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ArcFaceSDKIEVersion.pas
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ArcFaceSDKIEVersion.pas
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(*******************************************************
* 虹软人脸识别SDK封装 ImageEN 版
* 版权所有 (C) 2017 NJTZ eMail:[email protected]
*******************************************************)
unit ArcFaceSDKIEVersion;
interface
uses Windows, Messages, SysUtils, System.Classes, amcomdef, ammemDef,
arcsoft_fsdk_face_detection,
arcsoft_fsdk_face_recognition,
arcsoft_fsdk_face_tracking, asvloffscreendef, merrorDef,
arcsoft_fsdk_age_estimation, arcsoft_fsdk_gender_estimation,
Vcl.Graphics, Vcl.Imaging.jpeg, System.Generics.Collections, ArcFaceSDK,
hyieutils, hyiedefs, imageenio, imageenproc, imageenview, System.Math;
type
TResampleOptions = record
NewWidth: Integer;
NewHeight: Integer;
Filter: TResampleFilter;
end;
TArcFaceSDKIEVersion = class(TArcFaceSDK)
private
FContrastRatio: Double;
FResampleFilter: TResampleFilter;
FResampleHeight: Integer;
FResampleWidth: Integer;
FImgDataInfoCache: TImgdataInfo;
public
constructor Create;
destructor Destroy; override;
class function CropFace(ASouceIEBitmap, ADestBitmap: TIEBitmap; AFaceRegion:
AFR_FSDK_FACEINPUT; AExtendRatio, AResampleWidth, AResampleHeight: Integer;
AResampleFilter: TResampleFilter): Boolean;
function DetectAndRecognitionFacesFromIEBitmap(ABitmap: TIEBitmap; var
AFaceRegions: TList<AFR_FSDK_FACEINPUT>; var AFaceModels: TFaceModels;
AOutIEBitmp: TIEBitmap; AResampleWidth, AResampleHeight: Integer;
AResampleFilter: TResampleFilter; AContrast: Double; AUseCache: Boolean):
Boolean; overload;
function DetectAndRecognitionFacesFromIEBitmap(ABitmap: TIEBitmap; var
AFaceRegions: TList<AFR_FSDK_FACEINPUT>; var AFaceModels: TFaceModels;
AOutIEBitmp: TIEBitmap; AUseCache: Boolean): Boolean; overload;
function DetectAndRecognitionFacesFromBitmapEX(ABitmap: TBitmap; var
AFaceRegions: TList<AFR_FSDK_FACEINPUT>; var AFaceModels: TFaceModels;
AOutIEBitmp: TIEBitmap; AResampleWidth, AResampleHeight: Integer;
AResampleFilter: TResampleFilter; AContrast: Double; AUseCache: Boolean):
Boolean; overload;
function DetectFacesAndAgeGenderFromBitmapEX(ABitmap: TBitmap;
var AFaceInfos:
TList<TFaceBaseInfo>; AOutIEBitmp: TIEBitmap; AResampleWidth,
AResampleHeight: Integer; AResampleFilter: TResampleFilter; AContrast:
Double; AUseCache: Boolean): Boolean; overload;
function DetectAndRecognitionFacesFromFileEx(AFileName: string; var
AFaceRegions: TList<AFR_FSDK_FACEINPUT>; var AFaceModels: TFaceModels;
AOutIEBitmp: TIEBitmap; AResampleWidth, AResampleHeight: Integer;
AResampleFilter: TResampleFilter; AContrast: Double; AUseCache: Boolean):
Boolean; overload;
function DRAGfromIEBitmap(ABitmap: TIEBitmap; var AFaceInfos:
TList<TFaceBaseInfo>; var AFaceModels: TFaceModels; AOutIEBitmp: TIEBitmap;
AResampleWidth, AResampleHeight: Integer; AResampleFilter: TResampleFilter;
AContrast: Double; AUseCache: Boolean): Boolean; overload;
function DetectFacesAndAgeGenderFromIEBitmap(ABitmap: TIEBitmap; var
AFaceInfos: TList<TFaceBaseInfo>; AOutIEBitmp: TIEBitmap; AUseCache:
Boolean): Boolean; overload;
function DetectFacesAndAgeGenderFromFileEx(AFileName: string; var AFaceInfos:
TList<TFaceBaseInfo>; AOutIEBitmp: TIEBitmap; AResampleWidth,
AResampleHeight: Integer; AResampleFilter: TResampleFilter; AContrast:
Double; AUseCache: Boolean): Boolean; overload;
function DetectFacesFromIEBitmap(ABitmap: TIEBitmap; var AFaceRegions:
