摘要:
A method and apparatus for image reproduction using output prediction is provided. The method includes converting color information of a first color space input to an image display device into color information of a second color space in which a sampled viewing environment of an output object by a printing device has been reflected; selecting a specific color distortion region according to a difference between an actual viewing environment and the sampled viewing environment of the converted second color space, and compensating a color component of the selected specific color distortion region; and converting corrected color information of the second color space which has been created through the compensation into corrected color information of the first color space, and outputting the corrected color information of the first color space through the image display device.
摘要:
A gamut mapping apparatus includes a parameter calculating unit calculating parameters for segmenting a gamut of an output device using gamut information about first and second input color spaces; a gamut segmenting unit segmenting the gamut of the output device into a core gamut and a surround gamut using the parameters; and a gamut mapping unit performing gamut mapping on image data present into the first and second input color spaces to the core gamut and the surround gamut according to a predetermined mapping method. The gamut mapping apparatus and method enable accurate reproduction of image data having components having undergone total internal reflection falling outside the scRGB color space or high chroma components in the scRGB color space.
摘要:
An apparatus and method are provided for converting a preference color, in which the color space of a preference color selected by a user is divided into a plurality of sub-regions according to color distribution characteristics, and the colors of the respective regions of an input image corresponding to the user's preference color are converted into colors of proper sub-regions among the plurality of sub-regions. The apparatus for converting a preference color includes an image extraction unit which extracts at least one image region that includes a preference color from an input image, an image analysis unit which analyzes color distribution characteristics of the image region, a color-space extraction unit which extracts a divided space corresponding to the color distribution characteristics from divided spaces included in a color space of the preference color, and a color conversion unit which converts a color of the image region by using a color conversion model corresponding to the extracted divided space.
摘要:
Apparatuses and methods for performing gamut compression. A gamut mapping apparatus of the invention includes a gamut analyzing unit for analyzing the gamut of a source device and the gamut of a target device using a gamut information profile; a gamut compressing unit for mapping original images of the source device within the gamut of the target device by using the analytical information on the gamuts; and a gamut extending unit for increasing the chroma of predetermined images among the compressed original images on the basis of the analytical information on the gamuts and the performance result of the gamut compressing unit.
摘要:
Provided are an apparatus and method for generating an image using a multi-channel filter. More particularly, provided are an apparatus and method for generating an image using a multi-channel filter, wherein images input into a plurality of image sensors are allowed to pass through different filters, each of which includes a plurality of channels, and segmented images passed through the filters are combined to produce a desired image. The apparatus includes a filter unit including a plurality of filters having different patterns with respect to a plurality of image channels and filtering images input into the filters, an image sensing unit including a plurality of image sensors sensing images filtered through the plurality of the filters, an interpolation unit calculating image channel values of pixels of the sensed images, and an image combination unit assigning the calculated image channel values to corresponding pixel positions to generate a single desired image.
摘要:
A color-management apparatus and method which can improve color reproducibility during color-gamut mapping of devices having different color gamuts are provided. The apparatus includes a transformation unit transforming a first color space of an original image supplied from a source device into a second color space, a computing unit computing a plurality of second parameters based on at least one among a plurality of first parameter defining the second color space, and a color-gamut mapping unit performing color-gamut mapping between the source device and a reproduction device reproducing an output image from the original image using the plurality of second parameters.
摘要:
An apparatus and method for image-adaptive color reproduction is provided. The apparatus includes an information-extraction unit, an image-compression unit and an image-information-reproduction unit. The information-extraction unit inputs image information of a first color space model, converts the input image information into image information of a second color space model, and extracts pixel frequency information of pixels belonging to a plurality of color regions by using the image information of the second color space model. The image compression unit inputs the image information of the first color space model, converts the input image information into the image information of the second color space model, and calculates compressed image information by compression-mapping the image information of the second color space model. The image information reproduction unit outputs final image information by using the pixel frequency information and the compressed image information.
摘要:
An apparatus and method are provided for reproducing an optimized preference color using candidate images and natural languages, in which user-oriented optimized picture quality can be provided through a printer. The apparatus includes a preference color-natural language information memory which stores characteristic information of a preference color mapped on a natural language, a candidate image provider module which provides candidate images having characteristic information applied to original images, and a candidate preference image input module which inputs one image, which satisfies a user's preference, among the candidate images.
摘要:
A method and apparatus that outputs an optimally-converted image using predefined data and color characteristics. The method includes: receiving the color characteristics; converting the received color characteristics into a range of lightness; converting the range of lightness and the received color characteristics into a gamut of lightness and chroma to be represented by the printer; and adaptively outputting the image according to the converted range of lightness and the received color characteristics.
摘要:
A multi-focal camera apparatus and methods and mediums for generating a focus-free image and an autofocus image using the multi-focal camera apparatus are provided. The multi-focal camera apparatus includes a lens module which comprises a plurality of lenses that concentrate light incident thereupon, and an image-sensor module which comprises a plurality of sensing zones respectively corresponding to the lenses, and obtains a plurality of images by converting beams of light that transmit through the lenses into electrical signals using the sensing zones, wherein the lenses have the same optical properties and are different distances apart from the respective sensing zones.