Patent application number | Description | Published |
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 |
20090161989 | Method, medium, and apparatus representing adaptive information of 3D depth image - A method, medium, and apparatus processing depth information of a depth image. The apparatus adaptively presenting information on depth information includes a section determination unit determining which one of plural sections respective depth values for pixels of the 3D image fall within, with the plural sections being defined by a measured limit distance for the 3D image being parsed into the plural sections based on distance based depth resolution information, and an adaptive quantization unit to selectively quantize and represent each depth value based on a respective predefined quantization setting of the one section. | 06-25-2009 |
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 |
20090201384 | Method and apparatus for matching color image and depth image - A method and apparatus for matching images are provided. The image matching method includes: obtaining a depth image and an intensity image of an object using a depth camera installed at a first position and a color image of the object using a color camera installed at a second position other than the first poison; | 08-13-2009 |
20090213113 | 3D image processing method and apparatus for enabling efficient retrieval of neighboring point - Disclosed are data storing and processing methods or apparatuses which may efficiently perform a process of retrieving neighboring points between points stored in a leaf cell in a point-based 3D data expressing method. A computer-readable recording medium having stored thereon instructions for implementing a method of three-Dimensional (3D) data processing, the instructions including an instruction set of connecting each of a plurality of points with a leaf cell of a spatial tree structure; an instruction set of assigning a ball to correspond to each of the plurality of points; and an instruction set of connecting the ball with a leaf cell intersecting the ball. | 08-27-2009 |
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 |
20090324062 | IMAGE PROCESSING METHOD - The present invention relates to a method of matching a color image and depth image using feature points corresponding to each other. An image processing method, including: selecting a first pixel group including at least one pixel from an input color image; selecting a second pixel group including at least one pixel corresponding to each of the at least one pixel included in the first pixel group from an input depth image; calculating a transformation function of the first pixel group and second pixel group based on a coordinate value of each of the at least one pixel included in the first pixel group and a coordinate value of each of the at least one pixel included in the second pixel group; and matching each pixel of the input color image with each pixel of the input depth image based on the transformation function. Image processing apparatus, including: a first selection unit selecting a first pixel group including at least one pixel from an input color image; a second selection unit selecting a second pixel group including at least one pixel corresponding to each of the at least one pixel included in the first pixel group from an input depth image; a calculation unit calculating a transformation function of the first pixel group and second pixel group based on a coordinate value of each of the at least one pixel included in the first pixel group and a coordinate value of each of the at least one pixel included in the second pixel group; and an image matching unit matching each pixel of the input color image with each pixel of the input depth image based on the transformation function. | 12-31-2009 |
20100142815 | Method and apparatus for correcting depth image - An apparatus and method for correcting a depth image of an object based on a table, the table being formed according to color identification information of a target color, and a first measurement error in which a difference between a ground truth depth value of a base color and a measured depth value of the target color is reflected. | 06-10-2010 |
20130083309 | APPARATUS AND METHOD TO CORRECT IMAGE - An apparatus and method of correcting an image are provided. The apparatus includes a receiver to receive a depth value and a luminous intensity, the depth value and the luminous intensity being measured by at least one depth sensor, and a correction unit to read a correction depth value of a plurality of correction depth values mapped to different depth values and different luminous intensities from a first storage unit and to correct the measured depth value using the read correction depth value, the correction depth value being mapped to the measured depth value and the measured luminous intensity. | 04-04-2013 |