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Articles 10921 - 10950 of 12097
Full-Text Articles in Entire DC Network
Strategies For Information -- Directed Wetlands, Norman E. G. Roller
Strategies For Information -- Directed Wetlands, Norman E. G. Roller
LARS Symposia
Protection and effective management of wetlands requires information describing their type, distribution, and condition. Inventories are carried out to obtain such information. The efficiency of inventories that produce statistical information can be improved by the use of remote sensing because the synoptic observation capabilities of remote sensors, particularly Landsat, make it possible to nearly eliminate sampling error. The information furnished by inventories designed to produce maps can be extended through the use of digital data manipulation techniques to include (1) quantitative measures of the spatial arrangement of a resource and (2) detection of changes in a resource over time.
Statistical Tests And Interactive Displays Of Landsat Classification Accuracies, R. Welch, Y. Hsu
Statistical Tests And Interactive Displays Of Landsat Classification Accuracies, R. Welch, Y. Hsu
LARS Symposia
In a teaching and research environment where Landsat digital data are employed on a day-to-day basis, it is often necessary to assess thematic classification accuracies in a rapid and efficient manner. While such assessments can be made by manually counting the correctly and incorrectly classified pixels in each of several test sites, this procedure is often too slow and tedious to be of effective use. Consequently, a set of interactive computer programs have been developed for use with a graphics terminal (e.g. Tektronix 4014) which determine the classification accuracies of pixels in pre-selected test sites. Results are displayed in both …
Water Quality Models With Different Functions Of Exotech Radiometer Bands, K. R. Rao, R. Krishnan, A. K. Chakraborty, B. L. Deekshatulu
Water Quality Models With Different Functions Of Exotech Radiometer Bands, K. R. Rao, R. Krishnan, A. K. Chakraborty, B. L. Deekshatulu
LARS Symposia
Surveillance of water quality by remote sensing technique can be pursued with advantage. An attempt has been made in this paper to obtain regional models of water quality of inland tanks and lakes. Stepwise multiple linear regression analysis between water quality parameters and several functions of Exotech radiometer band reflectance values, namely, bands alone, bands and their ratios, and, bands and their products are evaluated with respect to performance of the regression parameters. It is seen, that, the pairwise product of the reflectance in different bands is better correlated than the bands and their ratios. A possible explanation for this …
Computer-Based Classification Accuracy Due To The Spatial Resolution Using Per-Point Versus Per-Field Classification Techniques, Richard S. Latty, Roger M. Hoffer
Computer-Based Classification Accuracy Due To The Spatial Resolution Using Per-Point Versus Per-Field Classification Techniques, Richard S. Latty, Roger M. Hoffer
LARS Symposia
The 42.5 microradian angular IFOV of the Thematic Mapper will provide a linear spatial resolution of approximately 30 meters from the nominal altitude of 710 km. This study determined the classification accuracies achieved with MSS data of four different spatial resolutions using two different types of classifiers.
The data were obtained on May 2, 1979 with the NASA NS-001 Thematic Mapper Simulator (TMS) over an area in northeastern South Carolina from a height above ground of 5945 meters. Data sets simulating three different spatial resolutions were computed from the original 15 meter nominal spatial resolution data. The classification accuracies achieved …
Treatment Of Sanitary Wastes At Interstate Rest Areas, James E. Etzel
Treatment Of Sanitary Wastes At Interstate Rest Areas, James E. Etzel
JTRP Technical Reports
No abstract provided.
Prediction And Control Of Field Swell Pressures Of Compacted Medium Plastic Clay : Interim Report, Gregory Matthew Terdich
Prediction And Control Of Field Swell Pressures Of Compacted Medium Plastic Clay : Interim Report, Gregory Matthew Terdich
JTRP Technical Reports
No abstract provided.
A Tutoring Dialogue: From Workshop To Session, Cheryl Clark, Phyllis A. Sherwood
A Tutoring Dialogue: From Workshop To Session, Cheryl Clark, Phyllis A. Sherwood
The Writing Center Journal
No abstract provided.
Working With The Esl Student: Learning Patience, Making Progress, Christopher J. Thaiss, Carolyn Kurylo
Working With The Esl Student: Learning Patience, Making Progress, Christopher J. Thaiss, Carolyn Kurylo
The Writing Center Journal
No abstract provided.
Some Computational Aspects Of Queueing Network Models, Herb Schwetman
Some Computational Aspects Of Queueing Network Models, Herb Schwetman
Department of Computer Science Technical Reports
No abstract provided.
A Note On The Semantics Of Looping Programs In Propositional Dynamic Logic, Francine Berman
A Note On The Semantics Of Looping Programs In Propositional Dynamic Logic, Francine Berman
Department of Computer Science Technical Reports
No abstract provided.
Principles, Preferences And Ideals For Computer Arithmetic, Thomas E. Hull, Christian H. Reinsch, John R. Rice
Principles, Preferences And Ideals For Computer Arithmetic, Thomas E. Hull, Christian H. Reinsch, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
Principles Of Program Design Induced From Experience With Small, Public Programs, Douglas E. Comer
Principles Of Program Design Induced From Experience With Small, Public Programs, Douglas E. Comer
Department of Computer Science Technical Reports
No abstract provided.
A Critique Of The Foundations Of Hoare-Style Programming Logics, Michael O'Donnell
A Critique Of The Foundations Of Hoare-Style Programming Logics, Michael O'Donnell
Department of Computer Science Technical Reports
No abstract provided.
