Abstract: An image capturing device and method, with the image capturing device including a lens, a filter unit, and an image sensor unit. The filter unit has a first filter region which limits incident light, having passed through the lens, to primary color light, a second filter region which passes the incident light in all wavelength ranges, and a third filter region which limits light in an infrared wavelength range. The image sensor unit senses an image using light passing through the filter unit. Thereby, the ability to sense an image can be improved.

Abstract: A method and apparatus for reducing color error bands occurring due to the abrupt difference in brightness between sub-pixels. In the method of displaying an image signal of an apparatus for displaying the image signal, the apparatus includes a plurality of pixels each having at least two sub-pixels, and the method includes detecting pixels that belong to an edge of an input image, changing pixel values of the sub-pixels constituting the pixels belonging to the edge, and driving a display in accordance with the new pixel value.

Abstract: An image compensation apparatus and method is provided. The image compensation apparatus includes a power control module which controls a light emitting unit according to a power control input signal input thereto by a user and provides power reduction information corresponding to the power control input signal, a control parameter generation module which determines a threshold based on the power reduction information, an image compensation module which divides input image information according to the threshold and converts the input image information according to image control information, and an output module which outputs image information obtained by the conversion performed by the image compensation module.

Abstract: An apparatus and a method are provided for reducing color error in a display having a sub-pixel structure. The method includes: setting at least two directions based on a sub-pixel to be displayed and calculating differences of brightness values of at least two pixels or sub-pixels positioned in the set directions; selecting one of at least two of the differences and determining a direction indicated by the selected difference; determining at least one sub-pixel or pixel neighboring the sub-pixel to be displayed in consideration of the determined direction; and filtering a brightness value of the sub-pixel to be displayed and a brightness value of the determined at least one sub-pixel or pixel and re-assigning the filtered brightness value to the sub-pixel to be displayed.

Abstract: An apparatus, method, and medium for generating an image is provided. The apparatus includes an optical module, a filter module which includes a wide-band filter area that allows transmission of optical signals within a wavelength band corresponding to a color of a predetermined color, a narrow-band filter area that allows transmission of optical signals within a wavelength band corresponding to the predetermined color, and an all-pass filter area that allows transmission of optical signals in all wavelength bands, and an image generation module which generates an image by processing optical signals that transmit through the filter module, wherein the image generation module applies different weights to optical signals according to which of the wide-band filter area, the narrow-band filter area, and the all-pass filter area the optical signals respectively transmit through.

Abstract: A system, method and medium correcting brightness of an image, and more particularly, a system, method and medium correcting brightness of an acquired image to achieve a target brightness. The system includes an initial brightness sensing unit to sense an initial brightness of the image from an initial exposure, and an image correction unit to correct the brightness of the sensed initial image toward a target brightness using predetermined brightness information corresponding to a sensed brightness environment of the image.

Abstract: Provided is an apparatus and method for enhancing an image by optimizing exposure and grayscale. The apparatus includes a component-extracting unit separating luminance signals and color signals from input image signals; a luminance-enhancing unit enhancing the luminance of the luminance signals; and a contrast-enhancing unit dividing the luminance signal having the enhanced luminance into one or more local areas, and enhancing the contrast of the luminance signal having the enhanced luminance for each local area.

Abstract: A system, medium, and method with noise reducing adaptive saturation adjustment. The system with adaptive saturation adjustment includes a luminance value extracting unit extracting luminance values of an input image, and a saturation adjusting unit adjusting saturation components of the input image on the basis of the extracted luminance values.

Abstract: An apparatus and method for obtaining a three-dimensional image. A first multi-view image may be generated using patterned light of infrared light, and a second multi-view image may be generated using non-patterned light of visible light. A first depth image may be obtained from the first multi-view image, and a second depth image may be obtained from the second multi-view image. Then, stereo matching may be performed on the first depth image and the second depth image to generate a final depth image.

Abstract: There is provided a method of and an apparatus for generating high sensitivity images in a low light level environment, the method including correcting an image acquired through short-time exposure in a low light level environment to an image corresponding to a reference exposure time defined for the low light level environment, the corrected image including a plurality of channels, detecting respective black levels for each of the channels, the detecting of the respective black levels being based on a black level intensity for the reference exposure time, adjusting the respective black levels for each of the channels of the corrected image to respective target black levels for each of the channels, and aligning a value of each of the channels using the respective target black levels.