TList<AFR_FSDK_FACEINPUT>; AOutIEBitmp: TIEBitmap; AResampleWidth,
AResampleHeight: Integer; AResampleFilter: TResampleFilter; AContrast:
Double; AUseCache: Boolean): Boolean; overload;
function DetectFacesFromFile(AFile: string; var AFaceRegions:
TList<AFR_FSDK_FACEINPUT>; AOutIEBitmp: TIEBitmap; AResampleWidth,
AResampleHeight: Integer; AResampleFilter: TResampleFilter; AContrast:
Double; AUseCache: Boolean): Boolean; overload;
function DetectFacesFromFile(AFile: string; var AFaceRegions:
TList<AFR_FSDK_FACEINPUT>; AOutIEBitmp: TIEBitmap; AUseCache: Boolean):
Boolean; overload;
function DetectFacesFromIEBitmap(ABitmap: TIEBitmap; var AFaceRegions:
TList<AFR_FSDK_FACEINPUT>; AOutIEBitmp: TIEBitmap; AUseCache: Boolean):
Boolean; overload;
class procedure DrawFaceRectAgeGenderEX(AView: TImageEnView;
AFaceIdx: Integer;
AFaceInfo: TFaceBaseInfo; AColor: TColor = clBlue; AWidth: Integer = 2;
ADrawIndex: Boolean = true; ATextSize: Integer = 0);
class procedure DrawFaceRectEX(AView: TImageEnView; AFaceIdx: Integer;
AFaceInfo: AFR_FSDK_FACEINPUT; AColor: TColor = clBlue; AWidth: Integer =
2; ADrawIndex: Boolean = true; ATextSize: Integer = 0);
function ExtractFaceFeatureFromIEBitmap(AIEBitmap: TIEBitmap; AFaceRegion:
AFR_FSDK_FACEINPUT; var AFaceModel: AFR_FSDK_FACEMODEL; AOutIEBitmp:
TIEBitmap; AResampleWidth, AResampleHeight: Integer; AResampleFilter:
TResampleFilter; AUseCache: Boolean): Boolean;
function MatchFaceWithIEBitmaps(AInBitmap1, AInBitmap2, AOutIEBitmp1,
AOutIEBitmp2: TIEBitmap; AResampleWidth, AResampleHeight: Integer;
AResampleFilter: TResampleFilter; AContrast: Double; AUseCache: Boolean):
Single; overload;
function MatchFaceWithIEBitmaps(AInBitmap1, AInBitmap2, AOutIEBitmp1,
AOutIEBitmp2: TIEBitmap; AContrast: Double; AUseCache: Boolean): Single;
overload;
function TrackFacesFromIEBitmap(ABitmap: TIEBitmap; var AFaceRegions:
TList<AFR_FSDK_FACEINPUT>; AUseCache: Boolean): Boolean;
class function ReadFromFile(AFileName: string; var AImgData: TImgdataInfo;
AOutIEBitmp: TIEBitmap; AResampleWidth: Integer = 0; AResampleHeight:
Integer = 0; AResampleFilter: TResampleFilter = rfNone; AContrast: Double =
0): Boolean;
class function ReadIEBitmap(ABitmap: TIEBitmap;
var AImgDataInfo: TImgdataInfo;
AOutIEBitmp: TIEBitmap; AResampleWidth: Integer = 0; AResampleHeight:
Integer = 0; AResampleFilter: TResampleFilter = rfNone; AContrast: Double =
0): Boolean; overload;
function TrackFacesAndAgeGenderFromIEBitmap(ABitmap: TIEBitmap;
var AFaceInfos:
TList<TFaceBaseInfo>; AUseCache: Boolean): Boolean;
function DetectFacesAndAgeGenderFromIEBitmap(ABitmap: TIEBitmap; var
AFaceInfos: TList<TFaceBaseInfo>; AOutIEBitmp: TIEBitmap; AResampleWidth,
AResampleHeight: Integer; AResampleFilter: TResampleFilter; AContrast:
Double; AUseCache: Boolean): Boolean; overload;
function DRAGfromIEBitmap(ABitmap: TIEBitmap; var AFaceInfos:
TList<TFaceBaseInfo>; var AFaceModels: TFaceModels; AOutIEBitmp: TIEBitmap;
AUseCache: Boolean): Boolean; overload;
function DRAGfromFile(AFileName: string;
var AFaceInfos: TList<TFaceBaseInfo>;
var AFaceModels: TFaceModels; AOutIEBitmp: TIEBitmap; AUseCache: Boolean):
Boolean; overload;
function DRAGfromFile(AFileName: string;
var AFaceInfos: TList<TFaceBaseInfo>;
var AFaceModels: TFaceModels; AOutIEBitmp: TIEBitmap; AResampleWidth,
AResampleHeight: Integer; AResampleFilter: TResampleFilter; AContrast:
Double; AUseCache: Boolean): Boolean; overload;
published
property ContrastRatio: Double read FContrastRatio write FContrastRatio;
property ResampleFilter: TResampleFilter read FResampleFilter write
