搜索结果: 256-270 共查到“测绘科学技术 Digital”相关记录587条 . 查询时间(0.234 秒)
AUTOMATIC EXTRACTION OF LARGE COMPLEX BUILDINGS USING LIDAR DATA AND DIGITAL MAPS
LIDAR data Digital Map Building Model Primitives Patches
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2015/8/28
As the use of building models are rapidly increased for various applications, many studies have been performed to develop a practical and nearly automatic method to extract such models from various se...
A ROBUST ALGORITHM FOR ESTIMATING DIGITAL TERRAIN MODELS FROM DIGITAL SURFACE MODELS IN DENSE URBAN AREAS
DSM DTM Elastic Grid Outliers Robust Statistics
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2015/8/28
This paper describes an algorithm in order to derive DTMs (Digital Terrain Models) from correlation DSMs (Digital Surface Models) and above-ground (buildings and vegetation) masks in dense urban areas...
DIGITAL MAPBASE
Toposheet Image database Mosaic
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2015/8/28
High-resolution satellites such has IRS-1C/1D/Resourcesat-1 and Cartosat-1 have been launched to cater the needs of various
application users. These satellites carry panchromatic sensors of 5m or 2.5...
DESIGN AND IMPLEMENTATION OF DIGITAL DATABASE AND GIS SOLUTIONS IN MARINE GEOSCIENCES – AN INTEGRATED APPROACH
Geospatial database Entity-Relationship diagram Map viewer
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2015/8/28
The marine geosciences data management practice is focussed to build up a part of knowledge-based geospatial database system that
would be of great help to assist marine geoscientists in interpreting...
Digital database creation of historical Remote Sensing Satellite data from Film Archives – A case study
IRS Georeferenced Film archives
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2015/8/28
National Remote sensing Agency (NRSA), India is the nodal agency for acquisition and dissemination of remote sensing satellite
and aerial data to user community. NRSA provide remote sensing data in d...
Performance evaluation of a 33 megapixel alpa 12 medium format camera for digital close range photogrammetry
Close-Range Photogrammetry Digital Camera Camera Calibration
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2015/8/25
The accuracy of object reconstruction was tested with two medium format cameras made by ALPA of Switzerland. Both cameras have been equipped with a 33 megapixel Leaf Aptus 75 digital camera back and a...
Fusion of terrestrial laserscanning and digital photogrammetry
Terrestrial laser scanning photogrammetry image scanner data fusion
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2015/8/25
Terrestrial laser scanners are introduced in the market in various construction forms, dispose of various measuring principles and are used in the most different areas of application. Combining the in...
3D digital photogrammetric reconstructions for scoliosis screening
Photogrammetry Medical imaging Visualization scoliosis
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2015/8/25
Scoliosis patients typically undergo numerous spinal radiographs during which they are exposed to relatively high doses of ionizing radiation. This has raised concern regarding the effects of this rep...
Integration of digital image analysis for automated measurements into a photogrammetric stereo evaluation system
Stereoscopic Documentation Architecture Matching Digital Surface Model Scanner
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2015/8/25
The purpose of the introduced project is to achieve a combination of photogrammetric measurement techniques and procedures of digital image analysis in one stereoscopic evaluation system, which can be...
Digital photogrammetry and TLS data fusion applied to cultural heritage 3D modelling
laser scanning 3D modeling image-based model data fusion
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2015/8/25
A great number of papers have been so far published about the comparison and the integration between terrestrial laser scanning and digital photogrammetry, as surveying and 3D modeling techniques. Tho...
Digital camera calibration methods: considerations and comparisons
Camera calibration Accuracy Zoom Distortion
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2015/8/24
Camera calibration has always been an essential component of photogrammetric measurement, with self-calibration nowadays being an integral and routinely applied operation within photogrammetric triang...
How to broaden the bases for digital remote sensing data analysis for everybody -From the experiences of promoting “MultiSpec ’hands on workshops-
Digital Image Analysis Education Remote Sensing
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2015/8/24
Digital Image Analysis techniques are essential for extracting useful and practical information from remotely sensed images. The
recent advancement of information technology has made it possible for...
Experiment on precision of camera calibration of non-metric digital cameras
Precision Calibration Camera Digital Non-Metric Orientation Distortion Experiment
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2015/8/24
Although many camera calibration methods for a non-metric digital camera have been proposed, there are few reports on the precision of calibration results. Therefore, we conducted a field experiment i...
A MULTIMEDIA TUTOR FOR DIGITAL IMAGE PROCESSING FOR REMOTE SENSING
Tutor Digital Image Processing Remote Sensing
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2015/8/24
The advances in remote sensing and geographic information systems technologies make it possible to
deploy them in diverse applications for planning, resources management, environmental monitoring, a...
Photogrammetry for digital hand surface capture in swimming performance study
Crawl swimming replica hand stereo-photography underwater photography
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2015/8/24
The paper describes an application of close-range photogrammetry in the study of the human hand for propulsion in competitive swimming. The study involved the capture of 3-D surface data and modelling...