摘要:
A method and apparatus for processing an ultrasound image are provided. The method includes determining similarities between a first two-dimensional (2D) ultrasound image, among 2D ultrasound images of a three-dimensional (3D) ultrasound image, and the 2D ultrasound images. The method further includes generating a predetermined number of similar ultrasound images with respect to the first 2D ultrasound image based on the similarities. The method further includes generating 3D volume data based on the predetermined number of the similar ultrasound images. The method further includes removing noise from the 3D volume data. The method further includes generating another 3D ultrasound image based on the noise-removed 3D volume data.
摘要:
A method of processing an ultrasound image includes generating a plurality of two-dimensional (2D) ultrasound images from three-dimensional (3D) ultrasound volume data of an object to be diagnosed, generating a plurality of tissue edge images of an edge of at least one tissue component in the object to be diagnosed based on values of a plurality of pixels forming each of the 2D ultrasound images generated from the 3D ultrasound volume data, and generating a 2D ultrasound image from which a noise component has been removed by discriminating the edge of the at least one tissue component from a position of the noise component based on a difference between a similarity of the edge of the at least one tissue component in the tissue edge images and a similarity of the noise component in the tissue edge images.
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:
Provided is a method and apparatus for modulating sub-channel pixels in a multi grayscale monochrome output apparatus, more particularly, a method and apparatus for modulating sub-channel pixels in a multi grayscale monochrome output apparatus that can represent a high grayscale input image on a low grayscale output apparatus through sub-channel pixel modulation.
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:
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 system, medium, and method calibrating gray data. The system calibrating gray data includes a transformation unit to transform red, green, and blue (RGB) data of a source device into transformed color data of a different color space using a color appearance model, and a calibration unit to map a chroma value of gray data, corresponding to the transformed color data, in the different color space to a predetermined value to generate calibrated color space data.
摘要:
A method and apparatus for dithering for multi-toning are provided. The apparatus includes a mask-pattern-generating unit that generates a mask pattern on R channel, G channel and B channel by selecting pattern values constituting the mask pattern on the channels based on randomly-determined seed values; a spatial-weight-determining unit that determines the weight for spatial dithering by using the pattern values and K-bit LSB data of the high-tone input image; and an output unit that outputs an M-bit image by applying the weight to M-bit input image data, exempting the K-bit LSB data, in a dithering apparatus for expressing an M+K bit high-tone input image in an M-bit low-tone output device.
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:
Provided is a method and apparatus to perform gamut mapping between heterogeneous devices, more particularly, a method and apparatus to map a color of a device to an identical or visually and sensually preferable color of another device having a different color gamut. The method includes adjusting lightness of a color of a source device by scaling to match a lightness range of the source device with a lightness range of a destination device; modifying the adjusted lightness of the color of the source device by adjusting a color gamut of the source device to a color gamut of the destination device; and to map the modified color of the source device to a color in the color gamut of the destination device.