Relevant bibliographies by topics / Oblique aerial photography

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Oblique aerial photography'

Author: Grafiati
Published: 9 March 2023
Last updated: 10 March 2023

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Journal articles on the topic "Oblique aerial photography"

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Matthews, M. C., and C. R. I. Clayton. "The Use of Oblique Aerial Photography to Investigate the Extent and Sequence of Landslipping at Stag Hill, Guildford, Surrey." Geological Society, London, Engineering Geology Special Publications 2, no. 1 (1986): 309–15. http://dx.doi.org/10.1144/gsl.1986.002.01.54.

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AbstractThe University of Surrey is situated on the northern slopes of Stag Hill, below Guildford Cathedral, which occupies the summit. During the investigation for the design of the University, it became apparent that the site was underlain by a large landslip, 500 m wide from east to west and extending 160 m from rear scarp to toe. Considerable effort was made to establish its geometry and extent (Skempton & Petley (1967), and Morgenstern & Tchalenko (1967)).In recent years it was realised that because the construction of the Cathedral extended over a long period of time, the likelihood of Stag Hill being covered by oblique aerial photography would be high. Some forty oblique aerial photographs, spanning the period 1949 to 1982, were collected and analysed together with vertical aerial photographs and topographic maps.Although the landslip is visible on vertical aerial photographs, individual elements are not easily identified. Using oblique photography, in particular that in which recognition of subdued topography has been enhanced by low sun angles, up to six phases of landslipping were identified.This paper uses this example to demonstrate the usefulness of aerial photography in site investigation and in particular the value of oblique photography, a topic which receives little attention in BS 5930:1981 considering how cost effective this tool can be.
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Cai, Z., W. Liu, G. Luo, and Z. Xiang. "STUDY ON PRACTICAL TECHNOLOGIES OF AERIAL TRIANGULATION FOR REAL SCENE 3D MOELING WITH OBLIQUE PHOTOGRAPHY." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3 (April 30, 2018): 119–21. http://dx.doi.org/10.5194/isprs-archives-xlii-3-119-2018.

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The key technologies in the real scene 3D modeling of oblique photography mainly include the data acquisition of oblique photography, layout and surveying of photo control points, oblique camera calibration, aerial triangulation, dense matching of multi-angle image, building of triangulation irregular network (TIN) and TIN simplification and automatic texture mapping, among which aerial triangulation is the core and the results of aerial triangulation directly affect the later model effect and the corresponding data accuracy. Starting from this point of view, this paper aims to study the practical technologies of aerial triangulation for real scene 3D modeling with oblique photography and finally proposes a technical method of aerial triangulation with oblique photography which can be put into practice.
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Zhu, X., G. Pang, and C. Chen. "RESEARCH AND APPLICATION OF HISTORICAL 3D MODELING BASED ON ARCHIVED NON-OBLIQUE AERIAL PHOTOS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B2-2020 (August 12, 2020): 555–60. http://dx.doi.org/10.5194/isprs-archives-xliii-b2-2020-555-2020.

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Abstract. Nowadays, the oblique and multi-view, large-overlap aerial photography and airborne LiDAR are the main sources to build the 3D scene model. However, most of our archived aerial photos are acquired by non-oblique, normal photography. Because of low resolution, low overlay and poor model texture, there were less relative research and application. With the development of pixel-level matching technology, especially the application of Semi-Global Matching (SGM) and Multi-View Stereo (MVS) algorithm, the normal (non-oblique, non-large overlap) aerial photos could also be explored to restore the dense Digital Surface Model (DSM) and 3D scene model. In this paper, the method of the 3D scene modelling with the non-oblique aerial photos are summarized into 4 steps consisting of Data preprocessing, Ground Control Points (GCPs) collection and aerial triangulation (AT), DSM extraction and editing, 3D modelling and visualization. For the archived non-oblique aerial photos, including the aerial photographic films, digital frame photos and push-broom aerial data, the key steps of the 3D modelling method with these non-oblique aerial photos are discussed. Based on the experiments, the method can effectively explore the archived normal aerial data for large range restoration, 3D restoration, time series change detection and etc., providing new valuable spatio-temporal data for the urban historical research.
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Wang, Zehong, and Long Xiao. "Research on relative orientation method of oblique aerial photography based on basic matrix." Journal of Physics: Conference Series 2093, no. 1 (November 1, 2021): 012025. http://dx.doi.org/10.1088/1742-6596/2093/1/012025.

