Abstract: The present invention relates to a composition for textile softener comprising a cationic surfactant, the ratio of which C7-C21 alkyl substituents analyzed by HLPC (high pressure liquid chromatography) or GC (gas chromatography) is 0.6 or more, as an effective ingredient, and a sheet for textile softener comprising the same. Since the present composition for textile softener has excellent dissolving and dispersing effect even in low temperature water, the sheet comprising this composition is used at a rinse time during washing procedures to represent excellent anti-static effect and textile softening effect to textiles and clothes.

Abstract: An image processing apparatus may include an image frame determiner to determine one standard image frame and at least one reference image frame using light field data about a scene, a point spread function determiner to determine a point spread function based on sub-pixel displacement between the standard image frame and the at least one reference image frame, an image interpolator to interpolate the standard image frame into a high-resolution standard image frame having a higher resolution than the standard image frame, and an image restorer to restore a high-resolution image by updating the high-resolution standard image frame using the generated high-resolution standard image frame, the point spread function, and the at least one reference image frame.

Abstract: An apparatus for capturing an image of a scene including an image capturing unit and a data processing unit. The image capturing unit may generate light field data and may include a first optical having at least two portions with at least two different fields of view, a sensing unit having a plurality of photosensors, and a second optical unit interposed between the first optical unit and the sensing unit. The data processing unit may perform at least one of change of view of the image and refocusing the generated light field data. The sensing unit may be configured to obtain an image with at least two magnifications corresponding to regions of the scene.

Abstract: An apparatus and method for capturing digital images are provided. The digital capturing apparatus includes an image pickup unit obtaining light field data to change a view of a captured image and refocus the captured image, and a data processor generating a refocusing image using the light field data, wherein the image pickup unit performs optical modulation on light beams to obtain light field data of the modulated light beams so that the light beams are identified when two or more of the light beams overlap, and the data processor demodulates the light field data to obtain light field data of the light beams not subjected to the optical modulation.

Abstract: Disclosed is an image capturing lens system. The image capturing lens system includes an image capturing lens group having a plurality of lenses and a phase mask located in the image capturing lens group. The phase mask may satisfy phase mask functions that are defined with respect to x and y axes such that a modulation transfer function (MTF) of light is uniformized.

Abstract: Disclosed are a functional sheet including a first substrate applied or impregnated with an active ingredient, which is to be used in low temperature water at 0° C. to 30° C., wherein the active ingredient is to be physically or chemically adsorbed on a second substrate in the low temperature water, and remain on the second substrate after removal of the low temperature water, as the first substrate, a substrate having a water contact angle of 90° or less is used so that 70% or more of the active ingredient applied or impregnated to the first substrate can be released in the low temperature water at 0° C. to 30° C. within 5 minutes; and another functional sheet including a first substrate applied or impregnated with an active ingredient, which is to be used in low temperature water at 0° C. to 30° C.

Abstract: An apparatus and method for digital auto-focus are provided. The apparatus includes a local block generator generating a local block from an input image, a distance-estimation unit estimating distances of each image of the local block, a focal-distance-setting unit setting one of the estimated distances of the local block image as a focal distance of the input image, a reblurred-image generator generating a reblurred image from the local block image, a reconstructed image generator generating an in-focus image focused to the estimated distances from the local block image, a local-block-image-matching unit matching the reblurred image to the in-focus image with different weight values based on the set focal distance, and a final-image generator generating a final image by summing the matched local block images.

Abstract: A method and apparatus for restoring an image. The method includes extracting predetermined channels from image data including a plurality of channels; and restoring the extracted channels using a first filter.

Abstract: An apparatus and method for restoring an image are provided. The apparatus includes an edge-strength-detection module which detects an R-channel edge strength, a G-channel edge strength and a B-channel edge strength from an input image and generates an R-channel edge map, a G-channel edge map and a B-channel edge map based on the R-channel edge strength, the G-channel edge strength and the B-channel edge strength; an edge-strength-compensation module which compensates for the R-channel edge strength and the B-channel edge strength based on the G-channel edge strength; a valid-value-generation module which generates a valid value indicating a blur level based on the compensated R-channel edge strength and the compensated B-channel edge strength; a point spread function (PSF) estimation module which estimates a PSF corresponding to the valid value; and an image-restoration module which restores the input image using the PSF.

Abstract: Provided is an image restoration method and apparatus, in which an image is restored by estimating the blur level of the image. The image restoration apparatus includes a block generation module which generates a plurality of overlapping blocks for an input image; a blur estimation module which generates a plurality of unit step responses for a current overlapping block from the overlapping blocks; a feature-map generation module which generates a feature map for the current overlapping block based on the unit step responses of the current overlapping block; and a filter application module which deblurs the current overlapping block by using a deconvolution filter to filter the feature map of the current overlapping block.

Abstract: Provided are a method and apparatus for correcting chromatic aberration of an image, the method and apparatus used in an image processing apparatus for an image pickup device or a display image processing apparatus. The chromatic aberration correction apparatus includes a chromatic aberration region sensing unit analyzing a luminance signal of an input image and sensing a region having chromatic aberration; a color gradient calculation unit calculating a first weight, which indicates a degree of chromatic aberration, based on a difference between gradients of color components of the input image; a luminance gradient calculation unit calculating a second weight, which indicates the degree of chromatic aberration, based on gradients of luminance components of the input image; and a chrominance correction unit correcting chrominance of a pixel of the input image, which is included in the sensed region, based on a value obtained by multiplying the first weight by the second weight.

Abstract: Provided are an apparatus for and method of restoring an image, by which when the focus of an image is blurred, an image can be restored using the characteristic of a lens. The apparatus includes: an estimation unit estimating field information and focus blur of an input signal, a weight applying unit applying a plurality of weights according to the optical characteristic of a lens to the input image, and a generation unit generating an output image using the input image to which the plurality of weights are applied.

Abstract: The present invention relates to an apparatus and method of correcting a chromatic aberration of an image, and in particular, to an apparatus and method of correcting a chromatic aberration of an image that can correct a general chromatic aberration of an edge or an extreme chromatic aberration, such as a purple fringe, in an image. An apparatus for correcting a chromatic aberration of an image according to an embodiment of the present invention includes an edge detection unit detecting an edge of an input image, a level calculation unit calculating a chromatic aberration level of the detected edge, and a correction unit correcting the edge using different weighted values according to the calculated chromatic aberration level.