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feat(h5): apply fourth feedback and tighten local capture validation

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xsl
2026-10-12 20:16:41 +08:00
parent e53c809522
commit 92a3965b7d
33 changed files with 3758 additions and 1385 deletions
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h5/js/head-pose.js
+17 -14
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@@ -62,13 +62,14 @@
var PITCH_COEFF = 180; // 归一化偏移 → 角度 的增益
// ---- check 阈值（角度制） ----
// 正脸口径：Face++ 正脸判定 |yaw|<10°；产品要求(2026-09-28)正脸引导放宽一点点，
// 前端取 |yaw|≤15°、|pitch|≤18°（略超 Face++ 口径，正脸图仍可正常分析，仅 orientation 读数略偏）
var FRONT_YAW_MAX = 15;
var FRONT_PITCH_MAX = 18;
var SIDE_YAW_MIN = 28;
var SIDE_YAW_MAX = 75;
var SIDE_PITCH_MAX = 20;
// Fourth feedback: conservative initial local gates. Empirical pose estimates
// are not upstream quality scores; use recorded samples to calibrate further.
var FRONT_YAW_MAX = 10;
var FRONT_PITCH_MAX = 12;
var SIDE_YAW_MIN = 35;
var SIDE_YAW_MAX = 65;
var SIDE_PITCH_MAX = 15;
var ROLL_MAX = 10;
var HINT_KEEP = '保持不动';
var HINT_TURN_LEFT = '请向左转头'; // 用户向自己的左侧转
@@ -157,10 +158,10 @@
/**
* check(points, target, mirrored) -> { ok, hint }
* target: 'front' | 'left' | 'right'
* 'front' : |yaw|<=15 且 |pitch|<=18；不 ok 时按超出更多的一项给方向提示
* 'front' : |yaw|<=10 且 |pitch|<=12、|roll|<=10；不 ok 时给方向提示
* （UI 反馈 2026-10：动态提示「请向左转头」「请略微抬头」等，取代此前只提示回正）
* 'left' : 画面中看到左脸 = 被摄者头向右转（语义 yaw ∈ [-75°,-28°]），|pitch|<=20
* 'right' : 画面中看到右脸 = 被摄者头向左转（语义 yaw ∈ [28°,75°]），|pitch|<=20
* 'left' : 画面中看到左脸 = 被摄者头向右转（语义 yaw ∈ [-65°,-35°]），|pitch|<=15
* 'right' : 画面中看到右脸 = 被摄者头向左转（语义 yaw ∈ [35°,65°]），|pitch|<=15
* ok=true 时 hint='保持不动'；输入非法（含 estimate 返回 null 的退化特征点）时 ok=false、hint='请正对屏幕'。
*/
function check(points, target, mirrored) {
@@ -176,6 +177,7 @@
// 这里直接用 e.yaw(此前再翻一次是双重镜像 bug:侧脸引导方向完全相反)
var sYaw = e.yaw;
var pitch = e.pitch;
if (Math.abs(e.roll) > ROLL_MAX) return { ok: false, hint: '请勿歪头', yaw: sYaw };
if (target === 'front') {
if (Math.abs(sYaw) <= FRONT_YAW_MAX && Math.abs(pitch) <= FRONT_PITCH_MAX) {
@@ -222,7 +224,8 @@
FRONT_PITCH_MAX: FRONT_PITCH_MAX,
SIDE_YAW_MIN: SIDE_YAW_MIN,
SIDE_YAW_MAX: SIDE_YAW_MAX,
SIDE_PITCH_MAX: SIDE_PITCH_MAX
SIDE_PITCH_MAX: SIDE_PITCH_MAX,
ROLL_MAX: ROLL_MAX
}
};
}));
@@ -338,15 +341,15 @@ if (typeof module !== 'undefined' && typeof require !== 'undefined' && require.m
ok(HeadPose.estimate(tiny, false) === null, 'faceHeight 过小 → estimate 返回 null');
ok(HeadPose.check(tiny, 'front', false).hint === '请正对屏幕', 'faceHeight 过小 check 兜底');
// 13) 正脸阈值放宽到 |yaw|≤15°（产品要求 2026-09-28）：yaw≈14.9° 应通过，yaw≈16.2° 应拒绝并引导转回
ok(HeadPose.config.FRONT_YAW_MAX === 15, 'config.FRONT_YAW_MAX = 15');
// 13) Fourth feedback: 10° local frontal gate rejects the former 15° edge.
ok(HeadPose.config.FRONT_YAW_MAX === 10, 'config.FRONT_YAW_MAX = 10');
var slight = makeFrontal();
slight[30] = { x: 205.6, y: 140 }; // 偏移 5.6 → yaw≈14.9°(YAW_COEFF=3.8 标定)
slight[33] = { x: 205.6, y: 161.5 };
var se = HeadPose.estimate(slight, false);
ok(se.yaw > 13.5 && se.yaw <= 15, '轻微偏头 yaw∈(13.5,15] (got ' + se.yaw.toFixed(2) + ')');
var sc2 = HeadPose.check(slight, 'front', false);
ok(sc2.ok === true, 'yaw≈14.9°（≤15°）front 通过（旧阈值 12 会拒绝）');
ok(sc2.ok === false, 'yaw≈14.9° front 拒绝（第四轮收紧）');
var slight2 = makeFrontal();
slight2[30] = { x: 206.2, y: 140 }; // 偏移 6.2 → yaw≈16.2°
slight2[33] = { x: 206.2, y: 161.5 };