Patent application number | Description | Published |
20100002089 | DIGITAL PHOTOGRAPHING APPARATUSES FOR CONTROLLING HAND SHAKE CORRECTION AND METHODS OF CONTROLLING THE DIGITAL PHOTOGRAPHING APPARATUS - Provided are a digital photographing apparatuses and methods of controlling the same. The method includes: inputting previous preview image data; inputting current preview image data; comparing and determining a pixel value of the previous preview image data and a pixel value of the current preview image data; and controlling the operation of a hand shake correcting unit according to the comparison and determination result. Accordingly, the hand shake correcting unit is selectively turned off by easily detecting a case where hand shake correction is not necessary, such as a case where a tripod is used, thereby reducing power consumption. | 01-07-2010 |
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 |
20100034482 | METHOD AND APPARATUS FOR PROCESSING A DIGITAL IMAGE SIGNAL, AND A RECORDING MEDIUM HAVING RECORDED THEREON A PROGRAM FOR EXECUTING THE METHOD - A method and apparatus for processing a digital image signal to correct for the effect of hand tremble in a digital photographing apparatus, such as a digital camera or video recorder. The method and apparatus perform the operations of generating original image data, dividing the original image data into at least one block and generating processed image data in which an average of the original image data is calculated according to the block, and decreasing a first contribution of the original image data or increasing a second contribution of the processed image data, as a difference of pixels or blocks between the original image data and the processed image data nears to a boundary. | 02-11-2010 |
20100128141 | METHOD AND APPARATUS FOR DETERMINING SIMILARITY BETWEEN IMAGES - A method and apparatus for determining a similarity between an input image and a template image may determine the similarity by using a difference in histogram degree between the input image and the template image, in a reduced period of time, which increases efficiency. | 05-27-2010 |
20100128929 | IMAGE PROCESSING APPARATUS AND METHOD FOR TRACKING A LOCATION OF A TARGET SUBJECT - A digital image processing apparatus has a tracking function for tracking a location variation of a set tracking area on a plurality of frame images. The digital image processing apparatus includes a similarity calculation unit that calculates a similarity by varying a location of a template on one frame image. The similarity calculation unit calculates a second direction similarity by fixing a first direction location of the template in a first direction on the one frame image and by varying a second direction location of the template in a second direction which is perpendicular to the first direction, and then calculates a first direction similarity by fixing the second direction location of the template at a location where the second direction similarity is the highest and by varying the first direction location of the template in the first direction on the one frame image. | 05-27-2010 |
20100145232 | METHODS AND APPARATUSES FOR CORRECTING SPORT POSTURES CAPTURED BY A DIGITAL IMAGE PROCESSING APPARATUS - A sport posture correcting apparatus including a digital image processing apparatus configured to generate a series of image frames. The sport posture correcting apparatus may include a digital signal processing unit configured to set a region in one of the series of generated image frames. The digital signal processing unit may be configured to trace the set region in the series of generated frames to generate a tracing result. The digital signal processing unit may be configured to display the tracing result. | 06-10-2010 |
20100149367 | DIGITAL IMAGE SIGNAL PROCESSING APPARATUS AND METHOD OF DISPLAYING SCENE RECOGNITION - A method of displaying scene recognition of a digital image signal processing apparatus includes generating an input image, recognizing a scene of the input image, producing a frame image corresponding to the recognized scene, synthesizing the frame image and the input image to generate an output image, and displaying the output image on a display unit. | 06-17-2010 |
Patent application number | Description | Published |
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 |
20090161019 | Method and apparatus for removing color noise of image signal - A method and apparatus remove color noise of an image signal in which a distortion of a YCbCr color space caused by noise is corrected using correlations between color channels in the YCbCr color space of low frequency (LF) and high frequency (HF) components of an image signal while maintaining the HF component. The apparatus includes: a separator separating the image signal including a luminance signal and a chrominance signal into an LF component and an HF component; an LF noise remover removing noise of the LF component from the image signal; an HF noise remover applying a linear variation rate of the chrominance signal with regard to the luminance signal of the noiseless LF component to the HF component separated from the image signal and generating a new HF component; and a combiner combining the noiseless LF component and the new HF component. | 06-25-2009 |
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 |
Patent application number | Description | Published |
