| Patent application number | Description | Published |
|---|
| 20090066931 | Distance measurement method, medium, and apparatus for measuring distance between the distance measurement apparatus and target object - A distance measurement method, medium, and apparatus for measuring a distance between the distance measurement apparatus and a target object are provided. The distance measurement method comprises counting pulses of a clock pulse signal having a low frequency during a period from when an optical pulse signal is applied to a target object by a distance measurement apparatus to when the optical pulse signal reflected from the target object is received by the distance measurement apparatus, counting pulses of the clock pulse signal during a period from when the optical pulse signal is received by the distance measurement apparatus to when the received optical pulse signal and the clock pulse signal correspond to each other, and calculating a distance between the distance measurement apparatus and the target object using the counting results. Accordingly, the distance can be measured with high accuracy using the optical pulse signal and the clock pulse signal, thereby reducing costs and power consumption. | 03-12-2009 |
| 20090103782 | Method and apparatus for obtaining depth information - A method and apparatus for obtaining depth information are provided. The method includes calculating a relative depth value between a first color pixel and a second color pixel based on values of color pixels of a color image, and calculating a depth value of a second depth pixel that belongs to a depth image corresponding to the color image, matches the second color pixel, and does not have the depth value, based on the calculated relative depth value and a depth value of a first depth value that belongs to the depth image, matching the first color pixel, and has the depth value thereof. | 04-23-2009 |
| 20090114802 | Image generating method and apparatus - An image generating method and apparatus are provided. The image generating method irradiates a light with a predetermined wavelength to a target object at a predetermined interval, passes a light having a wavelength required to generate a color image from among lights reflected from the target object, detects color values according to the passed light, generates a depth image of the target object using color values detected during a period in which the light with the predetermined wavelength is irradiated, and generates the color image of the target object using color values detected during a period other than the period in which the light with the predetermined wavelength is irradiated. Accordingly, the image generating method can generate a depth image having high resolution while maintaining the resolution of the color image. | 05-07-2009 |
| 20090123061 | Depth image generating method and apparatus - A method of and apparatus for generating a depth image are provided. The method of generating a depth image includes: emitting light to an object for a first predetermined time period; detecting first light information of the object for the first predetermined time period from the time when the light is emitted; detecting second light information of the object for the first predetermined time period a second predetermined time period after the time when the light is emitted; and by using the detected first and second light information, generating a depth image of the object. In this way, the method can generate a depth image more quickly. | 05-14-2009 |
| 20090174710 | Modeling method and apparatus - A modeling method and apparatus are provided, in which a vertex for each pixel of a depth image representing an object, the vertex having a 3-D position corresponding to the depth value of each pixel, is generated, grouping is performed on pixels which belong to a non-boundary of the object, among the pixels of the depth image, so that each pixel in the non-boundary of the object and adjacent pixels of the pixel are grouped into one group, and a polygonal mesh that is a set of at least one polygon is generated by connecting the vertices in consideration of the results of grouping. | 07-09-2009 |
| 20090190852 | Image inpainting method and apparatus based on viewpoint change - Provided is a method and apparatus for inpainting a depth image and a color image seen from one viewpoint by using a depth image and a color image inpainted from another viewpoint. The method includes detecting an edge on the basis of a difference between depth values of pixels in a first image seen from a view viewpoint and inpainting depth values of pixels in an occlusion region that is shown in a second image seen from a second viewpoint but not shown in the first image, in a direction from pixels in a region having high depth values among regions forming the edge to pixels in a region having low depth values. | 07-30-2009 |
| 20090213240 | Method and apparatus for processing three-dimensional (3D) images - Provided is point-based efficient three-dimensional (3D) information representation from a color image that is obtained from a general Charge-Coupled Device (CCD)/Complementary Metal Oxide Semiconductor (CMOS) camera, and a depth image that is obtained from a depth camera. A 3D image processing method includes storing a depth image associated with an object as first data of a 3D data format, and storing a color image associated with the object as color image data of a 2D image format, independent of the first data. | 08-27-2009 |
| 20090257650 | Image processing method and medium to extract a building region from an image - Provided is a method of performing an image segmentation so as to extract a building region from an input color image. The method includes extracting a plurality of straight lines that pass through a vanishing point and determining the building region in the image based on color values around the plurality of straight lines. | 10-15-2009 |
| 20100014716 | Method for determining ground line - A method of determining a ground line from an input image. The method includes determining a plurality of ground line candidates from the image, determining a certain band a central-line of which is a boundary between a G region and other regions in a Ground Building Sky (GBS) map of the image, and determining the ground line of the image by selecting a ground line candidate, among the plurality of ground line candidates, having the greatest extent crossing the certain band. | 01-21-2010 |
| 20100097389 | Image processing method - An image processing method which determines and depth-unfolds a depth folding region in an input depth image. A depth folding region of an input depth image may be determined based on a variance of the input depth image, a gradient image, and the like. A predetermined first depth value may be added to a depth value of each pixel of the determined depth folding region and depth information of the input depth image may be updated. | 04-22-2010 |
| 20100111446 | Image processing apparatus and method - An image processing apparatus and method are provided. A control unit may divide input image array data into a plurality of sub-blocks, and a first arithmetic logic unit (ALU) may generate an integral image of at least one of the plurality of sub-blocks. The control unit may determine each of the plurality of sub-blocks to be included in any one of a first sub-block group and a second sub-block group, store the integral image of each sub-block included in the first sub-block group on the first memory, and store the integral image of each sub-block included in the second sub-block group on the second memory. | 05-06-2010 |
| 20100238168 | APPARATUS AND METHOD FOR GENERATING SKELETON MODEL USING MOTION DATA AND IMAGE DATA - An apparatus and method for generating a skeleton model using motion data and image data. The apparatus for generating the skeleton model may synchronize the image data and the motion data, and generate a three-dimensional (3D) skeleton model of an entire body of a user using a silhouette extracted from the image data and also using a position or orientation of a joint of the user extracted from the motion data. The skeleton model may be generated using the image data and the motion data, thereby improving accuracy of the skeleton model of the entire body of the user. | 09-23-2010 |
| 20110109726 | APPARATUS AND METHOD FOR GENERATING A THREE-DIMENSIONAL IMAGE USING A COLLABORATIVE PHOTOGRAPHY GROUP - A communication network comprising a collaborative photography group including a plurality of cameras having synchronized photographing times, is provided. The plurality of cameras may share location information, direction angle information, and image information generated by photographing an object, and generate a three-dimensional (3D) image of the object. | 05-12-2011 |
