We present a spectral model for predicting the fluorescent emission and the total reflectance of color halftones printed on optically brightened paper. By relying on extended Neugebauer models, the proposed model accounts for the attenuation by the ink halftones of both the incident exciting light in the UV wavelength range and the emerging fluorescent emission in the visible wavelength range. ...

We study the color reproduction of full-color metallic-ink images. Full-color metallic-ink images are prints whose contributing colorants are exclusively made of colored metallic inks. Due to the presence of metallic particles, metallic inks show a metal-like luster. These particles are opaque and hide the underlying ink or substrate. In order to obtain predictable halftone colors, we need a ju...

In this work, different aspects on the re-use of wood based fibres have been studied, focusing on ink detachment of flexographic ink from model cellulose surfaces and changes in porous structure of kraft fibres following different treatments. New model systems for evaluation of ink detachment and ink-cellulose interactions were used. Ink detachment was studied using Impinging jet cell equipment...

Akin osteotomy is a common component of hallux valgus surgery. Holding the osteotomy in good position with a well placed staple can prove difficult. To aid this, a marker pen is used to apply ink to the tip of the proximal limb of the staple (Fig 1). A hole is drilled in the distal bone and the non-inked staple limb is inserted while the osteotomy is held in the desired position. This causes tr...

In this paper we show how a game engine designed to generate photorealistic images can be extended to produce non-photorealistic and hybrid renditions. We introduce new hardware-based methods to accomplish pen-and-ink illustrations. The combination of the highly optimized processing of a game engine and the use of hardware for NPR algorithms yields real-time animation of pen-and-ink illustratio...

It is mainly the bulk properties of latex and ink oil that contribute to the observable differences in the ink setting dynamics rather than surface chemical wetting differences or changes in porous structure related to the inclusion of latex. It can be generalised that low latex solubility parameter (butadiene < styrene = acrylate < acrylonitrile) leads to greater oil interaction. Furthermore, ...

This paper describes a digital project in which ink-and-wash painting, an East Asian art form with a 1,300-year history, is drawn in interaction with an audience. This project was intended to analyze the traditional thoughts and techniques associated with the ink-andwash painting of an orchid, a design that expresses Eastern philosophy. The project relies on an interactive technique to demonstr...

Introduction: India ink is routinely used for preoperative marking of colonic lesions to facilitate identification during laparoscopic colon surgery. It is a relatively inert dye with few reported adverse effects. Case Description: We report a case of inadvertent extracolonic tattooing and intra-peritoneal spillage of India ink leading to adhesions and formation of a mass, which mimicked malign...

The number of colorants used in printers is growing to improve quality of the prints in terms of gamut size, grain and metamerism. In this paper we demonstrate a modification to the existing models (Cellular Neugebauer Model, with Yule Nielson Correction) to simulate spectral reflectance of an N-ink printer. This is achieved by imposing a constraint for the media ink limit, the modified model i...