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Abstract After the oblique aerial photography technology is used to collect the stereo image, it is necessary to use the relative orientation method to check the image parameters. After the rectification process is completed, the 3D software is used to draw the 3D model to meet the subsequent application requirements. The author of this paper analyzes the difficulty of the matching and aerial photography, including affine transformation cannot successful transformation, influence there covered phenomenon and characteristic finishing is difficult, the combination of fundamental matrix tilt aerial photography as a method of relative orientation, through the study of oblique aerial photography based matrix as precision control points, its aim is to continuously optimize tilt aerial photography as the content, improve the use value of collation results.
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Carbonetto, Kim. "The National Air Photo Library." Research Notes 12, no. 1 (October 23, 2013): 67–72. http://dx.doi.org/10.7202/1018997ar.

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The National Air Photo Library holds more than four million photographs. Complete coverage of the country, including its towns and cities, is available. Many places have been the subject of vertical, oblique, and scenic aerial photography from the beginning of the service in the 1920s.
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Che, Yingpu, Qing Wang, Ziwen Xie, Long Zhou, Shuangwei Li, Fang Hui, Xiqing Wang, Baoguo Li, and Yuntao Ma. "Estimation of maize plant height and leaf area index dynamics using an unmanned aerial vehicle with oblique and nadir photography." Annals of Botany 126, no. 4 (May 20, 2020): 765–73. http://dx.doi.org/10.1093/aob/mcaa097.

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Abstract Background and Aims High-throughput phenotyping is a limitation in plant genetics and breeding due to large-scale experiments in the field. Unmanned aerial vehicles (UAVs) can help to extract plant phenotypic traits rapidly and non-destructively with high efficiency. The general aim of this study is to estimate the dynamic plant height and leaf area index (LAI) by nadir and oblique photography with a UAV, and to compare the integrity of the established three-dimensional (3-D) canopy by these two methods. Methods Images were captured by a high-resolution digital RGB camera mounted on a UAV at five stages with nadir and oblique photography, and processed by Agisoft Metashape to generate point clouds, orthomosaic maps and digital surface models. Individual plots were segmented according to their positions in the experimental design layout. The plant height of each inbred line was calculated automatically by a reference ground method. The LAI was calculated by the 3-D voxel method. The reconstructed canopy was sliced into different layers to compare leaf area density obtained from oblique and nadir photography. Key Results Good agreements were found for plant height between nadir photography, oblique photography and manual measurement during the whole growing season. The estimated LAI by oblique photography correlated better with measured LAI (slope = 0.87, R2 = 0.67), compared with that of nadir photography (slope = 0.74, R2 = 0.56). The total number of point clouds obtained by oblique photography was about 2.7–3.1 times than those by nadir photography. Leaf area density calculated by nadir photography was much less than that obtained by oblique photography, especially near the plant base. Conclusions Plant height and LAI can be extracted automatically and efficiently by both photography methods. Oblique photography can provide intensive point clouds and relatively complete canopy information at low cost. The reconstructed 3-D profile of the plant canopy can be easily recognized by oblique photography.
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Warner, W. S., and L. E. Blankenberg. "Bundle Adjustment For 35 mm Oblique Aerial Photography." Photogrammetric Record 15, no. 86 (October 1995): 217–24. http://dx.doi.org/10.1111/0031-868x.00027.

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Liu, P., Y. C. Li, W. Hu, and X. B. Ding. "Segmentation and Reconstruction of Buildings with Aerial Oblique Photography Point Clouds." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XL-7/W4 (June 26, 2015): 109–12. http://dx.doi.org/10.5194/isprsarchives-xl-7-w4-109-2015.