FResampleFilter;
property ResampleHeight: Integer read FResampleHeight write FResampleHeight;
property ResampleWidth: Integer read FResampleWidth write FResampleWidth;
end;
implementation
constructor TArcFaceSDKIEVersion.Create;
begin
inherited;
FResampleFilter := rfLanczos3;
FResampleWidth := 0;
FResampleHeight := 0;
FContrastRatio := 0;
FImgDataInfoCache.pImgData := nil;
end;
destructor TArcFaceSDKIEVersion.Destroy;
begin
if FImgDataInfoCache.pImgData <> nil then
FreeMem(FImgDataInfoCache.pImgData);
inherited;
end;
//根据人脸框信息裁剪人脸到新文件
class function TArcFaceSDKIEVersion.CropFace(
ASouceIEBitmap, //源BMP
ADestBitmap: TIEBitmap; //目标BMP
AFaceRegion: AFR_FSDK_FACEINPUT; //人脸区域
AExtendRatio, //扩展比率，最小为0，实际应用再除以100
AResampleWidth, //目标图像宽度,0表示不变或随高度变动
AResampleHeight: Integer; //目标图像高度,0表示不变或随宽度变动
AResampleFilter: TResampleFilter//缩放滤镜
): Boolean;
var
iLeft, iTop, iRight, iBottom, iWidthExtend, iHeightExtend, iTmp: Integer;
fHvsW: Double;
iWidth, iHeight: Integer;
begin
Result := False;
if ASouceIEBitmap = nil then
Exit;
//图像高宽比，如果缩放高宽其中有一为0表示维持比率不变
if (AResampleWidth <= 0) or (AResampleHeight <= 0) then
fHvsW := 0
else
fHvsW := AResampleHeight / AResampleWidth;
//图像从人脸框向四周扩散的像素
iWidthExtend := Round((AFaceRegion.rcFace.right - AFaceRegion.rcFace.left) *
(AExtendRatio / 100));
iHeightExtend :=
Round((AFaceRegion.rcFace.bottom - AFaceRegion.rcFace.top) *
(AExtendRatio / 100));
//向四周扩展
iLeft := AFaceRegion.rcFace.left - iWidthExtend;
iRight := AFaceRegion.rcFace.right + iWidthExtend;
iTop := AFaceRegion.rcFace.top - iHeightExtend;
iBottom := AFaceRegion.rcFace.bottom + iHeightExtend;
//临时宽高
iWidth := Abs(iRight - iLeft);
iHeight := Abs(iBottom - iTop);
//如果 高/宽 > 1，则宽度保持不变，再次扩展高度
if fHvsW > 1 then
begin
iTmp := (Max(Round(iWidth * fHvsW), iHeight) - iHeight) div 2;
//重新定为顶、底
iTop := iTop - iTmp;
iBottom := iBottom + iTmp;
end
//如果 0 < 高/宽 <= 1，则高度保持不变，再次扩展宽度
else if fHvsW > 0 then
begin
iTmp := (Max(Round(iHeight / fHvsW), iWidth) - iWidth) div 2;
iLeft := iLeft - iTmp;
iRight := iRight + iTmp;
end;
//如果顶小于0并且底大于原始图像高度
if (iTop < 0) and (iBottom > ASouceIEBitmap.Height) then
begin
//顶置0
iTop := 0;
//底置原始图像高度
iBottom := ASouceIEBitmap.Height;
end
//仅顶小于0
else if iTop < 0 then
begin
//扩展底
iBottom := Min(iBottom - iTop, ASouceIEBitmap.Height);
iTop := 0;
end
//仅底大于原始图像高度
else if iBottom > ASouceIEBitmap.Height then
begin
//扩展顶
iTop := Max(iTop - (iBottom - ASouceIEBitmap.Height), 0);
iBottom := ASouceIEBitmap.Height;
end;
//如果左边小于0并且右边大于原始图像宽度
if (iLeft < 0) and (iRight > ASouceIEBitmap.Width) then
begin
iLeft := 0;
iRight := ASouceIEBitmap.Width;
end
//仅左边小于0
else if iLeft < 0 then
begin
iRight := Min(iRight - iLeft, ASouceIEBitmap.Width);
iLeft := 0;
end
//仅右边大于原始图像宽度
else if iRight > ASouceIEBitmap.Width then
begin
iLeft := Max(iLeft - (iRight - ASouceIEBitmap.Width), 0);
iRight := ASouceIEBitmap.Width;
end;
if ADestBitmap = nil then
ADestBitmap := TIEBitmap.Create;
//设置目标图像宽高
ADestBitmap.Width := Abs(iRight - iLeft);
ADestBitmap.Height := Abs(iBottom - iTop);
//拷贝图像
ASouceIEBitmap.CopyRectTo(ADestBitmap, iLeft, iTop, 0, 0, Abs(iRight - iLeft),
Abs(iBottom - iTop));
end;
//从IEBitmap中获取人脸位置和特征信息列表
function TArcFaceSDKIEVersion.DetectAndRecognitionFacesFromIEBitmap(
ABitmap: TIEBitmap; //源位图
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>; //人脸框信息列表
var AFaceModels: TFaceModels; //人脸特征集
AOutIEBitmp: TIEBitmap; //缩放后输出的目标位图
AResampleWidth, //缩放宽度
AResampleHeight: Integer; //绽放高度
AResampleFilter: TResampleFilter; //缩放滤镜
AContrast: Double; //对比度，默认0不调整
