Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8421924 | Image processing circuit and image processing method An image processing method and its associated image processing circuit for processing an image based on a sequential couleur avec memoire (SECAM) system are provided. The image includes a first pixel, a second pixel and a third pixel, which are successively arranged... | 04/16/2013 |
| 8390741 | Image processing apparatus and image processing method An image processing apparatus comprises an image decoding unit and a static noise reducing unit. The image decoding unit decodes a data stream and generates a plurality of image comprising a current image. The static noise reducing unit, coupled to the image decodin... | 03/05/2013 |
| 8305499 | Image processing circuit and method for image processing A circuit and a method for image processing are provided. The image processing circuit has an adaptor and a sharpening circuit. The adaptor has a processing unit and a weight generator. The processing unit receives an input video signal, and the input video signal h... | 11/06/2012 |
| 8269896 | Error detection method and circuit, and error reduction method and circuit An error reduction apparatus includes a combing absence detector to detect absence of combing from a luminance signal, a combing presence detector to detect presence of combing from a color-difference signal, a vertical low-pass filter to receive the color-differenc... | 09/18/2012 |
| 8045061 | Method and apparatus for removing color noise of image signal A method and apparatus remove color noise of an image signal in which a distortion of a YCbCr color space caused by noise is corrected using correlations between color channels in the YCbCr color space of low frequency (LF) and high frequency (HF) components of an i... | 10/25/2011 |
| 8013939 | Video decoder for decreasing noise included in chrominance signal A video decoder removes noise caused by a luminance signal component when separating a chrominance signal from a composite video baseband signal. The video decoder includes a first signal generator generating a first signal, a second signal generator generating a se... | 09/06/2011 |
| 7944508 | Method and system for automatic detection and suppression of cross-luma and cross-color in a component video signal A method for automatically detecting and suppressing cross-color and cross-luma present in a baseband component video signal includes receiving component pixel data of a current pixel, a first previous pixel and a second previous pixel. First, second and third diffe... | 05/17/2011 |
| 7724308 | Cross color suppressing apparatus and method thereof A cross color suppressing apparatus used for suppressing the cross color of a frame is provided. The frame has several pixels, and the image data of each pixel include a luminance and a chrominance. The apparatus includes a diagonal edge detector, a cross color dete... | 05/25/2010 |
| 7633557 | Method and device for adaptive color correction The present invention relates to a method and a device for adaptive color correction by weighting procedure according to the pixel luminance so as to adjust the pixel chrominance. The present invention prevents color noise occurring in the dark pictures. The method ... | 12/15/2009 |
| 7570307 | Filter device A filter device comprises a digital filter, a maximum/minimum detector circuit, and a limiter circuit. The digital filter includes unit delay elements chained together and having M stages (M is an integer equal to or larger than two) for shifting an n-bit (n is a po... | 08/04/2009 |
| 7460180 | Method for false color suppression A false-color suppression method corrects a pixel value of a pixel in a target location of a target frame while de-interlacing video data. The video data includes consecutive first, second and third fields, and the target frame corresponds to the third field. The me... | 12/02/2008 |
| 7450181 | Bit-depth extension with models of equivalent input visual noise A method for extending bit-depth of display systems. The method includes creating pseudo-random noise from human visual system noise. When applied to the image data, the noise causes spatiotemporal dithering. The pseudo-random noise is combined with image data, prod... | 11/11/2008 |
| 7420623 | Image-signal processing apparatus for enhancing specific frequency component of image signal and correcting the edge of reproduced image The structure of an image-signal processing apparatus for performing gamma correction and edge enhancement of a image signal is simplified. An edge-correction-gain generation circuit generates a gain signal according to the level of a image signal that has passed th... | 09/02/2008 |
| 7411629 | Method and apparatus for correcting frequency characteristics of carrier chrominance signal A method and an apparatus are provided for correcting the frequency characteristics of a carrier chrominance signal, which, by use of the correcting signal for the frequency characteristic involved in a vertical blanking interval, determine whether the frequency cha... | 08/12/2008 |
| 7397515 | Method and system for cross-chrominance removal using motion detection In a video system, a method and system for cross-chrominance removal using motion detection are provided. A luma motion detector in a motion adaptive deinterlacer may be used to determine a chroma current motion for a pixel in a video frame. The chroma current motio... | 07/08/2008 |
| 7369181 | Method of removing noise from digital moving picture data Provided is a method of removing noise from digital moving picture data reducing the number of frames used in a temporal filtering operation and able to detect motion between frames easily. The method comprises a method of spatial filtering, a method of temporal fil... | 05/06/2008 |