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Oblique photography technology as an excellent method for 3-D city model construction has brought itself to large-scale recognition and undeniable high social status. Tilt and vertical images with the high overlaps and different visual angles can produce a large number of dense matching point clouds data with spectral information. This paper presents a method of buildings reconstruction with stereo matching dense point clouds from aerial oblique images, which includes segmentation of buildings and reconstruction of building roofs. We summarize the characteristics of stereo matching point clouds from aerial oblique images and outline the problems with existing methods. Then we present the method for segmentation of building roofs, which based on colors and geometrical derivatives such as normal and curvature. Finally, a building reconstruction approach is developed based on the geometrical relationship. The experiment and analysis show that the methods are effective on building reconstruction with stereo matching point clouds from aerial oblique images.
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Su, Wen-June, and Christopher Stohr. "Aerial-photointerpretation of landslides along the Ohio and Mississippi rivers." Environmental and Engineering Geoscience 6, no. 4 (November 1, 2000): 311–23. http://dx.doi.org/10.2113/gseegeosci.6.4.311.

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Abstract A landslide inventory was conducted along the Ohio and Mississippi rivers in the New Madrid Seismic Zone of southern Illinois, between the towns of Olmsted and Chester, Illinois. Aerial photography and field reconnaissance identified 221 landslides of three types: rock/debris falls, block slides, and undifferentiated rotational/translational slides. Most of the landslides are small- to medium-size, ancient rotational/translational features partially obscured by vegetation and modified by weathering. Five imagery sources were interpreted for land-slides: 1:250,000-scale side-looking airborne radar (SLAR); 1:40,000-scale, 1:20,000-scale, 1:6,000-scale, black and white aerial photography; and low altitude, oblique 35-mm color photography. Landslides were identified with three levels of confidence on the basis of distinguishing characteristics and ambiguous indicators. SLAR imagery permitted identification of a 520 hectare mega-landslide which would not have been identified on medium-scale aerial photography. The leaf-off, 35-mm color, oblique photography provided the best imagery for confident interpretation of detailed features needed for smaller landslides.
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Kalaugher, P. G., P. Grainger, and R. L. P. Hodgson. "Cliff stability evaluation using geomorphological maps based on oblique aerial photographs." Geological Society, London, Engineering Geology Special Publications 4, no. 1 (1987): 155–61. http://dx.doi.org/10.1144/gsl.eng.1987.004.01.18.

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AbstractGeomorphological mapping is a well established tool in terrain evaluation. A case record is presented in which high-oblique aerial photography from a light aircraft has been used for basic mapping of a 3 km length of coastline with the purpose of assessing relative landslide hazard.The cliffs at Budleigh Salterton, East Devon, are formed in a succession of Permo-Triassic mudstone, conglomerate and sandstone which dip gently eastwards along the coast. The coastline is divided into five units based on changes in the stratigraphic succession exposed in the cliff face; each unit correlating with distinctive geomorphological features and cliff profiles. Groundwater discharges, wave attack and weathering ensure that there is continuing geomorphological activity. This necessitates frequent updating of local hazard assessment.Overlapping aerial photographs of the cliff face have been taken at intervals during the past six years. With limited ground inspection these photographs provide adequate data for basic geomorphological mapping of the principal forms represented in the cliff. Successive series of photographs are used to follow the development of individual features and to identify the hazards present in each section of the cliff. Data from early Ordnance Survey maps, old photographs and personal reminiscences extend parts of the history of the coast back into the last century. The positions of landslides are controlled largely by geological and hydrological factors whereas the timing of events is often a function of external environmental triggering mechanisms such as weather, tide or waves.A classification of the relative hazard of cliff-top instability has been used to map hazard zones for the coastline. Together with the system of photographic data acquisition advocated, this provides a rapid and economic method to assist planning authorities in determining development strategy.
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Dissertations / Theses on the topic "Oblique aerial photography"

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Ninfo, Andrea. "DEM e telerilevamento per lo studio geomorfologico delle pianure alluvionali." Doctoral thesis, Università degli studi di Padova, 2009. http://hdl.handle.net/11577/3426454.

