴部甚至眼睑，下巴正负方向与原版相反。独立真实照片上，旧公式的最大位移出现在嘴附近；侧脸真实下巴位移接近零。这些结论来自离屏照片/坐标场探针，不能代替实际宿主当帧诊断。
+
+原版`0x1000279f4`汇编将下巴滑块约束到[-1,1]，正值乘0.04、负值乘0.02，写入脸型结构第5项（byte offset20）；常量位于`0x10005f9c0`。REA记录：`ev_8bc31392c07788d2482546121297c3f177d527282275ef21fd3e5edef9921544`与`ev_640ccb714c5ce00d3864844af319fc574d223810dde08443d2ef2e8f1e989c47`，完整小型证据包见[rea-chin.json](rea-chin.json)。原件身份与上一轮一致，arm64切片SHA-256为`f01e8c0b7e2676b2961950b0e48efdd2589af218e4b36de7d39f5d1c76852bfb`。
+
+`mssFaceShapePinCoordinate`的AIR分支读取第5项及共同尺寸增益，顺序执行68→38、67→37、66→36三组局部采样位移。独立Vision区域核对：66/67/68在下巴轮廓，36/37/38在下唇。其半径、线性衰减、逐步clamp与17组瘦脸相同；支持负值。视觉正值缩短下巴、负值拉长，方向随下巴→嘴唇向量变化，不固定沿画面Y轴。细节和边界见[机器报告](chin-report.json)。
+
+## 修正与测试
+
+已移除旧下巴高斯项，改用原版三组点、正负系数、尺寸增益。完整76点缺失或不合法时跳过下巴，避免旧档案使用猜测框位置；其他七类脸型控制仍是现有近似实现，组合顺序未宣称全部恢复。
+
+核心回归559项通过：美化49、人脸116、瘦脸/下巴394。新增正负下巴、半强度、左右侧脸投影、歪头、三种宽高比、非零原点、瘦脸叠加、坏点与旧档案保护。独立double采样场最大UV误差1.09828022e-5。真实NASA人像额外检查下巴位移、正负向量符号和两侧瞳孔保持不动；以坐标位移判定，避免只检查“像素有改变”。
+
+## 图像适配层待核对项
+
+纯CI图像中，76点落在真实瞳孔和下巴，没有全局Y轴反置。但FxPlug适配层曾根据imageOrigin在输入、输出各翻转一次。以相同物理top-first照片字节离屏构造TOP_LEFT输入输出时，旧代码默认直通仍精确一致，却能复现下巴作用到眼部的现象；这说明直通测试无法排除中间处理倒置。
+
+imageOrigin描述坐标轴方向，不能单凭枚举推断IOSurface的物理行序。原版render主入口包装CIImage后仅见正尺度和位移，仍需核对其输出helper，不能仅凭主函数的有界检索宣称原版整个链条无翻转。原生FCP本次实际缓冲行序未捕获，最后视觉交由用户自测。临时照片、完整人脸坐标和探针输出均留在被忽略的build目录。
				`@@ -0,0 +1 @@`
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