To see the other types of publications on this topic, follow the link: Aerial photography in hydraulic engineering.

Journal articles on the topic 'Aerial photography in hydraulic engineering'

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Aerial photography in hydraulic engineering.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Tamang, Niraj Bal, and Naresh Kazi Tamrakar. "Morphology and dynamics of the Malekhu Khola, Dhading district, central Nepal." Journal of Nepal Geological Society 50, no. 1 (December 21, 2016): 133–42. http://dx.doi.org/10.3126/jngs.v50i1.22873.

Full text
Abstract:
Rivers have always been an indispensable part of the human civilization. They play a vital role in daily life purposes to big engineering constructions such as dams, reservoirs or hydropower projects. It is mandatory to understand the morphology and dynamics of the river before initiating any projects for easier planning and to prevent possible damage to structures. The Malekhu Khola area is one of the potential areas for urbanization and has already been undergoing development of settlement and other infrastructures. This paper describes the morphology and dynamics of the Malekhu Khola to classify and characterize the river's behavior and competency. The Malekhu Khola is a sixth-order river having its total length of 24.83 km, watershed area of 101.28 km2 and the average gradient of 0.041 m/m. Various morphological parameters were measured with the aid of topographic maps, aerial photographs and Geographic Information System (GIS). The hydraulic parameters, channel sediment and slopes were measured at 10 different transects sites through field surveys. The river was classified using the Rosgen's Level II criteria. The river reaches have been classified as A4-, B4- and C4-type streams. A4- and B4-type streams are moderate-gradient gravelly and low sinuosity rivers whereas C4-type streams are low-gradient gravelly meandering river. The Malekhu Khola gradually changes from A4- to B4-type streams up to 12 km downstream, and then to C4-type stream further downstream, but B4-type streams reappear within the distance of 15 km to 19 km from the origin. This study presents temporal changes in river channel, and flow competence and aggrading/degrading potential evaluation of the Malekhu Khola.
APA, Harvard, Vancouver, ISO, and other styles
2

Palianytsia, B. B., B. V. Kladochnyi, and Kh B. Palianytsia. "GEODESY, CARTOGRAPHY AND AERIAL PHOTOGRAPHY." GEODESY, CARTOGRAPHY AND AERIAL PHOTOGRAPHY 92,2020, no. 92 (December 24, 2020): 5–14. http://dx.doi.org/10.23939/istcgcap2020.92.005.

Full text
Abstract:
The aim of this work is to study the fluctuations of the components of the zenith tropospheric delay during the annual period according to the ground meteorological measurements in Ukraine. Methodolodgy. The surface values of meteorological values at the stations: Lviv, Kyiv, Kharkiv and Odesa, obtained in 2019 with an interval of 3 hours were used for the research. A total amount of 2020 measurements at each of the stations has been presented. The calculation of the components of the zenith tropospheric delay was performed according to the Saastamoinen formula. According to the calculated values of the components, graphs of changes in the dry and wet components of the zenith tropospheric delay for each of the stations during constructed. Subsequently, the monthly average and annual average values of the components were calculated and compared with each other. Results. Based on studies of changes in delay values at four Ukrainian meteorological stations for the period of 2019, it was found that the monthly average values of ZHD component are higher at stations whose altitude is lower. The wet component of ZWD during the year acquires the biggest values in summer. Annual fluctuations of the dry component of ZHD have a much smaller amplitude than the wet ZWD. The amplitude of the change in the total delay is determined by the amplitude of the change of the wet component, which at different stations is almost two times bigger than the amplitude of the change of the dry component, although ZWD is only up to 10% of ZTD. Thus, the variations in the total tropospheric delay, which indirectly reflects the weather and climatic processes due to variations in the wet component. Scientific novelty and practical significance consist in identifying the features of the annual change in the components of tropospheric delay at stations in different climatic and weather conditions. The performed research can be used in the tasks of monitoring of large hydraulic structures by GNSS methods to create regional models of the atmosphere and further studies of tropospheric delay, as they relate to its changes in space and time.
APA, Harvard, Vancouver, ISO, and other styles
3