Abstract: Provided are an image fusion apparatus and method for combining multi-exposure images. The image fusion apparatus and method may generate a sharp high-resolution high dynamic image while fully representing detail in an over-exposed region and an under-exposed region of the image without contrast degradation.

Abstract: A method, medium and system processing an image signal. The system includes an edge detection module to detect a pixel belonging to an edge in an input image, a period determination module to determine a period of change in pixel values based on a first value of the pixel belonging to the edge and a second value of a pixel that is adjacent to the pixel belonging to the edge, and a signal correction module to correct one or more sub-pixels of the pixel belonging to the edge using a weight allocated according to a result of the determination performed by the period determination module.

Abstract: A color filter array and image obtaining apparatus are provided. The color filter array includes at least one unit cell having a predetermined array of pixels, and the predetermined array including the color pixels and transparent pixels. Each 2×2 array of pixels in the unit cell includes one transparent pixel and three color pixels and at least one transparent pixel is located in each row or in each column of the unit cell. The image obtaining apparatus generate an electrical image signal corresponding to sensed light that has passed through the color filter array.

Abstract: A method of converting image signals for a display device including six-color subpixels is provided, which includes: classifying three-color input image signals into maximum, middle, and minimum; decomposing the classified signals into six-color components; determining a maximum among the six-color components; calculating a scaling factor; and extracting six-color output signals.

Abstract: A color filter array may include a plurality of pixels and control a pass wavelength band of the plurality of pixels using a dichroic filter that passes light of a specific wavelength range and blocks the rest of wavelengths. The pass wavelength band of the plurality of pixels may be adjusted according to a plurality of thicknesses of the dichroic filter. The dichroic filter may be formed by repeatedly forming a layer of titanium dioxide (TiO2) and a layer of silicon dioxide (SiO2).

Abstract: An apparatus and method for correcting an edge are provided. The apparatus includes a luminance corrector obtaining a corrected luminance value of a center pixel in a first window of a predetermined size, the first window located at the edge of the input image, by using weights assigned according to a luminance difference between the center pixel and each of a plurality of adjacent pixels in the first window or a predetermined difference of variance (DoV) value representing the degree of uniformity in the luminance between the center pixel and each of the plurality of adjacent pixels; and a chrominance corrector correcting a chrominance value of the edge using weights assigned according to a luminance difference between a center pixel and a plurality of adjacent pixels to the center pixel in a second window of a predetermined size based on the corrected luminance value.

Abstract: An image processing apparatus and image processing method capable of providing a high-resolution image for a desired position by use of light field data are provided. The image processing apparatus may determine a position of a portion of light field data among light field data corresponding to a scene, according to a desired focusing position, generate a refocusing first image by use of the position determined portion of light field data, generate a high-resolution image having a predetermined setting ratio relative to the refocusing first image, determine a ratio for local synthesis between the high-resolution image and an enlarged image of the refocusing first image by use of a similarity with respect to the position determined portion of light field data, and generate a synthesized image by synthesizing the high-resolution image and the enlarged image of the refocusing first image according to the local synthesis ratio.

Abstract: An apparatus and method for generating a high ISO image are provided. To this end, an image may be divided into a first image having a low frequency component and a second image having a high frequency component. A brightness of the first image may be changed, and details of the second image may be restored. The first image having the changed brightness and the second image having the restored details may be synthesized.

Abstract: An image display apparatus and method are provided. The image display apparatus includes an external light detection module which detects an intensity of external illumination; a storage module which stores a plurality of light emitting unit control values; and a control module which selectively performs, according to a result of a determination, a lightness compensation operation for compensating a lightness of a light emitting unit and a visibility adjustment operation for adjusting the visibility of the original input image. The method includes detecting an intensity of external illumination; determining whether a visibility of an original input image can be ensured according to an input light emitting control value and the detected external illumination intensity; and selectively performing, according to the determination, a lightness compensation operation for compensating a lightness of a light emitting unit and a visibility adjustment operation for adjusting the visibility of the original input image.

Abstract: A technology of acquiring and processing light field data for images is provided. A light field data acquisition apparatus includes a modulator with an attenuation pattern to spatially modulate a 4D light field for an image, and a sensor to acquire 2D signals of the spatially modulated 4D light field. By utilizing the attenuation pattern of the modulator, more spatial data may be acquired in a low angular frequency region than that acquired in a high angular frequency region.