AUseCache: Boolean//是否使用缓存空间，可以避免频繁申请释放内存，应注意线程安全
): Boolean;
var
lImgData: TImgdataInfo;
offInput: ASVLOFFSCREEN;
pFaceRes: LPAFD_FSDK_FACERES;
nRet: MRESULT;
{$IFDEF DEBUG}
T: Cardinal;
{$ENDIF}
begin
Result := False;
if FFaceDetectionEngine = nil then
Exit;
if AFaceRegions = nil then
AFaceRegions := TList<AFR_FSDK_FACEINPUT>.Create;
//使用缓存
if AUseCache then
lImgData := FImgDataInfoCache
else
lImgData.pImgData := nil;
{$IFDEF DEBUG}
T := GetTickCount;
{$ENDIF}
if not ReadIEBitmap(ABitmap, lImgData, AOutIEBitmp, AResampleWidth,
AResampleHeight, AResampleFilter, AContrast) then
Exit;
{$IFDEF DEBUG}
T := GetTickCount - T;
DoLog('载入数据耗时：' + IntToStr(T));
{$ENDIF}
offInput.u32PixelArrayFormat := ASVL_PAF_RGB24_B8G8R8;
FillChar(offInput.pi32Pitch, SizeOf(offInput.pi32Pitch), 0);
FillChar(offInput.ppu8Plane, SizeOf(offInput.ppu8Plane), 0);
offInput.i32Width := lImgData.Width;
offInput.i32Height := lImgData.Height;
offInput.ppu8Plane[0] := IntPtr(lImgData.pImgData);
offInput.pi32Pitch[0] := lImgData.LineBytes;
//人脸检测
{$IFDEF DEBUG}
T := GetTickCount;
{$ENDIF}
nRet := AFD_FSDK_StillImageFaceDetection(FFaceDetectionEngine, @offInput,
pFaceRes);
{$IFDEF DEBUG}
T := GetTickCount - T;
DoLog('检测人脸耗时：' + IntToStr(T));
{$ENDIF}
if nRet = MOK then
begin
ExtractFaceBoxs(pFaceRes^, AFaceRegions);
if AFaceModels = nil then
AFaceModels := TFaceModels.Create;
{$IFDEF DEBUG}
T := GetTickCount;
{$ENDIF}
Result := ExtractFaceFeatures(offInput, AFaceRegions, AFaceModels);
{$IFDEF DEBUG}
T := GetTickCount - T;
DoLog('提取特征耗时：' + IntToStr(T));
{$ENDIF}
end;
if not AUseCache then
begin
if lImgData.pImgData <> nil then
FreeMem(lImgData.pImgData)
end
else
begin
FImgDataInfoCache := lImgData;
end;
end;
//从IEBitmap中获取人脸位置和特征信息列表，缩放参数使用本对象实例的缩放参数属性
//ResampleWidth、ResampleHeight、ResampleFilter等参数使用类实例相应属性
function TArcFaceSDKIEVersion.DetectAndRecognitionFacesFromIEBitmap(
ABitmap: TIEBitmap; //源位图
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>; //人脸框信息列表
var AFaceModels: TFaceModels; //人脸特征集
AOutIEBitmp: TIEBitmap; //缩放后输出的目标位图
AUseCache: Boolean//是否使用缓存空间，可以避免频繁申请释放内存，应注意线程安全
): Boolean;
begin
Result := DetectAndRecognitionFacesFromIEBitmap(ABitmap, AFaceRegions,
AFaceModels, AOutIEBitmp, FResampleWidth, FResampleHeight, FResampleFilter,
FContrastRatio, AUseCache);
end;
//从标准Bitmap获取人脸位置和特征信息列表
function TArcFaceSDKIEVersion.DetectAndRecognitionFacesFromBitmapEX(
ABitmap: TBitmap; //源位图
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>; //人脸框信息列表
var AFaceModels: TFaceModels; //人脸特征集
AOutIEBitmp: TIEBitmap; //缩放后输出的目标位图
AResampleWidth, //缩放宽度
AResampleHeight: Integer; //缩放高度
AResampleFilter: TResampleFilter; //缩放滤镜
AContrast: Double; //对比度，默认0不调整
AUseCache: Boolean//是否使用缓存空间，使用可以避免频繁申请释放内存，应注意线程安全
): Boolean;
var
lIEBitmap: TIEBitmap;
begin
lIEBitmap := TIEBitmap.Create;
try
lIEBitmap.Assign(ABitmap);
Result := DetectAndRecognitionFacesFromIEBitmap(lIEBitmap, AFaceRegions,
AFaceModels, AOutIEBitmp, AResampleWidth, AResampleHeight,
AResampleFilter, AContrast, AUseCache);
finally
lIEBitmap.Free;
end;
end;
//从标准位图中获取人脸位置、性别和年龄信息列表
function TArcFaceSDKIEVersion.DetectFacesAndAgeGenderFromBitmapEX(
ABitmap: TBitmap; //源位图
var AFaceInfos: TList<TFaceBaseInfo>; //人脸基本信息列表
AOutIEBitmp: TIEBitmap; //缩放后输出的目标位图
AResampleWidth, //缩放宽度
AResampleHeight: Integer; //缩放高度
AResampleFilter: TResampleFilter; //缩放滤镜
AContrast: Double; //对比度，默认0不调整
AUseCache: Boolean//是否使用缓存空间，使用可以避免频繁申请释放内存，应注意线程安全
): Boolean;
var
lIEBitmap: TIEBitmap;
begin
lIEBitmap := TIEBitmap.Create;
try
