zw版【转发·台湾nvp系列Delphi例程】HALCON BinThreshold

最新推荐文章于 2015-10-01 19:49:00 发布

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最新推荐文章于 2015-10-01 19:49:00 发布

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/ziwang/p/4851460.html

本文介绍了如何利用HALCON库进行图像处理，具体展示了使用HALCON进行埃及金字塔图像的二值化操作，包括读取图片、阈值分割、显示结果等步骤。

zw版【转发·台湾nvp系列Delphi例程】HALCON BinThreshold

unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, OleCtrls, HALCONXLib_TLB, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
HWindowXCtrl1: THWindowXCtrl;
procedure FormShow(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormShow(Sender: TObject);
begin
Set8087CW($27f);
end;
procedure TForm1.Button1Click(Sender: TObject);
var
ho_Egypt1 : HImageX;
ho_Region : HRegionX;
ho_Histo1 : HRegionX;
hv_AbsoluteHisto, hv_RelativeHisto : OleVariant;
win : HWindowX;
mtype : OleVariant;
w, h : OleVariant;
begin
win := HWindowXCtrl1.HalconWindow;
ho_Egypt1 := CoHImageX.Create;
ho_Egypt1.ReadImage('egypt1');
ho_Egypt1.GetImagePointer1(mtype, w, h);
win.SetPart(0, 0, h - 1, w - 1);
win.SetColor('white');
win.ClearWindow;
ho_Region := ho_Egypt1.BinThreshold;
ho_Region.DispObj(win);
hv_AbsoluteHisto := ho_Region.GrayHisto(ho_Egypt1, hv_RelativeHisto);
ho_Histo1 := CoHRegionX.Create;
ho_Histo1.GenRegionHisto(hv_RelativeHisto, 255, 255, 1);
win.SetColor('red');
ho_Histo1.DispObj(win);
end;
end.