Patent application number | Description | Published |
20080298688 | Method of classifying colors of color based image code - Provided is a method of classifying colors of a color based image code. The colors of each cell forming the color based image code are classified by sampling a predetermined number of pixels from each cell and then applying a max channel based clustering method, a white balance based color clustering method, a single-linkage algorithm based color classification method, a K-means algorithm based color classification method, or the like. Accordingly, the colors of an image code can be accurately recognized despite of a color distortion due to characteristics of a camera, a printing medium, etc. | 12-04-2008 |
20090184959 | Method and apparatus for rendering - A rendering apparatus and method are provided. The rendering method includes: reading a block, corresponding to a fragment, from among compressed blocks stored in a depth buffer, by considering frequency information corresponding to the fragment and prepared in advance; and performing a depth test for the fragment by considering the restored block. | 07-23-2009 |
20120075287 | Image processing apparatus and method - Provided is an image processing apparatus. The image processing apparatus may perform an intersection test for rendering of a ray tracing scheme. The image processing apparatus may include a first calculator and a second calculator. The first calculator may perform a ray-plane test to determine whether a ray intersects a plane including a primitive and a barycentric test to determine whether the ray intersects the primitive. The second calculator may calculate a hit point based on the ray which intersects the primitive. | 03-29-2012 |
20120081368 | Image rendering apparatus and method - An image rendering apparatus may include a buffer memory unit and a processor. The buffer memory unit may store input ray data for image rendering according to a ray tracing scheme while shape data corresponding to the input ray data is being fetched from a cache. The processor may output the received shape data together with the input ray data to an operation apparatus. | 04-05-2012 |
20130136361 | Mixed Code, and Method and Apparatus for Generating the Same - A mixed code, and a method and apparatus for encoding the same are provided. The mixed code includes a first code image region storing a first code image obtained by encoding first information using color, shading, or a combination thereof, and a second code image region storing a second code image obtained by encoding second information using color, shading, or a combination thereof. The first code image and/or the second code image includes the results of encoding interpretation information, construction information, error control information, and code direction information. The mixed code is made by adjusting the difference in color and brightness between the first and second code images to a predetermined level and combining these images. | 05-30-2013 |
20130148888 | Mixed Code, and Method and Apparatus for Generating the Same - A mixed code, and a method and apparatus for encoding the same are provided. The mixed code includes a first code image region storing a first code image obtained by encoding first information using color, shading, or a combination thereof, and a second code image region storing a second code image obtained by encoding second information using color, shading, or a combination thereof. The first code image and/or the second code image includes the results of encoding interpretation information, construction information, error control information, and code direction information. The mixed code is made by adjusting the difference in color and brightness between the first and second code images to a predetermined level and combining these images. | 06-13-2013 |
20130207967 | IMAGE PROCESSING APPARATUS AND METHOD - Provided is an image processing apparatus. The image processing apparatus may determine whether a ray and a bounding volume including a primitive intersect each other, prior to determining whether the primitive and the ray intersect each other. An intersection test between the bounding volume and the ray may use a small amount of calculation compared to an intersection test between the primitive and the ray and thus, an amount of calculation used for rendering of the image processing apparatus may significantly decrease. | 08-15-2013 |
20130221105 | Mixed Code, and Method and Apparatus for Generating the Same - A mixed code, and a method and apparatus for encoding the same are provided. The mixed code includes a first code image region storing a first code image obtained by encoding first information using color, shading, or a combination thereof, and a second code image region storing a second code image obtained by encoding second information using color, shading, or a combination thereof. The first code image and/or the second code image includes the results of encoding interpretation information, construction information, error control information, and code direction information. The mixed code is made by adjusting the difference in color and brightness between the first and second code images to a predetermined level and combining these images. | 08-29-2013 |
20140119647 | Method and Apparatus for Decoding Mixed Code - Provided are a method and apparatus for decoding a mixed code that is a combination of first and second code images. In the method, a mixed code image is obtained by receiving the original image having the mixed code image and removing noise from the original image. Next, the colors, shades, and brightnesses of pixels of the mixed code image are categorized into groups based on a predetermined threshold, the mixed code image is divided into first and second code images, and first and second information are extracted by decoding the first and second code images, respectively. The first and second code images can be effectively decoded by decoding interpretation information, construction information, error control information, and code direction information stored in the first and/or second code images. | 05-01-2014 |
20140168267 | AUGMENTED REALITY SYSTEM AND CONTROL METHOD THEREOF - A projection-based augmented reality system and a control method thereof are provided. The control method of an augmented reality system includes determining a conversion area to be converted from a work area based on a first gesture, acquiring a captured image of the determined conversion area, generating a virtual image of the determined conversion area from the acquired captured image, displaying the generated virtual image in the work area, and performing a manipulation function with respect to the displayed virtual image based on a second gesture. | 06-19-2014 |