Author Affiliations
1School of Information Engineering, Heibei GEO University, Shijiazhuang, Hebei 0 50031, China2Hebei Key Laboratory of Optoelectronic Information and Geo-Detection Technology, Heibei GEO University, Shijiazhuang, Hebei 0 50031, Chinashow less
Fig. 1. Images, corresponding standard segmentation images, and gray-level histograms. (a)--(f) #NDT1--#NDT 6; (g)--(l) standard segmentation images #NDT1--#NDT 6; (m)--(r) gray-level histograms #NDT1--#NDT 6
Fig. 2. Segmentation results of different algorithms on #NDT1 image. (a) Image with Gaussian noise (0, 0.02); (b) FCM_S1 algorithm; (c) FCM_S2 algorithm; (d) EnFCM algorithm; (e) FGFCM algorithm; (f) algorithm in Ref. [20]; (g) algorithm in Ref. [21]; (h) IFCM_S1 algorithm; (i) IFCM_S2 algorithm
Fig. 3. Segmentation results of different algorithms on #NDT2 image. (a) Image with Gaussian noise (0, 0.01); (b) FCM_S1 algorithm; (c) FCM_S2 algorithm; (d) EnFCM algorithm; (e) FGFCM algorithm; (f) algorithm in Ref. [20]; (g) algorithm in Ref. [21]; (h) IFCM_S1 algorithm; (i) IFCM_S2 algorithm
Fig. 4. Segmentation results of different algorithms on #NDT3 image. (a) Image with Gaussian noise (0, 0.01); (b) FCM_S1 algorithm; (c) FCM_S2 algorithm; (d) EnFCM algorithm; (e) FGFCM algorithm; (f) algorithm in Ref. [20]; (g) algorithm in Ref. [21]; (h) IFCM_S1 algorithm; (i) IFCM_S2 algorithm
Fig. 5. Segmentation results of different algorithms on #NDT4 image. (a) Image with Gaussian noise (0, 0.01); (b) FCM_S1 algorithm; (c) FCM_S2 algorithm; (d) EnFCM algorithm; (e) FGFCM algorithm; (f) algorithm in Ref. [20]; (g) algorithm in Ref. [21]; (h) IFCM_S1 algorithm; (i) IFCM_S2 algorithm
Fig. 6. Segmentation results of different algorithms on #NDT5 image. (a) Image with Gaussian noise (0, 0.01); (b) FCM_S1 algorithm; (c) FCM_S2 algorithm; (d) EnFCM algorithm; (e) FGFCM algorithm; (f) algorithm in Ref. [20]; (g) algorithm in Ref. [21]; (h) IFCM_S1 algorithm; (i) IFCM_S2 algorithm
Fig. 7. Segmentation results of different algorithms on #NDT6 image. (a) Image with Gaussian noise (0, 0.01); (b) FCM_S1 algorithm; (c) FCM_S2 algorithm; (d) EnFCM algorithm; (e) FGFCM algorithm; (f) algorithm in Ref. [20]; (g) algorithm in Ref. [21]; (h) IFCM_S1 algorithm; (i) IFCM_S2 algorithm
Algorithm | Appearance | Parameter setting |
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m | α | λs | λg | T | ε | Local window |
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FCM_S1 | Ref. [13] | 2 | 4 | | | 300 | 10-4 | 3×3 | FCM_S2 | Ref. [13] | 2 | 4 | | | 300 | 10-4 | 3×3 | EnFCM | Ref. [14] | 2 | 4 | | | 300 | 10-4 | 3×3 | FGFCM | Ref. [15] | 2 | | 3 | 3 | 300 | 10-4 | 3×3 | Method in Ref. [20] | Ref. [20] | 2 | | | | 300 | 10-4 | | Method in Ref. [21] | Ref. [21] | 2 | | | | 300 | 10-4 | | IFCM_S1 | This paper | 2 | 4 | | | 300 | 10-4 | 3×3 | IFCM_S2 | This paper | 2 | 4 | | | 300 | 10-4 | 3×3 |
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Table 1. Parameter settings for different related algorithms
Image | Noiselevel | Index | FCM_S1 | FCM_S2 | EnFCM | FGFCM | Method inRef. [20] | Method inRef. [21] | IFCM_S1 | IFCM_S2 |
