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ArcFaceSDK.pas
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ArcFaceSDK.pas
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(*******************************************************
* 虹软人脸识别SDK封装 TBitmap 版
* 版权所有 (C) 2017 NJTZ eMail:[email protected]
*******************************************************)
unit ArcFaceSDK;
interface
uses Windows, Messages, SysUtils, System.Classes, math,
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;
type
TOnLogEvent = procedure(Const Msg: String) of object;
//图像数据信息结构
TImgDataInfo = record
pImgData: PByte;
Width: Integer;
Height: Integer;
LineBytes: Integer;
BitCount: Integer;
public
procedure Init;
end;
//人脸基本信息
TFaceBaseInfo = record
FaceRect: MRECT; //人脸矩形框
FaceOrient: Integer; //人脸方向
Age: Integer; //年龄
Gender: Integer; //性别，0男，1女
private
public
procedure Init;
end;
//人脸基本信息
TFaceFullInfo = record
FaceRect: MRECT; //人脸矩形框
FaceOrient: Integer; //人脸方向
Age: Integer; //年龄
Gender: Integer; //性别，0男，1女
Model: AFR_FSDK_FACEMODEL; //人脸特征
private
public
procedure Init;
end;
//人脸特征集
TFaceModels = class(TObject)
private
FModels: TList<AFR_FSDK_FACEMODEL>;
function GetCount: Integer;
function GetFaceModel(Index: Integer): AFR_FSDK_FACEMODEL;
function GetItems(Index: Integer): AFR_FSDK_FACEMODEL;
public
constructor Create;
destructor Destroy; override;
function AddModel(AModel: AFR_FSDK_FACEMODEL): Integer;
procedure Assign(ASource: TFaceModels); virtual;
procedure AddModels(ASource: TFaceModels);
procedure Clear; virtual;
procedure Delete(Index: Integer);
property Count: Integer read GetCount;
property FaceModel[Index: Integer]: AFR_FSDK_FACEMODEL read GetFaceModel;
property Items[Index: Integer]: AFR_FSDK_FACEMODEL read GetItems;
end;
//ArcFaceSDK封装主类
TArcFaceSDK = class(TObject)
private
FAppID: string;
FEstimationBufferSize: Int64;
FFaceAgeKey: String;
FFaceRecognitionKey: string;
FFaceTrackingKey: string;
FFaceDetectionKey: string;
FFaceGenderKey: String;
FMaxFace: Integer;
FScale: Integer;
FWorkKBufferSize: Int64;
FOnLog: TOnLogEvent;
FOrientPriority: TAFD_FSDK_OrientPriority;
FpFaceRecognitionBuf: PByte;
FpFaceTrackingBuf: PByte;
FpFaceDetectionBuf: PByte;
FpFaceAgeBuf: PByte;
FpFaceGenderBuf: PByte;
procedure SetMaxFace(const Value: Integer);
procedure SetScale(const Value: Integer);
protected
FFaceRecognitionEngine: MHandle;
FFaceTrackingEngine: MHandle;
FFaceDetectionEngine: MHandle;
FFaceAgeEngine: MHandle;
FFaceGenderEngine: MHandle;
procedure DoLog(const Msg: String);
public
constructor Create;
destructor Destroy; override;
function DetectAndRecognitionFacesFromBmp(ABitmap: TBitmap; var AFaceRegions:
TList<AFR_FSDK_FACEINPUT>; var AFaceModels: TFaceModels): Boolean;
function DetectFacesAndAgeGenderFromBitmap(ABitmap: TBitmap; var AFaceInfos:
