狗操的大作业

大作业/14.2/14.2.py

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+import cv2 as cv
+from PIL import Image
+import pytesseract as tess
+
+
+def recoginse_text(image):
+    """
+    步骤：
+    1、灰度，二值化处理
+    2、形态学操作去噪
+    3、识别
+    :param image:
+    :return:
+    """
+
+    # 灰度 二值化
+    gray = cv.cvtColor(image,cv.COLOR_BGR2GRAY)
+    # 如果是白底黑字 建议 _INV
+    ret,binary = cv.threshold(gray,0,255,cv.THRESH_BINARY_INV| cv.THRESH_OTSU)
+
+
+    # 形态学操作 (根据需要设置参数（1，2）)
+    kernel = cv.getStructuringElement(cv.MORPH_RECT,(1,2))  #去除横向细线
+    morph1 = cv.morphologyEx(binary,cv.MORPH_OPEN,kernel)
+    kernel = cv.getStructuringElement(cv.MORPH_RECT, (2, 1)) #去除纵向细线
+    morph2 = cv.morphologyEx(morph1,cv.MORPH_OPEN,kernel)
+    cv.imshow("Morph",morph2)
+
+    # 黑底白字取非，变为白底黑字（便于pytesseract 识别）
+    cv.bitwise_not(morph2,morph2)
+    textImage = Image.fromarray(morph2)
+
+    # 图片转文字
+    text=tess.image_to_string(textImage)
+    n=10 #根据不同国家车牌固定数目进行设置
+    print("识别结果:")
+    print(text[1:n])
+   
+
+
+def main():
+    # 读取需要识别的数字字母图片，并显示读到的原图
+    src = cv.imread("cp.jpg")
+    cv.imshow("src",src)
+
+    # 识别
+    recoginse_text(src)
+
+    cv.waitKey(0)
+    cv.destroyAllWindows()
+
+if __name__=="__main__":
+    main()
+
+

大作业/14.2/test.pyproj

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+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>e85e00fb-959d-4c3b-852b-f88a24227bbc</ProjectGuid>
+    <ProjectHome>.</ProjectHome>
+    <StartupFile>test.py</StartupFile>
+    <SearchPath>
+    </SearchPath>
+    <WorkingDirectory>.</WorkingDirectory>
+    <OutputPath>.</OutputPath>
+    <Name>test</Name>
+    <RootNamespace>test</RootNamespace>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <DebugSymbols>true</DebugSymbols>
+    <EnableUnmanagedDebugging>false</EnableUnmanagedDebugging>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <DebugSymbols>true</DebugSymbols>
+    <EnableUnmanagedDebugging>false</EnableUnmanagedDebugging>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="test.py" />
+  </ItemGroup>
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\Python Tools\Microsoft.PythonTools.targets" />
+  <!-- Uncomment the CoreCompile target to enable the Build command in
+       Visual Studio and specify your pre- and post-build commands in
+       the BeforeBuild and AfterBuild targets below. -->
+  <!--<Target Name="CoreCompile" />-->
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+</Project>