Explanipedia

LANDSAT-4 image data quality analysis Open

P. E. Anuta · 1984

Classification performance from LANDSAT 4 TM and MSS data is evaluated using the SECHO computer program. The data accuracy is compared using forest, corn, soybeans, bare soil, grass, water, and urban areas as classes for investigation.

Comparison of classification schemes for MSS and TM data Open

P. E. Anuta, L. A. Bartolucci, Diego F. Lozano-García, J. Valdés, Carlos R. Valenzuela · 1984

Computer science Mathematics Geography

The launch of the Landsat-4 satellite in July 1982 provided the first full coverage from space of the .4-12 µm spectrum of the earth scene. In addition to the green, red, and near IR bands of the MSS, the TM provides a band in the blue, tw…

Estimation of Modulation Transfer Function of Landsat-4 Sensors from Measured Imagery Open

C.D. McGillem, P. E. Anuta, Kevin Yu · 1984

Physics Computer science Geography

Satellite-based multispectral imaging systems have been in operation since 1972 and the latest in the Landsat series of sensors was launched in July 1982. In order to verify that the Landsat-4 Thematic Mapper (TM) and Multispectral Scanner…

Estimation of a remote sensing system point-spread function from measured imagery Open

C.D. McGillem, P. E. Anuta, E. Malaret, Kevin Yu · 1983

Computer science Mathematics Geography

Satellite-based multispectral imaging systems have been in operation since 1972 and the latest in the Landsat series of sensors was launched in July 1982. One system parameter of interest is resolution and this paper discusses experiments …

A discussion of image sharpness Open

P. E. Anuta · 1982

Computer science Mathematics

The image sharpness problem is discussed in terms of a scene which is viewed by a sensor. The sensor has some sort of function which is a nonpoint observing function, and it's a function that gathers energy from some region around a point …

Comparison of Edge Detection Methods for Landsat Imagery Open

P. E. Anuta, C. Pomalaza, F. Davallou · 1982

Geology Computer science Geography

This poster paper describes the evaluation of four popular or new edge detection algorithms for Landsat imagery. These algorithms would, of course, be applicable to any similar type of imagery.

Synthetic aperture radar/LANDSAT MSS image registration Open

H. Maurer, J. D. Oberholtzer, P. E. Anuta · 1979

Computer science Geography Geology

Algorithms and procedures necessary to merge aircraft synthetic aperture radar (SAR) and LANDSAT multispectral scanner (MSS) imagery were determined. The design of a SAR/LANDSAT data merging system was developed. Aircraft SAR images were r…

Multispectral scanner system parameter study and analysis software system description, volume 2 Open

D. A. Landgrebe, Bijan G. Mobasseri, D. J. Wiersma, E. R. Wiswell, C.D. McGillem , et al. · 1978

Computer science Mathematics Geography

The author has identified the following significant results. The integration of the available methods provided the analyst with the unified scanner analysis package (USAP), the flexibility and versatility of which was superior to many prev…

A parametric multiclass Bayes error estimator for the multispectral scanner spatial model performance evaluation Open

Bijan G. Mobasseri, C.D. McGillem, P. E. Anuta · 1978

Mathematics Computer science Geography

The author has identified the following significant results. The probability of correct classification of various populations in data was defined as the primary performance index. The multispectral data being of multiclass nature as well, …

Foreword Open

P. E. Anuta · 1977

Computer science Engineering Political science

This special issue of this TRANSACTIONS is the second presenting selected papers from the Purdue Symposium on Machine Processing of Remotely Sensed Data. The January 1976 issue contained papers from the June 1975 Symposium. The issue was w…

Evaluation of Change Detection Techniques for Monitoring Coastal Zone Environments Open

R. A. Weismiller, S. J. Kristof, D. K. Scholz, P. E. Anuta, S. M. Momin · 1977

Computer science Environmental science Geography

The author has identified the following significant results. Four change detection techniques were designed and implemented for evaluation: (1) post classification comparison change detection, (2) delta data change detection, (3) spectral/…

