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Use of Multitemporal Spot HRV-PAN Images for Mapping Urban Expansion Processes

机译:使用多时域点HRV-PAN图像绘制城市扩展过程

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摘要

The use of satellite remote sensing for operationally assessing urban land cover changes is generally constrained by the limited spatial resolution of the image series which cover sufficiently long time periods. Only SPOT HRV-Panchromatic (PAN) images have in fact a sufficient spatial resolution (10 × 10 m) and are now available for more than 12 years. In most cases, however, the utility of these data for land cover change assessment has been limited by their poor spectral information content. A new multi-step methodology is currently developed to extract the information related to urban land cover changes from SPOT HRV-PAN multitemporal images.
机译:卫星遥感技术在业务上评估城市土地覆盖变化的使用通常受到图像序列空间分辨率有限(覆盖足够长的时间段)的限制。实际上,只有SPOT HRV单色(PAN)图像具有足够的空间分辨率(10×10 m),并且可以使用超过12年。然而,在大多数情况下,这些数据在土地覆被变化评估中的实用性受到频谱信息含量差的限制。当前正在开发一种新的多步骤方法,以从SPOT HRV-PAN多时相图像中提取与城市土地覆盖变化有关的信息。

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