20110122266 | METHOD AND APPARATUS FOR ESTIMATING POINT SPREAD FUNCTION - A method of estimating a point spread function (PSF) includes: estimating a global motion between a short-exposure image and a long-exposure image that are continuously captured using different exposure times, and compensating for the global motion; calculating a first resultant image by applying a band pass filter to the short-exposure image; calculating a second resultant image by applying the band pass filter to the long-exposure image; converting the first resultant image and the second resultant image into n-level images, where n is an odd natural number greater than or equal to 3, by deducing a first n-level resultant image and a second n-level resultant image from the first resultant image and the second resultant image, respectively; correlating the first n-level resultant image and the second n-level resultant image, and calculating a correlation map; and deducing the PSF from the correlation map. | 05-26-2011 |
20110122278 | DIGITAL PHOTOGRAPHING APPARATUS, METHOD OF CONTROLLING THE SAME, AND RECORDING MEDIUM STORING THE METHOD - A digital photographing apparatus may perform a method of correcting hand shake to obtain images of high quality, in which hand shake is corrected completely, by correcting the hand shake using a plurality of successive images having different exposure times, and in particular, by determining whether a short exposure image will be obtained from a time period in which hand shake is weak or in a time period in which hand shake is strong according to photographing conditions. | 05-26-2011 |
20110187900 | DIGITAL IMAGE PROCESSING APPARATUS, AN IMAGE PROCESSING METHOD, AND A RECORDING MEDIUM STORING THE IMAGE PROCESSING METHOD - A digital image processing apparatus performs an image processing method which includes capturing a first image, a second image, and a third image, which are captured with different focuses for the same subject and background; setting a subject portion and a background portion by using the first and second images; and combining the first image for the subject portion and the third image for the background portion with each other to obtain an out-of-focus image. | 08-04-2011 |
20110216168 | DIGITAL PHOTOGRAPHING APPARATUS HAVING COMMON ANGLE OF VIEW DISPLAY FUNCTION, METHOD OF CONTROLLING THE DIGITAL PHOTOGRAPHING APPARATUS, AND MEDIUM FOR RECORDING THE METHOD - A digital photographing apparatus includes a plurality of image pickup units that capture a plurality of images, a first image processing unit that generates a single input image from the plurality of images, a second image processing unit that generates a display image comprising common angle of view information in which the angle of view information of each of the plurality of image pickup units with respect to the single input image overlap, and a display unit that displays the display image. Each of the plurality of images shows a different parallax with respect to a subject, and each of the plurality of image pickup units have angle of view information. | 09-08-2011 |
20110279649 | DIGITAL PHOTOGRAPHING APPARATUS, METHOD OF CONTROLLING THE SAME, AND COMPUTER-READABLE STORAGE MEDIUM - An apparatus, computer readable medium, and a method of controlling a digital photographing apparatus comprising a plurality of optical systems, the method including deriving shake information from the plurality of optical systems; and determining a base optical system from among the plurality of optical systems according to the shake information. | 11-17-2011 |
20120038797 | IMAGE PROCESSING METHOD AND IMAGE PROCESSING APPARATUS - An image processing apparatus and an image processing method, the method including: providing one or more low dynamic range images having different exposure levels; classifying each of the one of more low dynamic range images as a saturation region, an under-saturation region, and a non-saturation region with respect to an intensity value; generating feature maps indicating a similarity between patterns of the non-saturation regions; generating final feature maps converting pixels included in the feature maps into moving pixels and non-moving pixels; defining moving regions and non-moving regions included in the one or more low dynamic range images; removing noise from the moving regions and the non-moving regions by using a first noise reduction filter for the moving regions and a second noise reduction filter for the non-moving regions; and generating a radiance map corresponding to the one or more low dynamic range images. | 02-16-2012 |
20120038800 | METHOD OF IMAGE PROCESSING AND IMAGE PROCESSING APPARATUS - A method of image processing includes: providing a radiance map, generating a first image in which an edge part is preserved and a flat part is smoothed by applying an edge preservation smoothing filter to the radiance map, generating a second image having a visually perceivable dynamic range by applying a correction curve to the first image, and generating a display image having corrected lightness by adjusting a hue value and a chroma value of the second image. | 02-16-2012 |
