KR20210079282A - 신경망을 이용한 사진 노출 부족 보정 - Google Patents
신경망을 이용한 사진 노출 부족 보정 Download PDFInfo
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Abstract
Description
도 1은 카메라 이미지 캡처 기능을 개선하기 위한 방법을 도시한다.
도 2는 신경망 처리를 도시한다.
도 3은 다른 신경망 처리 실시예를 도시한다.
도 4a 내지 도 4d는 선택된 신경망이 데이터 세트에서 노이즈를 제거하는 것을 도시한다.
도 5는 카메라 센서 처리 절차의 일 실시예를 도시한다.
도 6은 제어, 이미징 및 디스플레이 서브시스템을 갖는 시스템을 도시한다.
도 7은 신경망 훈련 절차의 일 실시예를 도시한다.
도 8은 일 실시예에 대한 신호 대 노이즈비 대 전체 시스템의 이득을 나타내는 그래프이다.
Claims (20)
- 이미지 캡처 방법으로서,
노출 범위를 결정하는 단계;
상기 노출 범위 밖의 노출 부족 이미지를 캡처하기 위해 적어도 하나의 카메라 파라미터를 설정하는 단계; 및
신경망을 이용하여 상기 노출 부족 이미지를 처리하여 이미지 세부 사항을 복구하는 단계를 포함하는, 이미지 캡처 방법. - 제1항에 있어서, 상기 카메라 파라미터는 조리개인, 이미지 캡처 방법.
- 제1항에 있어서, 상기 카메라 파라미터는 이미지 센서 감도인, 이미지 캡처 방법.
- 제1항에 있어서, 상기 카메라 파라미터는 셔터 속도인, 이미지 캡처 방법.
- 제1항에 있어서, 노출 부족은 움직임 또는 물체 블러의 감소를 제공하는, 이미지 캡처 방법.
- 제1항에 있어서, 노출 부족은 개선된 장기간 이미지 캡처를 제공하는, 이미지 캡처 방법.
- 제1항에 있어서, 노출 부족은 프레임 속도 증가를 제공하는, 이미지 캡처 방법.
- 제1항에 있어서, 노출 부족은 개선된 버스트 모드 캡처를 제공하는, 이미지 캡처 방법.
- 제1항에 있어서, 노출 부족은 슈퍼 이미지 안정화를 제공하는, 이미지 캡처 방법.
- 제1항에 있어서, 노출 부족은 증가된 동적 범위 이미징을 제공하는, 이미지 캡처 방법.
- 제1항에 있어서, 노출 부족은 광 레벨 감소를 제공하는, 이미지 캡처 방법.
- 제1항에 있어서, 노출 부족은 방사선 감소를 제공하는, 이미지 캡처 방법.
- 이미지 개선 방법으로서,
센서를 갖는 센서 시스템에 대한 아날로그 설정을 결정하는 단계;
상기 센서로 데이터를 캡처하는 단계; 및
상기 센서에서 제공한 이전 데이터로 훈련된 신경망을 이용하여 상기 캡처된 이미지 데이터에서 노이즈를 줄이고 이미지 세부 사항을 복구하는 단계를 포함하는, 이미지 개선 방법. - 제13항에 있어서, 신경망 훈련 응답을 개선하기 위해 아날로그 설정을 조정하는, 이미지 개선 방법.
- 제13항에 있어서, 이미지를 부족하게 노출하도록 아날로그 설정을 조정하는, 이미지 개선 방법.
- 제13항에 있어서, 이미지는 상기 신경망으로 처리한 후에 압축되는, 이미지 개선 방법.
- 결합된 아날로그 및 디지털 시스템에서 전체 시스템의 이득을 개선하기 위한 시스템으로서,
이미지 데이터를 캡처하도록 구성된 센서를 갖는 센서 시스템으로서, 상기 이미지 데이터는 순차적인 아날로그 및 디지털 절차로 처리되는, 상기 센서 시스템; 및
아날로그 증폭 후 캡처된 이미지 데이터에서 노이즈를 줄이고 이미지 세부 사항을 복구하기 위해 상기 센서 또는 센서 유형에 의해 제공된 이전 데이터로 훈련된 신경망을 포함하는, 전체 시스템의 이득을 개선하기 위한 시스템. - 제17항에 있어서, 신경망 훈련 응답을 개선하기 위해 아날로그 증폭 설정이 조정되는, 전체 시스템의 이득을 개선하기 위한 시스템.
- 제17항에 있어서, 이미지를 부족하게 노출하도록 아날로그 증폭 설정이 조정되는, 전체 시스템의 이득을 개선하기 위한 시스템.
- 제17항에 있어서, 상기 이미지 데이터는 상기 신경망으로 처리한 후에 압축되는, 전체 시스템의 이득을 개선하기 위한 시스템.
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PCT/IB2019/057753 WO2020053837A1 (en) | 2018-09-13 | 2019-09-13 | Photographic underexposure correction using a neural network |
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US (2) | US11076103B2 (ko) |
EP (1) | EP3850423A4 (ko) |
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CN (1) | CN113170030A (ko) |
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WO (1) | WO2020053837A1 (ko) |
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