private void checkResult(LivenessModel model)
{
if (model == null)
{
ClearTip();
return;
}
displayResult(model);
int type = model.getLiveType();
bool livenessSuccess = false;
// 同一时刻都通过才认为活体通过，开发者也可以根据自己的需求修改策略
if ((type & FaceLiveness.MASK_RGB) == FaceLiveness.MASK_RGB)
{
livenessSuccess = (model.getRgbLivenessScore() > FaceEnvironment.LIVENESS_RGB_THRESHOLD) ? true : false;
}
if ((type & FaceLiveness.MASK_IR) == FaceLiveness.MASK_IR)
{
bool irScore = (model.getIrLivenessScore() > FaceEnvironment.LIVENESS_IR_THRESHOLD) ? true : false;
if (!irScore)
{
livenessSuccess = false;
}
else
{
livenessSuccess &= irScore;
}
}
if ((type & FaceLiveness.MASK_DEPTH) == FaceLiveness.MASK_DEPTH)
{
bool depthScore = (model.getDepthLivenessScore() > FaceEnvironment.LIVENESS_DEPTH_THRESHOLD) ? true :
false;
if (!depthScore)
{
livenessSuccess = false;
}
else
{
livenessSuccess &= depthScore;
}
}
if (livenessSuccess)
{
attrCheck(model.getFaceInfo(), model.getImageFrame());
}
}
/**
* 绘制人脸框。
*/
private void showFrame2(LivenessModel model)
{
if (camemra1IsRgb)
{
Canvas canvas2 = textureViewOne.LockCanvas();
if (canvas2 == null)
{
textureViewOne.UnlockCanvasAndPost(canvas2);
return;
}
if (model == null)
{
canvas2.DrawColor(Color.Transparent, PorterDuff.Mode.Clear);
textureViewOne.UnlockCanvasAndPost(canvas2);
return;
}
FaceInfo[] faceInfos = model.getTrackFaceInfo();
ImageFrame imageFrame = model.getImageFrame();
if (faceInfos == null || faceInfos.Length == 0)
{
// 清空canvas
canvas2.DrawColor(Color.Transparent, PorterDuff.Mode.Clear);
textureViewOne.UnlockCanvasAndPost(canvas2);
return;
}
canvas2.DrawColor(Color.Transparent, PorterDuff.Mode.Clear);
FaceInfo faceInfo2 = faceInfos[0];
rectF.Set(getFaceRectTwo(faceInfo2, imageFrame));
// 检测图片的坐标和显示的坐标不一样，需要转换。
// mPreview[typeIndex].mapFromOriginalRect(rectF);
float yaw2 = Java.Lang.Math.Abs(faceInfo2.HeadPose[0]);
float patch2 = Java.Lang.Math.Abs(faceInfo2.HeadPose[1]);
float roll2 = Java.Lang.Math.Abs(faceInfo2.HeadPose[2]);
if (yaw2 > 20 || patch2 > 20 || roll2 > 20)
{
// 不符合要求，绘制黄框
paint.Color = (Color.Yellow);
string text = "请正视屏幕";
float width = paint.MeasureText(text) + 50;
float x = rectF.CenterX() - width / 2;
paint.Color = (Color.Red);
paint.SetStyle(Paint.Style.Fill);
canvas2.DrawText(text, x + 25, rectF.Top - 20, paint);
paint.Color = (Color.Yellow);
}
else
{
// 符合检测要求，绘制绿框
paint.Color = (Color.Green);
}
paint.SetStyle(Paint.Style.Stroke);
// 绘制框
canvas2.DrawRect(rectF, paint);
textureViewOne.UnlockCanvasAndPost(canvas2);
Canvas canvas = textureView.LockCanvas();
if (canvas == null)
{
textureView.UnlockCanvasAndPost(canvas);
return;
}
if (faceInfos == null || faceInfos.Length == 0)
{
// 清空canvas
canvas.DrawColor(Color.Transparent, PorterDuff.Mode.Clear);
textureView.UnlockCanvasAndPost(canvas);
return;
}
canvas.DrawColor(Color.Transparent, PorterDuff.Mode.Clear);
textureView.UnlockCanvasAndPost(canvas);
}
else
{
Canvas canvas = textureView.LockCanvas();
if (canvas == null)
{
textureView.UnlockCanvasAndPost(canvas);
return;
}
if (model == null)
{
// 清空canvas
canvas.DrawColor(Color.Transparent, PorterDuff.Mode.Clear);
textureView.UnlockCanvasAndPost(canvas);
return;
}
FaceInfo[] faceInfos = model.getTrackFaceInfo();
ImageFrame imageFrame = model.getImageFrame();
if (faceInfos == null || faceInfos.Length == 0)
{
// 清空canvas
canvas.DrawColor(Color.Transparent, PorterDuff.Mode.Clear);
textureView.UnlockCanvasAndPost(canvas);
return;
}
