isprs archives XLI B3 91 2016
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To reduce the processing time needed by typical stitching algorithms, the initial knowledge about the images positions provided by the navigation sensors are used to help
Note that pixels labelled clouds during the cloud detection are not used for computing the median value in the first step; additionally, the NIR input data channel is used to
The main contributions of the proposed method are extraction of road markings by combining intensity gradient features and geometric features, and recognition of
If the points spacing of all interest features are much smaller than their profiles spacing and the profile spacing is stable during the scan, in the original RGPL (Nguyen et
The next subject of the analysis was glass bottle of perfumes with a different type of glass. During the scanning, it was observed that the glass objects are
Specifically, dense point clouds which are generated with photogrammetric method using a lightweight thermal camera, are more noisy and sparse than the point clouds
method are used as seed points and as the initial known-point set. T he first step of expansion is conducted on the known-point set iteratively to find the feature points.
Second, image matching and relative orientation between image pairs are implemented with the reference image as the left image and its neighbor images as the right image
