有害(色情\恐怖\暴力)视频, 严重危害网络的健康, 需要进行检测和过滤.
检测色情\恐怖视频, 通过检测程序, 检测出多个场景的概率, 然后进行排序, 当场景多余6个时, 只取最大的6个场景;
返回的概率值是前3个最大检测值场景的概率的均值;
色情\恐怖汇总时, 首先检测色情, 如果为色情视频, 则不进行恐怖的检测, 否则继续检测恐怖, 如果都不时, 则为未知视频.
代码:
- #include "stdafx.h"
- #include "VideoDetector.h"
- using namespace std;
- double detectPornVideo(
- std::vector<PornSceneInfo>& infosSet,
- const std::string _fileName,
- const std::string _imagePath,
- const std::string _imageName,
- const std::string _modelPath)
- {
- struct bigger {
- bool operator() (PornSceneInfo i, PornSceneInfo j) { return (i.prop>j.prop); }
- } mybigger;
- double finalResult(0.0);
- const int FirstNum(3); //计算最大3个的概率
- const int MaxImageNum(6); //最多返回6个结构体
- std::vector<PornSceneInfo> vResults;
- const std::string fileName(_fileName);
- const std::string imagePath(_imagePath); //提前新建文件夹
- const std::string imageName(_imageName);
- const std::string modelPath(_modelPath);
- const std::size_t shotInterval(100);
- const std::size_t sceneShotNum(20);
- std::size_t num = PornVideoSceneNum(fileName.c_str(), shotInterval, sceneShotNum);
- PornSceneInfo* resultSet = new PornSceneInfo[num];
- if (PornVideoDetector_Info(resultSet, imagePath.c_str(), fileName.c_str(), imageName.c_str(),
- modelPath.c_str(), shotInterval, sceneShotNum))
- {
- for (std::size_t i=0; i<num; ++i) {
- vResults.push_back(resultSet[i]);
- }
- } else {
- std::cout << " Failed to detect the video! " << std::endl;
- }
- delete[] resultSet;
- resultSet = nullptr;
- if (num > MaxImageNum) {
- std::sort(vResults.begin(), vResults.end(), mybigger);
- for(int i=0; i<MaxImageNum; ++i) {
- infosSet.push_back(vResults[i]); //从大到小排列, 最多包涵MaxImageNum个
- }
- } else {
- std::sort(vResults.begin(), vResults.end(), mybigger);
- infosSet = vResults;
- }
- if (num > FirstNum) {
- std::sort(vResults.begin(), vResults.end(), mybigger);
- for(int i=0; i<FirstNum; ++i) {
- finalResult += vResults[i].prop; //大于3个只取前3个
- }
- finalResult /= FirstNum;
- } else {
- for(std::size_t i=0; i<num; ++i) {
- finalResult += vResults[i].prop;
- }
- finalResult /= num;
- }
- return finalResult;
- }
- double detectHorrorVideo(
- std::vector<HorrorSceneInfo>& infosSet,
- const std::string _fileName,
- const std::string _imagePath,
- const std::string _imageName,
- const std::string _modelPath)
- {
- struct bigger {
- bool operator() (HorrorSceneInfo i, HorrorSceneInfo j) { return (i.prop>j.prop); }
- } mybigger;
- double finalResult(0.0);
- const int FirstNum(3); //计算最大3个的概率
- const int MaxImageNum(6); //最多返回6个结构体
- std::vector<HorrorSceneInfo> vResults;
- const std::string fileName(_fileName);
- const std::string imagePath(_imagePath); //提前新建文件夹
- const std::string imageName(_imageName);
- const std::string modelPath(_modelPath);
- const std::size_t shotInterval(100);
- const std::size_t sceneShotNum(20);
- std::size_t num = HorrorVideoSceneNum(fileName.c_str(), shotInterval, sceneShotNum);
- HorrorSceneInfo* resultSet = new HorrorSceneInfo[num];
- if (HorrorVideoDetector_Info(resultSet, imagePath.c_str(), fileName.c_str(),
- imageName.c_str(), modelPath.c_str(), shotInterval, sceneShotNum))
- {
- for (std::size_t i=0; i<num; ++i) {
- vResults.push_back(resultSet[i]);
- }
- } else {
- std::cout << " Failed to detect the video! " << std::endl;
- }
- delete[] resultSet;
- resultSet = nullptr;
- if (num > MaxImageNum) {
- std::sort(vResults.begin(), vResults.end(), mybigger);
- for(int i=0; i<MaxImageNum; ++i) {
- infosSet.push_back(vResults[i]);
- }
- } else {
- std::sort(vResults.begin(), vResults.end(), mybigger);
- infosSet = vResults;
- }
- if (num > FirstNum) {