TList<TFaceBaseInfo>): Boolean;
function DetectFacesFromBmp(ABitmap: TBitmap; var AFaceRegions:
TList<AFR_FSDK_FACEINPUT>): Boolean;
function TrackFacesFromBmp(ABitmap: TBitmap; var AFaceRegions:
TList<AFR_FSDK_FACEINPUT>): Boolean;
function DetectFacesFromBmpFile(AFile: string; var AFaceRegions:
TList<AFR_FSDK_FACEINPUT>): Boolean;
function DRAGfromJPGFile(AFileName: string; var AFaceInfos:
TList<TFaceBaseInfo>; var AFaceModels: TFaceModels): Boolean; overload;
function DRAGfromBmp(ABitmap: TBitmap; var AFaceInfos: TList<TFaceBaseInfo>;
var AFaceModels: TFaceModels): Boolean; overload;
function DRAGfromBmpFile(AFileName: string; var AFaceInfos:
TList<TFaceBaseInfo>; var AFaceModels: TFaceModels): Boolean; overload;
class procedure DrawFaceRectAgeGender(ACanvas: TCanvas; AFaceIdx: Integer;
AFaceInfo: TFaceBaseInfo; AColor: TColor = clBlue; AWidth: Integer = 2;
ADrawIndex: Boolean = true; ATextSize: Integer = 0);
class procedure DrawFaceRect(ACanvas: TCanvas; AFaceIdx: Integer; AFaceInfo:
AFR_FSDK_FACEINPUT; AColor: TColor = clBlue; AWidth: Integer = 2;
ADrawIndex: Boolean = true; ATextSize: Integer = 0);
function TrackFacesFromBmpFile(AFile: string; var AFaceRegions:
TList<AFR_FSDK_FACEINPUT>): Boolean;
class procedure ExtractFaceBoxs(AFaces: AFD_FSDK_FACERES; AFaceRegions:
TList<AFR_FSDK_FACEINPUT>); overload;
class procedure ExtractFaceBoxs(AFaces: AFT_FSDK_FACERES; var AFaceRegions:
TList<AFR_FSDK_FACEINPUT>); overload;
class procedure ExtractFaceAges(AFaceAgeResults: ASAE_FSDK_AGERESULT; var
AFaceAges: TArray<Integer>); overload;
class procedure ExtractFaceGenders(AFaceGenderResults
: ASGE_FSDK_GENDERRESULT;
var AFaceGenders: TArray<Integer>); overload;
function ExtractFaceFeature(AFaceInput: ASVLOFFSCREEN; AFaceRegion:
AFR_FSDK_FACEINPUT; var AFaceModel: AFR_FSDK_FACEMODEL): Boolean;
function ExtractFaceFeatures(AFaceInput: ASVLOFFSCREEN; AFaceRegions:
TList<AFR_FSDK_FACEINPUT>; var AFaceModels: TFaceModels): Boolean;
function ExtractFaceFeatureFromBmp(ABitmap: TBitmap; AFaceRegion:
AFR_FSDK_FACEINPUT; var AFaceModel: AFR_FSDK_FACEMODEL): Boolean;
function ExtractFaceFeaturesFromBmp(ABitmap: TBitmap; AFaceRegions:
TList<AFR_FSDK_FACEINPUT>; var AFaceModels: TFaceModels): Boolean;
function ExtractFaceFeatureFromBmpFile(AFile: string; AFaceRegion:
AFR_FSDK_FACEINPUT; var AFaceModel: AFR_FSDK_FACEMODEL): Boolean;
function ExtractFaceFeaturesFromBmpFile(AFile: string; AFaceRegions:
TList<AFR_FSDK_FACEINPUT>; var AFaceModels: TFaceModels): Boolean;
function InitialFaceDetectionEngine(Deinitial: Boolean): Integer;
function InitialFaceTrackingEngine(Deinitial: Boolean): Integer;
function InitialFaceRecognitionEngine(Deinitial: Boolean): Integer;
function InitialFaceAgeEngine(Deinitial: Boolean): Integer;
