Digital Commons Network^™

Some Problems And Proposals For Communication In Mechanical Engineering, V. Jarc

Proceedings of the IATUL Conferences

HAEFFNERS MODEL, RESEARCH POLICY, INFORMATION FLOW, COMMUNICATIONS ABILITY, COMMUNICATION MEDIA MIX, INFORMATION MINDEDNESS DATABASES, INSPEC, ISMEC, MECHEN, DOMA, COMPENDEX, SAIDC-ST

Haeffners model of information flow and communication between research policy and implementation activities was transferred on integrated information flow between research, education, consuiting and informatics on one side, and the end-user on the other side.

For information flow neither the availability of documents, computers and communications, nor the information mindedness are sufficient, but the human activity is dominant.

Databases are in different fields of application differently aggregated and representative (Comparison between CHEMABS, INSPEC, ISMEC, COMPENDEX).

The information field in mechanical …

Technical Means For Human Communication, P-G. Fontolliet

Proceedings of the IATUL Conferences

Based on simplified models used by engineers for the design of telecommunication systems, an approach of the complex process of human communication is given. Some general concepts like information, analog/digital, noise, real time, network and information quality are introduced and commented.

Pmva - Purdue Mean Value Analysis Program User's Guide, Jeff Brumfield

Department of Computer Science Technical Reports

No abstract provided.

Treatment Of Sanitary Wastes At Interstate Rest Areas, James E. Etzel

Purdue Road School

No abstract provided.

Highway Bridge Vibration Studies, John T. Gaunt, C. Douglas Sutton

Purdue Road School

No abstract provided.

Use Of Shale In Highway Embankments, C. W. Lovell

Purdue Road School

No abstract provided.

Recycling Bituminous Pavements, Donn E. Hancher

Purdue Road School

No abstract provided.

A General Theory Of Automatic Program Synthesis, Carl H. Smith

Department of Computer Science Technical Reports

No abstract provided.

A Model For Representing Families Of Programmed System, Walter F. Richy

Department of Computer Science Technical Reports

No abstract provided.

Stabilization Of Three Typical Indiana Aggregates Using Foam Asphalt : Interim Report, Franco Luis Castedo, Robert Lawrence Shofstall

JTRP Technical Reports

No abstract provided.

A Technique To Determine Which Crop Development Stages Can Be Estimated From Spectral Data, V. J. Pollara, V. C. Vanderbilt, C. S. T. Daughtry

LARS Symposia

Estimates of crop development stage by remote sensing techniques are potentially more cost effective for large areas than present labor intensive estimates. Here, discriminant analysis for identifying crop development stage using multispectral data is discussed. The data analyzed were Exotech 100 measurements in four wavelength bands (.5-.6, .6-.7, .7-.8, .8-1.1 um) over field plots of soybeans and corn in West Lafayette, Indiana. Different row spacings, soils, plant populations, planting dates, soybean cultivars and crop years (1978, 1979, 1980) increased the generality of the data set.

Results show that development stage classes at the beginning and end of the growing, season …

Processing System Techniques For The 80'S, Roger A. Holmes

LARS Symposia

Increased spatial resolution of oncoming systems such as Thematic Mapper and the French SPOT, plus experience gained in the LANDSAT MSS lead to a requirement to understand the error sources in the scene-to-data tape portion of a remote sensing system. An evaluation of this portion of the system and its effects on processing remote sensing data derived therefrom is presented. Discussion is limited to passive sensors in the reflective portion of the spectrum.

Contextual Classification On A Cdc Flexible Processor System, B. W. Smith, H. J. Siegel, P. H. Swain

LARS Symposia

Contextual classifiers are being developed to exploit spatial/spectral content of a pixel to achieve higher classification accuracy. Contextual classification requires large amounts of computation, so special hardware is of value. One parallel processing system designed for image processing is the CDC Flexible Processor Array, the basis for the discussion in this paper. A simulator for the CDC Flexible Processor Array has been developed for program testing, debugging and timing. The simulated timings are presented in this paper. For comparison, the same algorithms have been run on a PDP-11/70. These timings are analyzed and discussed for context neighborhoods of size three …

A Laboratory Investigation On The Use Of Foamed Asphalt For Recycled Pavements : Interim Report, Michael Brennan

JTRP Technical Reports

No abstract provided.

Pore Size Distribution Of Sandy Soils And The Prediction Of Permeability : Interim Report, Charng-Hsein Juang

JTRP Technical Reports

No abstract provided.

Compressibility Of Field Compacted Clay : Interim Report, Ping-Sien Lin, C. W. Lovell

JTRP Technical Reports

No abstract provided.

Predicting Performance Of Buried Conduits, G. A. Leonards, Tzong-Hsin Wu, Charng-Hsein Juang

JTRP Technical Reports

No abstract provided.

Improved Methods For State-Wide Vehicle Counting, Shwu-Mei Hong Chen

JTRP Technical Reports

No abstract provided.

Framework For A Pavement Evaluation System : Interim Report, El-Sayad Wafa Metwali

JTRP Technical Reports

No abstract provided.

