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Title: Determination of volume of alaska pollock (Theragra chalcogramma) by image analysis
Authors: Balaban, Murat Ömer
Chombeau, Melanie
Gümüş, Bahar
Cırban, Dilşat
Keywords: Forecasting
Alaska pollock
Cubic splines
Volume prediction
Image analysis
Issue Date: Jan-2011
Publisher: Taylor and Francis Ltd.
Source: Balaban, M. Ö., Chombeau, M., Gümüş, B., and Cırban, D. (2011). Determination of volume of alaska pollock (Theragra chalcogramma) by image analysis. Journal of Aquatic Food Product Technology, 20(1), 45-52. doi:10.1080/10498850.2010.531996
Abstract: The objective of this study was to develop two methods to predict the volume of whole Alaska pollock and to compare the results with the experimentally measured volumes. One hundred fifty-five whole pollock, obtained from a Kodiak processor, were individually immersed in a graduated cylinder equipped with an outflow tube to catch the displaced water as a result of immersion. The weight of the water was recorded. Then the fish were placed in a light box equipped with a digital video camera, and the side view and top view recorded (2 images for each fish). A reference square of known surface area was placed by the fish. A cubic spline method to predict volume by integration of cross-sectional area slices based on the top and side views and an empirical equation using dimensional (length L, width W, depth D) measurements at three locations of the fish image were developed. The R 2 value for the correlation between the L × W × D versus measured volume was 0.987. The best R 2 for the correlation of the predicted volume by the cubic spline method versus the measured volume was 0.99. Image analysis can be used reliably to predict the volume of whole Alaska pollock. © Taylor & Francis Group, LLC.
ISSN: 1049-8850
Appears in Collections:Food Engineering / Gıda Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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