function InitialFaceGenderEngine(Deinitial: Boolean): Integer;
function MatchFace(AFaceModel1, AFaceModel2: AFR_FSDK_FACEMODEL): Single;
function MatchFaceWithBitmaps(ABitmap1, ABitmap2: TBitmap): Single;
function UnInitialFaceDetectionEngine: Integer;
function UnInitialFaceTrackingEngine: Integer;
function UnInitialFaceRecognitionEngine: Integer;
class function ReadBmp(ABitmap: TBitmap; var AImgDataInfo: TImgDataInfo):
Boolean;
class function ReadBmpFile(AFileName: string;
var AImgDataInfo: TImgDataInfo):
Boolean; overload;
class function ReadBmpFile(AFileName: string; ABitmap: TBitmap): Boolean;
overload;
class function ReadJpegFile(AFileName: string;
var AImgDataInfo: TImgDataInfo):
Boolean; overload;
class function ReadBmpStream(AStream: TMemoryStream; var AImgDataInfo:
TImgDataInfo): Boolean;
class function ReadJpegFile(AFileName: string; ABitmap: TBitmap): Boolean;
overload;
function TrackFacesAndAgeGenderFromBmp(ABitmap: TBitmap; var AFaceInfos:
TList<TFaceBaseInfo>): Boolean;
function UnInitialFaceAgeEngine: Integer;
function UnInitialFaceGenderEngine: Integer;
property AppID: String read FAppID write FAppID;
property FaceDetectionKey: string read FFaceDetectionKey write
FFaceDetectionKey;
property FaceRecognitionKey: string read FFaceRecognitionKey write
FFaceRecognitionKey;
property FaceTrackingKey: string read FFaceTrackingKey
write FFaceTrackingKey;
property MaxFace: Integer read FMaxFace write SetMaxFace;
property OnLog: TOnLogEvent read FOnLog write FOnLog;
property EstimationBufferSize: Int64 read FEstimationBufferSize write
FEstimationBufferSize;
property FaceAgeKey: String read FFaceAgeKey write FFaceAgeKey;
property FaceGenderKey: String read FFaceGenderKey write FFaceGenderKey;
property OrientPriority: TAFD_FSDK_OrientPriority read FOrientPriority write
FOrientPriority;
property Scale: Integer read FScale write SetScale;
property WorkKBufferSize: Int64 read FWorkKBufferSize
write FWorkKBufferSize;
end;
//自定义TJpegImage
TuJpegImage = class(TJPEGImage)
public
function BitmapData: TBitmap;
end;
TEdzFaceModels = class(TFaceModels)
private
FRyID: String;
FParams: String;
public
constructor Create;
procedure Assign(ASource: TFaceModels); override;
procedure Clear; override;
property RyID: String read FRyID write FRyID;
property Params: String read FParams write FParams;
end;
implementation
constructor TArcFaceSDK.Create;
begin
inherited;
FAppID := 您的Key;
//人脸检测(FD) Key
FFaceDetectionKey := '您的Key';
//人脸识别(FR) Key
FFaceRecognitionKey := '您的Key';
//人脸追踪(FT) Key
FFaceTrackingKey := '您的Key';
//年龄识别(Age)Key
FFaceAgeKey := '您的Key';
//性别评估(Gender)Key
FFaceGenderKey := '您的Key';
FWorkKBufferSize := 40 * 1024 * 1024;
FEstimationBufferSize := 30 * 1024 * 1024;
FScale := 16;
FMaxFace := 10;
FOrientPriority := TAFD_FSDK_OrientPriority.AFD_FSDK_OPF_0_HIGHER_EXT;
