Research Article

Multilevel Thresholding for Image Segmentation Using Mean Gradient

Table 2

Performance metrics for some images in the H-DIBCO database using the proposed method.

ImagePrecisionRecallF1-measureRMSEPSNRK

01.bmp0.93960.99480.96640.250260.16520.75
02.bmp0.96410.99670.98020.190362.54150.75
03.bmp0.95580.99660.97580.213661.53700.75
04.bmp0.96870.99420.98130.188962.6065
05.bmp0.97340.99810.98560.167663.6442
06.bmp0.85620.98340.91540.376056.6267
07.bmp0.87310.98620.92620.352757.1819
08.bmp0.96570.99240.97890.198762.16810.4