... (in contrast to the background),– the neck of the ostrich (in contrast to its feathers),– the eye (in contrast to the neck),– the beak (in contrast to the eye), etc.Detection. The human eye ... within the object. Based on the histogramof the image, the algorithm fills in the area around the starting point where the value of the pixeldifference is below a certain threshold. The filled–in ... 5.3.2). The parameters of the wavelet denoiser include the type of algorithm, the cut–off threshold, the number oflevels to be treated (see Section 5.3.3), and whether the padding coefficients of the...