Remote Sensing and GIS Accuracy Assessment - Chapter 6 potx

... 42.3 56. 4 42.3 53.8 51.3 66 .74.1 100.0 46. 5 55 .6 60 .6 68.7 79.8 83.84.2 100.0 55.7 63 .9 72.1 78.7 85.2 88.54.3 100.0 27.2 43.0 29.8 48.2 64 .9 82.08.1 100.0 27.2 37.9 26. 2 36. 9 44.7 62 .18.2 ... 44.5 64 .1 43.8 64 .8 64 .8 79.78.5 100.0 31.3 46. 6 25.2 40.5 42.7 69 .59.1 100.0 44.8 55.2 49.0 61 .5 70.8 87.59.2 100.0 66 .3 73.9 63 .0 72.8 72.8 80.4TotalPercentage100.0 44.0 55.9 45.7 58.3 66 .8 ... surface, (4) agriculture and other grasslands,(5) forest (upland), and (6) wetland (woody or nonwoody). The overall accuracies for the Level I and II classes were 66 % and 44%, respectively. Table...

... LLC 1 56 REMOTE SENSING AND GIS ACCURACY ASSESSMENT Figure 11.2 Conditional probabilities for forest (a), shrub (b), and rangeland (c), based on Gaussian maximum likelihood (GML), and corresponding ... Francis Group, LLC 1 46 REMOTE SENSING AND GIS ACCURACY ASSESSMENT remotely sensed imagery can evaluate the appropriateness of different maps on their particularapplication and subsequently decide ... multivariate Gaussian with mean and covariance derived from raw TM bands. Let and denote the (6 ¥ 1) vector of class-conditional mean and the (6 ¥ 6) matrix of class-conditional (co)variances...

... 6 0.000. 06 0.130.190.250.310.380.440.500. 56 0 .63 0 .69 0.750.810.880.941.000.000. 06 0.130.190.250.310.380.440.500. 56 0 .63 0 .69 0.750.810.880.941.000.740.740.740.740.740.740.740.740.740.740.740.740.740.740.740.740.740.320.350.370.400.430.450.480.510.540.570.590 .62 0 .65 0 .68 0.700.730. 76 L1443_C17.fm Page 244 Saturday, June 5, 2004 10:45 AM© 2004 by Taylor & Francis Group, LLC 240 REMOTE SENSING AND GIS ACCURACY ASSESSMENT the ... 3RESOLUTION 12RESOLUTION 6 0.000. 06 0.130.190.250.310.380.440.500. 56 0 .63 0 .69 0.750.810.880.941.000.000. 06 0.130.190.250.310.380.440.500. 56 0 .63 0 .69 0.750.810.880.941.000.740.740.740.740.740.740.740.740.740.740.740.740.740.740.740.740.740.320.350.370.400.430.450.480.510.540.570.590 .62 0 .65 0 .68 0.700.730. 76 L1443_C17.fm ... Francis Group, LLC 234 REMOTE SENSING AND GIS ACCURACY ASSESSMENT considered to have the highest accuracy is used to evaluate the map of questionable accuracy. Throughout this chapter, the term...

... bias in classification accuracy assessment, Int. J. Remote Sens. ,17, 1 261 –1 266 , 19 96. Janssen, L.L.F. and F.J.M. van der Wel, Accuracy assessment of satellite derived land-cover data: a review, ... LLC 22 REMOTE SENSING AND GIS ACCURACY ASSESSMENT for accuracy assessment supposedly represent higher-quality data (i.e., less measurement error), sothese data may serve as a stand-alone basis ... data analysis for a land-use and land-cover map, Photogram, Eng, Remote Sens. , 47, 343–351, 1981.Foody, G.M., Status of land cover classification accuracy assessment, Remote Sens. Environ...

... 46 REMOTE SENSING AND GIS ACCURACY ASSESSMENT crown), whorls, branches, and shoots. The TRAC instrument was developed at the Canada Centrefor Remote Sensing (CCRS) to address canopy nonrandomness ... Group, LLC 56 REMOTE SENSING AND GIS ACCURACY ASSESSMENT Eidenshink, J.C. and R.H. Haas, Analyzing vegetation dynamics of land systems with satellite data, GeocartoInt. , 7, 53 61 , 1992.Fassnacht, ... Fairystone and Umstead sites. The 120 0- ¥ 1200-m regionapproximates a MODIS LAI pixel, with a 100-m buffer on each edge. Quadrants are randomlylocated within each 60 0- ¥ 60 0-m quarter....

... labeling accuracy assessment reference sites. L1443_C12.fm Page 167 Saturday, June 5, 2004 10:33 AM© 2004 by Taylor & Francis Group, LLC 168 REMOTE SENSING AND GIS ACCURACY ASSESSMENT ... 166 REMOTE SENSING AND GIS ACCURACY ASSESSMENT • How should the samples be chosen? The choice and distribution of samples, or sampling scheme,is ... Congalton and Biging, 1992; Gong and Chen, 1992; Lowell, 1992). L1443_C12.fm Page 163 Saturday, June 5, 2004 10:33 AM© 2004 by Taylor & Francis Group, LLC 164 REMOTE SENSING AND GIS ACCURACY...

... ofglobal rule-to-rule comparison. For instance, the wetlands-to-forested upland possibility of a wet-lands-labeled pixel in a low -accuracy, wetlands-dominant area (rule 6- a) was double (0 .69 vs. 0.33)the ... ACCURACY AND ESTIMATING LANDSCAPE INDICATORS 183Figure 13.3 presents six fuzzy cover-type-conversion maps of water-to-forested upland, devel-oped-to-forested upland, barren-to-forested upland, ... distinctFigure 13.3 Fuzzy cover-type-conversion maps of: (a) water-to-forested upland, (b) developed-to-forestedupland, (c) barren-to-forested upland, (d) forested upland-to-forested upland, (e) herbaceousplanted/cultivated-to-forested...