| Patent application number | Description | Published |
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| 20100002092 | METHOD AND APPARATUS FOR PROCESSING CONTINUOUS IMAGE DATA CAPTURED BY DIGITAL IMAGE PROCESSOR - Provided are a method and apparatus for processing continuous image data captured by a digital image processor which encodes/decodes a plurality of continuous images in a Moving Picture Expert Group (MPEG) format. The apparatus includes a digital signal processing unit which compresses the continuous image data into video data in consideration of correlations between neighboring images, or converts the compressed video data into displayable data. | 01-07-2010 |
| 20100026856 | IMAGE PROCESSING METHOD AND APPARATUS, AND A RECORDING MEDIUM STORING PROGRAM TO EXECUTE THE METHOD - An image processing method, apparatus and program for reducing noise in an image. The apparatus includes a low-frequency component extraction unit extracting a first low-frequency component from first image data, a noise reduction unit obtaining a second low-frequency component by applying a noise reduction filter to the first low-frequency component or data obtained by processing the first low-frequency component, a high-frequency component extraction unit extracting a first high-frequency component from the first images data and either one of the second low-frequency component and data obtained by processing the second low-frequency component, and the first image data, a high-frequency component tuning unit obtaining a second high-frequency component by tuning the first high-frequency component, and an image synthesis unit obtaining second image data by combining either one of the second low-frequency component and the data obtained by processing the second low-frequency component with the second high-frequency component. | 02-04-2010 |
| 20100027891 | APPARATUS, METHOD, AND RECORDING MEDIUM FOR REDUCED NOISE IMAGE PROCESSING - Provided are an image processing method and apparatus for effectively reducing noise in an image, and a recording medium storing a program for executing the method. The image processing apparatus includes a noise reduction unit configured to apply a noise reduction filter to first image data to obtain second image data; a first edge data obtaining unit configured to calculate edge data lost in the second image data compared with the first image data to obtain the first edge data; and a first synthesis unit configured to tune the first edge data and calculate third image data from the second image data and the tuned first edge data. | 02-04-2010 |
| 20100123821 | METHOD AND APPARATUS FOR CONTROLLING LIGHT EMISSION OF FLASH AND DIGITAL PHOTOGRAPHING APPARATUS USING THE METHOD AND APPARATUS - Provided is a method and apparatus for controlling light emission of a flash. The method includes: during a pre-emission flash, exposing an image sensor by opening a global shutter; measuring light reflected from a subject by using the image sensor, and calculating a flash emission time of the flash based on the measured light; and controlling the flash to fire a main-emission flash for the calculated flash emission time. Accordingly, a partial exposure during a pre-emission flash, even in an image sensor that operates by using a rolling shutter, can be prevented. | 05-20-2010 |
| 20100128147 | IMAGE PROCESSING METHOD AND APPARATUS FOR REDUCING NOISE IN AN IMAGE - An image processing method and apparatus may effectively reduce noise in an image which represents an object photographed by a photographing apparatus. The method may include extracting a first low-frequency component and a first high-frequency component from first image data, and applying a noise reduction filter to the first low-frequency component and to the first high-frequency component to obtain a second low-frequency component and a second high-frequency component, respectively. The method may also include obtaining edge data from the second low-frequency component, and amplifying a portion of the second high-frequency component that corresponds to the edge data to obtain a third high-frequency component. The method may further include combining the second low-frequency component with the third high-frequency component to obtain second image data, and controlling the second image data representing the photographed object to be output to at least one of a storage medium and a display unit. | 05-27-2010 |
| 20100165180 | DIGITAL CAMERA AND METHOD OF CONTROLLING THE SAME - A digital camera may include a flash unit configured to emit light to illuminate a subject using a preliminary light emission operation followed by a main light emission operation, an image sensor having a pixel array arranged along a plurality of lines, and a digital signal processor. The image sensor may be configured to convert an image of the subject into an electrical signal by reading an image frame corresponding to one screen using the pixel array during the preliminary light emission operation and reading another image frame corresponding to one screen during the main light emission operation. The digital signal processor may be configured to control the light emitting operation of the flash unit to maintain the preliminary light emission from a start to an end of the reading of one image frame. | 07-01-2010 |