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Alluvial plains are characterized by a very low gradient relief and is difficult to detect their morphologies from the terrain. Two methodologies are applied to study the geomorphology of the venetian-friulian plane and the Murghab,s terminal fan (Turkmenistam): analysis of DEMs and remote sensing images, acquired from satellite and aerial platform.. DEMs are the fundamental input of the terrain modeling, but their theory references are relatively poor defined, especially in low gradient area. The use of a methodology (DEM) where the uncertainty always exists, need a synthesis of the conceptual model adopted in this research. The application of a methodology where uncertain is always around the corner is needed to give a synthesis of the conceptual model adopted in this research. The morphometric analyses on an apposite constructed DEM of the Venetian plain, permit the automatic classification of the landforms, with a good level of coherence and detail. Statistical analyses of the curvatures show their strong geomorphic meaning and can help to distinguish the processes that, over time, have generate this complex system. The acquisition and the processing of oblique aerial photographs in the part of friulian-venetian plain, crossed by the roman road via Annia, give new results to investigate the paleohydrology and geoarcheology of this area. Cropmark reveals, with extraordinary clearness, parts of the millenary interaction between natural and human dynamics. Both methods are effective in the study of the geomorphological evolution of the Murghab’s terminal fan. The morphological monotony of the distal part of the fan, clashes with the complexity of the interactions between the processes that regulate their evolution. The appropriate use of both the methodologies, followed by the validate on terrain, can give a substancial contribute to the geomorphological study of alluvial plains.
Le pianure alluvionali si caratterizzano per la debole inclinazione e le morfologie fluviali che le costituiscono risultano difficilmente percepibili sul terreno. In questa ricerca, due metodologie sono applicate allo studio gemorfologico della pianura veneto-friulana e di quella del Murghab (Tukmenistan): l’analisi di DEM e di immagini telerilevate, da piattaforma satellitare e aerea. I DEM costituiscono l’input fondamentale del terrain modeling ma il loro quadro di riferimento teorico è relativamente poco definito. Nell’applicazione di un metodo (DEM) dove l’incertezza è sempre latente, si sente il bisogno di fornire una sintesi dei modelli concettuali adottati in questa ricerca. L’analisi morfometrica condotta sul DEM della pianura veneta, adeguatamente preparato, consente la classificazione automatica delle morfologie con un buon grado di coerenza. L’analisi statistica delle curvature dimostra il loro forte significato geomorfologico e si rivela d’ausilio per caratterizzare i processi che nel tempo hanno generato le diverse superfici che costituiscono la pianura. L’acquisizione e l’elaborazione di dati telerilevati di dettaglio nella bassa pianura venetofriulana attraversata dalla via Annia (di epoca romana), che congiungeva le principali città dell’Alto Adriatico, ha portato buoni risultati. I cropmark rivelano con straordinaria chiarezza “frammenti” della millenaria interazione tra dinamiche naturali e antropiche in questa porzione di territorio. Entrambi i metodi si sono rivelati efficaci nello studio dell’evoluzione geomorfologica del terminal fan del Murghab. La monotonia morfologica che caratterizza le pianure contrasta con la complessità delle interazioni tra i processi che ne controllano l’evoluzione. Un adeguato utilizzo incrociato di entrambe le metodologie, seguito dalla validazione sul terreno, può fornire un sostanziale contributo allo studio geomorfologico delle pianure alluvionali.
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Santos, Rodrigo Borges dos. ""Metodologias para geração e atualização de mosaicos de fotos aéreas no Projeto ARARA"." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/55/55134/tde-06122004-154803/.

