淄博网站制作哪家公司好,东莞网站设计公司哪家好,信息流优化师简历模板,wordpress文章自适应图片大小之前的文章介绍ViewFaceCore模块的FaceAntiSpoofing类支持单帧活体检测#xff08;AntiSpoofing函数#xff09;及视频活体检测#xff08;AntiSpoofingVideo函数#xff09;#xff0c;视频活体检测时从摄像头中抓取一帧图片进行检测#xff0c;当检测结果状态为Detecti… 之前的文章介绍ViewFaceCore模块的FaceAntiSpoofing类支持单帧活体检测AntiSpoofing函数及视频活体检测AntiSpoofingVideo函数视频活体检测时从摄像头中抓取一帧图片进行检测当检测结果状态为Detecting时继续从摄像头中抓取图片直至检测结果不为Detecting。本文中主要测试视频活体检测函数AntiSpoofingVideo。 新建Winform项目添加以下程序集以支持从摄像头中获取图片及人脸识别。
Hompus.VideoInputDevices
DirectShowLib.Standard
OpenCvSharp4
OpenCvSharp4.Extensions
OpenCvSharp4.runtime.win
ViewFaceCore
ViewFaceCore.all_models
ViewFaceCore.Extension.SkiaSharp
ViewFaceCore.runtime.win.x64操作摄像头获取图片的示例详见《测试C#使用OpenCvSharp从摄像头获取图片》调用ViewFaceCore进行视频活体检测的代码如下所示
FaceDetector faceDetector new FaceDetector();
FaceLandmarker faceMark new FaceLandmarker();
FaceAntiSpoofing faceAntiSpoofing new FaceAntiSpoofing();AntiSpoofingResult result null;do
{m_capture.Read(m_image);if (m_image.Empty())continue;var bitmap SKBitmap.Decode(m_image.ToBytes());var info faceDetector.Detect(bitmap).First();var markPoints faceMark.Mark(bitmap, info);result faceAntiSpoofing.AntiSpoofingVideo(bitmap, info, markPoints);
}
while (result ! null result.Status AntiSpoofingStatus.Detecting);MessageBox.Show($活体检测结果{result.Status}清晰度:{result.Clarity}真实度{result.Reality});实际测试过程中人不能移动的太快或完全静止否则从图片中获取的人脸的清晰度或真实度较低从而导致活体检测为Spoof攻击人脸假人脸。
参考文献 [1]https://github.com/ViewFaceCore/ViewFaceCore [2]https://blog.csdn.net/gc_2299/article/details/131880084
