lab 3 finished

lab3_zad3/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

lab3_zad3/.idea/inspectionProfiles/Project_Default.xml

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+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PyPep8Inspection" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="ignoredErrors">
+        <list>
+          <option value="W29" />
+          <option value="E501" />
+          <option value="W29" />
+          <option value="E501" />
+        </list>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>

lab3_zad3/.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

lab3_zad3/.idea/lab3_zad3.iml

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+<?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="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

lab3_zad3/.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.9 (lab3_zad3)" project-jdk-type="Python SDK" />
+</project>

lab3_zad3/.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/lab3_zad3.iml" filepath="$PROJECT_DIR$/.idea/lab3_zad3.iml" />
+    </modules>
+  </component>
+</project>

lab3_zad3/.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>

lab3_zad3/main.py

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+import cv2 as cv
+
+
+def on_change(val):
+    pass
+
+
+if __name__ == '__main__':
+    windowName = 'Canny edge detector'
+    cv.namedWindow(windowName, cv.WINDOW_NORMAL)
+    image = cv.imread("../img/lena.png", cv.IMREAD_COLOR)
+
+    kernelSizes = [(1, 1), (3, 3), (9, 9), (15, 15)]
+
+    blur_t = 'Blur'
+    low_threshold_t = 'Low Threshold'
+    high_threshold_t = 'High Threshold'
+    aperture_size_t = 'Aperture Size'
+    cv.createTrackbar(blur_t, windowName, 0, 3, on_change)
+    cv.createTrackbar(low_threshold_t, windowName, 0, 300, on_change)
+    cv.createTrackbar(high_threshold_t, windowName, 0, 300, on_change)
+    cv.createTrackbar(aperture_size_t, windowName, 3, 30, on_change)
+
+    cv.imshow(windowName, image)
+
+    while 1:
+        img = image.copy()
+        k = cv.waitKey(1) & 0xFF
+        if k == 27:
+            break
+
+        blur = cv.getTrackbarPos(blur_t, windowName)
+        low_threshold = cv.getTrackbarPos(low_threshold_t, windowName)
+        high_threshold = cv.getTrackbarPos(high_threshold_t, windowName)
+        aperture_size = cv.getTrackbarPos(aperture_size_t, windowName)
+        lena_blurred = cv.GaussianBlur(img, kernelSizes[blur], 0, 0)
+
+        edges = cv.Canny(lena_blurred, low_threshold, high_threshold, aperture_size)
+
+        cv.imshow(windowName, edges)
+
+    cv.destroyAllWindows()