FFaceDetectionEngine := nil;
FFaceRecognitionEngine := nil;
FFaceTrackingEngine := nil;
FFaceAgeEngine := nil;
FFaceGenderEngine := nil;
FpFaceDetectionBuf := nil;
FpFaceRecognitionBuf := nil;
FpFaceTrackingBuf := nil;
FpFaceAgeBuf := nil;
FpFaceGenderBuf := nil;
end;
destructor TArcFaceSDK.Destroy;
begin
UnInitialFaceDetectionEngine;
UnInitialFaceTrackingEngine;
UnInitialFaceRecognitionEngine;
UnInitialFaceAgeEngine;
UnInitialFaceGenderEngine;
inherited;
end;
//检测人脸位置并提取特征（支持多人脸）
function TArcFaceSDK.DetectAndRecognitionFacesFromBmp(
ABitmap: TBitmap; //源位图
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>; //输出人脸位置信息列表
var AFaceModels: TFaceModels//输出人脸特征信息
): Boolean;
var
lImgDataInfo: 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;
{$IFDEF DEBUG}
T := GetTickCount;
{$ENDIF}
if not ReadBmp(ABitmap, lImgDataInfo) 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 := lImgDataInfo.Width;
offInput.i32Height := lImgDataInfo.Height;
offInput.ppu8Plane[0] := IntPtr(lImgDataInfo.pImgData);
offInput.pi32Pitch[0] := lImgDataInfo.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 lImgDataInfo.pImgData <> nil then
FreeMem(lImgDataInfo.pImgData);
end;
//从Bitmap中获取人脸位置、性别和年龄信息列表
function TArcFaceSDK.DetectFacesAndAgeGenderFromBitmap(
ABitmap: TBitmap; //源位图
var AFaceInfos: TList<TFaceBaseInfo>//输出人脸信息
): Boolean;
var
lImgDataInfo: TImgDataInfo;
offInput: ASVLOFFSCREEN;
pFaceRes: LPAFD_FSDK_FACERES;
lFaceRes_Age: ASAE_FSDK_AGEFACEINPUT;
lFaceRes_Gender: ASGE_FSDK_GENDERFACEINPUT;
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;
begin
Result := False;
if AFaceInfos = nil then
AFaceInfos := TList<TFaceBaseInfo>.Create;
if FFaceDetectionEngine = nil then
Exit;
//从源位图中读取数据
if not ReadBmp(ABitmap, lImgDataInfo)
then
Exit;
//初始化数据输入信息
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;
lFaceRegions := TList<AFR_FSDK_FACEINPUT>.Create;
try
//人脸检测
if AFD_FSDK_StillImageFaceDetection(FFaceDetectionEngine, @offInput,
pFaceRes) = MOK then
begin
//分解人脸位置信息
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;
if ASAE_FSDK_AgeEstimation_StaticImage(
FFaceAgeEngine, //[in]年龄评估引擎实例句柄
@offInput, //[in]图像数据
@lFaceRes_Age, //[in]人脸框信息
lAgeRes//[out]年龄评估结果
) = MOK then
//分解人脸年龄
ExtractFaceAges(lAgeRes, lAges);
end;
//性别评估
if (FFaceGenderEngine <> nil) then
begin
with lFaceRes_Gender do
begin
pFaceRectArray := @ArrFaceRect[0];
pFaceOrientArray := @ArrFaceOrient[0];
lFaceNumber := iFaces;
end;
if ASGE_FSDK_GenderEstimation_StaticImage(
FFaceGenderEngine, //[in]性别评估引擎实例句柄
@offInput, //[in]图像数据
@lFaceRes_Gender, //[in]人脸框信息
lGenderRes//[out]性别评估结果
) = MOK then
//分解人脸性别
ExtractFaceGenders(lGenderRes, lGenders);
end;
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;
end;
end;
finally
FreeAndNil(lFaceRegions);