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A produção de mosaicos fotográficos é uma atividade de apoio bastante importante em diversas áreas tais como a geração de mapas, o monitoramento ambiental e o gerenciamento agrícola. A fotogrametria, e em especial a aerofotogrametria, é a ciência que trata, entre outros tópicos, da geração de mosaicos através de procedimentos trabalhosos, o que torna sua manutenção uma tarefa difícil e de alto custo. O Projeto ARARA (Aeronaves de Reconhecimento Assistidas por Rádio e Autônomas) representa uma alternativa de baixo custo para a aquisição de fotografias aéreas. Câmeras digitais de pequeno formato a bordo das aeronaves permitem a obtenção automática das fotografias necessárias para a geração de mosaicos. Este trabalho propõe uma metodologia para a geração e a atualização de mosaicos compostos por fotografias aéreas oblíquas digitais e de pequeno formato, adquiridas com o auxílio das aeronaves do Projeto ARARA. As fotografias podem ser submetidas a procedimentos que associam técnicas de ortoretificação e processamento digital de imagens para corrigir suas distorções geométricas e radiométricas. A metodologia apresentada neste trabalho procura evitar a necessidade de pontos de controle no solo e focaliza a geração automática ou semi-automática dos mosaicos. Procedimentos automáticos têm o potencial de permitir a utilização de uma grande quantidade de fotografias de pequeno formato em substituição às fotografias normalmente utilizadas pela aerofotogrametria convencional.
The generation of photographic mosaics is an important activity in many areas such as map production, environment monitoring and agricultural management. Photogrammetry, and specially aero-photogrammetry, are the sciences that deal, among other subjects, with mosaic generation using time consuming procedures, making the maintenance and updating of photographic mosaics a difficult and high-cost task. The ARARA Project (Autonomous and Radio Assisted Reconaissance Aircrafts), presents a low cost alternative to acquire aerial photographs. An onboard, small format digital camera can take automatically the photographs used for the mosaic generation. This work proposes a methodology for mosaic generation and updating using oblique, digital, small format aerial photographs taken by ARARA aircraft. Photographs can be corrected both geometrically and radiometrically by orthorectification and digital image processing procedures. The methodology presented in this work avoids the use of ground control points, focusing on the automatic and semi-automatic mosaic generation. An automatic procedure make possible the use of a large number of small format photographs to replace the photographs normally used in conventional aerophotogrammetry.
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Books on the topic "Oblique aerial photography"

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Oblique Views: Aerial Photography and Southwest Archaeology. Museum of New Mexico Press, 2015.

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Compilation of 1970s Woodward-Lundgren & Associates Wasatch fault investigation reports and oblique aerial photography, Wasatch Front and Cache Valley, Utah and Idaho. Utah Geological Survey, 2009. http://dx.doi.org/10.34191/ofr-548.

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Book chapters on the topic "Oblique aerial photography"

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Rafanomezantsoa, S., T. M. Rasolozaka, and X. Vincke. "OBLIQUE AERIAL PHOTOGRAPHY:." In The New Natural History of Madagascar, 2113–16. Princeton University Press, 2022. http://dx.doi.org/10.2307/j.ctv2ks6tbb.301.

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"3848 oblique aerial photograph [n]." In Encyclopedic Dictionary of Landscape and Urban Planning, 636. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-76435-9_8691.

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Conference papers on the topic "Oblique aerial photography"

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Wang, Shengke, Long Chen, Jianping Yang, Caixia Wang, Muwei Jian, Lifang Lin, and Junyu Dong. "Ocean internal waves features extraction by analysis of aerial oblique photography." In IGARSS 2016 - 2016 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2016. http://dx.doi.org/10.1109/igarss.2016.7729304.

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Tang, Feifei, Zhimin Ruan, and Li Li. "Application of unmanned aerial vehicle oblique photography in 3D modeling of crag." In Tenth International Conference on Digital Image Processing (ICDIP 2018), edited by Xudong Jiang and Jenq-Neng Hwang. SPIE, 2018. http://dx.doi.org/10.1117/12.2503015.

