A comparative experimental study of rill erosion on loess soil and clay loam soil based on a digital close-range photogrammetry technology

Jiang, Yanmin; Shi, Haijing; Wen, Zhu; Guo, Ming; Jing, Zhao; Xiaoping, Cao; Shui, Junfeng; Paull, David

doi:10.1016/j.geomorph.2022.108487

Cited by 7 publications

(1 citation statement)

References 65 publications

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“…Close-range photogrammetry is employed in the detailed analysis of geological structures. Conventional photogrammetry was used by Jiang et al (2022) to reconstruct soil surfaces and assess rill erosion. Harbowo et al (2022) used close-range (1-cm) photogrammetry to reconstruct meteorite rock structures.…”

Section: Recent Adaptations and Variants Of Close-range Photogrammetrymentioning

confidence: 99%

A low-cost close-range photogrammetric surface scanner

Koutlemanis,

Zabulis,

Stivaktakis

et al. 2024

Front. Imaging.

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IntroductionA low-cost, close-range photogrammetric surface scanner is proposed, made from Computer Numerical Control (CNC) components and an off-the-shelf, consumer-grade macro camera.MethodsTo achieve micrometer resolution in reconstruction, accurate and photorealistic surface digitization, and retain low manufacturing cost, an image acquisition approach and a reconstruction method are proposed. The image acquisition approach uses the CNC to systematically move the camera and acquire images in a grid tessellation and at multiple distances from the target surface. A relatively large number of images is required to cover the scanned surface. The reconstruction method tracks keypoint features to robustify correspondence matching and uses far-range images to anchor the accumulation of errors across a large number of images utilized.Results and discussionQualitative and quantitative evaluation demonstrate the efficacy and accuracy of this approach.

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Section: Recent Adaptations and Variants Of Close-range Photogrammetrymentioning

confidence: 99%