end;
if lImgDataInfo.pImgData <> nil then
FreeMem(lImgDataInfo.pImgData)
end;
//从位图中获取人脸位置信息列表
function TArcFaceSDK.DetectFacesFromBmp(
ABitmap: TBitmap; //源位图
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>//输出人脸位置列表
): Boolean;
var
lImgDataInfo: TImgDataInfo;
offInput: ASVLOFFSCREEN;
pFaceRes: LPAFD_FSDK_FACERES;
begin
Result := False;
if FFaceDetectionEngine = nil then
Exit;
//读取位图到内存中
if not ReadBmp(ABitmap, lImgDataInfo) 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;
//调用API检测人脸
if AFD_FSDK_StillImageFaceDetection(FFaceDetectionEngine, @offInput, pFaceRes)
= MOK then
begin
//提取人脸位置框信息到列表
ExtractFaceBoxs(pFaceRes^, AFaceRegions);
end;
if lImgDataInfo.pImgData <> nil then
FreeMem(lImgDataInfo.pImgData);
end;
//获取人脸位置信息列表，跟踪模式
function TArcFaceSDK.TrackFacesFromBmp(
ABitmap: TBitmap; //源位图
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>//输出人脸位置信息列表
): Boolean;
var
lImgDataInfo: TImgDataInfo;
offInput: ASVLOFFSCREEN;
pFaceRes: LPAFT_FSDK_FACERES;
begin
Result := False;
if FFaceTrackingEngine = nil then
Exit;
if not ReadBmp(ABitmap, lImgDataInfo) 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;
//offInput.pi32Pitch[1] := offInput.i32Width div 2;
//offInput.pi32Pitch[2] := offInput.i32Width div 2;
//人脸检测
if AFT_FSDK_FaceFeatureDetect(FFaceTrackingEngine, @offInput, pFaceRes)
= MOK then
begin
ExtractFaceBoxs(pFaceRes^, AFaceRegions);
end;
if lImgDataInfo.pImgData <> nil then
FreeMem(lImgDataInfo.pImgData);
end;
//从文件Bmp文件中获取人脸位置信息列表，请确保文件为正确的BMP格式
function TArcFaceSDK.DetectFacesFromBmpFile(
AFile: string; //源文件
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>//输出人脸位置信息列表
): Boolean;
var
BMP: TBitmap;
begin
Result := False;
if FFaceDetectionEngine = nil then
Exit;
if not FileExists(AFile) then
Exit;
BMP := TBitmap.Create;
try
BMP.LoadFromFile(AFile);
Result := DetectFacesFromBmp(BMP, AFaceRegions);
finally
BMP.Free;
end;
end;
//从文件中获取人脸位置信息列表（追踪模式）
function TArcFaceSDK.TrackFacesFromBmpFile(
AFile: string; //源文件
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>//输出人脸位置信息
): Boolean;
var
BMP: TBitmap;
begin
Result := False;
if FFaceTrackingEngine = nil then
Exit;
if not FileExists(AFile) then
Exit;
BMP := TBitmap.Create;
try
//载入文件
BMP.LoadFromFile(AFile);
//检测人脸
Result := TrackFacesFromBmp(BMP, AFaceRegions);
finally
BMP.Free;
end;
end;
procedure TArcFaceSDK.DoLog(const Msg: String);
begin
if Assigned(FOnLog) then
FOnLog(Msg);
end;
//从JPG文件中获取人脸位置、年龄、性别和特征信息列表
function TArcFaceSDK.DRAGfromJPGFile(
AFileName: string; //JPEG文件名
var AFaceInfos: TList<TFaceBaseInfo>; //输出人脸基本信息列表
var AFaceModels: TFaceModels//人脸特征集
): Boolean;
var
lBitmap: TBitmap;
begin
Result := False;
if not FileExists(AFileName) then
Exit;
lBitmap := TBitmap.Create;
try
if ReadJpegFile(AFileName, lBitmap) then
