Short communication: Application of Machine-vision to assess weight of fish (Case study: Oncorhynchus mykiss)

Computer Vision(CV) is a relatively young discipline which has been widely used to automate quality evaluation (Baxes, 1994;Luzuriaga et al., 1997).CV inspection of fish and fish products can provide efficient, consistent and cost effective alternative, so efforts focused on speed and accuracy of machine vision as a substitute for human inspection of foods (Brosnan and Sun, 2002).Machine vision is explained as the construction of explicit informative and meaningful descriptions of a physical object via image analysis (Dowlati et al., 2012). Actually it encloses the capturing, processing and analysis of twodimensional images, and by modeling human vision electronically perceives and understands images (Timmermans, 1998; Sonka et al., 1999).