Aerial Photo - Single Frame Records - CS

The Aerial Photography Single Frame Records collection is a large and diverse group of imagery acquired by Federal organizations from 1937 to the present. Over 6.4 million frames of photographic images are available for download as medium and high resolution digital products. The high resolution data provide access to photogrammetric quality scans of aerial photographs with sufficient resolution to reveal landscape detail and to facilitate the interpretability of landscape features. Coverage is predominantly over the United States and includes portions of Central America and Puerto Rico. Individual photographs vary in scale, size, film type, quality, and coverage.

航空摄影单帧记录数据集（Aerial Photography Single Frame Records）为1937年至今由美国联邦机构采集的大规模多样化影像集合。共计超640万帧摄影影像，可作为中、高分辨率数字产品供下载获取。高分辨率数据可提供达到摄影测量（photogrammetric）级别的航空影像扫描件，其分辨率足以展现地表细节，便于对地物特征进行解译。该数据集覆盖范围以美国本土为主，同时涵盖中美洲部分区域及波多黎各。单张影像在比例尺、画幅尺寸、胶片类型、成像质量及覆盖范围等方面均存在差异。