Patent application number | Description | Published |
20080225942 | Contents reproducing apparatus - A contents reproducing apparatus includes a receiving unit configured to receive a first packet having an ES in which encoded video or audio data is stored, and a second packet having the ES and a PCR, a counter configured to count a STC and output the counted STC as a STC value, a buffer configured to store the first and second packets in an order of reception in a time shift reproduction mode and a time shift storage mode, a correcting unit configured to correct the PCR included in the second packet received by the receiving unit by using the STC value and output the corrected PCR, in the time shift reproduction mode, and a control unit configured to control the STC in accordance with the corrected PCR and the STC value, in the time shift reproduction mode. | 09-18-2008 |
20080259962 | Contents reproducing apparatus - A contents reproducing apparatus includes a receiving unit configured to receive a plurality of packets that convey an elementary stream containing encoded video or audio data and time information, a detecting unit configured to detect a discontinuity of timebase if the difference between first time information contained in a first packet and second time information contained in a second packet received before the first packet is larger than a first threshold value, a timer configured to output the current time after a second threshold value smaller than the first threshold value elapses from a time to receive the first packet, and a generating unit configured to generate a third packet including a third time information calculated based on the first time information and transfer the third packet to the receiving unit, when receiving the current time from the timer. | 10-23-2008 |
20080279272 | Contents reproducing apparatus - A contents reproducing apparatus includes a clock unit configured to count a STC, and output a counter value, a receiving unit configured to receive a packet having an ES containing encoded video data or the encoded audio data, an transport error indicator to be used for detecting an error, and a PTS, and add a counter value as a receipt time at the time of reception, a correcting unit configured to correct the PTS by using the receipt time and an interval from reception of a packet to reproduce of a packet, if the error is detected in the packet, a buffer configured to store the ES and PTS, and a decoder configured to decode the encoded video data or the encoded audio data from the ES and obtain video data or audio data, if the counter value reaches the PTS. | 11-13-2008 |
20090141792 | IMAGE PROCESSING APPARATUS, MOBILE WIRELESS TERMINAL APPARATUS, AND IMAGE DISPLAY METHOD - An image decoding unit decodes an encoded stream and determines whether an error has occurred in the frame obtained by decoding. An image estimation unit estimates the image quality of the frame on the basis of the occurrence state of an error in the frame, a quantization step QP, a display timing PTS, and the like, and outputs the frame to a simple enlargement processing unit which performs simple image enlargement processing, an enlargement processing unit which performs normal image enlargement processing, or a frame interpolation unit which performs frame interpolation, in accordance with the estimation result, thereby selectively executing image processing. | 06-04-2009 |
20090279799 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An edge map generator/edge weighting coefficient generator performs edge detection for respective blocks that compose a moving image frame Ft, and calculates correlations between the edges of the respective blocks and those of neighboring blocks as edge weighting coefficients. A predictive vector candidate determination unit calculates a plurality of motion vector candidates for each block based on this edge weighting coefficient. Of these candidates, a motion vector detector obtains a candidate with a small evaluation value based on prediction errors and motion vector cost as a motion vector, thereby generating an interpolation frame Ft-0.5. | 11-12-2009 |
20090304279 | IMAGE PROCESSING APPARATUS, MOBILE WIRELESS TERMINAL APPARATUS, AND IMAGE DISPLAY METHOD - A histogram generating function generates a histogram by counting the number of pixels included in each tone for each tone of an input video signal. A peak luminance gain calculation function calculates the gain value of a peak luminance on the basis of the histogram. A tone conversion function calculation function generates a lookup table for obtaining an output tone by correcting an input tone on the basis of the histogram and the gain value, and records the table in a tone conversion lookup table storage unit. A tone-converted image generating function which executes the correction processing of correcting the tone of an input video signal on the basis of the tone conversion lookup table. | 12-10-2009 |
20100067572 | IMAGE PROCESSING DEVICE AND COMPUTER TERMINAL, AND SIGNAL SEPARATION METHOD - An image processing device a includes a determination unit configured to determine a correlation value between a decoded frame and a reference frame and the number of iterations indicating the number of times signal separation calculation based on a TV method is iteratively performed on the decoded frames, based on a result of a motion search process, a generation unit configured to generate, as an initial gradient signal value, a zero vector or a gradient signal value obtained based on a motion vector determined in the motion search process, according to the correlation value, and a separation unit configured to iteratively perform the signal separation calculation on the decoded frame the number of iterations, using the initial gradient signal value as an initial value, and separate the decoded frame into a skeleton image signal and a texture image signal. | 03-18-2010 |
20100142619 | APPARATUS AND METHOD FOR PROCESSING IMAGE - An asynchronous IDR detecting unit detects occurrence of scene change and, upon noticing that at the scene change superiority and inferiority of image quality can hardly be recognized by a human eye and a high-image-quality interpolation frame cannot be generated, a frame interpolation process controlling unit controls a frame interpolation unit to generate an interpolation frame by a simplified process before and after a case where a frame including the scene change (aperiodic IDP frame) is detected (necessity of frame interpolation is small) or generate a high-image-quality interpolation frame in the other case (a case where necessity of the frame interpolation is great). | 06-10-2010 |
20100290716 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus decodes a coded stream to obtain pixel data, and decides a filter coefficient for each pixel data. The filter coefficient is used for filtering of the pixel data by multiplying the pixel data and pixel data located around the pixel data by filter coefficients, respectively and adding multiplication results. The image processing apparatus determines effectiveness of adaptive control of the filter coefficient to be used in the filtering, and outputs adaptively controlled filter coefficient if the effectiveness is high, or outputs the filter coefficient, which is not adaptively controlled, if the effectiveness is not high. | 11-18-2010 |
20100309980 | APPARATUS AND METHOD FOR PROCESSING IMAGE - A motion detection unit detects a motion vector of each of blocks constituting interpolation frame F | 12-09-2010 |