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| Number | Title | Issue Date |
| 7345712 | Display apparatus A display apparatus to receive a picture signal containing information of a picture and to process the picture signal using at least an area distinguishing the picture from another picture includes a motion detector to detect whether there is a motion in the area of... | 03/18/2008 |
| RE40074 | Reduced television display flicker and perceived line structure with low horizontal scan rates An interlaced television signal is derived from an interlaced 625 line, nominally 50 Hz field rate television signal, the derived television signal having perceived reduced line structure and reduce flicker. The field rate and the number of lines of the derived tele... | 02/19/2008 |
| 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 |
| 7289161 | Frame data compensation amount output device, frame data compensation device, frame data display device, and frame data compensation amount output method, frame data compensation method In the case where an input signal is an interlace signal such as NTSC signal, a flicker interference as aliasing interference brought about by the sampling theorem is contained in a region where a vertical frequency component is high. Accordingly, in the conventiona... | 10/30/2007 |
| 7280154 | Interpolative interleaving of video images A video processing system is presented that interleaves video data. In accordance with some embodiments of the present invention, data from a first field is placed in a frame and is augmented with pixel values in adjacent alternate rows of the frame with pixel value... | 10/09/2007 |
| 7227581 | Method and apparatus for processing video pictures, in particular for large area flicker effect reduction Plasma Display Panels (PDP) are becoming more and more interesting for TV technology. Due to the larger size of PDPs, with larger viewing angle the large area flicker effect will become more serious in the future, in particular when handling 50 Hz video standards. T... | 06/05/2007 |
| 7221403 | Image signal processing apparatus and processing method The present invention provides an image signal processing apparatus and a method thereof which perform double-speed conversion on images subjected to telecine conversion and in which a first field is specified based on difference values between pixel signal levels c... | 05/22/2007 |
| 7215377 | Image signal processing apparatus and processing method The present invention provides an image signal processing apparatus and a method thereof in which each of the fields forming the unit-frame is specified, with respect to the inputted image signal, based on a difference value calculated in signal level between a dete... | 05/08/2007 |
| 7164439 | Flicker correction apparatus and flicker correction method, and recording medium storing flicker correction program A flicker correction apparatus for correcting a flicker component of an image signal obtained by imaging an object using an imaging device is provided. The apparatus comprises an image average calculation section for calculating an average of the image signal, a fli... | 01/16/2007 |
| 7136055 | Method of indexing seizure risk due to flashing lights on video display and system therefor In order to generate a risk index of stress symptoms triggered by flashing lights on a scan type video display screen, a video signal processor is provided which operates such as to implement temporal filtering and spatial filtering on a video signal applied thereto... | 11/14/2006 |
| 7119853 | Method of eliminating flicker on an interlaced monitor Thin horizontal lines and edges are vulnerable to flickering on an interlaced monitor. To reduce flickering filtering is adaptively applied to the pixels of lines or edges to reduce the flicker energy or contrast of the pixel to a level less than a threshold energy ... | 10/10/2006 |
| 7102687 | Image data conversion processing device and information processing device having the same An image data conversion processing device including an issue unit, plural line storing units, and a generating unit for converting to a television signal image data stored in plural kinds of developing formats in a storing unit. The image data comprises plural line... | 09/05/2006 |
| 7043093 | Program for processing image, recording medium of the program and method of and apparatus for processing image At first, average brightness of each of frames of a moving image is calculated by a computer. Following that, a moving average along a time axis is calculated for each of the frames so that moving average brightness is generated as a reference data of brightness. Ne... | 05/09/2006 |
| 7034887 | Method and apparatus for flicker filtering interlaced display data A graphics controller for flicker filtering interlaced image data is provided. The graphics controller includes a buffer and a memory region. A flicker filter for reducing a flicker of a display presented through an interlaced scan is also provided. The flicker filt... | 04/25/2006 |
| 6999634 | Spatio-temporal joint filter for noise reduction A spatio-temporal joint filter and a spatial joint filter for noise reduction are disclosed. The spatio-temporal joint filter includes a spatial joint filter including the first and second sub filters having different characteristics and includes a temporal joint fi... | 02/14/2006 |
| 6987884 | Image processing device and method, and recorded medium A storage picture generating unit (191) weight-adds an input picture and a storage picture to reduce the noise in a still picture portion. An area extraction unit (193) extracts a class tap from the input picture, while extracting a block from each of ... | 01/17/2006 |
| 6970207 | Anti-flicker filtering process and system A process of filtering digital images to reduce image flicker. An anti-flicker filtering is performed after a step of calculating the image and before a step of displaying the image so that the flicker is filtered as soon as the image is created. ... | 11/29/2005 |
| 6937658 | Information processing apparatus, information processing method, and distribution media An information processing apparatus capable of accurately detecting commercials included in a television broadcast. A commercial candidate section detector detects a commercial candidate section based on the characteristics of transitions between a program and a com... | 08/30/2005 |
| 6930676 | Anti motion blur display A method, a circuit arrangement and a display device which suppresses motion blur due to motion integration carried out along a motion trajectory on the image data, which occurs in matrix type displays in which a motion trajectory is integrated by the viewer and/or ... | 08/16/2005 |
| 6930729 | Apparatus and method for deleting sawtooth wave An apparatus and method for processing a video signal, and particularly, an apparatus and method for deleting a sawtooth wave are provided in which a sawtooth wave component is detected and with consideration of direction the sawtooth wave is deleted. The sawtooth w... | 08/16/2005 |
