Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 20 for “"Color Differences"”.
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The perception of moderate and large color differences in photographic prints: an evaluation of five color-difference equations
The task of determining which of many available color-difference formulae is appropriate for any give application can be arduous. Researchers and practitioners alike are faced with the selection of one formula which best describes perceived color differences under conditions in which the equation …
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A color identification system based on class-oriented adaptive color space quantization
… an automatic computer vision system for color identification. The system deals with color objects, such as wooden parts, that exhibit large texture variations and subtle color differences. In recent years, color has been used more and more as an important cue for recognizing textured …
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Addition of Soybean Lipoxygenase to All-Purpose Flour and its Effects on Dough Gluten Strength and Bread Quality
… with controls (p<0.05). There were slight color differences among the loaves. The crust and crumb of bread flour loaves was lighter in color than any other sample. It was concluded that the addition of pH 4.8 precipitate to all-purpose flour greatly improved the rheological properties when …
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Detection of freeze damage in Virginia peanuts (Arachis hypogaea L.) by conductivity, tetrazolium, dipicrylamine, and visual tests
… cotyledon. A visual test was developed based on differences in glossiness of the flat surface of the peanut cotyledon. A freezing apparatus was designed and operated so that peanuts could be cooled at a slow, even rate to a series of low temperatures. These peanuts and peanuts exposed to a …
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Development of new tools and germplasms for improvement of wheat resistance to Fusarium head blight
… healthy kernels with an accuracy of 90% based on color differences using image processing and unsupervised machine learning methods. Discovery and creation of the new FHB resistant germplasms and development of the fast FDK phenotyping algorithm will accelerate the improvement of U.S. hard winter …
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Stereo Matching Based on Edge-Aware T-MST
… on traditional MST which is only generated from color differences of neighbouring pixels, a new tree structure, "Edge-Aware T-MST", is proposed to aggregate the cost according to the image texture. Specifically, cost aggregations are strongly enforced in large planar textureless regions due to …
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In vivo Measurement of Color Relationships between the Maxillary Central Incisor and Canine as a Function of Age
… or observations. This study documented the color relationship between <em>in vivo</em> maxillary central incisors and canines to examine: (1) whether they share the same hue, but have different chromas (as commonly taught); and, (2) whether color differences (∆E values) change as a function …
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Characterization of a Strain of Salmonella Typhimurium Capable of Causing Persistent Infections in Swine
… complement whereas 1518 is sensitive due to differences in O-antigen repeat lengths. The studies in this thesis describe the development of assays to differentiate the two phenotypic phases and the identification of more genes whose expression is controlled by phase variation. Colony color …
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Use of Noninvasive Methods to Document the Characteristics of Sewing Thread Used in US Women's Dress Ensembles From 1880 to 1909
… study that investigated the similarities and differences between variables for thread characteristics, such as thread configuration, degree of twist, direction of twist, color, and color match grades of sewing thread used in assembling American women's dresses and suits during the time period …
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Evaluating Economic and Environmental Impacts of Changing Herd Sire Genetics on Arkansas Cow-Calf Operations
… herd sires by accounting for breed type and hide color differences in prices. Using a spreadsheet tool that tracks operation-specific details of cow-calf operations, side by side comparisons of herd sire breed with respect to sale price, birth and weaning weight and attendant feed and birthing …
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Protein and Fiber Fortification of White Pan Bread Using Food-Grade Distiller’s Dried Grains
… food grade. Processing recovery (percent yield), color, and particle size were evaluated during the washing process. Substitutions of 5% and 10% of both DDGS and HP-DDG were used in all-purpose flour (APF). Dough rheology was tested using a Mixolab and a TA.XTPlus Texture Analyzer. Bread was baked …
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In vitro Staining of Denture Liners and Potential for Color Correction Using Commonly Available Denture Cleansers
… of common denture liners to agent-induced color change which, in turn, adversely impacts the esthetic appeal of the associated removable prosthesis.</p> <p>Objective: The purpose of the study was to evaluate the color stability of denture liners exposed to commonly encountered food stains …
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Evaluation of variability of instruments used in pork quality assessments
… are used to measure specific traits, including color and pH. Several instruments, each having several settings, are available for each instrument that impact the values observed, making it difficult for researchers to compare results when the settings are not exactly the same. Even when …
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Use of an Optical Sorter to Select for Winter Wheat (Triticum aestivum L.) Kernel Color
<p>Pure, white-kernel colored (Triticum aestivum L.) cultivars are needed for new end-use markets, and selection tools are necessary to help wheat breeders differentiate and efficiently separate white and red colored kernels within segregating populations to develop new white-kernel colored wheat …
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Effects of temperature, light and nutrition on color and anthocyanin content of poinsettia bracts
… an objective procedure for measuring the color of poinsettia bracts, to develop a method for quantitatively determining the concentration of bract anthocyanins, and to determine the effect of temperature, light intensity and nutrition on the color and the anthocyanin content of poinsettia …
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Effects of ultrasonication in combination with selected sanitizer and surfactant on the quality and microbial safety of produce
… to 14 days. Changes in headspace gases, texture, color, tissue damage, visual quality, and populations of aerobic mesophiles and yeasts and molds were determined. The oxygen concentrations and CO2 accumulation in Romaine lettuce were not significantly different among the treatments. In Iceberg …
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Applications of a hand-held optoelectronic nose: security screening, medical diagnosis and food inspection
… monitoring of general population. The use of colorimetric sensor arrays has proven to be a fast, convenient and effective method for liquid and gas analysis of relevant analytes where the specificity derives from the pattern of response from cross-reactive and chemoresponsive sensor sets. …
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Movement Patterns, Survival, and Sightability of White-Tailed Deer (Odocoileus virginianus) in Eastern South Dakota
… in late April and early May when potential color differences between sun-bleached deer and spring green-up were present. In the winter of 2010 and 2011, a total of 8 flights were conducted in January and February when 100% snow cover was present and deer were in large winter herds. Several …
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The effects of chop quality, cooking method, and degree of doneness on consumer acceptability of boneless pork chops
… were comprised of chop visual quality (visual color and marbling), ultimate pH of the chops, cooking method, and degree of doneness. These influencing factors were evaluated to determine their impact on consumer acceptability of boneless pork loin chops. Consumers (396 total) were served chops …
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Myoglobin redox form stabilization: role of metabolic intermediates and NIR detection
… generation, metmyoglobin reducing activity, and color stability using beef muscles (Longissimus lumborum, Psoas major, and Semitendinosus) extracts. We observed that, nonenzymatic reduction of horse MMb in vitro in a malate-MDH-NADH system increased with increasing NAD[superscript]+ and L-malate …