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Li, Jinhan, Lihai Liu, and Ke Guan. "Oblique Aerial Photography High-resolution Environment Models for High-speed Railway Ray-Tracing Simulations." In 2021 IEEE 4th International Conference on Electronic Information and Communication Technology (ICEICT). IEEE, 2021. http://dx.doi.org/10.1109/iceict53123.2021.9531199.

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Guerrero, Hugo, and Cameron Shankland. "Integrating Airborne Datasets Into the Design and Construction Planning Phases." In 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64338.

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Today, obtaining field information in traditional pipeline design workflows rely on the use of conventional aerial photography, mapping and field visits. As a Designer, Engineer or Project Manager, a field visit can answer many questions and perhaps be the key to achieving a sound, successful design and installation. While conventional aerial orthophotography and mapping is invaluable during the design, it lacks a dimension that allows you to visualize the right-of-way the way you would if you were there. The use of Airborne Video and Oblique Imagery is not intended to replace conventional aerial orthophotography or mapping, but augment its use by providing a rich visualization that, in conjunction with the planimetric data sets, can aid the project team immensely during the design and permitting phase of a project. Currently, there are Airborne Data services available serving the pipeline industry that contain custom tools that either integrate into GIS platforms or operate as stand-alone proprietary software. These tools aid designers, engineers and constructors navigate through the video without having to sit and watch the whole video. In addition, video can be geocoded to specific pipeline or right-of-way features, such as a valve sites or stream crossings. Some tools even allow you to take rough measurements from visible features like fences or roads. Having such a dataset enables project team members to revisit any location along the right-of-way as many times as required to get information to finalize a design, permit application or to estimate the cost of construction. As Project Managers, we regularly face having new team members join the project at all stages of the project. Having a video to hand to new team members reduces the time they will take to get on board and familiarize themselves with the right-of-way. It also reduces the amount of field trips required just for this purpose. Another great use of Airborne Datasets is to use it during a pre-bid conference and provide it to the contractors bidding on the job. On large pipeline projects, it is unfeasible and impractical to have the project management team tour the entire right-of-way during a job walk, and there is likely areas along the right-of-way that are not very accessible thus requiring a flyover to review it with others.
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Stepien, Grzegorz, Jozef Sanecki, Andrzej Klewski, and Ewa Zalas. "Method of Parameter Reduction in the Transformation of Oblique Photographs and Proposal of Its Implementation in Unmanned Aerial Systems." In 2016 Baltic Geodetic Congress (BGC Geomatics). IEEE, 2016. http://dx.doi.org/10.1109/bgc.geomatics.2016.38.

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Reports on the topic "Oblique aerial photography"

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DeRaps, M. R., and N. E. M. Kinsman. Spatially referenced oblique aerial photography of the Golovin shoreline, July 2012. Alaska Division of Geological & Geophysical Surveys, October 2012. http://dx.doi.org/10.14509/24465.

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DeRaps, M. R., and N. E. M. Kinsman. Spatially referenced oblique aerial photography of the Eastern Norton Sound shoreline, July 2011. Alaska Division of Geological & Geophysical Surveys, February 2012. http://dx.doi.org/10.14509/23143.

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Marcot, Bruce, M. Jorgenson, Thomas Douglas, and Patricia Nelsen. Photographic aerial transects of Fort Wainwright, Alaska. Engineer Research and Development Center (U.S.), August 2022. http://dx.doi.org/10.21079/11681/45283.

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This report presents the results of low-altitude photographic transects conducted over the training areas of US Army Garrison Fort Wainwright, in the boreal biome of central Alaska, to document baseline land-cover conditions. Flights were conducted via a Cessna™ 180 on two flight paths over portions of the Tanana Flats, Yukon, and Donnelly Training Areas and covered 486 mi (782 km) while documenting GPS waypoints. Nadir photographs were made with two GoPro™ cameras operating at 5 sec time-lapse intervals and with a handheld digital camera for oblique imagery. This yielded 6,063 GoPro photos and 706 oblique photos. Each image was intersected with a land-cover-classification map, collectively representing 38 of the 44 cover categories.
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