Pothole Patching, Joseph J. Sudol
Concrete Overlays For Concrete And Asphalt Pavements, Edwin C. Lokken
Concrete Overlays For Concrete And Asphalt Pavements, Edwin C. Lokken
Purdue Road School
No abstract provided.
Truck Size And Weight Issues, Benjamin Colucci-Rios, Eldon J. Yoder
Truck Size And Weight Issues, Benjamin Colucci-Rios, Eldon J. Yoder
Purdue Road School
No abstract provided.
Programming With Recursion, Dirk Siefkes
Programming With Recursion, Dirk Siefkes
Department of Computer Science Technical Reports
No abstract provided.
Low Contention Semaphores And Ready Lists, Peter J. Denning, T. Don Dennis, Jeffrey Brumfield
Low Contention Semaphores And Ready Lists, Peter J. Denning, T. Don Dennis, Jeffrey Brumfield
Department of Computer Science Technical Reports
No abstract provided.
Using The Purdue Procsy Terminal System (Fortran), Bob Brown
Using The Purdue Procsy Terminal System (Fortran), Bob Brown
Department of Computer Science Technical Reports
No abstract provided.
Using The Purdue Procsy Terminal System (Pascal), Bob Brown
Using The Purdue Procsy Terminal System (Pascal), Bob Brown
Department of Computer Science Technical Reports
No abstract provided.
Parallel Processing Implementations Of A Contextual Classifier For Multispectral Remote Sensing Data, Howard J. Siegel, Philip H. Swain, Bradley W. Smith
Parallel Processing Implementations Of A Contextual Classifier For Multispectral Remote Sensing Data, Howard J. Siegel, Philip H. Swain, Bradley W. Smith
LARS Technical Reports
Contextual classifiers are being developed as a method to exploit the spatial/spectral context of a pixel to achieve accurate classification. Classification algorithms such as the contextual classifier typically require large amounts of computation time. One way to reduce the execution time of these tasks is through the use of parallelism. The applicability of the CDC Flexible Processor system and of a proposed multimicroprocessor system (PASM) for implementing contextual classifiers is examined.
A Cost Effectiveness Approach For The Evaluation Of Highway Safety Improvements In The State Of Indiana, Taro Kaji
JTRP Technical Reports
No abstract provided.
Analysis Of Hardened Concrete For Admixture Content, William Lee Dolch
Analysis Of Hardened Concrete For Admixture Content, William Lee Dolch
JTRP Technical Reports
No abstract provided.
Use Of Synthetic Demand Modeling Techniques In Transportation Planning For Small Urban Areas In Indiana, Kumares C. Sinha, Hani S. Mahmassani, James Robert Mekemson, Edward Wilson Hanscom
Use Of Synthetic Demand Modeling Techniques In Transportation Planning For Small Urban Areas In Indiana, Kumares C. Sinha, Hani S. Mahmassani, James Robert Mekemson, Edward Wilson Hanscom
JTRP Technical Reports
No abstract provided.
The Prediction Of The Freeze/Thaw Durability Of Coarse Aggregates In Concrete By Mercury Intrusion Porosimetry : Interim Report, Meredith Nickels Lindgren
The Prediction Of The Freeze/Thaw Durability Of Coarse Aggregates In Concrete By Mercury Intrusion Porosimetry : Interim Report, Meredith Nickels Lindgren
JTRP Technical Reports
No abstract provided.
Evaluation Of Several Maintenance Methods For Continuously Reinforced Concrete Pavements, Eldon J. Yoder
Evaluation Of Several Maintenance Methods For Continuously Reinforced Concrete Pavements, Eldon J. Yoder
JTRP Technical Reports
No abstract provided.
An Investigation Of Recycling Bituminous Pavements, Volume 1 : Interim Report, James L. Mckinney
An Investigation Of Recycling Bituminous Pavements, Volume 1 : Interim Report, James L. Mckinney
JTRP Technical Reports
No abstract provided.
Transient Stress Produced In Internal Suspension Springs Of Hermetic Refrigeration Compressor During Start And Stop Operations, A. Futakawa, N. Muramatsu, K. Tsuchiya
Transient Stress Produced In Internal Suspension Springs Of Hermetic Refrigeration Compressor During Start And Stop Operations, A. Futakawa, N. Muramatsu, K. Tsuchiya
International Compressor Engineering Conference
No abstract provided.
Application Of Multispectral Reflectance Studies Of Soils: Pre-Landsat, S. J. Kristof, M. R. Baumgardner, R. A. Weismiller, S. M. Davis
Application Of Multispectral Reflectance Studies Of Soils: Pre-Landsat, S. J. Kristof, M. R. Baumgardner, R. A. Weismiller, S. M. Davis
LARS Technical Reports
It was recognized in the 1960's that measuring the spectral, spatial and temporal variation of electromagnetic fields reflected and emitted from the Earth's surface had many potential applications in the field of agriculture. As a result, computer-implemented pattern recognition techniques were used to analyze multispectral data for the purpose of delineating soil differences. Spectral data were obtained (1) in the laboratory by scanning soil samples with a double-beam spectrophotometer (Beckman DK-2A) and (2) in the field by scanning large areas of soils with an airborne multispectral scanner.
The results obtained through this early research clearly illustrated relationships between the reflected …
Testing Network-Of-Queues Software, Herb Schwetman
Testing Network-Of-Queues Software, Herb Schwetman
Department of Computer Science Technical Reports
No abstract provided.