WorldCat Identities

U.S. Army Engineer Topographic Laboratories

Overview
Works: 452 works in 577 publications in 1 language and 4,620 library holdings
Genres: Periodicals  Bibliography  Conference proceedings  Handbooks, manuals, etc  Observations  Maps 
Roles: Originator, Funder
Classifications: UG472, 551.6
Publication Timeline
Key
Publications about U.S. Army Engineer Topographic Laboratories Publications about U.S. Army Engineer Topographic Laboratories
Publications by U.S. Army Engineer Topographic Laboratories Publications by U.S. Army Engineer Topographic Laboratories
Most widely held works by U.S. Army Engineer Topographic Laboratories
Army battlefield environment ( )
in English and held by 159 WorldCat member libraries worldwide
Digital data digest ( )
in English and held by 157 WorldCat member libraries worldwide
Tech-tran ( )
in English and held by 145 WorldCat member libraries worldwide
World weather extremes by Pauline Riordan ( Book )
5 editions published in 1985 in English and held by 135 WorldCat member libraries worldwide
This report consist of worldwide map of weather extremes and a separate map for the United States and Canada, with comments on the reliability of the records shown. Included are highest and lowest temperatures, largest temperature variations, greatest and least amounts of precipitation for various durations, maximum precipitation variabilities, greatest thunderstorm frequencies, highest and lowest atmospheric pressures, highest solar radiation, largest and heaviest hailstones, greatest snowfalls, highest wind speeds, high dew point, and most frequent occurrences of fog. Where appropriate, the value for the highest and lowest annual mean is also given. As far as possible, the records are taken from official sources, and all of them are documented. Conditions of site, instrumentation, observational procedure, and other factors such as environmental and meteorological conditions pertinent to the reliability of extremes are discussed. (Author)
Army environmental sciences ( )
in English and held by 126 WorldCat member libraries worldwide
U.S. Army Corps of Engineers Surveying Conference 8-12 February 1988 by U.S. Army Corps of Engineers Surveying Conference ( Book )
1 edition published in 1988 in English and held by 107 WorldCat member libraries worldwide
Remote sensing field guide, desert ( Book )
2 editions published in 1991 in English and held by 101 WorldCat member libraries worldwide
A hybrid methodology for detecting cartographically significant features using Landsat TM imagery by Robert S Rand ( Book )
2 editions published in 1991 in English and held by 96 WorldCat member libraries worldwide
A general Change Detection (CD) methodology is investigated that involves a hybrid mix of image processing, spectral transformation, and statistical pattern recognition techniques. The Hybrid Methodology attempts to combine various forms of supporting and conflicting evidence for change into a resulting change map. The approach involves differencing registered multiband scene pairs that have undergone a spectral transformation, generating threshold masks, and applying a classifier to the masked multiband scene pairs
Multispectral image maps from Landsat thematic mapper data by Robert S Rand ( Book )
2 editions published in 1991 in English and held by 94 WorldCat member libraries worldwide
This report describes a capability to produce prototype 1:50,000 scale multispectral image maps using Landsat TM data. These image maps are in the standard UTM projection, contain imbedded 1,000 meter grid lines with labeled UTM coordinates, and can easily be used in conjunction with conventional military maps of the same scale. Annotation that gives the title of the standard DMA map of the area, the Landsat TM band combinations, as well as a bar scale and compass were also imbedded into the product. (Author)
ETL, U.S. Army Engineer Topographic Laboratories ( Book )
2 editions published in 1989 in English and held by 93 WorldCat member libraries worldwide
Air photo analysis, photo interpretation logic, and feature extraction by J. N Rinker ( )
4 editions published in 1984 in English and held by 84 WorldCat member libraries worldwide
This is a status report about some of the research efforts within the Center for Remote Sensing (CRS) that are associated with image analysis. Emphasis has been placed on the manual procedure of photo analysis, photo interpretation logic, classification schemes, and knowledge based Systems. Information derived from other sources and information presented by contributors are acknowledged in the appropriate sections, Keywords include: Photo Analysis, Photo Interpreation Logic, Feature Extraction, Air Photo Keys, Image Analysis, Remote Sensing, Vegetation Classification, and Knowledge Based SYstems
Bibliography of in-house and contract reports : supplement 15 by Annemarie Black ( Book )
3 editions published in 1988 in English and held by 84 WorldCat member libraries worldwide
This is Supplement 15 to the U.S. Army Corps of Engineers Engineer Topographic laboratories (ETL) Bibliography of In-House and Contract Reports. This supplement provides author and title indexes, abstracts, and AD numbers for the 1986 and 1987 additions to the continuing bibliography. It also contains a complete title index designed to be used in conjunction with the 15 published bibliographies and refers to them by year and number. Keywords: Scientific reports; Index terms; Terrain; Autonomous land vehicles. (KR)
Autocorrelation of control points on 11-band multispectral imagery by Robert S Rand ( Book )
2 editions published in 1987 in English and held by 81 WorldCat member libraries worldwide
The use of multispectral imagery with other types of imagery requires that the combined set be accurately registered. This study investigates correlation properties between bands of an 11--channel multispectral scanner for 37 control points in support of interband registration that can later be extended to dissimilar image registration. The results show a high degree of correlation between channels 1 through 7, but a lower and unpredictable correlation for other combinations. In addition to providing information about interband registration, the results also have implications for multispectral segmentation algorithms. Keywords: Autocorrelation measures, Image registration, Multispectral imagery, Feature extraction, Image segmentation algorithms