Mauelshagen, L. "LOW ALTITUDE AERIAL PHOTOGRAPHY." Photogrammetric Record 12, no. 68 (August 26, 2006): 239–41. http://dx.doi.org/10.1111/j.1477-9730.1986.tb00561.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Rieke-Zapp, Dirk. "Small-Format Aerial Photography." Photogrammetric Record 26, no. 134 (June 2011): 277. http://dx.doi.org/10.1111/j.1477-9730.2011.00637_2.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Massasati, Ahmad S. "Georeferencing Aerial Photography: Beginners Approach." Journal of Surveying Engineering 128, no. 4 (November 2002): 159–67. http://dx.doi.org/10.1061/(asce)0733-9453(2002)128:4(159).

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Sims, W. G., and M. L. Benson. "Mapping from Colour Aerial Photography." Photogrammetric Record 6, no. 33 (August 26, 2006): 321–24. http://dx.doi.org/10.1111/j.1477-9730.1969.tb00945.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Woodrow, H. C. "Mapping from Colour Aerial Photography." Photogrammetric Record 6, no. 34 (August 26, 2006): 408. http://dx.doi.org/10.1111/j.1477-9730.1969.tb00959.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Wallington, E. D. "Aerial photography and image interpretation." Photogrammetric Record 19, no. 108 (December 2004): 420–22. http://dx.doi.org/10.1111/j.0031-868x.2004.295_6.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Robertson, V. C. "AERIAL PHOTOGRAPHY AND PROPER LAND UTILISATION." Photogrammetric Record 1, no. 6 (August 26, 2006): 5–12. http://dx.doi.org/10.1111/j.1477-9730.1955.tb01034.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Welch, R., and J. Halliday. "IMAGE QUALITY CONTROLS FOR AERIAL PHOTOGRAPHY†." Photogrammetric Record 8, no. 45 (August 26, 2006): 317–25. http://dx.doi.org/10.1111/j.1477-9730.1975.tb00059.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
11

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.

Full text
Abstract:
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.
APA, Harvard, Vancouver, ISO, and other styles
12

Schloesser, Donald W., Charles L. Brown, and Bruce A. Manny. "Use of Aerial Photography to Inventory Aquatic Vegetation." Journal of Aerospace Engineering 1, no. 3 (July 1988): 142–50. http://dx.doi.org/10.1061/(asce)0893-1321(1988)1:3(142).

Full text
APA, Harvard, Vancouver, ISO, and other styles
13

Wester-Ebbinghaus, W. "AERIAL PHOTOGRAPHY BY RADIO CONTROLLED MODEL HELICOPTER." Photogrammetric Record 10, no. 55 (August 26, 2006): 85–92. http://dx.doi.org/10.1111/j.1477-9730.1980.tb00006.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
14

Hiby, A. R., D. Thompson, and A. J. Ward. "CENSUS OF GREY SEALS BY AERIAL PHOTOGRAPHY." Photogrammetric Record 12, no. 71 (August 26, 2006): 589–94. http://dx.doi.org/10.1111/j.1477-9730.1988.tb00607.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
15

Ekin, Bill. "The Use of GPS for Low-Cost Aerial Block Photography." Journal of Navigation 48, no. 2 (May 1995): 239–48. http://dx.doi.org/10.1017/s0373463300012704.

Full text
Abstract:
Flight trials using an inexpensive Garmin GPS receiver, Century 1 autopilot and a Cessna F172H aircraft to acquire block aerial photography are described. The performance of the whole system in the maintenance of constant sidelap and forward lap in block aerial vertical photography was good. However, the system was not good enough to manoeuvre the aircraft accurately on curved flight paths.
APA, Harvard, Vancouver, ISO, and other styles
16

Ahring, T. S., and D. R. Steward. "Groundwater surface water interactions and the role of phreatophytes in identifying recharge zones." Hydrology and Earth System Sciences 16, no. 11 (November 9, 2012): 4133–42. http://dx.doi.org/10.5194/hess-16-4133-2012.

