commit 4b9ade675939e10b4e81656f8f62c4d33d7f4060
Author: snsd0805 <levi900227@gmail.com>
Date:   Sat Dec 16 03:27:02 2023 +0800

    feat: use celephone's camera to detect paper

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..60baa9c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+data/*
diff --git a/test.py b/test.py
new file mode 100644
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--- /dev/null
+++ b/test.py
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+
+import cv2
+
+# 設定連接到 Android 手機的相機
+cap = cv2.VideoCapture(0)  # 0 表示第一個相機（通常是後置相機），若是前置相機，可以使用 1
+cap.set(cv2.CAP_PROP_FRAME_WIDTH, 1920)  # 設定寬度
+cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 1080)  # 設定高度
+
+
+while True:
+    ret, frame = cap.read()  # 讀取影片幀
+
+    if not ret:
+        break
+
+    # 預處理影像（例如：轉為灰度）
+    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
+
+    # 偵測邊緣
+    edges = cv2.Canny(gray, 100, 200)
+
+    # 偵測輪廓
+    contours, _ = cv2.findContours(edges, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
+
+    # 找到最大的輪廓
+    max_contour = max(contours, key=cv2.contourArea)
+
+    # 找到輪廓的近似多邊形
+    epsilon = 0.05 * cv2.arcLength(max_contour, True)
+    approx = cv2.approxPolyDP(max_contour, epsilon, True)
+
+    # 繪製多邊形
+    if len(approx) == 4:  # 確保是四個角點
+        for point in approx:
+            print(point)
+            x, y = point[0]
+            cv2.circle(frame, (x, y), 5, (0, 0, 255), -1)  # 在角點位置畫紅色圓圈
+
+        cv2.drawContours(frame, [approx], -1, (0, 255, 0), 2)  # 繪製輪廓
+        print()
+
+    # 顯示結果
+    cv2.imshow('Paper Detection', frame)
+    # 按下 'q' 鍵退出迴圈
+    if cv2.waitKey(33) & 0xFF == ord('q'):  # 等待 33ms (1秒 = 1000ms, 1秒顯示30幀)
+        break
+
+
+
+cap.release()
+cv2.destroyAllWindows()
+
+