Abstract: A method of reducing noise in an input image by setting, as a local window among color pixels included in the input image, a target pixel and neighboring pixels adjacent to the target pixel, determining color pixel values for the target pixel and each of the neighboring pixels included in the local window, generating local color average values are generated by averaging, color by color, the color pixel values, generating offset color pixel values by converting the color pixel values of the target pixel and the neighboring pixels based on the local color average values, and generating a compensated color pixel value of the target pixel by adjusting the color pixel value of the target pixel based on the offset color pixel values.

Abstract: A demosaicing method for an input mosaic image includes: obtaining an input image, for each sub target pixel, estimating a main edge direction based on main color pixel values; determining the main edge direction by performing edge enhancement based on the input mosaic image; generating a main color demosaiced image by performing a main interpolation based on the main edge direction to generate interpolated main color pixel values corresponding to the sub target pixels; and generating a first sub color demosaiced image and a second sub color demosaiced image by performing a sub interpolation to generate interpolated first sub color pixel values and interpolated second sub color pixel values for the sub target pixels and for main target pixels corresponding to the main color pixel values.

Abstract: An image signal processor includes a noise reduction circuit, a high dynamic range (HDR) circuit and post-processing circuit. The noise reduction circuit performs noise reduction operation on a plurality of exposure noise images each respectively corresponding to one of a plurality of brightness levels to generate a plurality of exposure clean images in a first operation mode and performs the noise reduction operation on a single noise image corresponding to one brightness level to generate a single clean image in a second operation mode. The HDR circuit merges the plurality of exposure clean images to generate an HDR image in the first operation mode. The post-processing circuit generates an output image by processing the HDR image or the single clean image.

Abstract: A method of reducing noise in an input image by setting, as a local window among color pixels included in the input image, a target pixel and neighboring pixels adjacent to the target pixel, determining color pixel values for the target pixel and each of the neighboring pixels included in the local window, generating local color average values are generated by averaging, color by color, the color pixel values, generating offset color pixel values by converting the color pixel values of the target pixel and the neighboring pixels based on the local color average values, and generating a compensated color pixel value of the target pixel by adjusting the color pixel value of the target pixel based on the offset color pixel values.

Abstract: A method of reducing noise in an input image by setting, as a local window among color pixels included in the input image, a target pixel and neighboring pixels adjacent to the target pixel, determining color pixel values for the target pixel and each of the neighboring pixels included in the local window, generating local color average values are generated by averaging, color by color, the color pixel values, generating offset color pixel values by converting the color pixel values of the target pixel and the neighboring pixels based on the local color average values, and generating a compensated color pixel value of the target pixel by adjusting the color pixel value of the target pixel based on the offset color pixel values.

Abstract: An image processing device includes; an image sensor including pixels arranged in a non-Bayer pattern and configured to generate non-Bayer pattern image data in response to electrical signals generated by the pixels, and an image signal processor configured to determine an indexing value indicating a color of a target pixel among the pixels and directly process the non-Bayer pattern image data in response to the indexing value.

Abstract: A dish washer includes: a tub defining a washing space, a spray module disposed inside the tub and configured to spray water to the washing space, a sump configured to store water, a washing pump configured to supply the water stored in the sump to the spray module, and an air jet generator disposed below a bottom surface of the tub and configured to receive a portion of the water discharged from the washing pump to generate air bubbles in the water and discharge the water having air bubbles to the washing space. The air jet generator includes an air pulverizing pipe including a first pipe providing a cross-sectional area reducing in a water flowing direction, a second pipe providing a cross-sectional area increasing in the water flowing direction, and an air tab disposed at an upper portion of the second pipe.

Abstract: A method of reducing noise in an input image by setting, as a local window among color pixels included in the input image, a target pixel and neighboring pixels adjacent to the target pixel, determining color pixel values for the target pixel and each of the neighboring pixels included in the local window, generating local color average values are generated by averaging, color by color, the color pixel values, generating offset color pixel values by converting the color pixel values of the target pixel and the neighboring pixels based on the local color average values, and generating a compensated color pixel value of the target pixel by adjusting the color pixel value of the target pixel based on the offset color pixel values.

Abstract: A dishwasher includes a tub in which tableware is stored; a washing nozzle which is installed in the tub and sprays washing water; a washing pump which pumps the washing water to the washing nozzle; a sump in which the washing water is stored; and an air jet generator which is mounted in the tub, and supplies air to the washing water to contain an air bubble; wherein the air jet generator comprises: an air jet nozzle which sprays the washing water containing the air bubble into the tub; a discharge port which discharges the washing water containing the air bubble to the air jet nozzle; and a cap which surrounds at least a portion of the discharge port exposed in the tub.

Abstract: The present disclosure relates to an ultrasound therapy device using high-intensity focused ultrasound (HIFU) and a control method thereof. The ultrasound therapy device comprises: an array type HIFU converter having a plurality of HIFU conversion elements; and a control unit for performing a control to treat tissues in a focusing area by selecting and driving some of the HIFU conversion elements of the array type HIFU converter and irradiating ultrasound signals to an object through the driven active conversion elements to generate heat energy, wherein, after an elapse of a predetermined time period, the control unit drives a combination of other conversion elements as new active conversion elements in replacement of the active conversion elements.

Abstract: A dishwasher includes: a tub defining a space that is configured to receive a target object to be washed, a sump disposed below the tub and configured to receive water, a pump connected to the sump and configured to move the water in the sump to the space of the tub, an air jet generator configured to receive a part of the water discharged from the pump and configured generate air bubbles in the water, and a control valve configured to control a flow of the water to the air jet generator.