- std::sort(vResults.begin(), vResults.end(), mybigger);
- for(int i=0; i<FirstNum; ++i) {
- finalResult += vResults[i].prop;
- }
- finalResult /= FirstNum;
- } else {
- for(std::size_t i=0; i<num; ++i) {
- finalResult += vResults[i].prop;
- }
- finalResult /= num;
- }
- return finalResult;
- }
- void videoDetector(
- const char* const _fileName, /*文件名*/
- const char* const _imagePath, /*图片路径*/
- const char* const _imageName, /*图片名称*/
- int& _signal, /*标志位, 0未知, 1色情, 2恐怖*/
- double& _prop, /*概率*/
- std::vector<SceneInfo>& _infosSet
- )
- {
- _signal = 0;
- _prop = 0.0;
- const std::string fileName(_fileName);
- const std::string imagePath(_imagePath); //提前新建文件夹
- const std::string imageName(_imageName);
- const std::string modelPath("./models");
- double pornResult(-1.0);
- double horrorResult(-1.0);
- std::vector<PornSceneInfo> pornInfosSet;
- std::vector<HorrorSceneInfo> horrorInfosSet;
- try {
- pornResult = detectPornVideo(pornInfosSet, fileName, imagePath, imageName, modelPath);
- } catch (std::exception ex) {
- std::cout << ex.what() << std::endl;
- }
- std::vector<SceneInfo> infosSet(pornInfosSet.size());
- for (std::size_t i=0; i<pornInfosSet.size(); ++i)
- {
- std::cout << " Scene[" << i << "] Prop : " << pornInfosSet[i].prop << std::endl;
- std::cout << " Scene[" << i << "] Image Path : " << pornInfosSet[i].imagePath << std::endl;
- std::cout << " Scene[" << i << "] Begin Time : " << pornInfosSet[i].btime << std::endl;
- std::cout << " Scene[" << i << "] End Time : " << pornInfosSet[i].etime << std::endl;
- std::cout << " Scene[" << i << "] Begin Pos : " << pornInfosSet[i].bpos << std::endl;
- std::cout << " Scene[" << i << "] End Pos : " << pornInfosSet[i].epos << std::endl;
- infosSet[i].prop = pornInfosSet[i].prop;
- strcpy(infosSet[i].imagePath, pornInfosSet[i].imagePath);
- infosSet[i].btime = pornInfosSet[i].btime;
- infosSet[i].etime = pornInfosSet[i].etime;
- infosSet[i].bpos = pornInfosSet[i].bpos;
- infosSet[i].epos = pornInfosSet[i].epos;
- }
- if (pornResult > 0.7) { //返回色情
- std::cout << "Porn Result = " << pornResult << std::endl;
- _signal = 1;
- _prop = pornResult;
- _infosSet = infosSet;
- return;
- }
- try {
- horrorResult = detectHorrorVideo(horrorInfosSet, fileName, imagePath, imageName, modelPath);
- } catch (std::exception ex) {
- std::cout << ex.what() << std::endl;
- }
- for (std::size_t i=0; i<horrorInfosSet.size(); ++i)
- {
- std::cout << " Scene[" << i << "] Prop : " << horrorInfosSet[i].prop << std::endl;
- std::cout << " Scene[" << i << "] Image Path : " << horrorInfosSet[i].imagePath << std::endl;
- std::cout << " Scene[" << i << "] Begin Time : " << horrorInfosSet[i].btime << std::endl;
- std::cout << " Scene[" << i << "] End Time : " << horrorInfosSet[i].etime << std::endl;
- std::cout << " Scene[" << i << "] Begin Pos : " << horrorInfosSet[i].bpos << std::endl;
- std::cout << " Scene[" << i << "] End Pos : " << horrorInfosSet[i].epos << std::endl;
- infosSet[i].prop = horrorInfosSet[i].prop;
- strcpy(infosSet[i].imagePath,horrorInfosSet[i].imagePath);
- infosSet[i].btime = horrorInfosSet[i].btime;
- infosSet[i].etime = horrorInfosSet[i].etime;
- infosSet[i].bpos = horrorInfosSet[i].bpos;
- infosSet[i].epos = horrorInfosSet[i].epos;
- }
- if (horrorResult > 0.6) { //返回恐怖
- std::cout << "Horror Result = " << horrorResult << std::endl;
- _signal = 2;
- _prop = horrorResult;
- _infosSet = infosSet;
- return;
- }
- _infosSet = infosSet;
- std::cout << "Porn Result = " << pornResult << std::endl;
- std::cout << "Horror Result = " << horrorResult << std::endl;
- return;
- }