Heard Island Coastal Orthophotos derived from Non-Metric Photography

The orthophoto is a rectified georeferenced image of the Heard Island Coastal Area. Distortions due to relief and tilt displacement have been removed. Orthophotos were derived from non-metric Hasselblad and Linhof cameras (focal length unknown).The photos are between 17 MB and 193 MB each, and are in tiff format with associated world files.

本数据集包含的正射影像（orthophoto）为赫德岛沿海区域经校正的地理参考影像，已消除由地形起伏与倾斜位移引发的影像畸变。该类正射影像源自非量测型哈苏（Hasselblad）与林好夫（Linhof）相机，相机焦距未知。单张影像文件大小介于17 MB至193 MB之间，采用TIFF格式存储，并附带配套的世界文件。