Table 3 The SAD results for endmember extraction, using VCA_FCLS as the standard.

From: Endmember extraction and abundance estimation algorithm based on double-compressed sampling

SAD (rad)

Sampling rate

0.1

0.2

0.3

0.4

0.5

Cuptite1

     

 CPPCA_VCA_FCLS

0.287

0.058

0.048

0.051

0.056

 SU_DCS

0.048

0.038

0.025

0.024

0.023

Cuprite2

     

 CPPCA_VCA_FCLS

0.619

0.291

0.197

0.111

0.090

 SU_DCS

0.112

0.251

0.257

0.247

0.213

Cuprite3

     

 CPPCA_VCA_FCLS

0.343

0.084

0.053

0.041

0.036

 SU_DCS

0.035

0.049

0.040

0.036

0.037

Indian Pines

     

 CPPCA_VCA_FCLS

0.562

0.410

0.322

0.303

0.264

 SU_DCS

0.141

0.284

0.302

0.329

0.318

Pavia University

     

 CPPCA_VCA_FCLS

0.793

0.420

0.357

0.349

0.369

 SU_DCS

0.304

0.288

0.439

0.343

0.365

Botswana

     

 CPPCA_VCA_FCLS

0.831

0.352

0.263

0.283

0.299

 SU_DCS

0.329

0.201

0.260

0.215

0.183

  1. Significant values are in bold.
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