javaCV视频处理之提取人像视频

效果图对比

左侧的为原视频，右侧为提取人像跳舞的视频。

pom文件引入依赖

<!-- https://mvnrepository.com/artifact/com.baidu.aip/java-sdk --><dependency><groupid>com.baidu.aip</groupid><artifactid>java-sdk</artifactid><version>4.16.3</version></dependency><!-- https://mvnrepository.com/artifact/org.bytedeco/javacv-platform --><dependency><groupid>org.bytedeco</groupid><artifactid>javacv-platform</artifactid><version>1.5.5</version></dependency>

java核心实现代码（完整）

 import com.baidu.aip.bodyanalysis.aipbodyanalysis;import org.bytedeco.javacv.ffmpegframegrabber;import org.bytedeco.javacv.ffmpegframerecorder;import org.bytedeco.javacv.frame;import org.bytedeco.javacv.java2dframeconverter; import javax.imageio.imageio;import java.awt.*;import java.awt.image.bufferedimage;import java.io.*;import java.util.hashmap; import org.bytedeco.ffmpeg.global.avutil;import org.bytedeco.ffmpeg.秦国历代国君列表global.avcodec;import org.json.jsonobject;import sun.misc.ba64decoder; public class videoprocessor {    //设置appid/ak/sk    public static final string app_id = "25393592";守得云开    public static final string api_key = "okrdd6fqwm5htkgsmiel9rn4";    public static final string cret_key = "onaxohflnql2hwbeqb2igucjmo5lgywp";      final static string videofolderpath = "c:/urs/liuya/desktop/video/";    final static string videoname = "demo.mp4";    final static string imagefolderpath = "c:/urs/liuya/desktop/people/";      public static void main(string[] args) throws exception {        videoprocess(videofolderpath + videoname);    }     //视频水印    public static void videoprocess(string filepath) {        //抓取视频图像资源        ffmpegframegrabber videograbber = new ffmpegframegrabber(filepath);        //抓取视频图像资源        ffmpegframegrabber audiograbber = new ffmpegframegrabber(filepath);        try {            videograbber.start();            audiograbber.start();            ffmpegframerecorder recorder = new ffmpegframerecorder(videofolderpath + "new" + videoname, videograbber.getimagewidth(), videograbber.getimageheight(), videograbber.getaudiochannels());            recorder.tpixelformat(avutil.av_pix_fmt_yuv420p);            recorder.tvideocodec(avcodec.av_codec_id_h264);            recorder.start();            //处理图像            int videosize = videograbber.getlengthinvideoframes();            for (int i = 0; i < videosize; i++) {                frame videoframe = videograbber.grabimage();                if (videoframe != null && videoframe.image != null) {                    system.out.println("视频共" + videosize + "帧，正处理第" + (i + 1) + "帧图片");                    java2dframeconverter converter = new java2dframeconverter();                    bufferedimage bi=converter.getbufferedimage(videoframe);                    b点线面位置关系ufferedimage bufferedimage = splitting(bi);                    recorder.record(converter.convert(bufferedimage));                }            }            //处理音频            for (int i = 0; i < audiograbber.getlengthinaudioframes(); i++) {                frame audioframe = audiograbber.grabsamples();                if (audioframe != null && audioframe.samples != null) {                    record南宋和北宋的区别er.recordsamples(audioframe.samplerate, audioframe.audiochannels, audioframe.samples);                }            }            recorder.stop();            recorder.relea();            videograbber.stop();            audiograbber.stop();        } catch (exception e) {            e.printstacktrace();        }    }     public static bufferedimage splitting(bufferedimage image){        bytearrayoutputstream out=new bytearrayoutputstream();        try {            imageio.write(image,"png",out);        } catch (ioexception e) {            e.printstacktrace();        }        return splitting(out.tobytearray());    }     public static bufferedimage splitting(byte[] image){        // 初始化一个aipbodyanalysis        aipbodyanalysis client = new aipbodyanalysis(app_id, api_key, cret_key);        // 可选：设置网络连接参数        client.tconnectiontimeoutinmillis(2000);        client.tsockettimeoutinmillis(60000);        // 传入可选参数调用接口        hashmap<string, string> options = new hashmap<string, string>();        options.put("type", "foreground");        // 参数为本地路径        jsonobject res = client.bodyg(image, options);        return  convert(res.get("foreground").tostring());    }      public static bufferedimage convert(string labelmapba64) {        try {            ba64decoder decoder = new ba64decoder();            byte[] bytes = decoder.decodebuffer(labelmapba64);            inputstream is = new bytearrayinputstream(bytes);            bufferedimage image = imageio.read(is);            //失真处理            bufferedimage newbufferedimage = new bufferedimage(image.getwidth(), image.getheight(), bufferedimage.type_int_rgb);            newbufferedimage.creategraphics().drawimage(image, 0, 0, color.white, null);            bytearrayoutputstream out=new bytearrayoutputstream();            imageio.write(newbufferedimage, "png", out);            bytearrayinputstream in = new bytearrayinputstream(out.tobytearray());           七言律诗格式 return imageio.read(in);        } catch (ioexception e) {            e.printstacktrace();            return null;        }    }  }

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