lIEBitmap.Assign(ABitmap);
Result := DetectFacesAndAgeGenderFromIEBitmap(lIEBitmap, AFaceInfos,
AOutIEBitmp, AResampleWidth, AResampleHeight, AResampleFilter, AContrast,
AUseCache);
finally
lIEBitmap.Free;
end;
end;
//从图像文件中检测人脸位置信息列表并提取所有检测到的人脸特征信息
//支持常见格式图像文件
function TArcFaceSDKIEVersion.DetectAndRecognitionFacesFromFileEx(
AFileName: string; //文件名
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>; //人脸框信息列表
var AFaceModels: TFaceModels; //人脸特征集
AOutIEBitmp: TIEBitmap; //缩放后输出的目标位图
AResampleWidth, //缩放宽度
AResampleHeight: Integer; //缩放高度
AResampleFilter: TResampleFilter; //缩放滤镜
AContrast: Double; //对比度，默认0不调整
AUseCache: Boolean//是否使用缓存空间，使用可以避免频繁申请释放内存，应注意线程安全
): Boolean;
var
lIEBitmap: TIEBitmap;
io: TImageEnIO;
begin
Result := False;
if not FileExists(AFileName) then
Exit;
lIEBitmap := TIEBitmap.Create;
io := TImageEnIO.Create(nil);
try
io.AttachedIEBitmap := lIEBitmap;
io.LoadFromFile(AFileName);
Result := DetectAndRecognitionFacesFromIEBitmap(lIEBitmap, AFaceRegions,
AFaceModels, AOutIEBitmp, AResampleWidth, AResampleHeight,
AResampleFilter, AContrast, AUseCache);
finally
lIEBitmap.Free;
io.Free;
end;
end;
//从IEBitmap中获取人脸位置、年龄、性别和特征信息列表
function TArcFaceSDKIEVersion.DRAGfromIEBitmap(
ABitmap: TIEBitmap; //源位图
var AFaceInfos: TList<TFaceBaseInfo>; //人脸基本信息列表
var AFaceModels: TFaceModels; //人脸特征集
AOutIEBitmp: TIEBitmap; //缩放后输出的目标位图
AResampleWidth, //缩放宽度
AResampleHeight: Integer; //缩放高度
AResampleFilter: TResampleFilter; //缩放滤镜
AContrast: Double; //对比度，默认0不调整
AUseCache: Boolean//是否使用缓存空间，使用可以避免频繁申请释放内存，应注意线程安全
): Boolean;
var
lImgData: TImgdataInfo;
offInput: ASVLOFFSCREEN;
pFaceRes: LPAFD_FSDK_FACERES;
lFaceRes_Age: ASAE_FSDK_AGEFACEINPUT;
lFaceRes_Gender: ASGE_FSDK_GENDERFACEINPUT;
nRet: MRESULT;
lFaceRegions: TList<AFR_FSDK_FACEINPUT>;
lAgeRes: ASAE_FSDK_AGERESULT;
lGenderRes: ASGE_FSDK_GENDERRESULT;
lAges: TArray<Integer>;
lGenders: TArray<Integer>;
lFaceInfo: TFaceBaseInfo;
i, iFaces: Integer;
ArrFaceOrient: array of AFD_FSDK_OrientCode;
ArrFaceRect: array of MRECT;
{$IFDEF DEBUG}
T: Cardinal;
{$ENDIF}
begin
Result := False;
if AFaceInfos = nil then
AFaceInfos := TList<TFaceBaseInfo>.Create;
if AFaceModels = nil then
AFaceModels := TFaceModels.Create;
if FFaceDetectionEngine = nil then
Exit;
//使用缓存
if AUseCache then
lImgData := FImgDataInfoCache
else
lImgData.pImgData := nil;
{$IFDEF DEBUG}
T := GetTickCount;
{$ENDIF}
if not ReadIEBitmap(ABitmap, lImgData, AOutIEBitmp, AResampleWidth,
AResampleHeight, AResampleFilter, AContrast) then
Exit;
{$IFDEF DEBUG}
T := GetTickCount - T;
DoLog('载入数据耗时：' + IntToStr(T));
{$ENDIF}
offInput.u32PixelArrayFormat := ASVL_PAF_RGB24_B8G8R8;
FillChar(offInput.pi32Pitch, SizeOf(offInput.pi32Pitch), 0);
FillChar(offInput.ppu8Plane, SizeOf(offInput.ppu8Plane), 0);
offInput.i32Width := lImgData.Width;
offInput.i32Height := lImgData.Height;
offInput.ppu8Plane[0] := IntPtr(lImgData.pImgData);
offInput.pi32Pitch[0] := lImgData.LineBytes;
//人脸检测
{$IFDEF DEBUG}
T := GetTickCount;
{$ENDIF}
nRet := AFD_FSDK_StillImageFaceDetection(FFaceDetectionEngine, @offInput,
pFaceRes);
{$IFDEF DEBUG}
DoLog('检测人脸耗时：' + IntToStr(GetTickCount - T));
{$ENDIF}
if nRet = MOK then
begin
Result := true;
lFaceRegions := TList<AFR_FSDK_FACEINPUT>.Create;
try
ExtractFaceBoxs(pFaceRes^, lFaceRegions);
if lFaceRegions.Count > 0 then
begin
iFaces := lFaceRegions.Count;
SetLength(ArrFaceOrient, iFaces);
SetLength(ArrFaceRect, iFaces);
for i := 0 to iFaces - 1 do
begin
ArrFaceOrient[i] := lFaceRegions.Items[i].lOrient;
ArrFaceRect[i] := lFaceRegions.Items[i].rcFace;
