Patent application number | Description | Published |
20090169123 | METHOD AND APPARATUS TO ENCODE AND DECODE HALFTONE IMAGE - A method to encode and decode a halftone image such that the halftone image is efficiently compressed and decoded by using pattern characteristics of the halftone image includes determining different template shapes according to characteristics of the halftone image, compressing the halftone image based on determined template shape information, compressing the template shape information, and generating the compressed halftone image and the compressed template shape information as a bitstream. | 07-02-2009 |
20090279796 | METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE - Provided are a method and apparatus for encoding and decoding an image. The method of encoding an image includes generating half-tone data by applying patterns specified by each color channel to input data, rearranging the generated half-tone data according to the characteristics of the applied patterns, and predicting the rearranged half-tone data and encoding the predicted half-tone data. Therefore, encoding and decoding can be performed more efficiently and a compression rate can be improved. | 11-12-2009 |
20090279797 | ENTROPY ENCODING AND DECODING METHOD AND APPARATUS USING LEAST SIGNIFICANT BIT - Provided are entropy encoding and decoding methods. The entropy encoding method includes receiving residual coefficients obtained by frequency converting a residual image, determining a first bit string about residual coefficients having nonzero levels from among the received residual coefficients, determining at least one lower bit, including a least significant bit of the first bit string, from the first bit string, and determining a second bit string obtained by bit-shifting the first bit string to the right by the number of lower bits. | 11-12-2009 |
20090279803 | METHOD AND APPARATUS FOR CONVERTING BIT-PLANE IMAGE, AND METHOD AND APPARATUS FOR INVERSE-CONVERTING BIT-PLANE IMAGE - Provided are methods and apparatuses for converting a lower bit-plane image, and methods and apparatuses for inverse-converting the lower bit-plane image, which increase the correlation of the lower bit-plane image. According to the method of converting a lower bit-plane image, pixels of the lower bit-plane image are sequentially added or subtracted so as to generate a converted lower bit-plane image. Accordingly, the lower bit-plane image has higher regularity, and thus the efficiency of image processing using the lower bit-plane image is improved. | 11-12-2009 |
20090285497 | IMAGE PROCESSING METHOD AND IMAGE PROCESSING APPARATUS USING LEAST SIGNIFICANT BITS - Provided are an image processing method and image processing apparatus using least significant bits (LSBs). The image processing method includes generating first binary codes by converting pixel values of an input image into a binary code format; converting the first binary codes into gray codes and determining a predetermined number of sequential LSBs from among the gray codes; and generating second binary codes by converting the determined LSBs of the gray codes into the binary code format. | 11-19-2009 |
20100002943 | METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE USING IMAGE SEPARATION BASED ON BIT LOCATION - Provided are method and apparatus for encoding and decoding an image by using a bit plane-based image encoding method and a block-based image encoding method respectively on bit planes based on the n-m most significant bits of an input image including n-bit pixel values and an image based on the m least significant bits of the input image. | 01-07-2010 |
20100054615 | METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE BY USING ADAPTIVE BINARIZATION - A method and apparatus for encoding/decoding an image, wherein the method includes selecting a predetermined binarization table from a plurality of binarization tables based on prediction values of a current pixel and binarizing or inversely binarizing residual values by using the selected binarization table. | 03-04-2010 |
20100124409 | METHOD OF SELECTING CONTENT REPRODUCING APPARATUS AND CONTENT REPRODUCING APPARATUS SELECTOR - Provided are a method of selecting the most suitable content reproducing apparatus on the basis of minimum resource information required to reproduce content and capability information of the content reproducing apparatus, and a content reproducing apparatus selector using the method. The method includes: receiving a content file, which includes minimum resource (MR) metadata including the minimum resource information required to reproduce content, from a content providing server or a content providing medium; receiving device level (DL) metadata per device from a plurality of content reproducing apparatuses, wherein the DL metadata includes capability information of the content reproducing apparatus; determining whether at least one of the content reproducing apparatuses described by the DL metadata can reproduce the content described by the MR metadata; and selectively renewing the MR metadata on the basis of a result of the determining. | 05-20-2010 |