Abstract: A dish washer includes a tub defining a washing space, a base disposed below the tub and defining a space below the tub, a sump disposed in the space defined by the base and configured to store water, a washing pump disposed in the space defined by the base and configured to supply the water stored in the sump to the washing space, and an air jet generator having a venturi shape including an air inlet provided on one side, an inlet having a downward opening, and an outlet provided above a bottom surface of the tub. The air jet generator further includes a tub mounting portion fixing an upper portion of the air jet generator to the bottom surface of the tub and a base fixing portion disposed below the tub mounting portion, the base fixing portion coupling a lower portion of the air jet generator to the base.

Abstract: A dishwasher includes a case, injection arms, a sump including an injection flow path coupling portion, a washing pump for supplying washing water stored in the sump to the injection arms, and a switching valve including a flow path distributor for distributing washing water to injection arms. The flow path distributor defines distribution holes. When the flow path distributor is in a reference position, the distribution holes are positioned so that all of the injection arm supply holes are opened, and, when the flow path distributor is rotated by a first angle from a reference position, the distribution holes are positioned so that any one of the injection arm supply holes is opened. The injection flow path coupling portion includes a plurality of support ribs protruded toward the flow path distributor and including a support rib corresponding to at least one of the distribution holes.

Abstract: A dish washer includes a tub defining a washing space, a base disposed below the tub and defining a space below the tub, a sump disposed in the space defined by the base and configured to store water, a washing pump disposed in the space defined by the base and configured to supply the water stored in the sump to the washing space, and an air jet generator having a venturi shape including an air inlet provided on one side, an inlet having a downward opening, and an outlet provided above a bottom surface of the tub. The air jet generator further includes a tub mounting portion fixing an upper portion of the air jet generator to the bottom surface of the tub and a base fixing portion disposed below the tub mounting portion, the base fixing portion coupling a lower portion of the air jet generator to the base.

Abstract: A dish washer includes: a tub defining a washing space, a spray module disposed inside the tub and configured to spray water to the washing space, a sump configured to store water, a washing pump configured to supply the water stored in the sump to the spray module, and an air jet generator disposed below a bottom surface of the tub and configured to receive a portion of the water discharged from the washing pump to generate air bubbles in the water and discharge the water having air bubbles to the washing space. The air jet generator includes an air pulverizing pipe including a first pipe providing a cross-sectional area reducing in a water flowing direction, a second pipe providing a cross-sectional area increasing in the water flowing direction, and an air tab disposed at an upper portion of the second pipe.

Abstract: A dishwasher includes a case, injection arms, a sump including an injection flow path coupling portion, a washing pump for supplying washing water stored in the sump to the injection arms, and a switching valve including a flow path distributor for distributing washing water to injection arms. The flow path distributor defines distribution holes. When the flow path distributor is in a reference position, the distribution holes are positioned so that all of the injection arm supply holes are opened, and, when the flow path distributor is rotated by a first angle from a reference position, the distribution holes are positioned so that any one of the injection arm supply holes is opened. The injection flow path coupling portion includes a plurality of support ribs protruded toward the flow path distributor and including a support rib corresponding to at least one of the distribution holes.

Abstract: A dishwasher includes a tub in which tableware is stored; a washing nozzle which is installed in the tub and sprays washing water; a washing pump which pumps the washing water to the washing nozzle; a sump in which the washing water is stored; and an air jet generator which is mounted in the tub, and supplies air to the washing water to contain an air bubble; wherein the air jet generator comprises: an air jet nozzle which sprays the washing water containing the air bubble into the tub; a discharge port which discharges the washing water containing the air bubble to the air jet nozzle; and a cap which surrounds at least a portion of the discharge port exposed in the tub.

Abstract: Disclosed is a dishwasher comprising a cabinet, a tub defining a washing space, a door rotatably coupled to a front portion of the tub, an outlet duct provided in the door and exhausting internal air of the tub outside, an inlet duct connected to the outlet duct and sucking and blowing the internal air of the tub toward the outlet duct, a hole cover selectively opening and closing an air inlet hole provided in an entrance of the inlet duct, and a foreign substance intake preventing chamber provided under the air inlet hole and inclined downwards toward a rear surface of the door, the foreign substance intake preventing chamber preventing foreign substances from becoming drawn into the air inlet hole.

Abstract: The present disclosure relates to an ultrasound therapy device using high-intensity focused ultrasound (HIFU) and a control method thereof. The ultrasound therapy device comprises: an array type HIFU converter having a plurality of HIFU conversion elements; and a control unit for performing a control to treat tissues in a focusing area by selecting and driving some of the HIFU conversion elements of the array type HIFU converter and irradiating ultrasound signals to an object through the driven active conversion elements to generate heat energy, wherein, after an elapse of a predetermined time period, the control unit drives a combination of other conversion elements as new active conversion elements in replacement of the active conversion elements.

Abstract: Disclosed is a dishwasher comprising a cabinet, a tub defining a washing space, a door rotatably coupled to a front portion of the tub, an outlet duct provided in the door and exhausting internal air of the tub outside, an inlet duct connected to the outlet duct and sucking and blowing the internal air of the tub toward the outlet duct, a hole cover selectively opening and closing an air inlet hole provided in an entrance of the inlet duct, and a foreign substance intake preventing chamber provided under the air inlet hole and inclined downwards toward a rear surface of the door, the foreign substance intake preventing chamber preventing foreign substances from becoming drawn into the air inlet hole.