end;
//===================================================
//检测年龄
//===================================================
if (FFaceAgeEngine <> nil) then
begin
with lFaceRes_Age do
begin
pFaceRectArray := @ArrFaceRect[0];
pFaceOrientArray := @ArrFaceOrient[0];
lFaceNumber := iFaces;
end;
{$IFDEF DEBUG}
T := GetTickCount;
{$ENDIF}
if ASAE_FSDK_AgeEstimation_StaticImage(
FFaceAgeEngine, //[in] age estimation engine
@offInput, //[in] the original image information
//[in] the face rectangles information
@lFaceRes_Age,
//[out] the results of age estimation
lAgeRes
) = MOK then
//分解人脸年龄
ExtractFaceAges(lAgeRes, lAges)
else
Result := False;
{$IFDEF DEBUG}
DoLog('检测年龄耗时：' + IntToStr(GetTickCount - T));
{$ENDIF}
end
else
Result := False;
//===================================================
//检测性别
//===================================================
if (FFaceGenderEngine <> nil) then
begin
with lFaceRes_Gender do
begin
pFaceRectArray := @ArrFaceRect[0];
pFaceOrientArray := @ArrFaceOrient[0];
lFaceNumber := iFaces;
end;
{$IFDEF DEBUG}
T := GetTickCount;
{$ENDIF}
if ASGE_FSDK_GenderEstimation_StaticImage(
FFaceGenderEngine, //[in] Gender estimation engine
@offInput, //[in] the original imGender information
//[in] the face rectangles information
@lFaceRes_Gender,
//[out] the results of Gender estimation
lGenderRes
) = MOK then
//分解人脸性别
ExtractFaceGenders(lGenderRes, lGenders)
else
Result := False;
{$IFDEF DEBUG}
DoLog('检测性别耗时：' + IntToStr(GetTickCount - T));
{$ENDIF}
end
else
Result := False;
for i := 0 to iFaces - 1 do
begin
lFaceInfo.Init;
lFaceInfo.FaceRect := ArrFaceRect[i];
lFaceInfo.FaceOrient := ArrFaceOrient[i];
if i < Length(lAges) then
lFaceInfo.Age := lAges[i];
if i < Length(lGenders) then
lFaceInfo.Gender := lGenders[i];
AFaceInfos.Add(lFaceInfo);
end;
//===================================================
//提取特征
//===================================================
{$IFDEF DEBUG}
T := GetTickCount;
{$ENDIF}
if not ExtractFaceFeatures(offInput, lFaceRegions, AFaceModels) then
Result := False;
{$IFDEF DEBUG}
DoLog('提取特征耗时：' + IntToStr(GetTickCount - T));
{$ENDIF}
end;
finally
lFaceRegions.Free;
end;
end;
if not AUseCache then
begin
if lImgData.pImgData <> nil then
FreeMem(lImgData.pImgData)
end
else
begin
FImgDataInfoCache := lImgData;
end;
end;
//从TIEBitmap中获取人脸位置、性别和年龄信息列表,部分参数使用类实例属性
function TArcFaceSDKIEVersion.DetectFacesAndAgeGenderFromIEBitmap(
ABitmap: TIEBitmap; //源位图
var AFaceInfos: TList<TFaceBaseInfo>; //人脸基本信息列表
AOutIEBitmp: TIEBitmap; //缩放后输出的目标位图
AUseCache: Boolean//是否使用缓存空间，使用可以避免频繁申请释放内存，应注意线程安全
): Boolean;
begin
Result := DetectFacesAndAgeGenderFromIEBitmap(ABitmap, AFaceInfos,
AOutIEBitmp, FResampleWidth, FResampleHeight, FResampleFilter,
FContrastRatio, AUseCache);
end;
//从图像文件中获取人脸位置、性别和年龄信息列表
function TArcFaceSDKIEVersion.DetectFacesAndAgeGenderFromFileEx(
AFileName: string; //图像文件名
var AFaceInfos: TList<TFaceBaseInfo>; //人脸基本信息列表
AOutIEBitmp: TIEBitmap; //缩放后输出的目标位图
AResampleWidth, //缩放宽度
AResampleHeight: Integer; //缩放高度
AResampleFilter: TResampleFilter; //缩放滤镜
AContrast: Double; //对比度，默认0不调整
AUseCache: Boolean//是否使用缓存空间，使用可以避免频繁申请释放内存，应注意线程安全
): Boolean;
var
lIEBitmap: TIEBitmap;
io: TImageEnIO;
begin
Result := False;
if not FileExists(AFileName) then
Exit;
lIEBitmap := TIEBitmap.Create;
io := TImageEnIO.Create(nil);
try
io.AttachedIEBitmap := lIEBitmap;
io.LoadFromFile(AFileName);
Result := DetectFacesAndAgeGenderFromIEBitmap(lIEBitmap, AFaceInfos,
AOutIEBitmp, AResampleWidth, AResampleHeight, AResampleFilter, AContrast,
AUseCache);