| 20100232778 | METHOD AND APPARATUS FOR CONTROLLING FLASH EMISSION - In a method and apparatus for controlling flash emission, the brightness during pre-emission may be accurately measured even when operating an image sensor using a rolling shutter. When pre-emission of flash light is performed, partial exposure during the pre-emission when operating an image sensor using a rolling shutter may be prevented by synchronizing an exposure time of the image sensor to a pre-emission time. | 09-16-2010 |
| Patent application number | Description | Published |
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| 20090129701 | Digital photographing apparatus, method of controlling the same, and recording medium having recorded thereon program for executing the method - A digital photographing apparatus, a method of controlling the digital photographing apparatus, and a recording medium having recorded thereon a program for executing the method are provided. The digital photographing apparatus includes: a data obtainer that obtains long exposure first data about a first image of a subject and short exposure second data about a second image of the subject; a third data generator that generates third data about a third image by warping the first data so that the subject of the first image and the subject of the second image match each other; and a second data amender which, when a predetermined condition is satisfied, amends the second data so that the second data value S(x, y) at the pixel (x, y) of the second image has the third data value W(x, y) at the pixel (x, y) of the third image. | 05-21-2009 |
| 20090136144 | METHOD AND APPARATUS FOR CONTROLLING A COMPRESSION RATE FOR A FILE - Provided are a method and apparatus for determining a target compression rate for a file, which may be calculated using a predetermined algorithm based on a target file size. | 05-28-2009 |
| 20090174790 | Digital photographing apparatus and method for controlling the same - A digital photographing apparatus which, when operating in a manual mode for externally manipulating and setting photographing variables, determines when a photo is to be taken, and if photographing conditions are changed from those which occurred when photographing variables were set, notifies a user of the change so that a photo can be taken with desired photographic variables. A method of controlling a digital photographing apparatus to perform these operations is also provided. | 07-09-2009 |
| 20090180703 | Method of obtaining variance data or standard deviation data for reducing noise, and digital photographing apparatus including recording medium storing variance data or standard deviation data for reducing noise - A method of obtaining variance data or standard deviation data for efficiently reducing noise in an image is provided. The method includes (a) dividing an image into a plurality of clusters; (b) checking frequency data of data values of pixels included in each cluster; (c) obtaining a weighted average of the data values of the pixels included in each cluster; (d) obtaining a variance or a standard deviation of the data values of the pixels included in each cluster by using the weighted average; and (e) obtaining variance data or standard deviation data in accordance with weighted averages by using the weighted average and the variance or the standard deviation in each cluster. A digital photographing apparatus is also provided that includes a recording medium storing variance data or standard deviation data for efficiently reducing noise in an image which is obtained in accordance with the above method. | 07-16-2009 |
| 20090207258 | Digital photographing apparatus, method of controlling the digital photographing apparatus, and recording medium having recorded thereon a program for executing the method - Provided are a digital photographing apparatus by which a clear image may be obtained despite shaking of the digital photographing apparatus during a photographing operation, a method of controlling the digital photographing apparatus, and a recording medium having recorded thereon a program for executing the method. The digital photographing apparatus includes a data obtaining unit for obtaining first data of a first image captured using a long time exposure and obtaining second data of a second image captured using a short time exposure; a motion vector extraction unit for extracting a motion vector between a position of a subject in the first image and the position of the subject in the second image; a blurring determination unit for determining whether blurring exists in the first image; a subject location determination unit for determining whether the position of the subject in the first image is identical to the position of the subject in the second image; and a data combination unit for creating data having luminance data of the second data and having composite color data obtained by combining color data of the first and second data, as ultimate data. | 08-20-2009 |