| 6909466 | Circuit for frame rate conversion using a motion-adaptive method The circuit includes a motion detector including a first device for producing pixel motion signals, which have a first state for each pixel which is found to have moved and a second state for each pixel which is found to have been stationary, and a second device for... | 06/21/2005 |
| 6900834 | Method of detecting flicker, and video camera using the method Lighting flicker in the output of a video imaging device is detected. The video imaging device has a main picture area divided into pixels for producing successive images at a frame rate. A series of signals are produced from at least one additional picture area adj... | 05/31/2005 |
| 6822691 | Method of detecting motion in an interlaced video sequence utilizing region by region motion information and apparatus for motion detection A motion decision value provides a dependable estimate whether motion occurs in a given region of a video image in an interlaced video sequence. The motion detection is particularly applicable in the conversion from interlaced video to progressive video. An input fi... | 11/23/2004 |
| 6714250 | Method and apparatus for processing video pictures, in particular for large area flicker effect reduction Plasma Display Panels (PDP) are becoming more and more interesting for TV technology. Due to the larger size of PDPs, with larger viewing angle the large area flicker effect will become more serious in the future, in particular when handling 50 Hz video standards. T... | 03/30/2004 |
| 6657659 | Flicker compensation for cameras In a method of compensating an image signal (10) having a field frequency of substantially N times a mains frequency, in which Nࣙ2, for AC light source induced fluctuations, the image signal (10) and an average signal representing an average image signa... | 12/02/2003 |
| 6650372 | Dynamic change of flicker filter A method and apparatus for providing a flicker filter for an interlaced video display. Content is analyzed to determine what type of filter or filter characteristics selected from a plurality of available filters or filter characteristics can provide the ... | 11/18/2003 |
| 6600519 | Black level stretching apparatus and method capable of minimizing flicker An apparatus and method for stretching the black level of an image signal to minimize flicker are provided. A black level stretching apparatus includes a minimum and maximum value extraction unit, and an adaptive black level stretch unit. The minimum and ... | 07/29/2003 |
| 6597402 | Reduced television display flicker and perceived line structure with low horizontal scan rates An interlaced television signal is derived from an interlaced 625 line, nominally 50 Hz field rate television signal, the derived television signal having perceived reduced line structure and reduced flicker. The field rate and the number of lines of the ... | 07/22/2003 |
| 6563544 | Combined vertical filter for graphic displays An apparatus and method for converting computer graphics images into a format suitable for display on a TV. A flicker filter is combined with a vertical scaling filter and/or vertical overscan compensation filter to produce an interlaced image formatted f... | 05/13/2003 |
| 6522362 | Image data conversion processing device and information processing device having the same An image data conversion processing device including an issue unit, plural line storing units and a generating unit for converting to a television signal image data stored in plural kinds of developing formats in a storing unit. The image data comprises p... | 02/18/2003 |
| 6466271 | Method of smoothly displaying field videos in an interlaced display A method of smoothly displaying field videos in an interlaced display according to the invention. In a currently-exiting interlaced display system, the sequence of a scan timing with a top scan timing, a bottom scan timing, a top scan timing, a bottom sca... | 10/15/2002 |
| 6441858 | Image data conversion processing device and information processing device having the same An image data conversion processing device including an issue unit, plural line storing units and a generating unit for converting to a television signal image data stored in plural kinds of developing formats in a storing unit. The image data comprises p... | 08/27/2002 |
| 6417887 | Image display processing apparatus and method for converting an image signal from an interlaced system to a progressive system An image processing display apparatus for converting an image signal of an interlace system into a progressive scanning system and displaying an image, having means for conducting low band frequency passing processing so as to reduce flicker for a vertica... | 07/09/2002 |
| 6384872 | Method and apparatus for interlaced image enhancement A method for image enhancement for an interlaced display includes receiving a first group of pixels aligned about an axis, detecting a second group of pixels within the first group of pixels, each pixel of the second group of pixels having a luminous disp... | 05/07/2002 |
| 6380985 | Resizing and anti-flicker filtering in reduced-size video images A system for processing a video data stream has a data input to receive a video data stream with first and second fields of interlaced scan lines. The system has a resizing and filtering component to remove the first field of interlaced scan lines, thereb... | 04/30/2002 |
| 6359653 | Method and apparatus for VGA to TV data transformation using background-based adaptive flicker reduction A VGA to TV data transformation system uses a background-based adaptive flicker reduction method. Information in a picture displayed on a screen of a monitor is divided as graphic and video information. Graphic information which includes cursor, graphic d... | 03/19/2002 |
| 6346970 | Two-dimensional adjustable flicker filter The invention is a flicker filter for use with video signals. The flicker filter of the invention has at least two user-adjustable inputs adapted to balance image quality versus flicker in the second video image. A first user-adjustable input is adapted t... | 02/12/2002 |
| 6333766 | Tone display method and apparatus for displaying image signal A tone display method for displaying a tone of an image in a display system which divides a time width of a field of an image signal into a plurality of weighted subfields and controls operation of the subfields. The tone display method includes the steps... | 12/25/2001 |
| 6320619 | Flicker filter circuit Briefly, in accordance with one embodiment of the invention, an integrated circuit includes: a flicker filter circuit. The flicker filter circuit has a configuration so that during filter operation two line buffers are employed to store partial sums of th... | 11/20/2001 |
| 6297847 | Removal of interpolation artifacts in a non-interlaced video stream Visible artifacts introduced into a digitally sampled video signal are removed from a non-interlaced version of the video signal. The non-interlaced version of the video signal is generated by a converter that converts a digitally sampled interlaced video... | 10/02/2001 |