Result := DRAGfromBmp(lBitmap, AFaceInfos, AFaceModels);
finally
lBitmap.Free;
end;
end;
//Bitmap中获取人脸位置、年龄、性别和特征信息列表
function TArcFaceSDK.DRAGfromBmp(
ABitmap: TBitmap; //源位图
var AFaceInfos: TList<TFaceBaseInfo>; //输出人脸基本信息列表
var AFaceModels: TFaceModels//人脸特征集
): Boolean;
var
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;
lImgDataInfo: TImgDataInfo;
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;
{$IFDEF DEBUG}
T := GetTickCount;
{$ENDIF}
if not ReadBmp(ABitmap, lImgDataInfo) 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 := lImgDataInfo.Width;
offInput.i32Height := lImgDataInfo.Height;
offInput.ppu8Plane[0] := IntPtr(lImgDataInfo.pImgData);
offInput.pi32Pitch[0] := lImgDataInfo.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]年龄评估引擎实例句柄
@offInput, //[in]图像数据信息
@lFaceRes_Age, //[in]人脸框信息
lAgeRes//[out]性别评估结果
) = 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;
//===================================================
//性别评估
//===================================================
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]性别评估引擎实例句柄
@offInput, //[in]图像数据
@lFaceRes_Gender, //[in]人脸框信息
lGenderRes//[out]性别评估结果
) = 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 lImgDataInfo.pImgData <> nil then
FreeMem(lImgDataInfo.pImgData);
end;
//从BMP文件中获取人脸位置、年龄、性别和特征信息列表
function TArcFaceSDK.DRAGfromBmpFile(
AFileName: string; //文件名
var AFaceInfos: TList<TFaceBaseInfo>; //输出人脸基本信息列表
var AFaceModels: TFaceModels//人脸特征集
): Boolean;
var
lBitmap: TBitmap;
begin
Result := False;
if not FileExists(AFileName) then
Exit;
lBitmap := TBitmap.Create;
try
if ReadBmpFile(AFileName, lBitmap) then
Result := DRAGfromBmp(lBitmap, AFaceInfos, AFaceModels);
finally
lBitmap.Free;
end;
end;
//在Canvas上画人脸框、年龄、性别
class procedure TArcFaceSDK.DrawFaceRectAgeGender(
ACanvas: TCanvas; //目标画板
AFaceIdx: Integer; //人脸索引
AFaceInfo: TFaceBaseInfo; //人脸基本信息
AColor: TColor = clBlue; //画笔颜色
AWidth: Integer = 2; //框线像素
ADrawIndex: Boolean = true; //是否画索引
ATextSize: Integer = 0//文字大小
);
var
sText: string;
iTextHeight, iTextWidth: Integer;
begin
ATextSize := 0;
ACanvas.Pen.Color := AColor;
ACanvas.Pen.Width := AWidth;
ACanvas.Brush.Style := bsClear;
if ATextSize = 0 then
ACanvas.Font.Size :=
Round((AFaceInfo.FaceRect.bottom - AFaceInfo.FaceRect.top) / (10 * 1.5))
else
ACanvas.Font.Size := ATextSize;
ACanvas.Font.Color := AColor;
ACanvas.RoundRect(AFaceInfo.FaceRect.left,
AFaceInfo.FaceRect.top,
AFaceInfo.FaceRect.right, AFaceInfo.FaceRect.bottom, 0, 0);
sText := '';
case AFaceInfo.Gender of
0:
sText := '性别:男';
1:
sText := '性别:女';
else
sText := '性别:未知';
end;
sText := sText + ' 年龄:' + IntToStr(AFaceInfo.Age);
if ADrawIndex then
begin
if AFaceIdx <> -1 then
sText := IntToStr(AFaceIdx) + ' ' + sText;
end;
if sText <> '' then
begin
iTextWidth := ACanvas.TextWidth(sText);
