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| Number | Title | Issue Date |
| 8144255 | Still subtitle detection apparatus and image processing method therefor According to one embodiment, to detect a still subtitle part included as a part of an image in a video signal, the still subtitle detection apparatus detects in pixel units a subtitle part from a video frame formed of pixels. The apparatus includes a subtitle part d... | 03/27/2012 |
| 8063995 | System and method for video noise reduction using a unified three-dimensional non-linear filtering The system described herein is a unified approach to three-dimensional filtering for the reduction of video noise. The technique is based on weight averaging pixels of the filter's output value in a three-dimensional neighborhood, in space and time, of the filter's ... | 11/22/2011 |
| 8059206 | Motion detection method utilizing 3D Y/C separation A motion detection method for detecting the difference in colors and an object position between a current frame and a previous frame through processing a composite video signal corresponding to both frames. The method includes: calculating a plurality of composite s... | 11/15/2011 |
| 8059207 | System and method for video noise reduction using an adaptive temporal method with motion detection and motion compensation An adaptive temporal noise reduction method that adaptively combines motion adaptive filtering results and motion compensated results to reduce Gaussian additive noise in video sequences is described herein. The system determines the motion detection and motion comp... | 11/15/2011 |
| 8040437 | Method and system for analog video noise detection A method and system for analog video noise detection are provided. A motion metric (MM) value may be determined for pixels in a video image. The MM values may be collected and accumulated for a number of noise level intervals to determine average noise levels for ea... | 10/18/2011 |
| 8004614 | Method and system for reducing the appearance of jaggies when deinterlacing moving edges A method and system for reducing the appearance of jaggies when deinterlacing moving edges in a video processing system are provided. The method may comprise detecting the direction of an angled edge in an interlaced video image to determine a filtering direction to... | 08/23/2011 |
| 7990477 | Method and device for detecting transitions in a video sequence, method and device for coding, computer program products and corresponding storage means Method and apparatus for detecting transitions in a video sequence, which include detecting an abrupt transition including, for each image It−2k included in said video sequence and with a processing time rank t−2k: calculating a first distance D(I | 08/02/2011 |
| 7932955 | Method and system for content adaptive analog video noise detection A method and system for content adaptive analog video noise detection are provided. A motion metric (MM) value, an edge detection value, and a content detection value may be determined for pixels in a video image. The MM values of pixels with edge detection values s... | 04/26/2011 |
| 7903179 | Motion detection device and noise reduction device using that The invention provides a motion detection apparatus that can improve a noise removal effect, can suppress the occurrence of tailing of a motion portion resulting from the increase of the noise removal effect, can increase the noise removal effect from a high electri... | 03/08/2011 |
| 7804544 | Still pixel detection using multiple windows and thresholds A method and system for performing still pixel detection is presented. In accordance with the present invention, still pixel detection can use multiple thresholds and multiple windows of pixels. In a particular embodiment of the present invention, a still pixel dete... | 09/28/2010 |
| 7738045 | Film-mode (3:2/2:2 Pulldown) detector, method and video device A film mode detector detects film mode of a series of fields of video by comparing pixels in a field adjacent the current field, with corresponding pixels directly above and directly below the pixels in an adjacent field. The number of pixels in the adjacent in time... | 06/15/2010 |
| 7714939 | Reliability estimation of temporal noise estimation A method for reliability estimation of temporal noise estimation in a sequence of video frames. The temporal local differences from a difference between a previous frame and a next frame in the sequence of frames is determined. A distribution of the temporal local d... | 05/11/2010 |
| 7688388 | Image processing method and device thereof An image processing method and device thereof are provided. The device includes a capture device and a processor. The capture device is adopted for receiving a plurality of frames and comparing at least two adjacent frames to obtain an area selection signal accordin... | 03/30/2010 |
| 7633559 | Interlace motion artifact detection using vertical frequency detection and analysis An interlace motion artifact detector which identifies video image spatial frequencies characteristic of motion artifacts. The detected frequency is the maximum which can be represented by the vertical sampling rate of the video format (i.e., the Nyquist frequency).... | 12/15/2009 |
| 7570309 | Methods for adaptive noise reduction based on global motion estimation An improved temporal noise reduction method and system detects the global motion and adjusts the overall gain of the temporal filtering. Temporal noise reduction is applied to two video frames, wherein one video frame is the current input noisy frame, and the other ... | 08/04/2009 |
| 7561210 | Variable-field motion detector The present invention discloses a variable-field motion detector having access to a plurality of video fields of an interlaced video signal for detecting a motion situation of an image area in the interlaced video signal. The variable-field motion detector includes:... | 07/14/2009 |
| 7554611 | Method and apparatus of bidirectional temporal noise reduction A method of bidirectional temporal noise reduction in a video signal processing system is provided. A video signal comprising a video sequence of frames is received. Backward temporal noise reduction is performed on the sequence of frames to obtain backward noise-re... | 06/30/2009 |
| 7538824 | Systems and methods for reducing noise during video deinterlacing A method of deinterlacing includes generating a deinterlaced display frame including a reference field of lines of display pixels of a first parity and a generated field of lines of display pixels of a second parity. A frame motion map is generated which includes bi... | 05/26/2009 |
| 7535517 | Method of motion compensated temporal noise reduction A method of reducing noise in a sequence of digital video frames is performed by motion estimation between a current noisy frame and a previous noise-reduced frame, to generate motion vectors indicating relative motion between the pixels in the current noisy frame a... | 05/19/2009 |
| 7440033 | Vector based motion compensation at image borders The present invention relates to an improved interpolation based on motion compensation. In order to avoid interpolation artifacts in proximity to the image borders, in particular in letterbox type images, each motion compensated image data is subjected to a positio... | 10/21/2008 |
