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Color and luminance

The interaction of color and luminance in stereoscopic vision

The interaction of color and luminance in stereoscopic vision

... Frontispiece A Julesz pattern in color, as used in the experiments described here See chapter six THE INTERACTION OF COLOR AND LUMINANCE IN STEREOSCOPIC VISION Thesis by Cary Lu In Partial Fulfillment[.] ...

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COLOR IMAGE WATERMARKING USING BLOCK SELECTION BY LUMINANCE METHOD

COLOR IMAGE WATERMARKING USING BLOCK SELECTION BY LUMINANCE METHOD

... white color (255) a value a ris added to the image pixel luminance value, if it is black (0) the a is subtracted from the luminance ...the luminance value of the watermarked image pixel and ...

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The effect of the order Hilbert matrix On Detected components based on luminance for color image .

The effect of the order Hilbert matrix On Detected components based on luminance for color image .

... on luminance for color image, filtering the noise image and encryption the color ...any color image and any format without convert image to ...

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A Study on the Influence of Luminance L*  in the L*a*b* Color Space during Color Segmentation

A Study on the Influence of Luminance L* in the L*a*b* Color Space during Color Segmentation

... of luminance L* at the L*a*b* color space during color segmentation is ...in color images using only the Euclidean metric of a* and b* and an adaptive color similarity function defined ...

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Induced gamma activity in primary visual cortex is related to luminance and not color contrast: an MEG study

Induced gamma activity in primary visual cortex is related to luminance and not color contrast: an MEG study

... Gamma activity in the visual cortex has been reported in numerous EEG studies of coherent and illusory figures. A dominant theme of many such findings has been that temporal synchronization in the gamma band in response to ...

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Luminance cues constrain chromatic blur discrimination in
natural scene stimuli

Luminance cues constrain chromatic blur discrimination in natural scene stimuli

... sharp luminance information was combined with the chromatic ...of luminance information in natural scenes; equating the effective contrast of the channels did not diminish the ...the color and ...

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A REVIEW OF LUMINANCE AND COLOR INVARIANTS BASED PARTIAL MEDICAL IMAGE RETRIEVAL SYSTEMS

A REVIEW OF LUMINANCE AND COLOR INVARIANTS BASED PARTIAL MEDICAL IMAGE RETRIEVAL SYSTEMS

... Haridas and Thanamani [29] uses various methods for CBIR System such as RGB Color Histogram, Gabor Feature, and Tamura Texture. These methods are tested based on Precision, Recall, and Accuracy rate. The results ...

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Color and Contrast in E-Learning Design: A Review of the Literature and Recommendations for Instructional Designers and Web Developers

Color and Contrast in E-Learning Design: A Review of the Literature and Recommendations for Instructional Designers and Web Developers

... increased luminance contrast (ideally 3:1 ratio between text and background [Mogford, ...of color” (Mogford, n.d.). Color coding can, however, interfere with cognitive processing since the learner ...

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The perceived depth from disparity as function of luminance contrast

The perceived depth from disparity as function of luminance contrast

... of luminance contrast on perceived depth from binocular disparity in (a) the single-cycle condition and (b) the corrugated surface ...each luminance contrast level indicated in the color ...

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Detection and Enhancement of 2d Images

Detection and Enhancement of 2d Images

... Abstract: Many saliency detection models of stereoscopic display require multi resolution representation of map data in new models for salient region extraction that is not possible in spectral residual. This provides ...

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Formulating Enhancement and Restoration Strategy to Improve the Quality of Dusty Images

Formulating Enhancement and Restoration Strategy to Improve the Quality of Dusty Images

... automatic color correction algorithm consisting of image restoration using the Wiener filter, luminance stretching using YCbCr color model, and enhancing the image contrast using a modified ...

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Low Cost Object Sorting Robotic Arm Using Raspberry Pi

Low Cost Object Sorting Robotic Arm Using Raspberry Pi

... a color difference rather than a color, making the color space ...of luminance and chrominance components makes this color space attractive for skin color modeling images and ...

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FACE DETECTION BY SMQT FEATURES AND SNOW CLASSIFIER USING COLOR INFORMATION

FACE DETECTION BY SMQT FEATURES AND SNOW CLASSIFIER USING COLOR INFORMATION

... other color models like YUV or HSI, has the disadvantage of not clearly separating the mere color (chrom) and the intensity of a pixel, which makes it very difficult to robustly distinguish skin colored ...

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Vol. 2, Issue 9, September 2013

Vol. 2, Issue 9, September 2013

... Abstract: Tuberculosis (TB) is an important public health issue in this world. In 1992, World Health Organization (WHO) has determined tuberculosis as Global Emergency. The cause of tuberculosis disease is Mycobacterium ...

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Vol 11, No 1 (2014)

Vol 11, No 1 (2014)

... as color, texture, edge that are extracted both from the query image and the ...for color feature ...(i) Color feature extraction (ii) Texture and edge feature extraction (iii) Similarity Computation ...

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A Unified Quantitative Model of Vision and Audition

A Unified Quantitative Model of Vision and Audition

... Fig. 1. Detection of point’s attributes and spatial frequency. The gray levels of points mean intensities of input attributes or potentials. As in A, every input is a spatial graded pattern of attributes in essence. The ...

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 HIGH LEVEL DESIGN FOR REAL TIME IMPLEMENTATION OF CSC ALGORITHM ON FPGA 
USING MATLAB & SIMULINK SIMULATION

 HIGH LEVEL DESIGN FOR REAL TIME IMPLEMENTATION OF CSC ALGORITHM ON FPGA USING MATLAB & SIMULINK SIMULATION

... RGB color space [2].Processing an image in the RGB color space, with a set of RGB values for each pixel is not the most efficient ...use luminance and color difference video signals, such as ...

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ABSTRACT - The robustness of watermarks to geometric

ABSTRACT - The robustness of watermarks to geometric

... image luminance component or by processing each colour channel separately [3, ...the color reproduction ...of luminance and blue- channels using a perceptual model, which takes into account the ...

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Luminance Free Color Detection for Quantification and Automatic Segmentation in Microscopy: A Methodological Approach

Luminance Free Color Detection for Quantification and Automatic Segmentation in Microscopy: A Methodological Approach

... the luminance component to be subtracted from an analog video signal coming either from a local video camera or a digital analog converter for digital images trained from websites for remote ...reliable ...

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Chromatic and luminance sensitivity for skin and skinlike textures

Chromatic and luminance sensitivity for skin and skinlike textures

... and luminance (Figure 7c) dimensions, though the ratios are higher for chromatic ...with color distri- butions similar to natural ...mean luminance of the scene but also a contrast adaptation to the ...

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