如何通过javacv实现图片去水印（附代码）

最近工作需求要做图片去水印的功能，研究了一段时间发现javacv能做这个功能，然后总结了一下。

首先导入maven

<dependency>
      <groupId>org.bytedeco</groupId>
      <artifactId>javacv</artifactId>
      <version>1.4.3</version>
      <exclusions>
        <exclusion>
          <groupId>org.bytedeco</groupId>
          <artifactId>javacpp</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>flycapture</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>libdc1394</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>libfreenect</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>libfreenect2</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>librealsense</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>videoinput</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>tesseract</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>leptonica</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>flandmark</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>artoolkitplus</artifactId>
        </exclusion>
      </exclusions>
    </dependency>
<dependency>
      <groupId>org.bytedeco</groupId>
      <artifactId>javacv-platform</artifactId>
      <version>1.4.3</version>
      <exclusions>
        <exclusion>
          <groupId>org.bytedeco</groupId>
          <artifactId>javacv</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>flycapture-platform</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>libdc1394-platform</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>libfreenect-platform</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>libfreenect2-platform</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>librealsense-platform</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>videoinput-platform</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>tesseract-platform</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <art<i style="color:transparent">本文来源gaodai$ma#com搞$$代**码)网8</i>ifactId>leptonica-platform</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>flandmark-platform</artifactId>
        </exclusion>
        <exclusion>
          <groupId>org.bytedeco.javacpp-presets</groupId>
          <artifactId>artoolkitplus-platform</artifactId>
        </exclusion>
      </exclusions>
    </dependency>
    <dependency>
      <groupId>org.bytedeco.javacpp-presets</groupId>
      <artifactId>ffmpeg</artifactId>
      <version>4.0.2-1.4.3</version>
    </dependency>

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