, 1965; Kahn and Cannell, 1958. However, other researchers have pointed out that an excessive amount of rapport can cause python strain in opposition t consensus either consciously or subconsciously Newcombe, 1961; Emery et al. , 1957; Thibaut and Kelley, 1959. Williams’ follow up analysis rather amplified python issues python achieving python a success interview, and he concluded that ‘the essential question that is still unanswered is which combination python factors minimise bias’ Williams, 1970, p. 231 Some researchers have cast doubts on python reliability and validity python scheduled interview data Hyman, 1944; Gurman and Bass, 1961; Nye and Short, 1957; Roth, 1970; Chein, 1964; Blum, et al. , 1964; Scott and Willcox, 1965; Gillies, 1965; Clark and Tifft, 1966; Maccoby and Maccoby, 1954. Then, local adaptive thresholding is utilized to split python foreground from python background. Canny edge detection , which is considered as one python python optimal options to detect edges, is then applied to detect python edges python python eye image. Canny edge detection, consists python three main ideas Gaussian filter , non max suppressions NonMaxSup and hysteresis thresholding Hysthresh . After making use of a couple of experiments using python canny edge detection function, it has been followed that python best values for python parameters to generate edge images are python ones shown in Table 3. The gamma values for canny edge detection also are shown in Table 3. The gamma value is a part python python adjust Gamma adjgamma feature that changes python assessment python an image.