20100138418 | METHOD AND APPARATUS FOR REPRODUCING CONTENT BY USING METADATA - A method and apparatus for reproducing content by using metadata are provided. In the method, a metadata file and a content file are obtained, wherein the metadata file comprises at least one of learned content reproduction pattern information and reproduction management information; the content file is reproduced based on the at least one of the learned content reproduction pattern information and the reproduction management information of the metadata file; and the metadata file is updated based on the at least one of the learned content reproduction pattern information and the reproduction management information. | 06-03-2010 |
20100175089 | METHOD AND APPARATUS FOR REPRODUCING CONTENT THROUGH INTEGRATED CHANNEL MANAGEMENT - Provided are a method and apparatus for reproducing at least one piece of content received via at least one interface. The method includes classifying the at least one piece of content respectively received via the at least one interface according to a reference attribute, allocating the classified at least one piece of content to a virtual channel, and selecting a channel from among set channels that include the virtual channel and an occupied basic channel. | 07-08-2010 |
20110135286 | APPARATUS AND METHOD FOR EXTRACTING KEY FRAMES AND APPARATUS AND METHOD FOR RECORDING BROADCAST SIGNALS USING THE SAME - An apparatus and method for extracting key frames and an apparatus and method for recording broadcast signals using the same, the key frame extracting apparatus including a stream information analyzing unit and a key frame extracting unit. The stream information analyzing unit extracts frame information from a video stream. The key frame extracting unit extracts a key frame among frames of the video stream by using the frame information. | 06-09-2011 |
20130205248 | METHOD AND APPARATUS FOR CREATING 3D IMAGE BASED ON USER INTERACTION - A method of creating a three-dimensional (3D) image based on user interaction, the method including receiving an input image; receiving a user input; segmenting an object, which is included in the input image, based on the received user input; editing an area of the segmented object; configuring a layer for the segmented object, based on the edited area; and creating a 3D image, based on the configured layer. | 08-08-2013 |
20140093169 | VIDEO SEGMENTATION APPARATUS AND METHOD FOR CONTROLLING THE SAME - A method for controlling a video segmentation apparatus is provided. The method includes receiving an image corresponding to a frame of a video; estimating a motion of an object in the received image to be extracted from the received image, determining a plurality of positions of windows corresponding to the object; adjusting at least one of a size and a spacing of at least one window located at a position of the plurality of determined positions of the windows based on an image characteristic; and extracting the object from the received image based on the at least one window of which the at least one of the size and the spacing is adjusted. | 04-03-2014 |
20140184841 | PHOTOGRAPHING DEVICE FOR PRODUCING COMPOSITE IMAGE AND METHOD USING THE SAME - A photographing device includes a photographing unit, an image processor which separates an object from a first photographing image obtained by the photographing unit, a display which displays a background live view obtained by superimposing the separated object on a live view of a background, and a controller which obtains a second photographing image corresponding to the live view of the background when a command to shoot the background is input and generates a composite image based on the separated object and the second photographing image. | 07-03-2014 |
20140307075 | IMAGING APPARATUS AND CONTROL METHOD THEREOF - An imaging apparatus is provided. The imaging apparatus includes an imager configured to record an external image, a region determiner configured to divide a recorded previous image frame and a recorded current image frame into pluralities of regions, calculate a moving direction and a distance of each of the plurality of regions in the current image frame corresponding to each of the plurality of regions in the previous image frame, and determine a background and an object by applying a preset background model and object model based on the calculated moving direction and distance, and a posture determiner configured to determine body parts of the determined object based on a body part model, and determine a posture of the object by combining the determined body parts. | 10-16-2014 |
20140324953 | TERMINAL DEVICE AND CONTENT DISPLAYING METHOD THEREOF, SERVER AND CONTROLLING METHOD THEREOF - A terminal apparatus is disclosed. The terminal apparatus includes a display, a communicator configured to perform communication with a server, and a controller configured to, in response to a preset event, receive from the server a curated content based on a user information related to the preset event and control the display to display the content, wherein the preset event is related to an application operated separately from a server-only application. Accordingly, the terminal apparatus may extract a content based on user information and display the content. | 10-30-2014 |