iTextHeight := ACanvas.TextHeight(sText);
ACanvas.Brush.Style := bsSolid;
ACanvas.Brush.Color := AColor;
if ACanvas.Brush.Color = clWhite then
ACanvas.Font.Color := clBlack
else
ACanvas.Font.Color := clWhite;
ACanvas.Font.Quality := fqClearType;
ACanvas.RoundRect(AFaceInfo.FaceRect.left,
AFaceInfo.FaceRect.top - iTextHeight - 6,
Max(AFaceInfo.FaceRect.right,
AFaceInfo.FaceRect.left + iTextWidth + 10),
AFaceInfo.FaceRect.top, 0, 0);
ACanvas.TextOut(AFaceInfo.FaceRect.left + 5,
AFaceInfo.FaceRect.top - 3 - iTextHeight, sText);
end;
ACanvas.Refresh;
end;
//在Canvas上画人脸框
class procedure TArcFaceSDK.DrawFaceRect(
ACanvas: TCanvas; //目标画板
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; //框线像素
ADrawIndex: Boolean = true; //是否画索引
ATextSize: Integer = 0//文字大小
);
var
sText: string;
iTextHeight, iTextWidth: Integer;
begin
ATextSize := 0;
ACanvas.Pen.Color := AColor;
ACanvas.Pen.Width := AWidth;
ACanvas.Brush.Style := bsClear;
if ATextSize = 0 then
ACanvas.Font.Size :=
Round((AFaceInfo.rcFace.bottom - AFaceInfo.rcFace.top) / (10 * 1.5))
else
ACanvas.Font.Size := ATextSize;
ACanvas.Font.Color := AColor;
ACanvas.RoundRect(AFaceInfo.rcFace.left,
AFaceInfo.rcFace.top,
AFaceInfo.rcFace.right, AFaceInfo.rcFace.bottom, 0, 0);
sText := '';
if ADrawIndex then
begin
if AFaceIdx <> -1 then
sText := IntToStr(AFaceIdx);
end;
if sText <> '' then
begin
iTextWidth := ACanvas.TextWidth(sText);
iTextHeight := ACanvas.TextHeight(sText);
ACanvas.Brush.Style := bsSolid;
ACanvas.Brush.Color := AColor;
if ACanvas.Brush.Color = clWhite then
ACanvas.Font.Color := clBlack
else
ACanvas.Font.Color := clWhite;
ACanvas.Font.Quality := fqClearType;
ACanvas.RoundRect(AFaceInfo.rcFace.left,
AFaceInfo.rcFace.top - iTextHeight - 6,
Max(AFaceInfo.rcFace.right,
AFaceInfo.rcFace.left + iTextWidth + 10),
AFaceInfo.rcFace.top, 0, 0);
ACanvas.TextOut(Round((AFaceInfo.rcFace.left - iTextWidth) /
2), AFaceInfo.rcFace.top - 3 - iTextHeight, sText);
end;
ACanvas.Refresh;
end;
//提取API人脸检测结果列表到Delphi泛型列表(跟踪模式)
class procedure TArcFaceSDK.ExtractFaceBoxs(
AFaces: AFT_FSDK_FACERES; //人脸位置框原始数据
var AFaceRegions: TList<AFR_FSDK_FACEINPUT>//分解输出列表
);
var
i, j: Integer;
lFace: AFR_FSDK_FACEINPUT;
begin
//if AFaceRegions = nil then
//AFaceRegions := TList<AFR_FSDK_FACEINPUT>.Create;
j := SizeOf(Integer);
for i := 0 to AFaces.nFace - 1 do
begin
lFace.rcFace := pmrect(AFaces.rcFace + i * SizeOf(MRECT))^;
//if AFaces.lfaceOrient < 100 then
lFace.lOrient := AFaces.lfaceOrient;
//else
//lFace.lOrient := Pint(AFaces.lfaceOrient + i * j)^;
AFaceRegions.Add(lFace);
end;
end;
//提取API人脸检测结果列表到Delphi泛型列表
class procedure TArcFaceSDK.ExtractFaceBoxs(
AFaces: AFD_FSDK_FACERES; //人脸位置框原始数据
AFaceRegions: TList<AFR_FSDK_FACEINPUT>//分解输出列表
);
var
i, j: Integer;
lFace: AFR_FSDK_FACEINPUT;
begin