Full text
Abstract:
Abstract. Groundwater and surface water interactions within riparian corridors impact the distribution of phreatophytes that tap into groundwater stores. The changes in canopy area of phreatophytes over time is related to changes in depth to groundwater, distance from a stream or river, and hydrologic soil group. Remote sensing was used to determine the location of trees with pre-development and post-development aerial photography over the Ogallala Aquifer in the central plains of the United States. It was found that once the depth to groundwater becomes greater than about 3 m, tree populations decrease as depth to water increases. This subsequently limited the extent of phreatophytes to within 700 m of the river. It was also found that phreatophytes have a higher likelihood of growing on hydrologic soil groups with higher saturated hydraulic conductivity. Phreatophytes exist along portions of the Arkansas River corridor where significant decreases in groundwater occurred as long as alluvium exists to create perched conditions where trees survive dry periods. Significant decreases (more that 50%) in canopy cover exists along river segments where groundwater declined by more than 10 m, indicating areas with good hydraulic connectivity between surface water and groundwater. Thus, interpretation of changes in phreatophyte distribution using historical and recent aerial photography is important in delineating zones of enhanced recharge where aquifers might be effectively recharged through diversion of surface water runoff.
APA, Harvard, Vancouver, ISO, and other styles
17

Pisetskaya, Olga, Yanina Isayeva, and Maksim Goutsaki. "Application of Unmanned Flying Vehicle for Obtaining Digital Orthofotomaps." Baltic Surveying 11 (November 20, 2019): 60–69. http://dx.doi.org/10.22616/j.balticsurveying.2019.018.

Full text
Abstract:
Nowadays, surveys using unmanned aerial vehicles is becoming popular. The resulting orthophotomap is the final product for creating digital plans and cardboard. The objectives of the study are to study the possibilities of obtaining orthophotomaps from survey materials using unmanned aerial vehicles based on the results of the experiment. The article describes various types of aerial photography. Some types of unmanned flying vehicles to conduct aerial photography for the purpose of monitoring, engineering surveys, inventory of agricultural land, and crop forecasts are considered. A description of aerial photography surveying is given on the example of the city of Dzerzhinsk, Minsk Region, which is performed taking into account the unmanned flying vehicles of GeoScan 201 and the Republican agricultural aero-geodesic unitary enterprise BelPSHAGI. A description of the GeoScan Planner software and basic pre-flight preparation is given. The stages of the preparatory work before the aerial photography, the creation of the planning and high-altitude geodetic justification, the implementation of aerial photography procedures, the steps of the aerial photograph anchorage procedure are considered. Agisoft Photoscan, which allows to get clouds of points, surfaces, 3D models and orthophotomaps using digital raster images are presented. The map of heights (DEM) of the terrain and the orthophotomap was made on the basis of a dense points cloud. According to the results of the research, a conclusion was made on the possibility of using aerial photography materials obtained using unmanned flying vehicles to get orthophotomaps of the required accuracy.
APA, Harvard, Vancouver, ISO, and other styles
18

Walstra, J., J. H. Chandler, N. Dixon, and T. A. Dijkstra. "Aerial photography and digital photogrammetry for landslide monitoring." Geological Society, London, Special Publications 283, no. 1 (2007): 53–63. http://dx.doi.org/10.1144/sp283.5.

Full text
APA, Harvard, Vancouver, ISO, and other styles
19

Amos, E. M., D. Blakeway, and C. D. Warren. "Remote Sensing Techniques in Civil Engineering Surveys." Geological Society, London, Engineering Geology Special Publications 2, no. 1 (1986): 119–24. http://dx.doi.org/10.1144/gsl.1986.002.01.26.

