Create app.py

app.py

@@ -0,0 +1,45 @@
+import cv2  #cv2==4.8.0
+import numpy as np#numpy ==1.24.3
+import streamlit as st#
+import time
+
+
+
+st.title("实时皮肤检测应用程序")
+
+cap = cv2.VideoCapture(0)
+
+if not cap.isOpened():
+    st.error("无法打开摄像头。")
+else:
+    while True:
+        ret, frame = cap.read()
+
+        if not ret:
+            st.error("无法获取摄像头帧。")
+            break
+
+        ycbcr_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2YCrCb)
+
+        lower_skin = np.array([0, 133, 77], dtype="uint8")
+        upper_skin = np.array([255, 230, 255], dtype="uint8")
+        skin_mask = cv2.inRange(ycbcr_frame, lower_skin, upper_skin)
+
+        kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (11, 11))
+        skin_mask = cv2.erode(skin_mask, kernel, iterations=2)
+        skin_mask = cv2.dilate(skin_mask, kernel, iterations=2)
+
+        skin_detected = cv2.bitwise_and(frame, frame, mask=skin_mask)
+
+        st.image(skin_detected, channels="BGR", caption="皮肤检测结果", use_column_width=True)
+
+        stop_button_id = str(time.time())
+
+        if st.button("停止按钮" + stop_button_id):
+            break
+
+        # 控制每秒只显示2张图像
+        time.sleep(1.0)
+
+cap.release()
+cv2.destroyAllWindows()