Robust bundle adjustment for large-scale structure from motion
Sign Up to like & getrecommendations! Published in 2017 at "Multimedia Tools and Applications"
DOI: 10.1007/s11042-017-4581-5
Abstract: Bundle adjustment (BA) is the problem of refining a visual reconstruction to produce jointly optimal 3D structure and viewing parameter (camera pose and or calibration) estimates, and it is almost always used as the last… read more here.
Keywords: large scale; bundle adjustment; robust bundle; structure motion ... See more keywords
Fast incremental structure from motion based on parallel bundle adjustment
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Real-Time Image Processing"
DOI: 10.1007/s11554-020-00970-3
Abstract: Structure from motion has attracted a lot of research in recent years, with new state-of-the-art approaches coming almost every year. One of its advantages over 3D reconstruction is that it can be used for any… read more here.
Keywords: parallel bundle; bundle adjustment; structure motion;
Quantification of fluvial wood using UAVs and structure from motion
Sign Up to like & getrecommendations! Published in 2019 at "Geomorphology"
DOI: 10.1016/j.geomorph.2019.106837
Abstract: Abstract Fluvial wood is recognized as one of the key elements of riverine environments. Its importance, role, and potential related risks are widely considered and analysed. Still, to characterize and measure wood elements in the… read more here.
Keywords: field; methodology; fluvial wood; structure motion ... See more keywords
Digital outcrop modelling using “structure-from- motion” photogrammetry: Acquisition strategies, validation and interpretations to different sedimentary environments
Sign Up to like & getrecommendations! Published in 2019 at "Journal of South American Earth Sciences"
DOI: 10.1016/j.jsames.2019.102325
Abstract: Abstract Structure from Motion–Multi-View Stereo (SfM-MVS) is a relatively new technique that is being adopted in the analysis of sedimentary systems. The technique is especially applicable to studies which focus on the distribution, geometry and… read more here.
Keywords: different sedimentary; sedimentary environments; sfm mvs; structure motion ... See more keywords
Validation of Geodetic Seafloor Benchmark Stability Using Structure‐From‐Motion and Seafloor Pressure Data
Sign Up to like & getrecommendations! Published in 2019 at "Earth and Space Science"
DOI: 10.1029/2019ea000623
Abstract: One commonly used method to measure and detect centimeter‐scale changes on land is structure‐from‐motion (SfM) photogrammetry, wherein sets of digital images are used to generate three‐dimensional spatial models. Subcentimeter accuracy useful for geodetic studies is… read more here.
Keywords: accuracy; survey; pressure; structure motion ... See more keywords
Selecting image pairs for structure-from-motion by introducing the image spatial position
Sign Up to like & getrecommendations! Published in 2020 at "Remote Sensing Letters"
DOI: 10.1080/2150704x.2020.1811912
Abstract: ABSTRACT Image matching is a quite time-consuming task for Structure-from-Motion (SfM). In this paper, a Bag-of-Words (BoW) model that reduces the feature dimensions and introduces image spatial locations is proposed to improve the efficiency and… read more here.
Keywords: image pairs; image spatial; image; structure motion ... See more keywords
Structure-From-Motion With Varying Principal Point
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3179645
Abstract: We consider the problem of structure-from-motion (SfM) for images with varying principal point (PP) but otherwise fixed calibration. This scenario occurs for archival imagery taken using historic glass plate and film cameras without fiducial markers,… read more here.
Keywords: varying principal; structure motion; principal point;
Refractive Light-Field Features for Curved Transparent Objects in Structure From Motion
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2021.3093873
Abstract: Curved refractive objects are common in the human environment, and have a complex visual appearance that can cause robotic vision algorithms to fail. Light-field cameras allow us to address this challenge by capturing the view-dependent… read more here.
Keywords: transparent objects; curved transparent; structure motion; light field ... See more keywords
Latent-Smoothness Nonrigid Structure From Motion by Revisiting Multilinear Factorization
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Cybernetics"
DOI: 10.1109/tcyb.2018.2849146
Abstract: How to implement an effective factorization for nonrigid structure from motion (NRSFM) has attracted much attention in recent years. A straightforward factorization scheme is to multilinearly solve NRSFM in an alternating manner, where each of… read more here.
Keywords: latent smoothness; multilinear factorization; structure motion; factorization ... See more keywords
RTSfM: Real-Time Structure From Motion for Mosaicing and DSM Mapping of Sequential Aerial Images With Low Overlap
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3090203
Abstract: Inspired by simultaneous localization and mapping (SLAM) style workflow, this article presented an online sequential structure from motion (SfM) solution for high-frequency video and large baseline high-resolution aerial images with high efficiency and novel precision.… read more here.
Keywords: real time; time; structure motion; aerial images ... See more keywords
Parallel Structure From Motion for UAV Images via Weighted Connected Dominating Set
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3222776
Abstract: Incremental structure from motion (ISfM) has been widely used for unmanned aerial vehicle (UAV) image orientation. Its efficiency, however, decreases dramatically due to iterative bundle adjustment (BA). Although the divide-and-conquer strategy has been used for… read more here.
Keywords: structure motion; connected dominating; dominating set; weighted connected ... See more keywords