finally
lIEBitmap.Free;
io.Free;
end;
end;
//从IEBitmam中获取人脸位置信息列表
function TArcFaceSDKIEVersion.DetectFacesFromIEBitmap(
ABitmap: TIEBitmap; //源位图
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>; //人脸框信息列表
AOutIEBitmp: TIEBitmap; //缩放后输出的目标位图
AResampleWidth, //缩放宽度
AResampleHeight: Integer; //缩放高度
AResampleFilter: TResampleFilter; //缩放滤镜
AContrast: Double; //对比度，默认0不调整
AUseCache: Boolean//是否使用缓存空间，使用可以避免频繁申请释放内存，应注意线程安全
): Boolean;
var
offInput: ASVLOFFSCREEN;
pFaceRes: LPAFD_FSDK_FACERES;
lImgData: TImgdataInfo;
begin
Result := False;
if FFaceDetectionEngine = nil then
Exit;
if AUseCache then
lImgData := FImgDataInfoCache
else
lImgData.pImgData := nil;
if not ReadIEBitmap(ABitmap, lImgData, AOutIEBitmp, AResampleWidth,
AResampleHeight, AResampleFilter, AContrast) then
Exit;
offInput.u32PixelArrayFormat := ASVL_PAF_RGB24_B8G8R8;
FillChar(offInput.pi32Pitch, SizeOf(offInput.pi32Pitch), 0);
FillChar(offInput.ppu8Plane, SizeOf(offInput.ppu8Plane), 0);
offInput.i32Width := lImgData.Width;
offInput.i32Height := lImgData.Height;
offInput.ppu8Plane[0] := IntPtr(lImgData.pImgData);
offInput.pi32Pitch[0] := lImgData.LineBytes;
//人脸检测
if AFD_FSDK_StillImageFaceDetection(FFaceDetectionEngine, @offInput, pFaceRes)
= MOK then
begin
ExtractFaceBoxs(pFaceRes^, AFaceRegions);
end;
if not AUseCache then
begin
if lImgData.pImgData <> nil then
FreeMem(lImgData.pImgData)
end
else
begin
FImgDataInfoCache := lImgData;
end;
end;
//从图像文件中获取人脸位置信息列表
function TArcFaceSDKIEVersion.DetectFacesFromFile(
AFile: string; //图像文件名
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>; //人脸框信息列表
AOutIEBitmp: TIEBitmap; //缩放后输出的目标位图
AResampleWidth, //缩放宽度
AResampleHeight: Integer; //缩放高度
AResampleFilter: TResampleFilter; //缩放滤镜
AContrast: Double; //对比度，默认0不调整
AUseCache: Boolean//是否使用缓存空间，使用可以避免频繁申请释放内存，应注意线程安全
): Boolean;
var
lImgData: TImgdataInfo;
offInput: ASVLOFFSCREEN;
pFaceRes: LPAFD_FSDK_FACERES;
begin
Result := False;
if FFaceDetectionEngine = nil then
Exit;
if AUseCache then
lImgData := FImgDataInfoCache
else
lImgData.pImgData := nil;
if not ReadFromFile(AFile, lImgData, AOutIEBitmp,
AResampleWidth, AResampleHeight, AResampleFilter, AContrast) then
Exit;
offInput.u32PixelArrayFormat := ASVL_PAF_RGB24_B8G8R8;
FillChar(offInput.pi32Pitch, SizeOf(offInput.pi32Pitch), 0);
FillChar(offInput.ppu8Plane, SizeOf(offInput.ppu8Plane), 0);
offInput.i32Width := lImgData.Width;
offInput.i32Height := lImgData.Height;
offInput.ppu8Plane[0] := IntPtr(lImgData.pImgData);
offInput.pi32Pitch[0] := lImgData.LineBytes;
//人脸检测
if AFD_FSDK_StillImageFaceDetection(FFaceDetectionEngine, @offInput, pFaceRes)
= MOK then
begin
ExtractFaceBoxs(pFaceRes^, AFaceRegions);
end;
if not AUseCache then
begin
if lImgData.pImgData <> nil then
FreeMem(lImgData.pImgData)
end
else
begin
FImgDataInfoCache := lImgData;
end;
end;
//从文件中获取人脸位置信息列表，部分参数使用类实例属性值
function TArcFaceSDKIEVersion.DetectFacesFromFile(
AFile: string; //图像文件
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>; //人脸框信息列表
AOutIEBitmp: TIEBitmap; //缩放后输出目标位图
AUseCache: Boolean//是否使用缓存空间
): Boolean;
begin
Result := DetectFacesFromFile(AFile, AFaceRegions, AOutIEBitmp,
FResampleWidth, FResampleHeight, FResampleFilter, FContrastRatio,
AUseCache);
end;
//从IEBitmap中获取人脸位置信息列表，部分参数使用类实例属性值
function TArcFaceSDKIEVersion.DetectFacesFromIEBitmap(
ABitmap: TIEBitmap; //源位图
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>; //人脸框信息列表
AOutIEBitmp: TIEBitmap; //缩放后输出的目标位图
AUseCache: Boolean//是否使用缓存空间，使用可以避免频繁申请释放内存，应注意线程安全
): Boolean;
begin
