Сравнительный анализ нейросетевых реализаций алгоритмов распознавания образов
Рефераты >> Кибернетика >> Сравнительный анализ нейросетевых реализаций алгоритмов распознавания образов

LabelNumPat: TLabel;

BtnNext: TButton;

GrpBoxRec: TGroupBox;

LabelInput: TLabel;

BtnOutput: TButton;

BitBtnCancel: TBitBtn;

ButtonDelay: TButton;

ComboBoxABC: TComboBox;

ComboBoxDigits: TComboBox;

Percept_FieldHop: TPercept_Field;

ButtonRetrain: TButton;

procedure Percept_FieldHopMouseDown(Sender: TObject;

Button: TMouseButton; Shift: TShiftState; X, Y: Integer);

procedure BitBtnCloseClick(Sender: TObject);

procedure EditNumPatChange(Sender: TObject);

procedure EditThresChange(Sender: TObject);

procedure FormCreate(Sender: TObject);

procedure BtnNextClick(Sender: TObject);

procedure BtnOutputClick(Sender: TObject);

procedure BitBtnCancelClick(Sender: TObject);

procedure ButtonDelayClick(Sender: TObject);

procedure ComboBoxABCChange(Sender: TObject);

procedure ComboBoxDigitsChange(Sender: TObject);

procedure ButtonRetrainClick(Sender: TObject);

private

{ Private declarations }

public

{ Public declarations }

end;

var

FrmHop: TFrmHop;

var numberpatterns,threshold:shortint;

w:array[1 numberneurons,1 numberneurons] of shortint;

iindex,jindex,indexBtnNextClick:byte;

stop:boolean;

implementation

{$R *.DFM}

procedure TFrmHop.Percept_FieldHopMouseDown(Sender: TObject;

Button: TMouseButton; Shift: TShiftState; X, Y: Integer);

var m,k:BYTE;

correctRect:shortint;

L,T,H,V:INTEGER;

begin

L:=0;

T:=0;

H:=Percept_FieldHop.UnitHorizontal;

V:=Percept_FieldHop.UnitVertical;

for m :=1 to Percept_FieldHop.UnitRectVert do

begin

for k :=1 to Percept_FieldHop.UnitRectHorz do

begin

if (X<H) and (X>L) and (Y<V) and (Y>T) then

begin

correctRect:=k+Percept_FieldHop.UnitRectHorz*(m-1);

if (Button=mbLeft) and

(Percept_FieldHop.Brushes[correctRect]=Percept_FieldHop.BackGroundBrush) then

begin

Percept_FieldHop.Brushes[correctRect]:=Percept_FieldHop.RectBrush;

end

else

if (Button=mbRight) and

(Percept_FieldHop.Brushes[correctRect]=Percept_FieldHop.RectBrush)then

begin

Percept_FieldHop.Brushes[correctRect]:=Percept_FieldHop.BackGroundBrush;

end;

end;

inc(L,Percept_FieldHop.UnitHorizontal);

inc(H,Percept_FieldHop.UnitHorizontal);

end;

inc(T,Percept_FieldHop.UnitVertical);

inc(V,Percept_FieldHop.UnitVertical);

L:=0;

H:=Percept_FieldHop.UnitHorizontal;

end;

end;

procedure TFrmHop.BitBtnCloseClick(Sender: TObject);

begin

Close;

end;

procedure TFrmHop.EditThresChange(Sender: TObject);

begin

threshold:=strtoint(EditThres.Text);

end;

procedure TFrmHop.EditNumPatChange(Sender: TObject);

begin

numberpatterns:=strtoint(EditNumPat.Text);

end;

procedure TFrmHop.FormCreate(Sender: TObject);

var i,j:byte;

begin

threshold:=0;

EditThres.Text:=inttostr(threshold);

numberpatterns:=3;

EditNumPat.Text:=inttostr(numberpatterns);

BtnNext.Font.Color:=clRed;

for i:=1 to numberneurons do begin

for j:=1 to numberneurons do begin

w[i,j]:=0;

end;

end;

indexBtnNextClick:=0;

