/// <summary>
/// 进行检测
/// </summary>
/// <param name="image">待检测的图像数据</param>
/// <param name="result">检测结果</param>
/// <returns>成功返回 MOK，否则返回失败 code</returns>
public override ErrorCode Detect(Bitmap image, out LocateResult result, LocateOperation operation = LocateOperation.None)
{
var ret = ErrorCode.Ok;
result = CommonOperation.OffInputOperation(image,
(offInput, pImageData) => Detect(offInput, pImageData, out ret, operation));
return(ret);
}
/// <summary>
/// 进行检测
/// </summary>
/// <param name="imageData">图像数据</param>
/// <param name="width">图像宽度</param>
/// <param name="height">图像高度</param>
/// <param name="result">识别结果</param>
/// <param name="pixelSize">像素大小</param>
/// <returns>成功返回 MOK，否则返回失败 code</returns>
public override ErrorCode Detect(byte[] imageData, int width, int height, out LocateResult result,
int pixelSize = 3, LocateOperation operation = LocateOperation.None)
{
var ret = ErrorCode.Ok;
result = CommonOperation.OffInputOperation(imageData, width, height,
(offInput, pImageData) => Detect(offInput, pImageData, out ret, operation));
return(ret);
}
/// <summary>
/// 定位并抽取特征数据
/// </summary>
/// <param name="image">待处理的图像</param>
/// <param name="operation">抽取操作</param>
/// <returns>特征数据数组</returns>
public Feature[] LocateExtract(Bitmap image, LocateOperation operation = LocateOperation.None)
{
var code = _locator.Detect(image, out var location, operation);
if (code != ErrorCode.Ok)
{
throw new FaceException(code);
}
if (!location.HasFace)
{
//释放资源
location.Dispose();
return(null);
}
;
var features = _recognize.ExtractFeatures(location);
return(features);
}
public abstract ErrorCode Detect(byte[] imageData, int width, int height, out LocateResult result, int pixelSize = 3, LocateOperation operation = LocateOperation.None);
public abstract ErrorCode Detect(Bitmap image, out LocateResult result, LocateOperation operation = LocateOperation.None);
private LocateResult Detect(ImageData offInput, IntPtr pImageData, out ErrorCode ret, LocateOperation operation = LocateOperation.None)
{
var retCode =
TrackingWrapper.AFT_FSDK_FaceFeatureDetect(Engine, ref offInput, out var pDetectResult);
ret = (ErrorCode)retCode;
if (ret == ErrorCode.Ok)
{
var nativeResult = pDetectResult.ToStruct <AFT_FSDK_FACERES>();
var resolveResult = new LocateResult
{
FaceCount = nativeResult.nFace,
FacesOrient = Enumerable.Repeat((OrientCode)nativeResult.lfaceOrient, nativeResult.nFace)
.ToArray()
};
resolveResult.Faces = nativeResult.rcFace.ToStructArray <FaceRect>(resolveResult.FaceCount);
resolveResult.OffInput = offInput;
resolveResult.ImageDataPtr = pImageData;
if (operation.HasFlag(LocateOperation.IncludeAge))
{
//检测年龄
if (ageEstimate == null)
{
throw new InvalidOperationException("请采用年龄识别模块初始化检测器");
}
resolveResult = ageEstimate.StaticEstimation(resolveResult, false);
}
if (operation.HasFlag(LocateOperation.IncludeGender))
{
//性别
if (genderEstimate == null)
{
throw new InvalidOperationException("请采用性别识别模块初始化检测器");
}
resolveResult = genderEstimate.StaticEstimation(resolveResult, false);
}
return(resolveResult);
}
return(default(LocateResult));
}
/// <summary>
/// 定位并抽取特征数据
/// </summary>
/// <param name="imageData">待处理的图像数据</param>
/// <param name="width">图像宽度</param>
/// <param name="height">图像高度</param>
/// <param name="pixelSize">像素大小</param>
/// <param name="operation">抽取操作</param>
/// <returns>特征数据数组</returns>
public Feature[] LocateExtract(byte[] imageData, int width, int height, int pixelSize = 3, LocateOperation operation = LocateOperation.None)
{
var code = _locator.Detect(imageData, width, height, out var location, pixelSize, operation);
if (code != ErrorCode.Ok)
{
throw new FaceException(code);
}
if (!location.HasFace)
{
//释放资源
location.Dispose();
return(null);
}
;
var features = _recognize.ExtractFeatures(location);
return(features);
}
private LocateResult Detect(ImageData offInput, IntPtr pImageData, out ErrorCode ret, LocateOperation operation = LocateOperation.None)
{
System.IntPtr pDetectResult;
var retCode =
DetectionWrapper.AFD_FSDK_StillImageFaceDetection(Engine, ref offInput, out pDetectResult);
ret = (ErrorCode)retCode;
if (ret == ErrorCode.Ok)
{
var nativeResult = pDetectResult.ToStruct <AFD_FSDK_FACERES>();
var resolveResult = new LocateResult {
FaceCount = nativeResult.nFace
};
var facesOrient = nativeResult.lfaceOrient.ToStructArray <int>(resolveResult.FaceCount);
resolveResult.FacesOrient = facesOrient.Select(e => (OrientCode)e).ToArray();
resolveResult.Faces = nativeResult.rcFace.ToStructArray <FaceRect>(resolveResult.FaceCount);
resolveResult.OffInput = offInput;
resolveResult.ImageDataPtr = pImageData;
if (operation.HasFlag(LocateOperation.IncludeAge))
{
//检测年龄
if (ageEstimate == null)
{
throw new InvalidOperationException("请采用年龄识别模块初始化检测器");
}
resolveResult = ageEstimate.StaticEstimation(resolveResult, false);
}
if (operation.HasFlag(LocateOperation.IncludeGender))
{
//性别
if (genderEstimate == null)
{
throw new InvalidOperationException("请采用性别识别模块初始化检测器");
}
resolveResult = genderEstimate.StaticEstimation(resolveResult, false);
}
return(resolveResult);
}
return(default(LocateResult));
}