Full text
Abstract:
AbstractThis paper outlines selected remote sensing techniques and their application to civil engineering surveys.In BS 5930, emphasis has been placed on the interpretation of black and white aerial photography to provide information. However, other techniques such as true colour and false colour infrared photography, thermal infrared, radar and landsat satellite imagery may be useful in appropriate applications.
APA, Harvard, Vancouver, ISO, and other styles
20

Chen, Shen-En, Corey Rice, Chuck Boyle, and Edd Hauser. "Small-Format Aerial Photography for Highway-Bridge Monitoring." Journal of Performance of Constructed Facilities 25, no. 2 (April 2011): 105–12. http://dx.doi.org/10.1061/(asce)cf.1943-5509.0000145.

Full text
APA, Harvard, Vancouver, ISO, and other styles
21

Bawden, M. P. "APPLICATIONS OF AERIAL PHOTOGRAPHY IN LAND SYSTEM MAPPING." Photogrammetric Record 5, no. 30 (August 26, 2006): 461–64. http://dx.doi.org/10.1111/j.1477-9730.1967.tb00897.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
22

Graham, R. W., and G. H. Tthomson. "CONSIDERATIONS OF SPECIFICATIONS FOR SMALL FORMAT AERIAL PHOTOGRAPHY." Photogrammetric Record 13, no. 74 (August 26, 2006): 225. http://dx.doi.org/10.1111/j.1477-9730.1989.tb00672.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
23

Marks, A. R. "AERIAL PHOTOGRAPHY FROM A TETHERED HELIUM FILLED BALLOON." Photogrammetric Record 13, no. 74 (August 26, 2006): 257–61. http://dx.doi.org/10.1111/j.1477-9730.1989.tb00677.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
24

Goba, N. L., and E. M. Senese. "THE STATUS OF SUPPLEMENTARY AERIAL PHOTOGRAPHY IN ONTARIO." Photogrammetric Record 14, no. 80 (August 26, 2006): 283–91. http://dx.doi.org/10.1111/j.1477-9730.1992.tb00253.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
25

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.

Full text
APA, Harvard, Vancouver, ISO, and other styles
26

Take, W. A., M. J. Chappel, R. W. I. Brachman, and R. K. Rowe. "Quantifying geomembrane wrinkles using aerial photography and digital image processing." Geosynthetics International 14, no. 4 (August 2007): 219–27. http://dx.doi.org/10.1680/gein.2007.14.4.219.

Full text
APA, Harvard, Vancouver, ISO, and other styles
27

Manning, J. H. "CIVIL ENGINEERING APPLICATIONS OF WARTIME RECONNAISSANCE AERIAL PHOTOGRAPHY AND RELATED MATERIAL." Photogrammetric Record 14, no. 80 (August 26, 2006): 219–26. http://dx.doi.org/10.1111/j.1477-9730.1992.tb00247.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
28

Weltman, Austin. "Assessing ground conditions of small sites by aerial infrared photography." Quarterly Journal of Engineering Geology and Hydrogeology 20, no. 2 (May 1987): 114–15. http://dx.doi.org/10.1144/gsl.qjeg.1987.020.02.01.

Full text
APA, Harvard, Vancouver, ISO, and other styles
29

Thomson, G. H. "EVALUATING IMAGE QUALITY OF SMALL FORMAT AERIAL PHOTOGRAPHY SYSTEMS." Photogrammetric Record 12, no. 71 (August 26, 2006): 595–603. http://dx.doi.org/10.1111/j.1477-9730.1988.tb00608.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
30

Davison, M. "HEIGHTING ACCURACY TEST FROM 1:2000 SCALE AERIAL PHOTOGRAPHY." Photogrammetric Record 14, no. 84 (October 1994): 922–25. http://dx.doi.org/10.1111/j.1477-9730.1994.tb00293.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
31

Huda, Feblil, Kaspul Anuar, Syafri Syafri, and Anita Susilawati. "PEMBUATAN PETA GEOSPASIAL MELALUI PEMETAAN UDARA PADA KELURAHAN BATU BERSURAT, KECAMATAN XIII KOTO KAMPAR, KABUPATEN KAMPAR, PROVINSI RIAU." Dinamisia : Jurnal Pengabdian Kepada Masyarakat 3, no. 1 (June 25, 2019): 76–83. http://dx.doi.org/10.31849/dinamisia.v3i1.2060.

