KR20160094273A - 방사선 촬영 시스템 및 방사선 촬영 방법 - Google Patents
방사선 촬영 시스템 및 방사선 촬영 방법 Download PDFInfo
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- KR20160094273A KR20160094273A KR1020160004514A KR20160004514A KR20160094273A KR 20160094273 A KR20160094273 A KR 20160094273A KR 1020160004514 A KR1020160004514 A KR 1020160004514A KR 20160004514 A KR20160004514 A KR 20160004514A KR 20160094273 A KR20160094273 A KR 20160094273A
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Abstract
Description
도 2는 제1 실시예에 따른 방사선 촬영 시스템의 방사선 검출 장치들과 화상 데이터 사이의 관계를 도시한 도면이다.
도 3은 제1 실시예에 따른 방사선 촬영 시스템(주로, 화상 표시 제어기)의 구성을 도시한 도면이다.
도 4는 제1 실시예에 따른 방사선 촬영 시스템의 긴 사이즈의 화상의 결함 영역을 도시한 도면이다.
도 5는 제1 실시예에 따른 방사선 촬영 시스템에 구비된 화상 보정부에 의해 행해진 보정처리를 도시한 도면이다.
도 6은 제1 실시예에 따른 방사선 촬영 시스템에 구비된 화상 보정부에 의해 행해진 보정처리를 도시한 도면이다.
도 7은 제1 실시예에 따른 방사선 촬영 시스템에 구비된 화상 보정부에 의해 행해진 보정처리를 도시한 도면이다.
도 8은 제1 실시예에 따른 방사선 촬영 시스템의 동작을 나타낸 흐름도다.
도 9는 제3 실시예에 따른 방사선 촬영 시스템의 구성을 도시한 도면이다.
Claims (18)
- 방사선을 검출하는 복수의 방사선 검출 장치와, 상기 복수의 방사선 검출 장치에 의해 취득된 복수의 방사선 화상을 합성해서 긴 사이즈의 화상을 생성하는 합성 처리기를 구비한 방사선 촬영 시스템으로서,
상기 복수의 방사선 검출 장치가 서로 중첩하는 영역에 대응하는 결함 영역을, 상기 결함 영역 이외의 화상 영역의 화소값을 사용해서 보정하도록 구성된 화상 보정부를 구비한 방사선 촬영 시스템.
- 제 1항에 있어서,
상기 복수의 방사선 검출 장치의 일부가 서로 중첩되도록 상기 복수의 방사선 검출 장치가 배치되는 방사선 촬영대를 더 구비한 방사선 촬영 시스템.
- 제 1항에 있어서,
상기 복수의 방사선 검출 장치에 방사선을 동시에 방출하도록 구성된 방사선 발생부를 더 구비한 방사선 촬영 시스템.
- 제 1항에 있어서,
상기 화상 보정부에 의해 보정된 상기 긴 사이즈의 화상에 대하여 계조처리를 행하도록 구성된 계조 처리기를 더 구비한 방사선 촬영 시스템.
- 제 1항에 있어서,
상기 방사선 화상 각각에 피검자의 화상 정보가 포함되어 있는지 여부를 결정하면서, 상기 복수의 방사선 검출 장치로부터 출력된 상기 복수의 방사선 화상을 기억하도록 구성된 기억부를 더 구비한 방사선 촬영 시스템.
- 제 5항에 있어서,
상기 기억부는, 상기 복수의 방사선 검출 장치에 의해 동시에 촬영된 상기 복수의 방사선 화상을 서로 관련시켜 기억하고,
상기 합성 처리기는 상기 서로 관련된 복수의 방사선 화상을 합성하는 방사선 촬영 시스템.
- 제 1항에 있어서,
결함 영역 취득부가, 상기 복수의 방사선 검출 장치 중에서 한개로부터 취득된 방사선 화상으로부터, 상기 복수의 방사선 검출 장치 중 나머지의 구조 정보를 나타내는 결함 영역을 취득하는 방사선 촬영 시스템.
- 제 1항에 있어서,
상기 화상 보정부는, 상기 결함 영역에 인접하게 배치된 정상적인 화상 영역의 정보를 이용해서 상기 긴 사이즈의 화상 내부의 상기 결함 영역을 보정하는 방사선 촬영 시스템.