20120057070 | DIGITAL IMAGE PROCESSING APPARATUS, DIGITAL IMAGE PROCESSING METHOD, AND RECORDING MEDIUM STORING THE DIGITAL IMAGE PROCESSING METHOD - Provided are an image processing method, a digital image processing apparatus, and a recording medium storing the image processing method. The method includes capturing a first image, a second image, and a third image, which are captured with different focuses for the same subject and background; setting a subject portion and a background portion by using the first and second images; and combining the first image for the subject portion and the third image for the background portion with each other to obtain an out-of-focus image. | 03-08-2012 |
20120188394 | IMAGE PROCESSING METHODS AND APPARATUSES TO ENHANCE AN OUT-OF-FOCUS EFFECT - Disclosed are example methods and apparatuses for image processing for improving an out-of-focus effect. A disclosed example methods includes capturing a first image, a second image, and a third image, which are captured with a different focus for a same subject and background; setting a subject portion and a background portion using the first and second images; combining the subject portion of first image and the background portion of the third image with each other to obtain an narrow depth-of-field (DOF) image; and performing image processing on the obtained narrow DOF image. | 07-26-2012 |
20120257824 | IMAGE PROCESSING METHOD AND APPARATUS - An image processing method and apparatus employ wide dynamic range imaging. The image processing method includes: providing a radiance map; decomposing a luminance value of the radiance map into a base layer and a detail layer; generating a weight using a ratio between the luminance value of the radiance map and the base layer; creating a compressed luminance using the base layer, the detail layer, and the weight; and generating a tone-mapped image using a color value of the radiance map, the luminance value of the radiance map, and the compressed luminance value. The image processing method provides a display image with enhanced local contrast and details. | 10-11-2012 |
20130070965 | IMAGE PROCESSING METHOD AND APPARATUS - An image processing method and apparatus for obtaining a wide dynamic range image, the method including: obtaining a plurality of low dynamic range images having different exposure levels for a same scene; generating motion map representing whether motion occurred, depending on brightness ranks of the plurality of low dynamic range images; obtaining weights for the plurality of low dynamic range images; generating a weight map by combining the weights and the motion map; and generating a wide dynamic range image by fusing the plurality of low dynamic range images and the weight map. According to the image processing method and apparatus, it is possible to accurately detect motion area using a rank map, obtain a wide dynamic range image at a higher operation speed, and reduce a possibility that a phenomenon such as color warping occurs by directly combining images without using a tone mapping process. | 03-21-2013 |
20130071024 | IMAGE PROCESSING METHOD AND IMAGE PROCESSING APPARATUS - An image processing method and image processing apparatus for removing noise from an image. The image processing method includes: dividing an input image into a high frequency component and a low frequency component; removing noise from the high frequency component; and combining the low frequency component and the high frequency component from which noise is removed to form an output image. Accordingly, an image in which edge components are well preserved and a degree of color noise is reduced may be generated not only in a general environment but also in a low light level and highly sensitive environment having strong noise. | 03-21-2013 |
20130071025 | IMAGE PROCESSING METHOD AND IMAGE PROCESSING APPARATUS - An image processing method and an image processing apparatus for removing noise from an image are disclosed. A provided image processing method includes: dividing an input image into a luminance signal and a chrominance signal; removing noise from the luminance signal; restoring luminance signal present in the noise removed from the luminance signal; removing noise from the chrominance signal; and combining the luminance signal and the chrominance signal from which the noises are removed. Accordingly, an image of which an edge component is well preserved and a degree of color noise is low is generated not only in a general environment but also in a low light level and high sensitivity environment having a large amount of noise. | 03-21-2013 |
20130335593 | METHOD AND APPARATUS FOR ESTIMATING POINT SPREAD FUNCTION - A method of estimating a point spread function (PSF) includes: estimating a global motion between a short-exposure image and a long-exposure image that are continuously captured using different exposure times, and compensating for the global motion; calculating a first resultant image by applying a band pass filter to the short-exposure image; calculating a second resultant image by applying the band pass filter to the long-exposure image; converting the first resultant image and the second resultant image into n-level images, where n is an odd natural number greater than or equal to 3, by deducing a first n-level resultant image and a second n-level resultant image from the first resultant image and the second resultant image, respectively; correlating the first n-level resultant image and the second n-level resultant image, and calculating a correlation map; and deducing the PSF from the correlation map. | 12-19-2013 |