Full text
Abstract:
One of the most commonly used geospatial mapping methods is photogrammetry (aerial mapping). Photogrammetry is a method of mapping objects on the surface of the earth by using aerial photography as a medium. The aerial mapping process is carried out through cameras installed on Unmanned Aerial Vehicle (UAV). From the aerial photography, object interpretation and geometry measurements will be carried out to produce line maps, digital maps and photo maps. In general, photogrammetry is a mapping technology by utilizing aerial photography to be processed into a geo-spatial information system. Batu Bersurat Village is one of the villages located in Subdistrict XIII Koto Kampar, Kampar Regency, which did not have a geospatial information map. Community service team from the Mechanical Engineering Department of the University of Riau had a plan to carry out community service activities in Batu Besurat Village in the form of making geospatial information maps through aerial mapping. This aerial mapping activity was carried out by utilizing UAV with the type of fixed wing. In its implementation, the community service activities were planned to involve Mechanical Engineering students, university students of the University of Riau, village officials and the local community. It is expected that with this community service program, the geospatial information system map made by Batu Bersurat Village can be used in village spatial planning for agricultural land, residential land and validation of village boundaries.
APA, Harvard, Vancouver, ISO, and other styles
32

Liu, Hong, Mu Lin, and Luyan Deng. "UAV route planning for aerial photography under interval uncertainties." Optik 127, no. 20 (October 2016): 9695–700. http://dx.doi.org/10.1016/j.ijleo.2016.06.117.

Full text
APA, Harvard, Vancouver, ISO, and other styles
33

Zhang, Ke, Xiao Zheng Huang, Jian Ping Chen, and Jin Fang Wang. "GTWZ-6012 Type Aerial Work Platform Hydraulic Legs of Stress Analysis and Calculation." Advanced Materials Research 308-310 (August 2011): 2527–30. http://dx.doi.org/10.4028/www.scientific.net/amr.308-310.2527.

Full text
Abstract:
The 6012 type aerial work platform is mainly used in the construction of steel structure occasions, and the overall and local stability of the studies to ensure construction safety and reduce accidents are of great significance. In this paper, I apply finite element analysis software ANSYS to model the hydraulic legs, and conduct static structural analysis of the hydraulic legs for 6012 type aerial work platform. At last, I will calculate the maximum deformation of single hydraulic legs and maximum stress of the situation in the maximum stress conditions, compared with the theoretical values and the actual test results.
APA, Harvard, Vancouver, ISO, and other styles
34

Taylor, Jessica K. D., Robert D. Kenney, Donald J. LeRoi, and Scott D. Kraus. "Automated Vertical Photography for Detecting Pelagic Species in Multitaxon Aerial Surveys." Marine Technology Society Journal 48, no. 1 (January 1, 2014): 36–48. http://dx.doi.org/10.4031/mtsj.48.1.9.

Full text
Abstract:
AbstractMarine aerial surveys are designed to maximize the potential for detecting target species. Collecting data on different taxa from the same platform is economically advantageous but normally comes at the cost of compromising optimal taxon-specific scanning patterns and survey parameters, in particular altitude. Here, we describe simultaneous visual and photographic sampling methods as a proof of concept for detecting large whales and turtles from a single aircraft, despite very different sighting cues. Data were collected for fishing gear, fish, sharks, turtles, seals, dolphins, and whales using two observers and automated vertical photography. The photographic method documented an area directly beneath the aircraft that would otherwise have been obscured from observers. Preliminary density estimates were calculated for five species for which there were sufficient sample sizes from both methods after an initial year of data collection. The photographic method yielded significantly higher mean density estimates for loggerhead turtles, ocean sunfish, and blue sharks (p < 0.01), despite sampling a substantially smaller area than visual scanning (less than 11%). Density estimates from these two methods were not significantly different for leatherback turtles or basking sharks (p > 0.05), two of the largest species included in the analysis, which are relatively easy to detect by both methods. Although postflight manual processing of photographic data was extensive, this sampling method comes at no additional in-flight effort and obtains high-quality digital documentation of sightings on the trackline. Future directions for this project include automating photographic sighting detections, expanding the area covered by photography, and performing morphometric measurement assessments.
APA, Harvard, Vancouver, ISO, and other styles
35

