rename FaceResult score to confidence

demo/mask_detection/README.md

-# 百度PaddlePaddle实现口罩检测应用
+# PaddleHub实现口罩佩戴检测应用
 
 ## 0 项目介绍
 ![image](https://note.youdao.com/yws/public/resource/b0a4695bc7d58aed3b1ff797409aee1e/BB6BC87A45D146CEBA7BF237B5383835?ynotemdtimestamp=1582271320612)

demo/mask_detection/cpp/main.cc

@@ -68,7 +68,7 @@ int main(int argc, char* argv[]) {
            item.rect[2],
            item.rect[3],
            item.class_id,
-           item.score);
+           item.confidence);
   }
 
   // Visualization result

demo/mask_detection/cpp/mask_detector.cc

@@ -77,7 +77,7 @@ void VisualizeResult(const cv::Mat& img,
       text = "NO MASK:  ";
       roi_color = cv::Scalar(0, 0, 255);
     }
-    text += std::to_string(static_cast<int>(results[i].score*100)) + "%";
+    text += std::to_string(static_cast<int>(results[i].confidence * 100)) + "%";
     int font_face = cv::FONT_HERSHEY_TRIPLEX;
     double font_scale = 1.f;
     float thickness = 1;
@@ -243,7 +243,7 @@ void MaskClassifier::Postprocess(std::vector<FaceResult>* faces) {
       }
     }
     (*faces)[i].class_id = best_class_id;
-    (*faces)[i].score = best_class_score;
+    (*faces)[i].confidence = best_class_score;
   }
 }
 

demo/mask_detection/cpp/mask_detector.h

@@ -32,7 +32,7 @@ struct FaceResult {
   // Detection result: cv::Mat of face rectange
   cv::Mat roi_rect;
   // Classification result: confidence
-  float score;
+  float confidence;
   // Classification result : class id
   int class_id;
 };