نتایج جستجو برای: color detection

تعداد نتایج: 676641  

2012
Rudra P. K. Poudel Hammadi Nait-Charif Jian J. Zhang David Liu

Skin color provides a powerful cue for complex computer vision applications. Although skin color detection has been an active research area for decades, the mainstream technology is based on the individual pixels. This paper presents a new region-based technique for skin color detection which outperforms the current state-of-the-art pixel-based skin color detection method on the popular Compaq ...

2007
Jalal Aldin Nasiri Sara Khanchi Hamid Reza Pourreza

We present an approach to detect eyes in color images. First of all, RGB facial image is converted to YCbCr one. According to YCbCr facial image, the proposed algorithm constructs two EyeMaps, one map from luminance component (EyeMapL) and the other from chrominance components (EyeMapC). When the two separate EyeMaps are constructed, we combine them to make final EyeMap. We use final EyeMap to ...

2016
T. T. Zhang P. Zhao L. J. Liu

Moving object detection based on color information is easily affected by illumination changes and shadows in complex scenes. Depth information can provide complementary information. In the paper, a novel method is presented by using color and depth information. Firstly, we improve the codebook algorithm by fusing the depth information as the fourth channel in the code word. Next, a compensation...

Journal: :Vision Research 2001
Rhea T. Eskew Jessica R. Newton Franco Giulianini

Detection and threshold-level discrimination of Gabor patches were studied under the conditions of noise masking, in an attempt to isolate 'higher-order' or nonclassical color mechanisms. Detection contours in the equiluminant plane of cone contrast space were measured by varying test chromaticity in the presence of chromatic masking noise. Three equiluminant noise directions were used, in sepa...

Journal: :Proceedings of the National Academy of Sciences 2001

Journal: :IEEE Transactions on Image Processing 1993

Journal: :International Journal of Computer Applications 2017

Journal: :Information 2017
Claudia I. González Patricia Melin Oscar Castillo

Abstract: This paper presents a new general type-2 fuzzy logic method for edge detection applied to color format images. The proposed algorithm combines the methodology based on the image gradients and general type-2 fuzzy logic theory to provide a powerful edge detection method. General type-2 fuzzy inference systems are approximated using the α-planes approach. The edge detection method is te...

2005
Qing-Fang Zheng Wen Gao

Skin region detection plays an important role in a variety of applications such as face detection, adult image filtering and gesture recognition. To improve the accuracy and speed of skin detection, in this paper, we describe a fast adaptive skin detection approach that works on DCT domain of JPEG image and classifies each image block according to its color and texture properties. Main contribu...

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