Hollaus, M., W. Wagner, and K. Kraus. "Airborne laser scanning and usefulness for hydrological models." Advances in Geosciences 5 (December 16, 2005): 57–63. http://dx.doi.org/10.5194/adgeo-5-57-2005.

Full text
Abstract:
Abstract. Digital terrain models form the basis for distributed hydrologic models as well as for two-dimensional hydraulic river flood models. The technique used for generating high accuracy digital terrain models has shifted from stereoscopic aerial-photography to airborne laser scanning during the last years. Since the disastrous floods 2002 in Austria, large airborne laser-scanning flight campaigns have been carried out for several river basins. Additionally to the topographic information, laser scanner data offer also the possibility to estimate object heights (vegetation, buildings). Detailed land cover maps can be derived in conjunction with the complementary information provided by high-resolution colour-infrared orthophotos. As already shown in several studies, the potential of airborne laser scanning to provide data for hydrologic/hydraulic applications is high. These studies were mostly constraint to small test sites. To overcome this spatial limitation, the current paper summarises the experiences to process airborne laser scanner data for large mountainous regions, thereby demonstrating the applicability of this technique in real-world hydrological applications.
APA, Harvard, Vancouver, ISO, and other styles
36

Wang, Kaipeng, Zhijun Meng, and Zhe Wu. "Deep Learning-Based Ground Target Detection and Tracking for Aerial Photography from UAVs." Applied Sciences 11, no. 18 (September 11, 2021): 8434. http://dx.doi.org/10.3390/app11188434.

Full text
Abstract:
Target detection and tracking can be widely used in military and civilian scenarios. Unmanned aerial vehicles (UAVs) have high maneuverability and strong concealment, thus they are very suitable for using as a platform for ground target detection and tracking. Most of the existing target detection and tracking algorithms are aimed at conventional targets. Because of the small scale and the incomplete details of the targets in the aerial image, it is difficult to apply the conventional algorithms to aerial photography from UAVs. This paper proposes a ground target image detection and tracking algorithm applied to UAVs using a revised deep learning technology. Aiming at the characteristics of ground targets in aerial images, target detection algorithms and target tracking algorithms are improved. The target detection algorithm is improved to detect small targets on the ground. The target tracking algorithm is designed to recover the target after the target is lost. The target detection and tracking algorithm is verified on the aerial dataset.
APA, Harvard, Vancouver, ISO, and other styles
37

Mastelic, Toni, Josip Lorincz, Ivan Ivandic, and Matea Boban. "Aerial Imagery Based on Commercial Flights as Remote Sensing Platform." Sensors 20, no. 6 (March 17, 2020): 1658. http://dx.doi.org/10.3390/s20061658.

Full text
Abstract:
Remote sensing is commonly performed via airborne platforms such as satellites, specialized aircraft, and unmanned aerial systems (UASs), which perform airborne photography using mounted cameras. However, they are limited by their coverage (UASs), irregular flyover frequency (aircraft), and/or low spatial resolution (satellites) due to their high altitude. In this paper, we examine the utilization of commercial flights as an airborne platform for remote sensing. Namely, we simulate a situation where all aircraft on commercial flights are equipped with a mounted camera used for airborne photography. The simulation is used to estimate coverage, the temporal and spatial resolution of aerial imagery acquired this way, as well as the storage capacity required for storing all imagery data. The results show that Europe is 83.28 percent covered with an average of one aerial photography every half an hour and a ground sampling distance of 0.96 meters per pixel. Capturing such imagery results in 20 million images or four petabytes of image data per day. More detailed results are given in the paper for separate countries/territories in Europe, individual commercial airlines and alliances, as well as three different cameras.
APA, Harvard, Vancouver, ISO, and other styles
38

Pérez, Juan Antonio, Francisco Manuel Bascon, and María Cristina Charro. "Photogrammetric Usage of 1956-57 Usaf Aerial Photography of Spain." Photogrammetric Record 29, no. 145 (February 27, 2014): 108–24. http://dx.doi.org/10.1111/phor.12048.

