Decolorize: Fast, contrast enhancing, color to grayscale conversion
نویسندگان
چکیده
منابع مشابه
Decolorize: Fast, contrast enhancing, color to grayscale conversion
We present a new contrast enhancing color to grayscale conversion algorithm which works in real-time. It incorporates novel techniques for image sampling and dimensionality reduction, sampling color differences by Gaussian pairing and analyzing color differences by predominant component analysis. In addition to its speed and simplicity, the algorithm has the advantages of continuous mapping, gl...
متن کاملThe decolorize algorithm for contrast enhancing, color to grayscale conversion
We present a new contrast enhancing color to grayscale conversion algorithm which works in real-time. It incorporates novel techniques for image sampling and dimensionality reduction, sampling color differences by Gaussian pairing and analyzing color differences by predominant component analysis. In addition to its speed and simplicity, the algorithm has the advantages of continuous mapping, gl...
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Color information is usually discarded when converting a color image into a grayscale image. However, it is sometimes desirable to reflect chrominance change where luminance contrast is not obvious. Inspired by tone mapping technique, this paper proposes a similar method for color to grayscale conversion, which in addition takes into account the local chrominance changes. The result shows great...
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This paper presents a novel variance (contrast) maximizing and brightness preserving color to grayscale image transformation method. We formulate the problem of converting color to grayscale image as a constrained optimization problem where we maximize the variance (contrast) of the grayscale image subject to the constraint that it preserves the brightness of the color image. Our algorithm has ...
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Despite the widespread availability of color cameras and color displays, there is still a demand for black-and-white imagery due to three main factors: (1) artistic effects (e.g. Ansel Adams), (2) the cost gap between color and black-and-white printing, and (3) the design of many algorithms in image processing and computer vision that require a single value per pixel. Recent research [Rasche et...
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ژورنال
عنوان ژورنال: Pattern Recognition
سال: 2007
ISSN: 0031-3203
DOI: 10.1016/j.patcog.2006.11.003