feat(core): 实现碗尺寸识别与标定系统

- 新增碗尺寸识别主应用界面，支持图片拖拽、选择和摄像头实时检测 - 界面显示碗的尺寸类别、直径、置信度及算法方法 - 支持计算食物重量，依据秤示数和碗重差值计算 - 实现核心检测模块，采用霍夫圆变换和轮廓法两种检测方法融合 - 检测结果包含尺寸分类和置信度估计，支持绘制调试信息 - 提供交互式标定工具，支持批量加载样本图片并自动检测直径 - 标定工具计算阈值和碗重量，生成并保存配置文件config.json - 界面友好，提供当前状态提示和结果预览功能
2026-08-26 18:19:45 +08:00
parent 394faf26fc
commit da90a803e4
5 changed files with 1475 additions and 0 deletions
@@ -0,0 +1,110 @@
+{
+  "_comment": "碗尺寸识别配置文件 - 通过 calibrate.py 标定后自动生成/更新",
+  "calibrated": true,
+  "scale_id": "default",
+  "thresholds": {
+    "small_max_diameter": 1167.0,
+    "medium_max_diameter": 1330.0,
+    "description": "像素直径阈值：<=small_max为小碗，<=medium_max为中碗，其余为大碗"
+  },
+  "calibration_samples": {
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+  "detection": {
+    "min_circularity": 0.5,
+    "min_area_ratio": 0.03,
+    "max_area_ratio": 0.95,
+    "blur_kernel_size": 11,
+    "canny_threshold1": 20,
+    "canny_threshold2": 60,
+    "hough_dp": 1.2,
+    "hough_min_dist_ratio": 0.3,
+    "hough_param1": 60,
+    "hough_param2": 25,
+    "hough_min_radius_ratio": 0.05,
+    "hough_max_radius_ratio": 0.5
+  },
+  "bowl_weights_grams": {
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+    "medium": 20.0,
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+  },
+  "calibration_averages": {
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+  }
+}