KR20190053304A - 3-차원 텍스처링된 메시들의 견고한 병합 - Google Patents
3-차원 텍스처링된 메시들의 견고한 병합 Download PDFInfo
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Abstract
Description
[0007] 도 1은 일부 실시예들에 따라 둘 또는 그 초과의 3D 메시들을 병합하는 방법을 예시하는 단순화된 흐름도이다.
[0008] 도 2는 일 실시예에 따라 2개의 메시들의 이미지들을 예시한다.
[0009] 도 3은 일 실시예에 따라 2개의 메시들 간의 공간적 정렬을 수행하는 방법을 예시하는 흐름도이다.
[0010] 도 4a 내지 도 4c는 일 실시예에 따른 공간적 정렬 절차를 예시하는 개략도들이다.
[0011] 도 5는 본 발명의 일 실시예에 따른 공간적 정렬 절차 후에 도 2에 예시된 2개의 메시들의 이미지들을 예시한다.
[0012] 도 6은 일 실시예에 따라, 2개의 메시들 간의 거짓 매칭이 검출될 수 있는 예를 예시하는 개략도이다.
[0013] 도 7a는 일부 실시예들에 따라, 메시 클리핑 절차가 2개의 메시들에 적용될 수 있는 예시적인 복셀들의 그리드의 2차원 도면을 예시하는 개략도이다.
[0014] 도 7b는 일 실시예에 따라, 메시 클리핑 절차가 수행된 후에 도 7a에 예시된 바와 같은 2개의 메시들을 예시하는 개략도이다.
[0015] 도 8a 및 도 8b는 각각, 일 실시예에 따라, 메시 클리핑 절차 전에 그리고 후에 도 5에 예시된 2개의 메시들의 중첩 구역의 이미지들이다.
[0016] 도 9a 및 도 9b는 일 실시예에 따른 지오메트리 정제 절차를 예시한다.
[0017] 도 10a 및 도 10b는 각각, 일 실시예에 따라, 텍스처 블렌딩 프로세스 전에 그리고 후에 병합 영역 근처의 병합된 메시의 예시적인 이미지들을 예시한다.
[0018] 도 11은 일 실시예에 따라, 메시 병합 알고리즘을 사용하여 도 2에 예시된 2개의 메시들을 병합한 것으로부터 발생된 병합된 메시의 이미지를 예시한다.
[0019] 도 12는 일 실시예에 따라 3D 메시들을 병합하는 방법을 예시하는 흐름도이다.
[0020] 도 13은 일 실시예에 따라 3D 메시들을 병합하는 방법을 예시하는 흐름도이다.
Claims (13)
- 3-차원(3D) 텍스처링된 메시들을 병합하는 방법으로서,
제1 메시 및 제2 메시를 수신하는 단계;
상기 제2 메시에 대해 상기 제1 메시를 정렬하도록 공간적 정렬을 수행하는 단계;
리던던트 메시 면(face)들을 제거하기 위해 상기 제1 메시 및 상기 제2 메시 상에서 메시 클리핑을 수행하는 단계; 및
클리핑 심을 따라 상기 제1 메시 및 상기 제2 메시를 다시 성장시킴으로써, 상기 메시 클리핑에 의해 생성된 메시 연접 구멍들을 폐쇄하기 위하여 클리핑 심 주위에서 지오메트리 정제를 수행하는 단계;
를 포함하는,
3-차원(3D) 텍스처링된 메시들을 병합하는 방법. - 제1항에 있어서,
상기 제1 메시 및 상기 제2 메시를 다시 성장시키는 것은 상기 제거된 리던던트 메시 면들 중 하나 이상을 다시 성장시키는 것을 포함하는,
3-차원(3D) 텍스처링된 메시들을 병합하는 방법. - 제1항에 있어서,
상기 제1 메시 및 상기 제2 메시를 다시 성장시키는 것은 상기 클리핑 심 주위에 병합 대역을 생성하는,
3-차원(3D) 텍스처링된 메시들을 병합하는 방법. - 제1항에 있어서,
상기 지오메트리 정제를 수행하는 단계는 상기 제1 메시와 상기 제2 메시 사이의 내부공간을 감소시키기 위해 상기 제1 메시 및 상기 제2 메시의 대응하는 중첩 구역들을 구부리는 단계를 더 포함하는,
3-차원(3D) 텍스처링된 메시들을 병합하는 방법. - 제1항에 있어서,
상기 지오메트리 정제를 수행하는 단계는 상기 제1 메시의 하나 이상의 꼭짓점들을 상기 제2 메시의 대응하는 하나 이상의 매칭 꼭짓점들을 향해 병진운동시키는 단계를 더 포함하는,
3-차원(3D) 텍스처링된 메시들을 병합하는 방법. - 제5항에 있어서,
상기 제1 메시의 하나 이상의 꼭짓점들을 상기 제2 메시의 대응하는 하나 이상의 매칭 꼭짓점들을 향해 병진운동시키는 단계는 상기 제1 메시의 하나 이상의 꼭짓점들 중 제1 꼭짓점의 위치를 병진운동시키는 단계를 포함하는,
3-차원(3D) 텍스처링된 메시들을 병합하는 방법. - 제6항에 있어서,
경계 항 B(f v )을 정의하는 단계를 더 포함하는,
3-차원(3D) 텍스처링된 메시들을 병합하는 방법. - 제9항에 있어서,
상기 경계 항을 정의하는 단계는 메시 경계로부터 메시 면까지의 거리가 증가하는 것과 동시에 메시 면들에 대한 복셀(voxel) 에너지를 점진적으로 감소시키는,
3-차원(3D) 텍스처링된 메시들을 병합하는 방법. - 제10항에 있어서,
상기 제1 메시의 하나 이상의 꼭짓점들을 상기 제2 메시의 대응하는 하나 이상의 매칭 꼭짓점들을 향해 병진운동시키는 단계는:
상기 경계 항 내의 꼭짓점들에 가중치 w L 를 적용하는 단계, 및
상기 경계 항 밖의 꼭짓점들에 가중치 w S 를 적용하는 단계
를 포함하는,
3-차원(3D) 텍스처링된 메시들을 병합하는 방법. - 제11항에 있어서,
w L 은 w S 보다 더 큰,
3-차원(3D) 텍스처링된 메시들을 병합하는 방법. - 제1항에 있어서,
병합된 메시를 획득하기 위해 상기 클리핑 심에 인접한 구역들에서 텍스처 블렌딩을 수행하는 단계를 더 포함하는,
3-차원(3D) 텍스처링된 메시들을 병합하는 방법.
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KR1020187032239A KR101979418B1 (ko) | 2016-04-13 | 2017-03-27 | 3-차원 텍스처링된 메시들의 견고한 병합 |
KR1020227021921A KR102548340B1 (ko) | 2016-04-13 | 2017-03-27 | 3-차원 텍스처링된 메시들의 견고한 병합 |
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KR1020187032239A KR101979418B1 (ko) | 2016-04-13 | 2017-03-27 | 3-차원 텍스처링된 메시들의 견고한 병합 |
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CN109074675A (zh) | 2018-12-21 |
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US11210852B2 (en) | 2021-12-28 |
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