نتایج جستجو برای: color parameters

تعداد نتایج: 691944  

Journal: :علوم باغبانی ایران 0
آرزو عسگرپور دانشجوی سابق کارشناسی ارشد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج مصباح بابالار استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج محمدعلی عسگری استادیار، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج

in the current research, salicylic acid and putrescine treatments solutions each with 0, 0.5, 1, and 2 mm/l levels were sprayed on the ‘granny smith’ apple trees in three preharvest stages. the treatments were applied based on factorial experiment in the randomized complete block design. weight loss, fruit firmness, total soluble solids (tss), titratable acidity (ta), ph, tss/ta, peel color, an...

ژورنال: علوم آب و خاک 2009
الهی, محمد, شهیدی, فخری, غلامحسین پور, علی, وریدی, محمد جواد,

This research was carried out taking into consideration the defects of traditional process in and the most important factors affecting production of rock candy. Selected parameters used for effluent and rock candy consisted of supersaturation at 4 levels (1.3, 1.4, 1.5, and 1.6) and temperature at 3 levels (70, 80, 900C) with 3 replications. The physiochemical tests consisted of pH, color and i...

Journal: :Comput. Graph. Forum 2009
Nicolas Bonneel Sylvain Paris Michiel van de Panne Frédo Durand George Drettakis

Significant progress has been made in high-quality hair rendering, but it remains difficult to choose parameter values that reproduce a given real hair appearance. In particular, for applications such as games where naive users want to create their own avatars, tuning complex parameters is not practical. Our approach analyses a single flash photograph and estimates model parameters that reprodu...

Journal: :Remote Sensing 2014
Shungudzemwoyo Pascal Garaba Daniela Voß Oliver Zielinski

Color of seawater has become an integral tool in understanding surface marine ecosystems and processes. In this paper we seek to assess the correlations and consequently the potential of using shipborne remote sensing products to infer marine environmental parameters. Typical seawater parameters are chlorophyll–a (chl–a), colored dissolved organic material (CDOM), suspended particulate material...

A. Ghassemi, A. Najafi, A. Nakhostin, F. Ameri, F. Raoufinejad, H. Norouzi, M. Abdo Tabrizi,

Objective: Bulk-fill composites are a group of composite resins designed for easy and fast filling of large cavities. This study aimed to assess the color stability of bulk-fill composites subjected to xenon radiation and evaluate their color change (&DeltaE) following polymerization. Methods: In this in vitro experimental study, 30 specimens (4mm in height and 8mm in diameter) were fabricat...

Kiyana Kiakojoori, Mansoreh Mirzaii, Mohammadjavad Kharazifard, Sedigheh Hashemi Kamangar,

Background and Aim: Bleaching agents differently affect the color of composite restorations. This study aimed to assess the effect of two different bleaching agents on color change of silorane-based and two types of methacrylate-based composites. Materials and Methods: This in-vitro study was conducted on 18 disc-shaped specimens measuring 10×2mm made of A3 shade of Z250, Z350 and P90 composite...

2017
V. Labunets I. Artemov V. Chasovskikh E. Ostheimer

In this work, we use quantum color cellular automata to study pattern formation and image processing in quantum-diffusion Schrödinger systems with triplet-valued (color-valued) diffusion coefficients. Triplet numbers have the real part and two imaginary parts (with two imaginary units 1  and 2  , where 3 1   ). They form 3-D triplet algebra. Discretization of the Schrödinger equation gives ...

1996
Jon Y. Hardeberg Francis J. M. Schmitt Ingeborg Tastl Hans Brettel Jean-Pierre Crettez

We propose a color management system for the color facsimile. It consists of protocols for the colorimetric calibration of the scanner and the printer by establishing the relationships between the device-dependent color coordinates and the device-independent CIELAB color space. The scanner calibration is based on 3rd order polynomial regression techniques. The printer calibration uses 3D triang...

Journal: :Integrated Computer-Aided Engineering 2011
Sidnei Alves de Araújo Hae Yong Kim

Template matching is a technique widely used for finding patterns in digital images. A good template matching should be able to detect template instances that have undergone geometric transformations. In this paper, we proposed a grayscale template matching algorithm named Ciratefi, invariant to rotation, scale, translation, brightness and contrast and its extension to color images. We introduc...

1998
Sergej Yendrikhovskij Frans J. J. Blommaert Huib de Ridder

The paper elaborates on understanding, measuring and optimizing perceived color quality of natural images. We introduce a model for optimal color reproduction of natural scenes which is based on the assumption that color quality of natural images is constrained by perceived naturalness and colorfulness of these images. To verify the model, a few experiments were carried out where subjects estim...

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