Research Article

A Comparative Study of Improved Artificial Bee Colony Algorithms Applied to Multilevel Image Thresholding

Table 4

The successful performance (SP) and ranks of the nine methods.

Image PSODPSOFODPSOABCABC/best/1ABC/best/2IABC/best/1IABC/rand/1CABC
SPRankSPRankSPRankSPRankSPRankSPRankSPRankSPRankSPRank

Starfish 213507320084200911506520.8326503450110005851.064
320507560089347.839190068502950380011250510004
44550511326.53824500965007200013350322002390045572.926
510347.22626785.71849615.38910984.8575852.2728333.333460019605.26587504

Snow 211506350086700915007700295035501110051020.414
321506.5880097021.28821506.57501.590037501.5115041223.405
44234.69612244.90822058.829350041550121502225034050542507
512241.38724833.338124166.7097346.945270023900325501655047608.706

Fox 255062200831009650730014003350250054504
312004450087244.899205077001110038502175051842.116
42604.1759534.88813833.339315071420.4621950313501240042987.816
53622.45461500089204.5595612.2552450233003220016530.6167062.507

Human 2135073300842009105063501650355027504989.585
3265074700810106.389225067501100038002110051032.614
44285.71312444.4473750096326.5347653.06540002380019459.46613303.578
510071.43529791.67860833.33911136.3664285.71151004460024836.963170007

Burro 214004.5310085918.37917506468.75111003850214004.51836.747
331507640088979.59921006850112004105021400511503
43958.33714772.73844117.659385061944.4422291.67317001265042959.185
510909.09418846.15718939.39817045.4567833.3337621.9527608.70115520.835347509

Mountain 217507280085400911006364.581650545026004585.113
321506630089687.50924007100021250380011950518004
45867.35714375838055.56946005312542650220001280034787.236
510285.71722424.248525009650051989.8013200320502430048958.336

Girl 2135063200849009140075001.570035001.59005765.314
3190056300811363.649225068001.5120038001.5165042368.427
47239.58715319.15828653.85940505250032350219001260044946.816
510067.57618589.74822424.2498963.4252908.16169003470028869.05413541.677

Scenery 2115044100869009215067501105038002155053958.337
3350048200811547.6294081.6351377.55131503145025156.2574402.176
45153.06711666.67825833.339305061836.7431800213001210042244.905
58333.33424827.59862727.279937557244.9027604.1734846.94112857.14712586.216

Penguin 212007310083400980063501.545033501.555055004
322007470086086.96918506714.29190038002110051071.434
47962.96424193.55862727.27912053.5777142.8626607.1417215.913912559736.846
58841.46722321.438660009700062291.6723200321501325043829.795

Pillar 210504370084700914006612.25285035501120051542.557
3245065900812162.16943507160022000313001205052040.824
45212.77510937.50821212.1297440.4875051.0243571.431405024387.7635243.906
58625617875821481.48912096.777650026614.5835765.3117944.4457380.954

Waterfall 2105073100840009100064001600350027004.57004.5
3485077600811666.67926506100011300312002195051902.174
47336.96715444.44825357.149535054555.5642700223501375037021.286
511333.33521875822586.21915543.4873437.5016276.603445028618.42411785.716

Bridge 21400725008500099006459.1834501.54501.57004714.295
3365076428.57813285.71921506918.3721550390011800516504
45677.08614239.138218759875075217.39342002340015277.7845285.715
58571.43522575.76820735.2977393.6243776.6015208.3333906.2529423.08631590.919

Average rank (lower is better)5.857.988.91675.991.852.8021.534.6255.45