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Preprocessing Of Microcirculatory Images., Mohamed S. Mansour
Preprocessing Of Microcirculatory Images., Mohamed S. Mansour
Electronic Theses and Dissertations
This thesis project consists of the development of a computerized image processing system to preprocess microvascular images of the mouse Latisimus Dorsi Muscle (LDM). This research has been conducted in association with the Division of Plastic and Reconstructive Surgery at the University of Louisville. The input to the system is a set of 35 or more overlapping microscopic fields or sub_images containing segments of the LDM microcirculation, the output is an adjacent single montage encompassing the entire LDM microvasculature. The developed system presents practical solutions to the problems of image registration, overlap resolution, and image segmentation, in addition, the results …
Bioenergetics Of Walleye In Lake Oahe, South Dakota, Scott D. Bryan
Bioenergetics Of Walleye In Lake Oahe, South Dakota, Scott D. Bryan
Electronic Theses and Dissertations
The food habits, caloric density, and population dynamics of walleye Stizostedion vitreum were determined in 1993 and 1994 and combined with information on energetics and growth to determine the trophic interactions of walleyes in Lake Oahe, South Dakota. Monofilament gill nets were set at three depths in the water column (bottom, suspended, and surface) from May through September, 1994 to determine the effect of gill net placement on catch rates of walleyes. Catch per unit effort of walleyes was greater in bottom nets during July (5.2/net-h) than any other month or net location. In addition, 25- and 38-mm mesh sizes …