canvas.DrawColor(Color.Transparent, PorterDuff.Mode.Clear);
FaceInfo faceInfo = faceInfos[0];
rectF.Set(getFaceRectTwo(faceInfo, imageFrame));
// 检测图片的坐标和显示的坐标不一样，需要转换。
// mPreview[typeIndex].mapFromOriginalRect(rectF);
float yaw = Java.Lang.Math.Abs(faceInfo.HeadPose[0]);
float patch = Java.Lang.Math.Abs(faceInfo.HeadPose[1]);
float roll = Java.Lang.Math.Abs(faceInfo.HeadPose[2]);
if (yaw > 20 || patch > 20 || roll > 20)
{
// 不符合要求，绘制黄框
paint.Color = (Color.Yellow);
string text = "请正视屏幕";
float width = paint.MeasureText(text) + 50;
float x = rectF.CenterX() - width / 2;
paint.Color = (Color.Red);
paint.SetStyle(Paint.Style.Fill);
canvas.DrawText(text, x + 25, rectF.Top - 20, paint);
paint.Color = (Color.Yellow);
}
else
{
// 符合检测要求，绘制绿框
paint.Color = (Color.Green);
}
paint.SetStyle(Paint.Style.Stroke);
// 绘制框
canvas.DrawRect(rectF, paint);
textureView.UnlockCanvasAndPost(canvas);
Canvas canvas2 = textureViewOne.LockCanvas();
if (canvas2 == null)
{
textureViewOne.UnlockCanvasAndPost(canvas2);
return;
}
if (faceInfos == null || faceInfos.Length == 0)
{
// 清空canvas
canvas2.DrawColor(Color.Transparent, PorterDuff.Mode.Clear);
textureViewOne.UnlockCanvasAndPost(canvas2);
return;
}
canvas2.DrawColor(Color.Transparent, PorterDuff.Mode.Clear);
textureViewOne.UnlockCanvasAndPost(canvas2);
}
}
private void checkResult(LivenessModel model)
{
if (model == null)
{
return;
}
displayResult(model);
int type = model.getLiveType();
bool livenessSuccess = false;
// 同一时刻都通过才认为活体通过，开发者也可以根据自己的需求修改策略
if ((type & FaceLiveness.MASK_RGB) == FaceLiveness.MASK_RGB)
{
livenessSuccess = (model.getRgbLivenessScore() > FaceEnvironment.LIVENESS_RGB_THRESHOLD) ? true : false;
}
if ((type & FaceLiveness.MASK_IR) == FaceLiveness.MASK_IR)
{
bool irScore = (model.getIrLivenessScore() > FaceEnvironment.LIVENESS_IR_THRESHOLD) ? true : false;
if (!irScore)
{
livenessSuccess = false;
}
else
{
livenessSuccess &= irScore;
}
}
if ((type & FaceLiveness.MASK_DEPTH) == FaceLiveness.MASK_DEPTH)
{
bool depthScore = (model.getDepthLivenessScore() > FaceEnvironment.LIVENESS_DEPTH_THRESHOLD) ? true :
false;
if (!depthScore)
{
livenessSuccess = false;
}
else
{
livenessSuccess &= depthScore;
}
}
if (livenessSuccess)
{
Bitmap bitmap = FaceCropper.getFace(model.getImageFrame().getArgb(),
model.getFaceInfo(), model.getImageFrame().getWidth());
if (source == RegActivity.SOURCE_REG)
{
// 注册来源保存到注册人脸目录
File faceDir = FileUitls.getFaceDirectory();
if (faceDir != null)
{
string imageName = System.Guid.NewGuid().ToString();
File file = new File(faceDir, imageName);
// 压缩人脸图片至300 * 300，减少网络传输时间
ImageUtils.resize(bitmap, file, 300, 300);
Intent intent = new Intent();
intent.PutExtra("file_path", file.AbsolutePath);
SetResult(Result.Ok, intent);
success = true;
Finish();
}
else
{
toast("注册人脸目录未找到");
}
}
else
{
try
{
// 其他来源保存到临时目录
File file = File.CreateTempFile(System.Guid.NewGuid().ToString() + "", ".jpg");
ImageUtils.resize(bitmap, file, 300, 300);
Intent intent = new Intent();
intent.PutExtra("file_path", file.AbsolutePath);
SetResult(Result.Ok, intent);
success = true;
Finish();
}
catch (IOException e)
{
e.PrintStackTrace();
}
}
}
}
// 活体检测
private bool onLivenessCheck(int width, int height, int type)
{
bool isLiveness = false;
// 判断当前是否有人脸
long startTime = DateTime.Now.Millisecond;
int errorCode = FaceSDKManager.getInstance().getFaceDetector().detect(mRgbArray, width, height);
LivenessModel livenessModel = new LivenessModel();
