img = Import["http://i.stack.imgur.com/0ULvT.jpg"];
imgBin1 = Binarize[Dilation[img, 1]];
imgBin2 = Binarize[Dilation[img, 1], 0.6];
ColorCombine[{imgBin1, imgBin2, imgBin2}]

ComponentMeasurements[MorphologicalComponents[imgBin1], "Count"]
ComponentMeasurements[MorphologicalComponents[imgBin2], "Count"]