Full text
APA, Harvard, Vancouver, ISO, and other styles
39

Spencer, R. D. "FILM TRIALS OF AERIAL PHOTOGRAPHY FOR FORESTRY IN VICTORIA, AUSTRALIA." Photogrammetric Record 9, no. 51 (August 26, 2006): 391–403. http://dx.doi.org/10.1111/j.1477-9730.1978.tb00431.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
40

Cox, R. C. A. "THE BENEFITS OF FORWARD MOTION COMPENSATION FOR AERIAL SURVEY PHOTOGRAPHY." Photogrammetric Record 14, no. 79 (August 26, 2006): 5–17. http://dx.doi.org/10.1111/j.1477-9730.1992.tb00204.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
41

Dando, R. C. A. "ROYAL PHOTOGRAPHIC SOCIETY ACTIVITIES IN AERIAL PHOTOGRAPHY AND REMOTE SENSING." Photogrammetric Record 14, no. 79 (August 26, 2006): 129–30. http://dx.doi.org/10.1111/j.1477-9730.1992.tb00212.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
42

Graham, R. W. "THE FIRST NORTH AMERICAN SYMPOSIUM ON SMALL FORMAT AERIAL PHOTOGRAPHY." Photogrammetric Record 16, no. 91 (April 1998): 125–30. http://dx.doi.org/10.1111/j.1477-9730.1998.tb01474.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
43

Giles, J. R. A. "Identification of former shallow coal mining from aerial photographs: an example from West Yorkshire." Geological Society, London, Engineering Geology Special Publications 4, no. 1 (1987): 133–36. http://dx.doi.org/10.1144/gsl.eng.1987.004.01.15.

Full text
Abstract:
AbstractSystematic, large-scale, aerial photography is now available for many areas of the exposed coalfields. In West Yorkshire 1:10000 or 1:10 560 scale cover is generally available, supplemented by 1:5000 and 1:3000 cover in more limited areas. Examination of aerial photographs, in conjunction with detailed geological mapping, has identified characteristic ground patterns associated with the existence of former shallow workings. These patterns are interpreted in terms of changes of style of mining with increasing depth.The presence of shallow mine workings is a major constraint on planning in areas of exposed coalfield. The examination of large scale aerial photographs offers a rapid reconnaissance method of identifying such workings.
APA, Harvard, Vancouver, ISO, and other styles
44

Ahring, T. S., and D. R. Steward. "Groundwater surface water interactions through streambeds and the role of phreatophytes in identifying important recharge zones." Hydrology and Earth System Sciences Discussions 9, no. 6 (June 14, 2012): 7613–38. http://dx.doi.org/10.5194/hessd-9-7613-2012.

Full text
Abstract:
Abstract. Groundwater and surface water interactions within riparian corridors impact the distribution of phreatophytes that tap into groundwater stores. The changes in canopy area of phreatophytes over time is related to changes in depth to groundwater, distance from a stream or river, and hydrologic soil group. Remote sensing was used to determine the location of trees with predevelopment and post-development aerial photography over the Ogallala Aquifer in the central plains of the United States. It was found that once the depth to groundwater becomes greater than about 3 m, tree populations decrease as depth to water increases. This subsequently limited the extent of phreatophytes to within 700 m of the river. It was also found that phreatophytes have a higher likelihood of growing on hydrologic soil groups with higher saturated hydraulic conductivity. Phreatophytes exist along portions of the Arkansas River corridor where significant decreases in groundwater occurred as long as alluvium exists to create perched conditions where trees survive dry periods. Significant decreases (more that 50%) in canopy cover exists along river segments where groundwater declined by more than 10 m, indicating areas with good hydraulic connectivity between surface water and groundwater. Thus, interpretation of changes in phreatophyte distribution using historical and recent aerial photophaphy is important in delineating zones of enhanced recharge where aquifers might be effectively recharged through diversion of surface water runoff.
APA, Harvard, Vancouver, ISO, and other styles
45