An Investigation Of The Final Construction Record Procedure For The Indiana State Highway Commission, Anne Marie Bigane

JTRP Technical Reports

No abstract provided.

Development Of A Laboratory Technique To Quantify Concrete Curing, Ephraim Senbetta

JTRP Technical Reports

No abstract provided.

Three-Dimensional Slope Stability Analysis, Rong-Her Jimmy Chen

JTRP Technical Reports

No abstract provided.

Development Of A System For The Evaluation Of Pavements In Indiana : Summary Report, Eldon J. Yoder

JTRP Technical Reports

No abstract provided.

Procedure 1 And Forestland Classification Using Landsat Data, Ross F. Nelson, Roger M. Hoffer

LARS Technical Reports

Procedure 1 approaches to developing land cover classifications were compared with the Multicluster Blocks process on a 15,000 hectare forested area in southwestern Colorado. Results showed that P-1 (using the clustering processor in an unseeded, iterative mode) performed as well as the Multicluster Blocks approach on the rugged study area. The average accuracies of classification for the best P-1 method and the McB approach were 77.8 and 75.3 percent respectively; overall accuracies were 88.3 and 87.4 percent respectively.

These results may interest the forestry community or any resource discipline which has available to it ground-checked or photointerpreted point (or plot) …

Crop Area Estimation Using Ground Gathered And Sampled Landsat Data, James W. Mergerson

LARS Symposia

This paper describes a comparative study in which a procedure using ground gathered data and classified LANDSAT data for estimating crop area was compared to procedures using ground gathered data and sampled LANDSAT data. Data from parts of Iowa and Missouri were used. Unitemporal data were used in Iowa and multitemporal data were used in Missouri. Results indicate that some sampling schemes can be used without any significant difference in the crop area estimates, but with a large reduction in cost for corn, soybeans, and winter wheat.

Crop Monitoring In Australia Using Digital Analysis Of Landsat Data, Ken W. Dawbin, David W. Beach

LARS Symposia

This paper describes on-going co-operative research by the New South Wales (N.S.W.) Department of Agriculture and IBM Australia Limited. The aims of the project are to investigate if Landsat digital data can be used to map and monitor agricultural resources, particularly crop acreages and production, over large areas.

From the outset, multi-temporal whole scene computation has been a feature of the technical approach. Software modifications for large data volumes were carried out allowing supervised maximum likelihood classification to be used throughout the work. Considerable amounts of agronomic ground truth have been collected over wide latitudes for use in training the …

The Role Of Digital Terrain Models In The Remote Sensing Of Forests, B. Guindon, D. G. Goodenough, P. M. Teillet

LARS Symposia

Approximately one half of Canada's marketable forests are located in mountainous areas. If this vital resource is to be monitored using high resolution satellite and airborne sensors, topographic information must be incorporated into image analysis procedures.

For the past two years, research has been on-going at the Canada Centre for Remote Sensing into the integration of digital terrain models with imagery for the purposes of estimating timber volume and energy. This paper describes the principal components of our processing scheme with particular emphasis on the use of elevation, slope and aspect data.

Imagery is first rectified to a map grid …

Digital Correction Of Solar Illumination And Viewing Angle Artifacts In Remotely Sensed Images, Tsutomu Shibata, Werner Frei, Mark Sutton

LARS Symposia

We seek to understand and correct shading artifacts caused by varying solar illumination conditions and different viewing angles in remotely sensed images. A synthetic image simulating the shading effects for the sun angle and viewing angle as a real image, is generated using a terrain reflectance model and digital elevation data. A good correlation is obtained between the real and synthetic images. The artifact correction is then made, and a resulting image shows useful information that is not apparent in the original image.

We also present a three-dimensional perspective representation of a terrain with a corresponding aerial photograph mapped on …

The Kars Image Analysis System: A Low Cost Interactive System For Instruction And Research, Lee T. H. Williams, J. Siebert, C. Gunn

LARS Symposia

The Kansas Applied Remote Sensing (KARS) Program and Department of Geography- Meteorology have developed an interactive digital image processing program package that runs on the University of Kansas central computer. The module form and simple Fortran programming of the package has allowed easy and rapid upgrades and extensions of its capabilities. The package is comprised of sub image extraction and rectification, image display and enhancement, and both supervised and unsupervised classification routines. It has been used in both instructional and research settings at the University.

Data Compression Of Sar/Mss Data Sets, Korehiro Maeda, David G. Goodenough

LARS Symposia

Earth observation satellites from NASA, France, the European Space Agency, Japan, and Canada will provide us with higher resolutions and more channels of remotely sensed data. If effective compression methods can be developed, there are potentially large cost savings to be obtained in transmitting, processing, storing, and disseminating these data. Resource management systems will likely make use of data from a variety of satellites having sensors operating in visible, infrared, and microwave regions. Research at CCRS in combining synthetic aperture radar (SAR) and multispectral scanner (MSS) imagery has demonstrated the complementarity of these data for agricultural interpretations (Goodenough et al, …