- 제 1항에 있어서,
상기 화상 보정부는, 상기 긴 사이즈의 화상의 상기 결함 영역 내부에 포함된 결함 행을, 상기 결함 행에 인접한 정상적인 화상 영역을 포함하는 정상 행을 이용해서 보정하는 방사선 촬영 시스템.
- 제 9항에 있어서,
상기 화상 보정부는, 상기 정상 행의 방사선 화상과 상기 결함 행의 방사선 화상 사이에 상관을 확보하면서, 상기 정상 행의 상기 방사선 화상과 상기 결함 행의 상기 방사선 화상을 혼합함으로써, 상기 결함 행을 보정하는 방사선 촬영 시스템.
- 제 9항에 있어서,
상기 화상 보정부는, 상기 긴 사이즈의 화상의 상기 결함 영역을 행 단위의 결함 행들로 분할하고, 상기 결함 영역의 단부 행으로부터 개시하여, 상기 결함 행들 각각이 상기 단부 행에 인접한 정상 영역의 일부인 정상 행 또는 보정된 결함 행의 화소값 분포에 근사하도록, 상기 행 단위로 보정처리를 반복하여 행하는 방사선 촬영 시스템.
- 제 9항에 있어서,
상기 화상 보정부는, 상기 긴 사이즈의 화상 내부의 상기 결함 영역과 구조 정보 사이의 위치맞춤을 행하고, 상기 긴 사이즈의 화상 내부에 포함된 상기 결함 행에 대응하는 상기 구조 정보 내부에 포함된 결함 정보를 사용하여 상기 긴 사이즈의 화상을 보정하는 방사선 촬영 시스템.
- 제 1항에 있어서,
상기 화상 보정부는, 상기 긴 사이즈의 화상의 상기 결함 영역을 수직으로 사이에 끼우는 행들로부터 양방향으로 보정을 행함으로써 2개의 보정 결과를 생성해서 상기 긴 사이즈의 화상을 보정하는 방사선 촬영 시스템.
- 제 1항에 있어서,
상기 합성 처리기는, 상기 복수의 방사선 검출 장치 사이의 배치 관계에 따라, 상기 복수의 방사선 화상을 조정해서 상기 긴 사이즈의 화상을 생성하는 방사선 촬영 시스템.
- 제 1항에 있어서,
상기 합성 처리기는, 상기 복수의 방사선 검출부의 배치 관계에 따라, 상기 긴 사이즈의 화상 내부의 상기 결함 영역의 면적이 최소가 되도록 합성처리를 행하는 방사선 촬영 시스템.
- 서로 중첩되는 각각의 부분들을 갖는 복수의 방사선 검출 장치에 피검자를 투과하여 방사선을 동시에 방출해서 얻어진 복수의 방사선 화상을 합성해서 긴 사이즈의 화상을 생성하는 합성 처리기를 구비한 방사선 촬영 시스템으로서,
상기 복수의 방사선 검출 장치 중에서 한 개의 구조물의 화상을 포함하는 결함 영역을, 상기 결함 영역 이외의 화상 영역의 화소값을 사용해서 보정하도록 구성된 화상 보정부를 구비한 방사선 촬영 시스템.
- 복수의 방사선 검출 장치에 의해 취득된 복수의 방사선 화상을 합성해서 긴 사이즈의 화상을 생성하는 방사선 촬영 방법으로서,
상기 복수의 방사선 검출 장치가 서로 중첩하는 영역에 대응하는 결함 영역을, 상기 결함 영역 이외의 화상 영역의 화소값을 사용해서 보정하는 단계를 포함하는 방사선 촬영 방법.
- 복수의 방사선 검출 장치에 의해 취득된 복수의 방사선 화상을 합성해서 긴 사이즈의 화상을 생성하는 방사선 촬영 방법으로서,
상기 복수의 방사선 검출 장치 중에서 한 개의 구조물의 화상을 포함하는 결함 영역을, 상기 결함 영역 이외의 화상 영역의 화소값을 사용해서 보정하는 단계를 포함하는 방사선 촬영 방법.
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US11419567B2 (en) | 2022-08-23 |
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JP6072102B2 (ja) | 2017-02-01 |
CN110604587B (zh) | 2023-12-22 |
CN105832351B (zh) | 2022-01-14 |
EP3744256B1 (en) | 2022-12-21 |
EP3050508A1 (en) | 2016-08-03 |
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