From fada1f1b858110374853ddfaed676a0c869c76ac Mon Sep 17 00:00:00 2001
From: Bene <bene.rr41@gmx.de>
Date: Mon, 3 Jul 2023 15:50:17 +0200
Subject: [PATCH] second commit

---
 .idea/.gitignore                              |  3 ++
 .idea/WebcamTest.iml                          | 10 +++++
 .../inspectionProfiles/profiles_settings.xml  |  6 +++
 .idea/misc.xml                                |  4 ++
 .idea/modules.xml                             |  8 ++++
 .idea/vcs.xml                                 |  6 +++
 subtract_mask.py                              | 40 +++++++++++++++++++
 7 files changed, 77 insertions(+)
 create mode 100644 .idea/.gitignore
 create mode 100644 .idea/WebcamTest.iml
 create mode 100644 .idea/inspectionProfiles/profiles_settings.xml
 create mode 100644 .idea/misc.xml
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/vcs.xml
 create mode 100644 subtract_mask.py

diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/WebcamTest.iml b/.idea/WebcamTest.iml
new file mode 100644
index 0000000..aee9ef2
--- /dev/null
+++ b/.idea/WebcamTest.iml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/venv" />
+    </content>
+    <orderEntry type="jdk" jdkName="Python 3.11" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/profiles_settings.xml b/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000..105ce2d
--- /dev/null
+++ b/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..a971a2c
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.11" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..0187264
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/WebcamTest.iml" filepath="$PROJECT_DIR$/.idea/WebcamTest.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/subtract_mask.py b/subtract_mask.py
new file mode 100644
index 0000000..3155b62
--- /dev/null
+++ b/subtract_mask.py
@@ -0,0 +1,40 @@
+import cv2
+
+# Lade das erste Frame und bestimme seine Größe
+cap = cv2.VideoCapture(0)
+ret, frame = cap.read()
+height, width, channels = frame.shape
+
+# Definiere einen Bereich, der ausgeschlossen werden soll
+exclude_area = [[0, 0], [0, 100], [width, 100], [width, 0]]
+
+# Erstelle eine Maske
+mask = np.zeros((height, width), np.uint8)
+pts = np.array([exclude_area], np.int32)
+cv2.fillPoly(mask, pts, 255)
+
+# Initialisiere den Hintergrundsubtraktor
+fgbg = cv2.createBackgroundSubtractorMOG2()
+
+while True:
+    # Lese das nächste Frame
+    ret, frame = cap.read()
+    if not ret:
+        break
+
+    # Wende die Maske auf das Frame an
+    masked_frame = cv2.bitwise_and(frame, frame, mask=mask)
+
+    # Subtrahiere das Hintergrund-Modell von dem aktuellen Frame
+    fgmask = fgbg.apply(masked_frame)
+
+    # Wende eine Schwellenwertbildung auf das Differenzbild an
+    thresh = cv2.threshold(fgmask, 127, 255, cv2.THRESH_BINARY)[1]
+
+    # Zeige das Ergebnis an
+    cv2.imshow('frame', thresh)
+    if cv2.waitKey(1) & 0xFF == ord('q'):
+        break
+
+cap.release()
+cv2.destroyAllWindows()
\ No newline at end of file