Fookes, P. G., S. G. Dale, and J. M. Land. "Some observations on a comparative aerial photography interpretation of a landslipped area." Quarterly Journal of Engineering Geology and Hydrogeology 24, no. 3 (August 1991): 249–65. http://dx.doi.org/10.1144/gsl.qjeg.1991.024.03.01.

Full text
APA, Harvard, Vancouver, ISO, and other styles
46

Tarling, L. W. "SOME OBSERVATIONS AND RECOMMENDATIONS FOR THE FUTURE OF AERIAL COLOUR PHOTOGRAPHY." Photogrammetric Record 6, no. 35 (August 26, 2006): 480–83. http://dx.doi.org/10.1111/j.1477-9730.1970.tb00970.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
47

Cox, R. C. A. "A LIBRARY OF PHOTOGRAMMETRICALLY SUITABLE AERIAL PHOTOGRAPHY IN THE COMMERCIAL SECTOR." Photogrammetric Record 13, no. 73 (August 26, 2006): 127–31. http://dx.doi.org/10.1111/j.1477-9730.1989.tb00653.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
48

Zhao, Haitao, Bing Zhang, Jiali Shang, Jiangui Liu, Dong Li, Yanyan Chen, Zhengli Zuo, and Zhengchao Chen. "Aerial photography flight quality assessment with GPS/INS and DEM data." ISPRS Journal of Photogrammetry and Remote Sensing 135 (January 2018): 60–73. http://dx.doi.org/10.1016/j.isprsjprs.2017.10.015.

Full text
APA, Harvard, Vancouver, ISO, and other styles
49

Rybchenko, A. A., A. V. Kadetova, E. A. Kozyreva, and A. A. Yuriev. "Experience of using non‐specialized unmanned aerial vehicles for aerial surveys in the studies of exogenous geological processes." Geodynamics & Tectonophysics 10, no. 4 (December 11, 2019): 1045–58. http://dx.doi.org/10.5800/gt-2019-10-4-0457.

Full text
Abstract:
The article reviews the experience of aerial surveys using a quadcopter DJI Inspire 1 PRO (unmanned aerial vehicle, UAV) for solving problems of engineering geodynamics. It describes the application of photogrammetry to estimate quantitative parameters of the studied objects, the experience of using UAVs to study flood processes in the Tunka valley (Russia) and erosion structures in the Ulaanbaatar agglomeration (Mongolia). The first UAV‐acquired data on debris flow alluvial fans and elementary drainage basins of erosion structures are presented. The ranges of UAV flight heights were 100–150 m and 1–30 m for local and detailed aerial photography surveys, respectively. Local surveys covered relatively large objects – debris flow alluvial fans and drainage basins. Detailed aerial photography aimed to investigate the granulometric compositions of debris flow deposits and to construct transverse profiles of erosion structures. Processed aerial photos provided a basis for a schematic map showing the distribution of accumu‐ lated debris flow deposits. The granulometric compositions of coarse fractions in the debris flow deposits were de‐ termined. Based on the survey results, 3D models of the fragments of the erosion structures and their cross‐sections were constructed.
APA, Harvard, Vancouver, ISO, and other styles
50

Wu, Chunxue, Bobo Ju, Yan Wu, and Naixue Xiong. "SlimRGBD: A Geographic Information Photography Noise Reduction System for Aerial Remote Sensing." IEEE Access 8 (2020): 15144–58. http://dx.doi.org/10.1109/access.2020.2966497.

Full text
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography