Читать книгу Urban Remote Sensing - Группа авторов - Страница 48

During the early integration of UAS technology into remote sensing in the early 2000s, visiblespectrum cameras (RGB) were the most popular type of payload sensor carried by commercially available UAS (Pajares, 2015). With the expansion of UAS technology into diverse industries more recently, the scaled‐down versions of many airborne and space imaging instruments are becoming available for UAS platforms, including multispectral sensors, hyperspectral sensors, thermal cameras, and LiDAR sensors. Detailed discussions about the selection of models and parameters (e.g. focal length and pixel size) for UAS sensing payloads can be found elsewhere (e.g. Colomina and Molina, 2014; Pepe et al., 2018; Yao et al., 2019). Here, we only focused on the characteristics of the most common types of sensor data and their potential applications, which are important for researchers to consider when planning their specific projects. A brief description of the different sensor data and their advantages and disadvantages are provided as follows.