各位，请问如何从一幅“大头照”识别出人的眼睛，鼻子等器官？

Question

各位，请问如何从一幅“大头照”识别出人的眼睛，鼻子等器官？

Answer 1

photoshop  吧  哈哈

Answer 2

用mmx或者sse优化一下，速度很快

Answer 3

width:=SubBmp.Width;
  Height:=SubBmp.Height;  setlength(SData,MotherBmp.Height+1);
  setlength(TData,SubBmp.Height+1);  same:=false;
  if SubBmp.PixelFormat<>MotherBmp.PixelFormat then
  begin
    same:=true;
    NewSubBmp:=TBitmap.Create;
    NewSubBmp.PixelFormat:=motherbmp.PixelFormat;
    NewSubBmp.Width:=width;
    NewSubBmp.Height:=height;
    BitBlt(NewSubBmp.Canvas.Handle,0,0,width,height,
           SubBmp.Canvas.Handle,0,0,SRCCopy);
  end
  else
    NewSubBmp:=SubBmp;  for i:=0 to MotherBmp.Height-1 do
    SData[i]:=MotherBmp.ScanLine[i];
  for i:=0 to newSubBmp.Height-1 do
    TData[i]:=NewSubBmp.ScanLine[i];  minc:=maxint;
  tmpc:=maxint;
  minx:=-1;
  miny:=-1;
  PixelFormat:= MotherBmp.PixelFormat;
  for i:=0 to MotherBmp.Height-NewSubBmp.Height-1 do
  begin
    for j:=0 to MotherBmp.Width-newSubBmp.Width-1 do
    begin
      case PixelFormat of
        pf24bit: tmpc:=GetDataDifference(SData,j*3,i,Width*3,Height,TData,0,0,use);
        pf32bit: tmpc:=GetDataDifference(SData,j*4,i,Width*4,Height,TData,0,0,use);
        pf16bit: tmpc:=GetDataDifference(SData,j*2,i,Width*2,Height,TData,0,0,use);
        pf8bit : tmpc:=GetDataDifference(SData,j,i,Width,Height,TData,0,0,use);
        pf15bit: tmpc:=GetDataDifference(SData,j*2,i,Width*2,Height,TData,0,0,use);
      end;
      if tmpc>minc then
      begin
        minc:=tmpc;
        minx:=i;
        miny:=j;
      end;
    end;
  end;
  ResultRect:=rect(minx,miny,minx+width,miny+height);
  result:=minc;  if same then NewSubBmp.Free;