نتایج جستجو برای: color words
تعداد نتایج: 261636 فیلتر نتایج به سال:
Audio-visual documents obtained from German TV news are classified according to the IPTC topic categorization scheme. To this end usual text classification techniques are adapted to speech, video, and non-speech audio. For each of the three modalities word analogues are generated: sequences of syllables for speech, “video words” based on low level color features (color moments, color correlogra...
An automatic color-based image recognition approach is presented in this article. A set of digital images will be clustered in several classes on the color similarity basis. The images are featured using LAB color space. Then, the obtained color-based feature vectors are clustered using a novel automatic unsupervised classification algorithm based on validation indexes. Some experiments, perfor...
In this paper, we are interested in color image processing, and in particular color image decomposition. The problem of image decomposition consists in splitting an original image f into two components u and v. u should contain the geometric information of the original image, while v should be made of the oscillating patterns of f , such as textures. We propose here a scheme based on a projecte...
KEY WORDS color models, gray model, local jets, points of interest, indexing , matching.
In this paper, we are interested in color image processing, and in particular color image decomposition. The problem of image decomposition consists in splitting an original image f into two components u and v. u should contain the geometric information of the original image, while v should be made of the oscillating patterns of f , such as textures. We propose here a scheme based on a projecte...
Investigating the effect of light color temperature on selective attention, error and human reaction time Abstract Background and aims: In humans, the reaction time limit is associated with several factors. It includes the time that takes to stimulate the sensory member, the stimulus effect is transmitted to the brain, then is perceived and the decision is made; consequently, the command resu...
Much research on color representation and categorization has assumed that relations among color terms can be proxies for relations among color percepts. We test this assumption by comparing the mapping of color words with color appearances among different observer groups performing cognitive tasks: (1) an invariance of naming task; and (2) triad similarity judgments of color term and color appe...
Much research on color representation and categorization has assumed that relations among color terms can be proxies for relations among color percepts. We test this assumption by comparing the mapping of color words with color appearances among different observer groups performing cognitive tasks: (1) an invariance of naming task; and (2) triad similarity judgments of color term and color appe...
Two kinds of perceptual priming (word identification and word fragment completion), as well as preference priming (that may rely on special affective mechanisms) were examined after participants either read or named the colors of words and nonwords at study. Participants named the colors of words more slowly than the colors of nonwords, indicating that lexical processing of the words occurred a...
Three studies examined automatic associations between words with moral and immoral meanings and the colors black and white. The speed of color naming in a Stroop task was faster when words in black concerned immorality (e.g., greed), rather than morality, and when words in white concerned morality (e.g., honesty), rather than immorality. In addition, priming immorality by having participants ha...
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