LabelInput.Visible:=False;

end;

procedure TFrmHop.BtnNextClick(Sender: TObject);

var i,j,m:byte;

v:array[1 numberneurons] of shortint;

begin

indexBtnNextClick:=indexBtnNextClick+1;

for m:=1 to numberneurons do begin

if (Percept_FieldHop.Brushes[m]=Percept_FieldHop.RectBrush) then

begin

v[m]:=1;

end

else

if (Percept_FieldHop.Brushes[m]=Percept_FieldHop.BackGroundBrush) then

begin

v[m]:=0;

end;

end;

for i:=1 to numberneurons-1 do begin

for j:=i+1 to numberneurons do begin

w[i,j]:=w[i,j]+(2*v[i]-1)*(2*v[j]-1);

w[j,i]:=w[i,j];

end;

end;

if (indexBtnNextClick+1)=numberpatterns then

begin

BtnNext.Caption:='last';

end

else

begin

if (indexBtnNextClick)=numberpatterns then

begin

BtnNext.Font.Color:=clWindowText;

BtnNext.Caption:='finished';

LabelInput.Font.Color:=clRed;

LabelInput.Visible:=True;

end

else

begin

BtnNext.Caption:='next';

end;

end;

end;

procedure TFrmHop.BtnOutputClick(Sender: TObject);

var i,j,m,indicator:byte;

y,z:array[1 numberneurons] of shortint;

wij,wijthres:shortint;

k:longint;

begin

for m:=1 to numberneurons do begin

if (Percept_FieldHop.Brushes[m]=Percept_FieldHop.RectBrush) then

begin

z[m]:=1;

end

else

if (Percept_FieldHop.Brushes[m]=Percept_FieldHop.BackGroundBrush) then

begin

z[m]:=0;

end;

end;

for m := 1 to numberneurons do

begin

y[m]:=z[m];

end;

indicator:=0;

while indicator=0 do begin

for i:=1 to numberneurons do begin

wij:=0;

for j:=1 to numberneurons do begin

if i<>j then

wij:=wij+w[i,j]*z[j];

end;

wijthres:=wij-threshold;

if wijthres>=0 then

z[i]:=1

else

z[i]:=0;

end;

i:=1;

while i<=numberneurons do begin

if z[i]=y[i] then begin

y[i]:=z[i];

indicator:=1;

i:=i+1;

end

else begin

indicator:=0;

repeat

y[i]:=z[i];

i:=i+1;

until i>numberneurons;

end;

end;{while}

end;{while}

for m := 1 to numberneurons do

begin

if z[m]=1 then

begin

Percept_FieldHop.Brushes[m]:=Percept_FieldHop.RectBrush;

end

else

if z[m]=0 then

begin

Percept_FieldHop.Brushes[m]:=Percept_FieldHop.BackGroundBrush;

end;

stop:=false;

repeat

Application.ProcessMessages;

until stop;

end;

end;

procedure TFrmHop.BitBtnCancelClick(Sender: TObject);

var i,j:byte;

begin

BtnNext.Font.Color:=clRed;

for i:=1 to numberneurons do begin

for j:=1 to numberneurons do begin

w[i,j]:=0;

end;

end;

indexBtnNextClick:=0;

LabelInput.Visible:=False;

BtnNext.Caption:='first';

for i := 1 to numberneurons do

begin

Percept_FieldHop.Brushes[i]:=Percept_FieldHop.BackGroundBrush;

end;

end;

procedure TFrmHop.ButtonDelayClick(Sender: TObject);

begin

stop:=true;

end;

procedure TFrmHop.ButtonRetrainClick(Sender: TObject);

var i,j,m:byte;

v:array[1 numberneurons] of shortint;

begin

for m:=1 to numberneurons do begin

if (Percept_FieldHop.Brushes[m]=Percept_FieldHop.RectBrush) then

begin

v[m]:=1;

end

else

if (Percept_FieldHop.Brushes[m]=Percept_FieldHop.BackGroundBrush) then

begin

v[m]:=0;

end;

end;

for i:=1 to numberneurons-1 do begin

for j:=i+1 to numberneurons do begin

w[i,j]:=w[i,j]-(2*v[i]-1)*(2*v[j]-1);

w[j,i]:=w[i,j];

end;

end;

end;

end.


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