Perspective

1 개요

Perspective 알고리즘은 선형 방정식을 이용하여 이미지를 투영 변환하는 알고리즘 입니다.

2 알고리즘 상세 설명

원본 이미지에서 지정한 투영 영역을 대상 이미지에서 지정한 투영 영역으로 투영변환합니다.

Source Image	Destination Image

Fig. Perspective 동작 실행

3 파라미터 설정 및 사용 방법

세팅 함수
- SetSourceProjection
  - Source 이미지에서 투영 영역을 설정합니다.
- SetDestinationProjection
  - Destination 이미지에서 투영 영역을 설정합니다.
- SetInterpolationMethod
  - 보간법을 설정합니다.
  - EInterpolationMethod_Bilinear 쌍선형 보간법
  - EInterpolationMethod_NearestNeighbor 최근접 보간법
  - EInterpolationMethod_Bicubic 쌍입방 보간법
  - EInterpolationMethod_Lanczos Lanczos 보간법
- SetAccuracy
  - 연산의 정밀도를 설정합니다.
  - EFLoatingPointAccuracy_Bit32 32 bit
  - EFLoatingPointAccuracy_Bit64 64 bit

4 예제 코드

CPerspective perspective;

CFLImage fliSourceImage;
perspective.SetSourceImage(fliSourceImage);

CFLImage fliDestinationImage;
perspective.SetDestinationImage(fliDestinationImage);

CFLQuad<double> flfSourceProjection;
perspective.SetSourceProjection(flfSourceProjection);

CFLRect<double> flfDestinationProjection;
perspective.SetDestinationProjection(flfDestinationProjection);

perspective.Execute();

CPerspective perspective = new CPerspective();

CFLImage fliSourceImage = new CFLImage();
perspective.SetSourceImage(ref fliSourceImage);

CFLImage fliDestinationImage = new CFLImage();
perspective.SetDestinationImage(ref fliDestinationImage);

CFLQuad<double> flfSourceProjection = new CFLQuad<double>();
perspective.SetSourceProjection(flfSourceProjection);

CFLRect<double> flfDestinationProjection = new CFLRect<double>();
perspective.SetDestinationProjection(flfDestinationProjection);

perspective.Execute();

perspective = CPerspective()

fliSourceImage = CFLImage()
perspective.SetSourceImage(fliSourceImage)

fliDestinationImage = CFLImage()
perspective.SetDestinationImage(fliDestinationImage)

flfSourceProjection = CFLQuad[Double]()
perspective.SetSourceProjection(flfSourceProjection)

flfDestinationProjection = CFLRect[Double]()
perspective.SetDestinationProjection(flfDestinationProjection)

perspective.Execute()