Effects of Spatial Distortion on Image Registration Performance Open

M. Svedlow, C.D. McGillem, P. E. Anuta · 1977

Computer science Geography

It is frequently desired to accurately register or overlay different images of the same scene. Under conditions in which the sensor-to-scene geometry is exactly the same for both images, the registration is accomplished by simply determini…

Experimental examination of similarity measures and preprocessing methods used for image registration Open

M. Svedlow, C.D. McGillem, P. E. Anuta · 1976

Mathematics Computer science

An experimental analysis of a number of image registration techniques is described. The objective is to provide a better understanding on a comparative basis of some of the methods of registering imagery that have been proposed. In particu…

Analysis of Geophysical Remote Sensing Data Using Multivariate Pattern Recognition Techniques Open

P. E. Anuta, Hans Hauska, Donald W. Levandowski · 1976

Geology Computer science

Multivariate statistical pattern recognition techniques have been widely used in the analysis of multispectral scanner remote sensing data for crop surveys, forest mapping, land use surveys and in many other applications. These application…

Spline function approximation techniques for image geometric distortion representation Open

P. E. Anuta · 1975

Mathematics Computer science Engineering

Least squares approximation techniques were developed for use in computer aided correction of spatial image distortions for registration of multitemporal remote sensor imagery. Polynomials were first used to define image distortion over th…

Calibration of the University of Michigan Aircraft Multispectral Scanner Data Using Smoothed Calibration Coefficients Open

David F. Strahorn, P. E. Anuta · 1973

Computer science Environmental science Geography

A preprocessor (SMCAL) is described which produces a data tape which is calibrated in any desired calibration code with smoothed calibration coefficients. The C1-C0 and C2-C0 values used to gain calibrate each line of data are linearly smo…

Geometric Correction of ERTS-1 Digital Multispectral Scanner Data Open

P. E. Anuta · 1973

Computer science Geography

ERTS-1 Multispectral Scanner Data is received from the satellite by NASA, processed, and delivered to users recorded on computer compatible tape and in photographic form. The computer tape form of the data is calibrated and line length adj…

Sun Angle Effect Preprocessing with Predicted Ramp Functions Open

David F. Strahorn, P. E. Anuta · 1973

Mathematics Environmental science Computer science

Among the many factors affecting the LARS multispectral scanner data is the geometric interaction of the sensor look angle and solar illumination angle. One of these interactions is quite well known to many LARS researchers as the "sun-ang…

Calibration of Aircraft Scanner Data Using Ground Reflectance Panels Open

P. E. Anuta, William R. Simmons · 1972

Environmental science Computer science Geology

An experiment is described in which aircraft scanner data from calibrated reflectance panels in the scene was used to calibrate the scanner data for nearby targets. The method used permits reflectance calibration of scanner data for areas …

Data handling and analysis for the 1971 corn blight watch experiment. Open

P. E. Anuta, T. L. Phillips · 1972

Computer science Geography Mathematics

In the summer of 1971 the Laboratory for Applications of Remote Sensing at Purdue University conducted a pioneering experiment in the application of remote sensing technology to a large scale earth resource surveillance problem. In 1970 a …

Final Report for the LARS/Purdue - IBM Houston Scientific Center Joint Study Program Open

P. E. Anuta, Elizabeth Rodd, Robert E. Jensen, Pischon Tobias · 1972

Engineering Computer science Chemistry

This report describes work performed during the second part of the LARS/IBM HSC Joint Study program which began April 1, 1971 and terminated April 1, 1972. Work during the first part of the study ending November 30, 1971 concentrated on an…

A Cluster-Oriented Analysis of Multispectral Scanner Data Open

P. E. Anuta · 1972

Computer science Geography

The standard procedure at LARS for classification analysis of aircraft scanner data has been to training samples (fields) based on the ground truth data and to use these directly or in a form subdivided via clustering as training for the c…

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