Samsung Electronics Co., Ltd.

Samsung Electro-mechanics Co., Ltd.

Chang-yeong Kim

Seong-deok Lee

Du-Sik Park

Won-hee Choe

Yang-seock Seo

Du-sik Park

Sang-kyun Kim

Ho-young Lee

Woo-shik Kim

Hyun-hwa Oh

Sung-Su Kim

Hyun-wook Ok

Young-shin Kwak

In-ji Kim

Young-su Moon

Heui-keun Choh

Aron Baik

Ki-won Yoo

Myung-jin Eom

Seong-Deok Lee

Young-sik Huh

Yong-in Han

Mun-Pyo Hong

Yang-lim Choi

Nam-Seok Roh

Chang-wan Hong

Seung-sin Lee

Ji-Yeon Kim

Hyun-Wook Ok

Seung-Woo Lee

Young-sun Kim

Young-Chol Yang

Keun-Kyu Song

Jung-Bae Kim

Young-ran Han

Yun-Tae Kim

Jong-Seon Kim

Jin-ho Yim

Gee-Young Sung

Hyun-Chul Song

Alexey Lukin

Seok-cheol Kee

Dong-Sik Park

Ji-yeun Kim

Jeong-yeop Kim

Sung-gul Ryoo

Kaida Xiao

Koichi Sono

Seok-Joon Park

Chang-won Huh

Doo-sik Park

Dong-joong Kang

Dmitriv Vatolin

Bo-won Jeon

Won-hee Cheo

Yun-Ju Yu

Doo-Sik Park

Hyun-Jeong Koo

Hwan-young Kim

Pavel A Chochia

Dmitry V Sushko

Boris M Miller

Yong-sik Moon

Yang-seok Seo

A coding method including dividing pixels of a chrominance component of an input image into blocks having a predetermined size; selecting one among a direct current prediction method, a vertical prediction method, a horizontal prediction method, and a hybrid prediction method according to a user's input; generating a prediction value of each pixel in a current block to be predictively coded, using at least one pixel value among pixel values in an upper reference block adjacent to the current block and in a side reference block adjacent to the current block, according to the selected prediction method; generating a differential value between the prediction value and a corresponding real pixel value in the current block; and coding the differential value and information on the selected prediction method using a predetermined coding method.

Image coding method and apparatus using spatial predictive coding of chrominance and image decoding method and apparatus

Provided is an image generation system and method, more particularly, an image generation system and method which can generate a high dynamic range image from a plurality of images acquired in a single short exposure. The image generation system To includes an image generation system having an image acquisition unit to acquire an image, an image generation unit to generate, from the acquired image, a plurality of images with different resolution and brightness, and an image synthesis unit to synthesize the generated images.

Image generation apparatus and method for generating plurality of images with different resolution and/or brightness from single image

Image coding method and apparatus using spatial predictive coding of chrominance and image decoding method apparatus

An image display device capable of supporting brightness enhancement and power control and a method thereof, in which the brightness and contrast are enhanced and the power of a light source is controlled in accordance with the image characteristic. In the image display method, a parameter representative of an input image is calculated from a histogram of the input image, a model corresponding to the input image is selected from a plurality of representative models by analyzing the parameter, and then a brightness controlling function matched with the selected model is selected. The size of each component of a pixel constituting the input image is controlled using the brightness controlling function, and the output image of the pixel whose component size has been controlled is displayed.

Image display device capable of supporting brightness enhancement and power control and method thereof

Provided are an image brightness controlling apparatus and method, and an adaptive brightness controlling apparatus and method based on the brightness degree and/or brightness range of an image. The image brightness controlling apparatus includes a brightness increment arithmetic unit for outputting a brightness increment for a pixel, and an individual component brightness increment arithmetic unit for outputting the brightness increments of individual components constituting the pixel in response to the brightness increment for a pixel. The individual component brightness increment arithmetic unit multiplies the brightness increment of the pixel by each of the unit vectors of the components constituting the pixel to obtain the brightness increments of the individual components. The image brightness controlling apparatus further includes an adder for adding the components constituting the pixel to the brightness increments of the components. The image brightness controlling apparatus and the adaptive image brightness controlling apparatus can maintain the sense of color of an image (e.g., the hue or chroma of an image) while increasing the brightness degree and brightness range of an image.

Apparatus and method of controlling brightness of image

An image processing apparatus and method to reduce the deterioration of visibility of an image displayed on an image display device occurring under various lighting conditions when the brightness of ambient light is brighter than that of the image display device, and includes a sensor to sense the brightness of an external light, a unit to store a luminance-contrast model curve representing an optimal contrast value for a particular luminance for each brightness of the external light, a unit to determine a target luminance value according to the sensed brightness of the external light, to obtain a contrast value corresponding to the target luminance value with reference to the luminance-contrast model curve corresponding to the sensed brightness, and to adjust an input image to have the target luminance value and the obtained contrast value, and a unit to adjust the saturation of the adjusted input image according to the target luminance value and the obtained contrast value.

Image processing apparatus and method of enhancing visibility of displayed image

Image generation system, method, and medium, generating plurality of images with different resolution and brightness from single image

A bit-resolution-extension method is provided. The resolution extension method includes normalizing n-m upper bit values of adjacent pixels based on an upper n-m bit value of each pixel of a sample image, analyzing a statistical distribution of a lower m bit value of the reference pixel by patterns of a set consisting of the normalized adjacent pixels, generating a memory address from normalized adjacent pixel values of the sample image, saving a representative value of the lower m bits by patterns to the memory address as a result of the analysis, normalizing adjacent pixel values based on each pixel value of an input image, generating the memory address from the normalized adjacent pixel value of the input image, reading a representative value of the lower m bits saved in the memory address, and adding the read lower m bits to the input image pixel values as lower bits.

Method and apparatus for bit resolution extension

An image-processing method that converts a skin color of an image is provided, the method including detecting a face region of an image, when a face region is detected in the image, verifying whether the face region is a face by analyzing the characteristics of the face region, and when the region is determined to be a face, extracting a skin region in the image, and converting the skin color of the extracted skin region into a desired skin color.

Method and apparatus for converting skin color of image

Provided are an apparatus and a method for capturing images by applying different color filters to two pixel regions with IR blocking filters removed so that optical signals in the visible band and IR signals can be received. The apparatus includes a filter unit having a plurality of filters having different wavelength bands; a sensor unit sensing optical signals passing through the filters; and a signal-extraction unit extracting detailed optical signals in respective wavelength bands by using the difference between the sensed optical signals.

Apparatus and method for capturing images

Growing community of inventors

Yongin-si, South Korea

Chang-yeong Kim