Terrain analysis procedural guide for surface configuration ( Book )
4 editions published between 1984 and 1987 in English and held by 80 WorldCat member libraries worldwide
PDEF, a standard file format for data interchange by Michael M McDonnell ( Book )
2 editions published in 1991 in English and held by 79 WorldCat member libraries worldwide
The Protean Data Exchange Format (PDEF) is a set of computer programs which can be used to transform data between different systems which do not understand each other's formats. The problem of data transformation is not restricted to any particular discipline, but those of us concerned with digital terrain data have felt this problem acutely as we have found that different Geographic Information Systems (GIS) cannot use each other's data. Although PDEF was written to alleviate this particular problem. its uses are more general than the specific problem for which it was originally written. PDEF was designed primarily to be easy to use since reformatting decisions must be made by people. This report will examine both the format and the uses of PDEF
Contour-to-grid interpolation with nonlinear finite elements a feasibility study by Betty A Mandel ( Book )
2 editions published in 1987 in English and held by 79 WorldCat member libraries worldwide
This report concludes the second phase of a three-phase collaborative effort between the U.S. Army Engineer Topographic Laboratories and the National Bureau of Standards. The main objective of this effort is to develop and implement a contour-to-grid algorithm, that is, an algorithm capable of converting digitized contour data into Digital Terrain Elevation Data (DTED). The approach is to create a synthetic terrain surface based on digitized contour information and then to calculate any grid from that surface. Five tasks are to be performed: 1) Edit a digitized contour data set (input); 2) Thin (reduce, sample) the input data; 3) Triangulate the selected points; 4) Generate a smooth synthetic surface; and 5) Generate the desired grid. The first phase, which was completed in December 1985, addressed the first three tasks. The second phase, to which this report refers, elaborates on the previous results and includes work in all five areas. The effort demonstrates the feasibility of performing such tasks for large data sets, such as a Digital Graphic Recorder data tape of roughly 500,000 points
Texture analysis and cartographic feature extraction by Robert S Rand ( Book )
3 editions published in 1985 in English and held by 77 WorldCat member libraries worldwide
Investigations into using various image descriptors as well as developing interactive feature extraction software on the Digital Image Analysis Laboratory(DIAL) have culminated in a revised procedure to test statistical classification methods. An interactive experiment using this procedure was performed and showed that of the image descriptors tested, the most significant was a two component vector derived from an average and a standard deviation measure of gray shades. The texture measures failed to deliver any increase in performance for the classifier. In general, this report shows that statistical classification methods are insufficient by themselves to deliver the performance needed in a semi-automated cartographic feature extraction system. Originator-supplied keywords: Ad-Hoc image descriptor; Bayes classifier; Bhattachryya distance; Clustering; Digital Image Analysis Laboratory (DIAL); Feature extraction; Interactive processing; Laws texture measure; Principal components; Raster processing; Relaxation
Fractures in rock : an annotated bibliography by Judy Ehlen ( Book )
3 editions published in 1990 in English and held by 76 WorldCat member libraries worldwide
This bibliography lists many papers concerned with fractures. Subjects addressed include: descriptive and quantitative characteristics of fractures, mechanisms of fracture initiation and propagation, methods for obtaining information on fractures in the field, and procedures for analyzing and interpreting the data in the laboratory. Papers on engineering applications are also included. Each entry is annotated and key words are given. Keywords: Bibliography, Fractures, Data analysis, Engineering, Rock mechanics, Geology, Joint propagation. (sdw)
Automated route finder for multiple tank columns by John R Benton ( Book )
2 editions published in 1987 in English and held by 76 WorldCat member libraries worldwide
The Automated Route Finder for Multiple Tank Columns computes multiple non-competing paths for columns of tanks. The network of available paths is represented by a graph-theoretic structure. Each arc of the graph has an associated cost which represents the time required to traverse the path corresponding to the arc. A best-first algorithm is used to search the graph in order to find the specified number of optimum paths. The algorithm was implemented on the Symbolics LISP Machine with a color monitor used to display the graph as it is explored. Sample outputs of route finding are included with an analysis of the results. Future enhancements for the system are outlined
Mountain glaciers of the Northern Hemisphere by American Geographical Society of New York ( Book )
1 edition published in 1975 in English and held by 75 WorldCat member libraries worldwide
 
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Alternative Names

controlled identity U.S. Army Topographic Engineering Center

Fort Belvoir (Va.). U.S. Army Engineer Topographic Laboratories
U.S. Army Engineer Topographic Laboratories
United States. Army. Corps of Engineers. Engineer Topographic Laboratories
United States. Army. Engineer Topographic Laboratories
United States. Army Topographic Command. Engineer Topographic Laboratories
US Army Engineer Topographic Laboratories
USAETL
Languages
English (65)