livenessModel.setRgbDetectDuration(DateTime.Now.Millisecond - startTime);
livenessModel.getImageFrame().setArgb(mRgbArray);
livenessModel.getImageFrame().setWidth(width);
livenessModel.getImageFrame().setHeight(height);
livenessModel.setLiveType(type);
livenessModel.setFaceDetectCode(errorCode);
Log.Debug(TAG, "max_face_verification: " + errorCode + " duration:" + (DateTime.Now.Millisecond - startTime));
if (errorCode == FaceTracker.ErrCode.Ok.Ordinal() || errorCode == FaceTracker.ErrCode.DataHitLast.Ordinal())
{
FaceInfo[] trackedface = FaceSDKManager.getInstance().getFaceDetector().TrackedFaces;
livenessModel.setTrackFaceInfo(trackedface);
if (trackedface != null && trackedface.Length > 0)
{
FaceInfo faceInfo = trackedface[0];
livenessModel.setFaceInfo(faceInfo);
// 塞选人脸，可以调节距离、角度
// if (!filter(faceInfo, width, height)) {
// livenessCallBack.onCallback(null);
// return isLiveness;
// }
if (livenessCallBack != null)
{
livenessCallBack.onTip(0, "活体判断中");
}
float rgbScore = 0;
if ((type & MASK_RGB) == MASK_RGB)
{
startTime = DateTime.Now.Millisecond;
rgbScore = rgbLiveness(mRgbArray, width, height, FaceFeature.PerformQuery <int>(trackedface[0].Landmarks));
livenessModel.setRgbLivenessScore(rgbScore);
livenessModel.setRgbLivenessDuration(DateTime.Now.Millisecond - startTime);
}
float irScore = 0;
if ((type & MASK_IR) == MASK_IR)
{
float maxWidth = 0;
int maxId = 0;
float detectScore = 0;
if (trackedface != null && trackedface.Length > 0)
{
for (int i = 0; i < trackedface.Length; i++)
{
if (trackedface[i].MWidth > maxWidth)
{
maxId = i;
maxWidth = trackedface[i].MWidth;
detectScore = trackedface[i].MConf;
}
}
}
if (trackedface != null)
{
float[] faceT = new float[] { trackedface[maxId].MCenterX,
trackedface[maxId].MCenterY, trackedface[maxId].MWidth,
trackedface[maxId].MAngle };
int[] shape = new int[144];
int[] nPoint = new int[] { 0 };
float[] score = new float[] { 0.0F };
FaceSDK.Run_align(nirRgbArray, height, width, FaceSDK.ImgType.Argb,
FaceSDK.AlignMethodType.Cdnn, faceT, shape, nPoint, score, detectScore);
livenessModel.setShape(shape);
startTime = DateTime.Now.Millisecond;
// irScore = irLiveness(mIrByte, width, height, trackedfaces[0].landmarks);
irScore = irLiveness(mIrByte, width, height, shape);
livenessModel.setIrLivenessDuration(DateTime.Now.Millisecond - startTime);
livenessModel.setIrLivenessScore(irScore);
}
}
float depthScore = 0;
if ((type & MASK_DEPTH) == MASK_DEPTH)
{
startTime = DateTime.Now.Millisecond;
if (trackedface != null)
{
depthScore = depthLiveness(mDepthArray, width, height, FaceFeature.PerformQuery <int>(trackedface[0].Landmarks));
livenessModel.setDetphtLivenessDuration(DateTime.Now.Millisecond - startTime);
livenessModel.setDepthLivenessScore(depthScore);
}
}
if (livenessCallBack != null)
{
livenessCallBack.onCallback(livenessModel);
}
// long time = System.currentTimeMillis();
// saveRgbImage(String.valueOf(time), rgbScore, mRgbArray, width, height);
// saveFile(String.valueOf(time), "nir", irScore, mIrByte);
// saveFile(String.valueOf(time), "depth", depthScore, mDepthArray);
}
}
else
{
checkFaceCode(errorCode);
if (livenessCallBack != null)
{
livenessCallBack.onCallback(null);
}
}
// clearInfo();
FaceInfo[] trackedfaces = FaceSDKManager.getInstance().getFaceDetector().TrackedFaces;
livenessModel.setTrackFaceInfo(trackedfaces);
if (livenessCallBack != null)
{
livenessCallBack.onCanvasRectCallback(livenessModel);
}
return(isLiveness);
}