Proceedings of Symposium on Remote Sensing and Photo Interpretation: Proceedings of Symposium on Remote Sensing and Photo Interpretation

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Multivolume work

Persistent identifier:: 842147969

Title:: Proceedings of Symposium on Remote Sensing and Photo Interpretation

Sub title:: October 7 - 11, 1974, Banff, Alberta, Canada

Year of publication:: 1974

Place of publication:: Ottawa, Ontario

Publisher of the original:: Canadian Inst. of Surveying

Identifier (digital):: 842147969

Language:: German

Other Title:: Nebentitel: Proceedings : Symposium on Remote Sensing and Photo Interpretation

Corporations:: Symposium on Remote Sensing and Photo Interpretation, 1974, Banff, Alberta; International Society for Photogrammetry, Commission Interpretation of Data; Canadian Institute of Surveying

Adapter:: Symposium on Remote Sensing and Photo Interpretation, 1974, Banff, Alberta; International Society for Photogrammetry, Commission Interpretation of Data; Canadian Institute of Surveying

Founder of work:: Symposium on Remote Sensing and Photo Interpretation, 1974, Banff, Alberta; International Society for Photogrammetry, Commission Interpretation of Data; Canadian Institute of Surveying

Other corporate:: Symposium on Remote Sensing and Photo Interpretation, 1974, Banff, Alberta; International Society for Photogrammetry, Commission Interpretation of Data; Canadian Institute of Surveying

Document type:: Multivolume work

Volume

Persistent identifier:: 842148353

Title:: Proceedings of Symposium on Remote Sensing and Photo Interpretation

Sub title:: October 7 - 11, 1974, Banff, Alberta, Canada

Scope:: VII Seiten, Seiten 469 - 878

Year of publication:: 1974

Place of publication:: Ottawa, Ontario

Publisher of the original:: Canadian Inst. of Surveying

Identifier (digital):: 842148353

Illustration:: Illustrationen, Diagramme, Karten

Signature of the source:: T 15 B 1306

Language:: German

Additional Notes:: Literaturangaben

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Corporations:: Symposium on Remote Sensing and Photo Interpretation, 1974, Banff, Alberta; International Society for Photogrammetry, Commission Interpretation of Data; Canadian Institute of Surveying

Adapter:: Symposium on Remote Sensing and Photo Interpretation, 1974, Banff, Alberta; International Society for Photogrammetry, Commission Interpretation of Data; Canadian Institute of Surveying

Founder of work:: Symposium on Remote Sensing and Photo Interpretation, 1974, Banff, Alberta; International Society for Photogrammetry, Commission Interpretation of Data; Canadian Institute of Surveying

Other corporate:: Symposium on Remote Sensing and Photo Interpretation, 1974, Banff, Alberta; International Society for Photogrammetry, Commission Interpretation of Data; Canadian Institute of Surveying

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2015

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: INTERPRETATION AND ANALYSIS CHAIRMEN. - M. A. FONTANEL - G. HILDEBRANDT

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: ADVANCES IN AUTOMATIC EXTRACTION OF INFORMATION FROM MULTISPECTRAL SCANNER DATA. Jon D. Erickson

Document type:: Multivolume work

Structure type:: Chapter

My assessment of the status of processing techniques is as follows: 1. A variety of techniques have been demonstrated to be feasible in many applications under limited conditions appropriate to showing feasibility but not generally appropriate to prototype operational conditions. a. The accuracy achieved in some applications is acceptable, in others it needs to be improved before operational use will be undertaken. b. Little or no time constraint for processing has yet been imposed. c. Too much ground observation has been used. 2. These limitations are being lessened to the point where operational- prototype information systems are feasible in some applications. 3. Further processing technique development is necessary. The long operation of the ERTS-1 multispectral scanner has allowed users to observe areas of interest repeatedly at 80 meter resolution. Because the ERTS MSS has four rather broad spectral bands, extractive processing using only spectral information frequently yields imperfect separation of classes of materials of interest. Partially to overcome the degraded performance of ERTS spectral channels relative to those available from typical aircraft scanners, users have exploited the spatial information inherent in the ERTS along with the spectral data. Further, using the repetitive coverage capability of ERTS, some users have used the temporal variation of spectral data as inputs to the pattern recognition processors. ERIM has explored both applications of information from ERTS, with promising results. In one of the approaches we have tried to spatial-spectral processing, the key step is the formation of spatial "features" or quantified attributes of the scene. Spatial features were formed from ERTS data over Michigan as shown in Table 1 (Kauth, 1974). These spatial features were formed by measuring variations in ERTS band MSS-7 signal level in a 9 x 9 array of pixels with the pixel of interest at the center. Then both spectral and spatial signatures were extracted for terrain categories in the Ann Arbor-Brighton, Michigan area. An optimum feature selection was made based on an algorithm which selects the feature which, along with the features already selected, minimizes the average pairwise probability of misclassification between pairs of signatures. The results of the optimum feature ordering are presented in Table 2. Note that 2 of the first 4 features are spatial features.

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