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#NDT1 | Unadded noise | SA | 0.9466 | 0.9467 | 0.9473 | 0.9459 | 0.9854 | 0.9877 | 0.9918 | 0.9916 | ARI | 0.8931 | 0.8933 | 0.8945 | 0.8918 | 0.9708 | 0.9753 | 0.9836 | 0.9832 | GaussianNoise(0,0.02) | SA | 0.8516 | 0.8149 | 0.8721 | 0.8876 | 0.8781 | 0.7768 | 0.9765 | 0.9692 | ARI | 0.7032 | 0.6298 | 0.7443 | 0.7751 | 0.7561 | 0.5537 | 0.9530 | 0.9383 | Salt & peppernoise(0.1) | SA | 0.8440 | 0.9137 | 0.8532 | 0.9344 | 0.9510 | 0.8512 | 0.9717 | 0.9859 | ARI | 0.6881 | 0.8275 | 0.7063 | 0.8688 | 0.9020 | 0.7024 | 0.9434 | 0.9718 | #NDT2 | Unadded noise | SA | 0.8338 | 0.8616 | 0.8333 | 0.8556 | 0.9777 | 0.9621 | 0.9225 | 0.9554 | ARI | 0.6676 | 0.7233 | 0.6667 | 0.7112 | 0.9554 | 0.9242 | 0.8449 | 0.9109 | GaussianNoise(0,0.01) | SA | 0.7571 | 0.7395 | 0.7712 | 0.7730 | 0.8342 | 0.7709 | 0.9104 | 0.9291 | ARI | 0.5143 | 0.4790 | 0.5423 | 0.5459 | 0.6684 | 0.5419 | 0.8209 | 0.8583 | Salt & peppernoise(0.1) | SA | 0.7170 | 0.8556 | 0.7257 | 0.8228 | 0.9795 | 0.9875 | 0.9113 | 0.9543 | ARI | 0.4340 | 0.7112 | 0.4514 | 0.6457 | 0.9590 | 0.9750 | 0.8226 | 0.9086 | #NDT3 | Unadded noise | SA | 0.5113 | 0.5826 | 0.5086 | 0.6226 | 0.9916 | 0.9916 | 0.9887 | 0.9916 | ARI | 0.0227 | 0.1653 | 0.0173 | 0.2451 | 0.9831 | 0.9831 | 0.9773 | 0.9833 | GaussianNoise(0,0.01) | SA | 0.5835 | 0.6131 | 0.5934 | 0.6496 | 0.9609 | 0.7603 | 0.9844 | 0.9856 | ARI | 0.1670 | 0.2261 | 0.1869 | 0.2992 | 0.9217 | 0.5206 | 0.9689 | 0.9713 | Salt & peppernoise(0.1) | SA | 0.5996 | 0.5831 | 0.6360 | 0.6185 | 0.8983 | 0.8982 | 0.9837 | 0.9895 | ARI | 0.1991 | 0.1662 | 0.2720 | 0.2371 | 0.7965 | 0.7964 | 0.9674 | 0.9790 | #NDT4 | Unadded noise | SA | 0.9210 | 0.9666 | 0.9234 | 0.9672 | 0.9760 | 0.9798 | 0.9638 | 0.9850 | ARI | 0.8419 | 0.9332 | 0.8467 | 0.9344 | 0.9520 | 0.9596 | 0.9275 | 0.9696 | GaussianNoise(0,0.01) | SA | 0.8109 | 0.8103 | 0.8321 | 0.8633 | 0.8657 | 0.8337 | 0.9544 | 0.9606 | ARI | 0.6218 | 0.6206 | 0.6643 | 0.7267 | 0.7315 | 0.6675 | 0.9088 | 0.9212 | Salt & peppernoise(0.1) | SA | 0.8203 | 0.9208 | 0.7923 | 0.9284 | 0.9540 | 0.9538 | 0.9356 | 0.9770 | ARI | 0.6407 | 0.8415 | 0.5846 | 0.8567 | 0.9080 | 0.9076 | 0.8713 | 0.9540 | #NDT5 | Unadded noise | SA | 0.9009 | 0.9290 | 0.9011 | 0.9296 | 0.9633 | 0.9593 | 0.9313 | 0.9580 | ARI | 0.8017 | 0.8580 | 0.8023 | 0.8591 | 0.9266 | 0.9186 | 0.8626 | 0.9160 | GaussianNoise(0,0.01) | SA | 0.8620 | 0.8717 | 0.8614 | 0.8977 | 0.8516 | 0.8316 | 0.9291 | 0.9274 | ARI | 0.7240 | 0.7434 | 0.7229 | 0.7954 | 0.7031 | 0.6631 | 0.8583 | 0.8549 | Salt & peppernoise(0.1) | SA | 0.8156 | 0.8981 | 0.8117 | 0.9103 | 0.9060 | 0.9047 | 0.9011 | 0.9384 | ARI | 0.6311 | 0.7963 | 0.6234 | 0.8206 | 0.8120 | 0.8094 | 0.8022 | 0.8769 | Image | Noiselevel | Index | FCM_S1 | FCM_S2 | EnFCM | FGFCM | Method inRef. [20] | Method inRef. [21] | IFCM_S1 | IFCM_S2 | #NDT6 | Unadded noise | SA | 0.9477 | 0.9427 | 0.9485 | 0.9472 | 0.9692 | 0.9636 | 0.9783 | 0.9739 | ARI | 0.8954 | 0.8854 | 0.8971 | 0.8945 | 0.9384 | 0.9273 | 0.9566 | 0.9478 | GaussianNoise(0,0.01) | SA | 0.9217 | 0.9181 | 0.9243 | 0.9333 | 0.8605 | 0.8455 | 0.9679 | 0.9662 | ARI | 0.8434 | 0.8362 | 0.8487 | 0.8666 | 0.7211 | 0.6910 | 0.9358 | 0.9323 | Salt & peppernoise(0.1) | SA | 0.8894 | 0.9281 | 0.8902 | 0.9371 | 0.8980 | 0.8911 | 0.9475 | 0.9562 | ARI | 0.7787 | 0.8563 | 0.7805 | 0.8743 | 0.7960 | 0.7822 | 0.8949 | 0.9125 |
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Table 2. Comparison of segmentation indices of different algorithms on #NDT1~#NDT6 images