| 7432979 | Interlaced to progressive scan image conversion An image processing apparatus that can convert an interlaced signal generated by the 3-2 or 2-2 pull-down process, to a progressive signal without degrading the quality of the image represented by the interlaced signal, even if the interlaced signal contains an ordi... | 10/07/2008 |
| 7432987 | Method of motion detection for 3D comb filter video decoder A method of motion detection for a 3D comb filter video decoder is disclosed. In this method, a plurality of sampled data FmPx,y is obtained and temporarily stored after a composite video signal is sampled, wherein FmPx,y ... | 10/07/2008 |
| 7424204 | Video information summarizing apparatus and method for generating digest information, and video information summarizing program for generating digest information A summary reproducing apparatus, which is capable of reproducing a summary accurately for each type of video information and of reducing a burden in generating digest information, provided with an audio feature amount extraction unit for obtaining a sound feature am... | 09/09/2008 |
| 7418149 | Apparatus and method for adaptive 3D noise reduction A non-iterative 3D processing method and system is disclosed for generic noise reduction. The 3D noise reducer is based on a simple conversion of the five types of noise to equivalent additive noise of varying statistics. The proposed technique comprises also an eff... | 08/26/2008 |
| 7417690 | Video processing system and video processing method A system which allows significant camera breaks to be automatically detected among a large number of camera breaks and which is suitable in retrieving or playing a digital video is realized. Using a detected result recorded in an analysis result recording unit, a ca... | 08/26/2008 |
| 7405765 | Method and apparatus for de-interlacing video data The invention relates to a method and an apparatus for de-interlacing video data by utilizing motion compensation. The method includes performing an operation of motion estimation on a first pixel of the first field and a second target field to generate a first moti... | 07/29/2008 |
| 7405768 | Apparatus and method for determining image region A determining portion first determines which an interpolation pixel position (a target position of image signal) which is positioned in a field that precedes a current field by one field is included in a motion region or a still region by using an image signal of cu... | 07/29/2008 |
| 7405770 | Adaptive equalization method and system for reducing noise and distortion in a sampled video signal An adaptive equalization method and system for reducing noise and distortion in a sampled video signal improves the quality of output video information in both consumer and professional applications. A multi-band equalizer applied to the sampled video information re... | 07/29/2008 |
| 7391468 | Telecine conversion detection for progressive scan playback A moving average filter with a weighting factor calculates a continuously programmable threshold to determine whether fields could be considered identical or not. This decision is used to detect the cadence of a TELECINE encoded video signal. This moving average fil... | 06/24/2008 |
| 7388617 | Image conversion device and image conversion method A plurality of interlaced video signals respectively corresponding to a plurality of continuous fields are generated by first, second, and third one-field delay circuits on the basis of an inputted interlaced video signal. A first progressive video field signal is g... | 06/17/2008 |
| 7372905 | Filtering intensity decision method, moving picture encoding method, and moving picture decoding method A moving picture coding apparatus including an inter-pixel filter having the filters for filtering decoded image data so as to remove block distortion which is high frequency noise around block boundaries. The filters include a filter A114a, a filter B... | 05/13/2008 |
| 7365801 | Apparatus and method for processing signal A motion vector detection portion detects a motion vector based on an input image signal and an image signal of previous field that is one field before the input signal. A motion compensation portion performs motion compensation on the image signal of previous field... | 04/29/2008 |
| 7362374 | Video interlacing using object motion estimation One embodiment disclosed relates to the use of object motion estimation to interlace a progressive video sequence. One of a plurality of consecutive frames is segmented and motion vectors for each segment are determined though object motion estimation. Interpolated ... | 04/22/2008 |
| 7349029 | Method and apparatus for de-interlacing interlaced video fields originating from a progressive video source A method for de-interlacing an interlaced video signal includes generating a per-field motion pattern set for a subject video field, where the motion pattern set comprises a same-parity motion pattern and an opposite-parity motion pattern pair, providing a plurality... | 03/25/2008 |
| 7349956 | System and method for accessing and operating personal computers remotely A remote access device is disclosed for capturing, digitizing and communicating video signals from a host computer to a remote computer. The remote computer returns keyboard and mouse signals through the remote access device to the host computer to control the host ... | 03/25/2008 |
| 7330218 | Adaptive bidirectional filtering for video noise reduction A video noise reduction system for reducing video noise in a sequence of video frames. In the video noise reduction system, a temporal filter computes multiple temporal average values for the video frames in different temporal directions. A motion detector computes ... | 02/12/2008 |
| 7327329 | Dynamically selecting either frame rate conversion (FRC) or pixel overdrive in an LCD panel based display In a liquid crystal display (LCD) panel based display, a method of dynamically selecting either frame rate conversion (FRC) or pixel voltage overdrive is disclosed. The method is carried out by performing the following operations. A video vertical refresh rate of an... | 02/05/2008 |
| 7327332 | Plasma display panel video processing circuit and method and video display device and method using plasma display panel A video processing circuit for preventing generation of contour noise irrespective of varied directions of light emission schemes. A first video signal and a second video signal delayed by a predetermined field are received, a first motion detection result is output... | 02/05/2008 |
| 7307670 | Bad editing detection device A bad editing detection device is provided to pre-detect a bad editing of image signal, so as to avoid zigzag effect in the television image. When the input image is from a film, instead of from a video source, the line doubler performs a de-interlace for the film s... | 12/11/2007 |
| 7295237 | Image capturing apparatus capable of extracting a moving object An image capturing apparatus comprises a solid image pickup element having pixels for outputting signals, which are logarithmically varied with respect to an incident light intensity, and a voltage controller. Each of the pixels includes an photoelectric conversion ... | 11/13/2007 |
