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  • 11
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    The Pennsylvania defoliation application pilot test (1983)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Satellite imagery for the State of Pennsylvania was digitally mosaicked to provide the seed data base for monitoring defoliation of hardwood trees by the gypsy moth. Two separate mosaics for the state were prepared, one before defoliation and one after defoliation, to determine the extent, direction, and impact of gypsy moth activity in the state. The digital mosaic technology used to construct the data base was transferred to Pennsylvania State University to permit periodic updates to the data base and to assist in planning and abatement activities. Participating agencies or institutions included Goddard Space Flight Center and the Pennsylvania State University Office for Remote Sensing of Earth Resources.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E84-10111 , NASA-CR-173481 , JPL-PUB-83-65 , NAS 1.26:173481
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 12
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    Evaluation of LANDSAT-4 TM and MSS ground geometry performance without ground control (1983)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: LANDSAT thematic mapper P-data of Washington, D.C., Harrisburg, PA, and Salton Sea, CA were analyzed to determine magnitudes and causes of error in the geometric conformity of the data to known earth-surface geometry. Several tests of data geometry were performed. Intra-band and inter-band correlation and registration were investigated, exclusive of map-based ground truth. Specifically, the magnitudes and statistical trends of pixel offsets between a single band's mirror scans (due to processing procedures) were computed, and the inter-band integrity of registration was analyzed.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E84-10022 , NASA-CR-174546 , NAS 1.26:174546
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 13
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    Proceedings of the NASA Workshop on Registration and Rectification (1982)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Issues associated with the registration and rectification of remotely sensed data. Near and long range applications research tasks and some medium range technology augmentation research areas are recommended. Image sharpness, feature extraction, inter-image mapping, error analysis, and verification methods are addressed.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-169133 , JPL-PUB-82-23 , NAS 1.26:169133
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 14
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    Evaluation of LANDSAT-4 TM and MSS ground geometry performance without ground control (1983)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Techniques and software developed to characterize the Washington, D.C. scene were improved and are being systematically applied to an Imperial Valley, CA scene. Digital elevation files are being acquired. One hundred seventy-two tiepoints were located in the Imperial Valley scene. They were digitized from USGS maps to determine their lat-long coordinates. A least squares fit is currently being performed between line-sample image data and the lat-long positions of the tiepoints. Thematic mapper scanner sweeps were determined for the Imperial Valley P-data. VICAR jobs are currently under way to analyze sample-direction offsets between sweeps in the data, as well as band to band registration offsets. Tiepoint location is about to begin in the Harrisburg, PA scene.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E83-10338 , NASA-CR-172907 , NAS 1.26:172907
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 15
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    Technology for large digital mosaics of Landsat data (1983)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Procedures and software for the digital mosaicking of Landsat data are discussed. It is noted that image processing in support of JPL's planetary program has furnished the software and procedures necessary to achieve digital image mosaicking of vidicon imagery using rigid projective geometry. The incorporation of ground-control points, by either manual or automatic ground-control point file identification, has yielded rms positional accuracies exceeding the National Map Accuracy Standards. Rotation to north vertical is effected at low computational cost. It is possible to cut input data frames in any arbitrary shape to remove cloud cover and accommodate terrain offset effects. In similar fashion, the final digital mosaic can be segmented arbitrarily to conform to user requirements. Information is presented on applications in Pennsylvania and Bolivia.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Photogrammetric Engineering and Remote Sensing (ISSN 0099-1112); 49; Sept
    Format: text
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    NASA TECHNICAL REPORTS
  • 16
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    LANDSAT-D thematic mapper simulation using aircraft multispectral scanner data (1977)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: A simulation of imagery from the upcoming LANDSAT-D thematic mapper was accomplished by using selected channels of 24-channels aircraft multispectral scanner data. The purpose was to simulate thematic mapper 30-meter resolution imagery and compare its spectral quality with the original aircraft MSS data and determine changes in thematic classification accuracy for the simulated imagery. The original resolution of approximately 7.5 meters IFOV and simulated resolution of 15, 30, and 60 meters were used to indicate the trend of spectral quality and classification accuracy. The study was based in a 6.5 square kilometer area of urban Los Angeles having a diversity of land use.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: ERIM Proc. of the 11th Intern. Symp. on Remote Sensing of Environment, Vol. 1; p 339-351
    Format: text
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    NASA TECHNICAL REPORTS
  • 17
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    Design criteria for a multiple input land use system (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: A design is presented that proposes the use of digital image processing techniques to interface existing geocoded data sets and information management systems with thematic maps and remote sensed imagery. The basic premise is that geocoded data sets can be referenced to a raster scan that is equivalent to a grid cell data set, and that images taken of thematic maps or from remote sensing platforms can be converted to a raster scan. A major advantage of the raster format is that x, y coordinates are implicitly recognized by their position in the scan, and z values can be treated as Boolean layers in a three-dimensional data space. Such a system permits the rapid incorporation of data sets, rapid comparison of data sets, and adaptation to variable scales by resampling the raster scans.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: I-20 , NASA. Lyndon B. Johnson Space Center NASA Earth Resources Surv. Symp., Vol. 1-B; p 1389-1396
    Format: text
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    NASA TECHNICAL REPORTS
  • 18
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    Information processing of earth resources data (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Current trends in the use of remotely sensed data include integration of multiple data sources of various formats and use of complex models. These trends have placed a strain on information processing systems because an enormous number of capabilities are needed to perform a single application. A solution to this problem is to create a general set of capabilities which can perform a wide variety of applications. General capabilities for the Image-Based Information System (IBIS) are outlined in this report. They are then cross-referenced for a set of applications performed at JPL.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Format: text
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    NASA TECHNICAL REPORTS
  • 19
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    California desert resource inventory using multispectral classification of digitally mosaicked Landsat frames (1979)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Procedures for adjustment of brightness values between frames and the digital mosaicking of Landsat frames to standard map projections are developed for providing a continuous data base for multispectral thematic classification. A combination of local terrain variations in the Californian deserts and a global sampling strategy based on transects provided the framework for accurate classification throughout the entire geographic region.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Machine processing of remotely sensed data; Jun 27, 1979 - Jun 29, 1979; West Lafayette, IN
    Format: text
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    NASA TECHNICAL REPORTS
  • 20
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    Tabular data base construction and analysis from thematic classified Landsat imagery of Portland, Oregon (1977)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: A systematic verification of Landsat data classifications of the Portland, Oregon metropolitan area has been undertaken on the basis of census tract data. The degree of systematic misclassification due to the Bayesian classifier used to process the Landsat data was noted for the various suburban, industrialized and central business districts of the metropolitan area. The Landsat determinations of residential land use were employed to estimate the number of automobile trips generated in the region and to model air pollution hazards.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Annual Symposium on Machine Processing of Remotely Sensed Data; Jun 21, 1977 - Jun 23, 1977; West Lafayette, IN
    Format: text
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    NASA TECHNICAL REPORTS
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