Result := DetectFacesFromIEBitmap(ABitmap, AFaceRegions, AOutIEBitmp,
FResampleWidth, FResampleHeight, FResampleFilter, FContrastRatio,
AUseCache);
end;
//从IEBitmap中获取人脸位置信息列表（追踪模式），部分参数使用类实例属性值
function TArcFaceSDKIEVersion.TrackFacesFromIEBitmap(
ABitmap: TIEBitmap; //源位图
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>; //人脸框信息列表
AUseCache: Boolean//是否使用缓存空间，使用可以避免频繁申请释放内存，应注意线程安全
): Boolean;
var
lImgDataInfo: TImgdataInfo;
offInput: ASVLOFFSCREEN;
pFaceRes: LPAFT_FSDK_FACERES;
begin
Result := False;
if FFaceDetectionEngine = nil then
Exit;
if AUseCache then
lImgDataInfo := FImgDataInfoCache
else
lImgDataInfo.pImgData := nil;
if not ReadIEBitmap(ABitmap, lImgDataInfo, nil) then
Exit;
offInput.u32PixelArrayFormat := ASVL_PAF_RGB24_B8G8R8;
FillChar(offInput.pi32Pitch, SizeOf(offInput.pi32Pitch), 0);
FillChar(offInput.ppu8Plane, SizeOf(offInput.ppu8Plane), 0);
offInput.i32Width := lImgDataInfo.Width;
offInput.i32Height := lImgDataInfo.Height;
offInput.ppu8Plane[0] := IntPtr(lImgDataInfo.pImgData);
offInput.pi32Pitch[0] := lImgDataInfo.LineBytes;
//人脸检测
if AFT_FSDK_FaceFeatureDetect(FFaceTrackingEngine, @offInput, pFaceRes)
= MOK then
begin
ExtractFaceBoxs(pFaceRes^, AFaceRegions);
end;
if not AUseCache then
begin
if lImgDataInfo.pImgData <> nil then
FreeMem(lImgDataInfo.pImgData)
end
else
begin
FImgDataInfoCache := lImgDataInfo;
end;
end;
//在ImageEnView上画人脸框、性别、年龄
class procedure TArcFaceSDKIEVersion.DrawFaceRectAgeGenderEX(
AView: TImageEnView; //图像预览组件
AFaceIdx: Integer; //人脸索引
AFaceInfo: TFaceBaseInfo; //人脸基本信息
AColor: TColor = clBlue; //画笔颜色
AWidth: Integer = 2; //框线宽度
ADrawIndex: Boolean = true; //是否画索引
ATextSize: Integer = 0//字符大小
);
begin
DrawFaceRectAgeGender(AView.IEBitmap.Canvas, AFaceIdx, AFaceInfo, AColor,
AWidth, ADrawIndex, ATextSize);
AView.Update;
end;
//在ImageEnView上画人脸框
class procedure TArcFaceSDKIEVersion.DrawFaceRectEX(
AView: TImageEnView; //图像预览组件
AFaceIdx: Integer; //人脸索引
AFaceInfo: AFR_FSDK_FACEINPUT; //人脸框信息
AColor: TColor = clBlue; //画笔颜色
AWidth: Integer = 2; //框线宽度
ADrawIndex: Boolean = true; //是否画索引
ATextSize: Integer = 0//文字大小
);
begin
DrawFaceRect(AView.IEBitmap.Canvas, AFaceIdx, AFaceInfo, AColor, AWidth,
ADrawIndex, ATextSize);
AView.Update;
end;
//从IEBitmap中提取单个人脸特征
function TArcFaceSDKIEVersion.ExtractFaceFeatureFromIEBitmap(
AIEBitmap: TIEBitmap; //源位图
AFaceRegion: AFR_FSDK_FACEINPUT; //人脸框信息
var AFaceModel: AFR_FSDK_FACEMODEL; //人脸特征，特征数据内存需手动使用freemem释放
AOutIEBitmp: TIEBitmap; //缩放后输出的目标位图
AResampleWidth, //缩放宽度
AResampleHeight: Integer; //缩放高度
AResampleFilter: TResampleFilter; //缩放滤镜
AUseCache: Boolean//是否使用缓存空间，使用可以避免频繁申请释放内存，应注意线程安全
): Boolean;
var
lImgData: TImgdataInfo;
offInput: ASVLOFFSCREEN;
pFaceRes: LPAFD_FSDK_FACERES;
begin
Result := False;
if FFaceRecognitionEngine = nil then
Exit;
if AUseCache then
lImgData := FImgDataInfoCache
else
lImgData.pImgData := nil;
if not ReadIEBitmap(AIEBitmap, lImgData, AOutIEBitmp, AResampleWidth,
AResampleHeight, AResampleFilter) then
Exit;
offInput.u32PixelArrayFormat := ASVL_PAF_RGB24_B8G8R8;
FillChar(offInput.pi32Pitch, SizeOf(offInput.pi32Pitch), 0);
FillChar(offInput.ppu8Plane, SizeOf(offInput.ppu8Plane), 0);
offInput.i32Width := lImgData.Width;
offInput.i32Height := lImgData.Height;
offInput.ppu8Plane[0] := IntPtr(lImgData.pImgData);
offInput.pi32Pitch[0] := lImgData.LineBytes;
//人脸特征提取
Result := ExtractFaceFeature(offInput, AFaceRegion, AFaceModel);
if not AUseCache then
begin
if lImgData.pImgData <> nil then
FreeMem(lImgData.pImgData)
end
else
begin
FImgDataInfoCache := lImgData;
end;