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International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XXXIX-B3, 2012 
XXII ISPRS Congress, 25 August — 01 September 2012, Melbourne, Australia 
images with one panchromatic channel only. In that sense, the 
method appears to be sensor-independent and can be directly 
applied to e.g. multispectral Pléiades images, by using the 
panchromatic channel of these images. It should be noted that 
our method requires the availability of a pile of several images, 
acquired at different epochs. If this constraint prima facie 
appears to be strong, it actually corresponds to a normal 
configuration for satellite data acquisition, especially in areas 
where the cloud cover is important all year round. Our 
experiments were carried out in a difficult context ie. with 
images containing a lot of radiometrically saturated pixels. That 
caused large false positive cloud detections and necessitated 
developing a specific post-procedure. These drawbacks will not 
appear with Pléiades images, as these images have a higher 
dynamic range. In addition, the availability of a NIR channel 
will allow us to build more robust procedures including a joint 
detection of clouds and shadows. 
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