Abstract:For the mosaicking of multiple remote sensing images, obtaining the optimal stitching line in the overlapping region is a key step in creating a seamless mosaic image. However, for very large remote sensing images, the computation of finding seamlines involves a huge amount of image pixels. To handle this issue, we propose a stepwise strategy to obtain pixel-level optimal stitching lines for large remote sensing images via an upscaling–downscaling image sampling procedure. First, the resolution of the image is… Show more
“…Zhang, Z. Y. et al used a Gaussian pyramid to improve a simple ORB-oriented algorithm with a stitching speed about 10 times faster than SIFT [12]. Chai, X. C. et al used an up-scaling-down image sampling procedure to obtain pixel-level optimal stitching lines for large remote sensing images [13]. Kang, Y. et al proposed a novel multi-view X-ray digital imaging stitching algorithm (MVS) based on a CdZnTe photon-counting linear array detector to solve the problem of sector-beam X-ray stitching distortion [14].…”
Branch identification technology is a key technology to achieve automated pruning of fruit tree branches, and one of its technical bottlenecks lies in the stitching of branch images. To this end, we propose a set of branch image stitching technology algorithms. The algorithm is based on the grey-scale prime centroid method to determine the detection feature points, and uses the coordinate transformation matrix H of the corresponding points of the image to carry out the image geometric transformation, and realises the feature matching through sample comparison and classification methods. The experimental results show that the matched point images are more correct and less time-consuming.
“…Zhang, Z. Y. et al used a Gaussian pyramid to improve a simple ORB-oriented algorithm with a stitching speed about 10 times faster than SIFT [12]. Chai, X. C. et al used an up-scaling-down image sampling procedure to obtain pixel-level optimal stitching lines for large remote sensing images [13]. Kang, Y. et al proposed a novel multi-view X-ray digital imaging stitching algorithm (MVS) based on a CdZnTe photon-counting linear array detector to solve the problem of sector-beam X-ray stitching distortion [14].…”
Branch identification technology is a key technology to achieve automated pruning of fruit tree branches, and one of its technical bottlenecks lies in the stitching of branch images. To this end, we propose a set of branch image stitching technology algorithms. The algorithm is based on the grey-scale prime centroid method to determine the detection feature points, and uses the coordinate transformation matrix H of the corresponding points of the image to carry out the image geometric transformation, and realises the feature matching through sample comparison and classification methods. The experimental results show that the matched point images are more correct and less time-consuming.
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