The use of spectrophotometers for color measurements on printed substrates is widely spread among paper producers as well as within the printing industry. Spectrophotometer measurements are precise, but timeconsuming procedures and faster methods are desirable. The rapid development of digital cameras has opened the possibility to use consumer digital cameras as substitutes for spectrophotomete...

A generalized color-difference space was introduced based on theories of multi-stage color vision, for example, the zone theory, and extended by integrating line elements. This space had the following features: chromatic adaptation, a linear transformation from CIE tristimulus values to cone fundamentals, a nonlinear compression stage, a second linear transformation to opponent signals, and lin...

El objetivo fue una barra proteica con recubrimiento de un gel energético a base café. Se partió formulación estándar y se manejaron tres concentraciones (4 , 8 12). realizó análisis color empleando la escala Cielab, construyó perfil sensorial del producto usando prueba descriptiva evaluando atributos de: tamaño, sabor, olor, color, dureza, textura, arenosidad, aroma sensación residual además p...

With the rapid growth of photo-inkjet printers using sixcolorant in response to the spread of digital and mobile cameras, there has been a lot of research regarding six-color separation in order to achieve visually smooth tones in highlight regions. Most conventional method use the maximum amount of colorant with a low dot-visibility, thus resulting in paper wetness, poor edgesharpness, and ink...

We studied skin color in participants before and after a 100-m sprint using Konica Minolta CM-2600d spectrophotometer. Four body positions (forehead, cheek, neck, inner forearm) were measured for the approximately 30 students (non-professional runners) who participated experiment. Skin reflectance was three times at each position running again soon afterward. Analysis of data showed that averag...

The paper presents a statistical evaluation of the typological data about color naming systems across the languages of the world that have been obtained by the World Color Survey. In a first step, we discuss a principal component analysis of the categorization data that led to a small set of easily interpretable features that are dominant in color categorization. These features were used for a ...

A hue descriptor based on Logvinenko’s illuminantinvariant object colour atlas [1] is tested in terms of how well it maps hues to the hue names found in Moroney’s Colour Thesaurus [2] [3] and how well it maps hues of Munsell papers to their corresponding Munsell hue designator. Called the KSM hue descriptor, it correlates hue with the central wavelength of a Gaussian-shaped reflectance function...

©2002, IS&T—The Society for Imaging Science and Technology be difficult to apply conventional color halftoning techniques to high-fidelity color printing. In a blue noise halftoning method, the problems related to Moiré patterns in conventional screen designs are replaced by color image quality issues related to the overlay of blue noise patterns. A number of different schemes have been propose...

Colorization is a computerized process of adding color to a black and white print, movie and TV program. The authors have proposed automatic colorization algorithms by giving a partial color to a monochrome image. This paper focuses on the colorization process which can produce a color image from a monochrome image with a small number of color pixels, and proposes a novel color image coding alg...