Categorical perception (CP) occurs when discrimination of items that cross category boundaries is faster or more accurate than discrimination of exemplars from the same category. Categorical perception of color is observed when, for example, a green stimulus and a blue stimulus are more easily distinguished than two stimuli from the same color category (e.g., two different shades of green). Col...

It is our conjecture that the variability of colors in a pathology image effects the interpretation of pathology cases, whether it is diagnostic accuracy, diagnostic confidence, or workflow efficiency. In this paper, digital pathology images are analyzed to quantify the perceived difference in color that occurs due to display aging, in particular a change in the maximum luminance, white point, ...

Starting from the colour-matching functions measured by Stiles–Burch for a 2◦ visual field and ten individual observers, published by Trezona we have discussed certain differences between this dataset and the CIE 1931 Standard Observer. Moreover, a Standard Deviate Observer (SDO) has been developed from this dataset, loosely following the method proposed by Nayatani et al . It should be borne i...

Perhaps one of the most fascinating and important subjects to be addressed in our industry over recent years is the effect of lamp spectral distribution on visibility. In the past, it has been widely accepted that under virtually all circumstances where artificial light is used, lighting level calculations could ignore spectral effects. In IESNA and CIE practice, recommended lighting levels do ...

This paper describes the Link-the-Wiki submission of Lycos Europe. We try to learn suitable anchor texts by looking at the anchor texts the Wikipedia authors used. Disambiguation is done by using textual similarity and also by checking whether a set of link targets “makes

Against the background of the changing relationships between trade unions and political parties in Western Europe, this paper examines the nature and outcomes of union–party alliances in East Central Europe. The paper advances two interrelated arguments. First, the nature of union–party ties in postcommunism is significantly different and can be best described as an inverse dependency relations...

We present a new segment-based method for saliency detection based on multi-size superpixels that combines local and global saliency cues. We extract superpixels at several scales and represent each superpixel with a normal distribution in CIE-Lab space estimated from its associated pixels. Global saliency is computed by grouping similar superpixels to estimate the spatial distribution of color...

A b s t r a c t In this paper we discuss the results of experiments which use a context, essentially an ordered set of lexical items, as the seed from which to build a network representing statistically important relationships among lexical items in some corpus. A metric is then applied to the nodes in the network in order to discover those pairs of items related by high indices of similarity. ...

We have developed highly efficient white top-emitting organic light-emitting devices (TOLEDs) with broad emission by modifying both anode and cathode. To alleviate the undesirable microcavity effect and obtain “broad” white emission, CFxcoated Ag anode with modified reflectivity and an index-matching layer (SnO2) capped on thin Ca/Ag cathode with a maximal transparency of 80% were employed. A t...

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