一款基于DCT算法的水印嵌入和提取的移动智能终端数字图像证据系统Android APP，水印载体形式包括二维码和图片两种，在简易模式下，水印信息仅包括IMEI；在完整模式下，水印信息包括地点、时间、IMEI、Android ID。
Home Page: https://github.com/ZanderChang/DigitalWatermark
一款基于DCT算法的水印嵌入和提取的移动智能终端数字图像证据系统APP，水印载体形式包括二维码和图片两种.在简易模式下，水印信息仅包括IMEI；在完整模式下，水印信息包括地点（经纬度以及在联网情况下获取的具体地理位置描述）、时间、IMEI、Android ID。
AndroidManifest.xml中com.baidu.lbsapi.API_KEY的值。MediaStore.Images.Media.insertImage(MainActivity.this.getContentResolver(), path, picName, null)会导致程序异常奔溃，且无法捕获异常，在5.0系统中无此现象。
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