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Population structure and domestication history of the Javan banteng.

open access: yesCurr Biol
Wang X   +23 more
europepmc   +1 more source
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Comparison of SIFT, Bi-SIFT, and Tri-SIFT and their frequency spectrum analysis

Machine Vision and Applications, 2017
This paper aims to explore frequency behavior of isotropic (regular SIFT) and anisotropic (Bi-SIFT and Tri-SIFT) versions of the scale-space keypoint detection algorithm SIFT. We introduced a new smoothing function Trilateral filter that can be used in formation of a scale-space as an alternative to the Gaussian scale-space.
Kazim Sekeroglu, Ă–mer M. Soysal
exaly   +2 more sources

SIFT Flow: Dense Correspondence across Scenes and Its Applications

open access: yesIEEE Transactions on Pattern Analysis and Machine Intelligence, 2011
While image alignment has been studied in different areas of computer vision for decades, aligning images depicting different scenes remains a challenging problem.
Ce Liu
exaly   +2 more sources

OS-SIFT: A Robust SIFT-Like Algorithm for High-Resolution Optical-to-SAR Image Registration in Suburban Areas

IEEE Transactions on Geoscience and Remote Sensing, 2018
Although the scale-invariant feature transform (SIFT) algorithm has been successfully applied to both optical image registration and synthetic aperture radar (SAR) image registration, SIFT-like algorithms have failed to register high-resolution (HR ...
Yuming Xiang, Feng Wang
exaly   +2 more sources

On SIFTs and their scales

2012 IEEE Conference on Computer Vision and Pattern Recognition, 2012
Scale invariant feature detectors often find stable scales in only a few image pixels. Consequently, methods for feature matching typically choose one of two extreme options: matching a sparse set of scale invariant features, or dense matching using arbitrary scales.
Tal Hassner   +2 more
openaire   +1 more source

Combining Optimized SAR-SIFT Features and RD Model for Multisource SAR Image Registration

IEEE Transactions on Geoscience and Remote Sensing, 2021
Multisource synthetic aperture radar (SAR) image registration is a difficult task in remote sensing due to the influence of speckle noise and geometric distortions between the images. The SAR scale-invariant feature transform (SAR-SIFT) is a prior option
Mengmeng Wang   +3 more
semanticscholar   +1 more source

Sifted Disks

Computer Graphics Forum, 2013
AbstractWe introduce the Sifted Disk technique for locally resampling a point cloud in order to reduce the number of points. Two neighboring points are removed and we attempt to find a single random point that is sufficient to replace them both. The resampling respects the original sizing function; In that sense it is not a coarsening.
Mohamed S. Ebeida   +6 more
openaire   +1 more source

SIFT-aided path-independent digital image correlation accelerated by parallel computing

, 2020
Current iterative digital image correlation (DIC) algorithms can efficiently converge at the deformation vector with high accuracy when they are fed with reliable initial guess.
Junrong Yang   +7 more
semanticscholar   +1 more source

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