| 7362290 | Image signal correcting circuit, image processing method, electro-optical device and electronic apparatus To provide a circuit for preventing degradation of a display quality caused by horizontal crosstalk. An image signal correcting circuit supplies a corrected image signal to a display panel to apply the image signal using the corresponding data line after pre-chargin... | 04/22/2008 |
| 7358940 | Electro-optical device, circuit for driving electro-optical device, method of driving electro-optical device, and electronic apparatus There is provided a circuit for driving an electro-optical device having a precharge voltage generating circuit. The precharge voltage generating circuit has a subtracter for obtaining a difference between a gray scale level of each of pixels which is disposed along... | 04/15/2008 |
| 7352373 | Systems and methods for multi-dimensional dither structure creation and application Embodiments of the present invention comprise systems and methods for creation, modification and implementation of dither pattern structures. ... | 04/01/2008 |
| 7336320 | Method and apparatus for temporally recursive chrominance signal noise reduction A temporally recursive chrominance signal noise reduction can be achieved by subtracting a delayed version of the chrominance output signal from the chrominance input signal and by multiplying the related difference signal by a variable share factor and adding the r... | 02/26/2008 |
| 7321735 | Optical down-converter using universal frequency translation technology A method and system for converting an optical signal to electrical information signals, including demodulated baseband information signals and modulated baseband signals at multiple harmonics. In an embodiment, the optical information signal is amplitude modulated w... | 01/22/2008 |
| 7295826 | Integrated frequency translation and selectivity with gain control functionality, and applications thereof Methods and apparatuses for frequency selectivity and frequency translation, and applications for such methods and apparatuses, are described herein. The method includes steps of filtering an input signal, and down-converting the filtered input signal. The filtering... | 11/13/2007 |
| 7292835 | Wireless and wired cable modem applications of universal frequency translation technology Frequency translation and applications of same are described herein, including cable modem applications. Such applications include, but are not limited to, frequency down-conversion, frequency up-conversion, enhanced signal reception, unified down-conversion and fil... | 11/06/2007 |
| 7280161 | Noise reduction circuit and method A noise reduction circuit and method effectively reduce noise with a simple structure regardless of the partial content of an image while suppressing an increase in the capacity of the image memory used and process delays. The present invention forms noise-reduced d... | 10/09/2007 |
| 7280159 | Method and apparatus for cross color and/or cross luminance suppression A method and apparatus for cross color and/or cross luminance suppression. The apparatus checks for three conditions in determining the stillness of an image. Similarity between two frames, which are one frame apart, is examined. Similarity between two adjacent fram... | 10/09/2007 |
| 7271851 | Adaptive color transient improvement A superior Color Transient Improvement technique is adaptive to the local image features, so that more natural color edge transition improvement can be accomplished. A gain control function is provided that depends on the local image feature so that different region... | 09/18/2007 |
| 7271850 | Method and apparatus for cross color/cross luminance suppression According to embodiments of the present invention, a method for processing an image in a video data is disclosed. The video data comprises at least a first frame and a second frame. The first frame is composed of a first even field and a first odd field, while the s... | 09/18/2007 |
| 7233705 | Method and apparatus for reducing inaccuracies when processing color data with a tone map A method and apparatus that reduces the inaccuracies in the tone map operation in the dark areas of an image. ... | 06/19/2007 |
| 7227587 | System and method for three dimensional comb filtering A system and method for determining whether to process a signal using three-dimensional comb filtering. Various aspects of the present invention may comprise method steps and system components that generate an inter-frame chroma signal. Various aspects may generate ... | 06/05/2007 |
| 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 |
| 7203378 | Accelerative noise filtering method for image data An accelerative noise filtering method for image data is provided. The present invention includes selecting four neighboring pixels around a target pixel in a pattern of a cross shape or X shape, and calculating the absolute value of a difference between the target ... | 04/10/2007 |
| 7203457 | Tuning system for achieving rapid signal acquisition for a digital satellite receiver A method and apparatus for compensating for frequency drift in an LNB by storing the frequency offset of each LNB with respect to each channel. When a channel is selected, a particular LNB is activated and the table of offset values is consulted. The offset value fo... | 04/10/2007 |
| 7194135 | Image recording device An image recording device that compresses and records image data is provided wherein noise reduction is recursively performed on the non-compressed image signals and the feedback gain or the filtering characteristic of a recursive noise reduction circuit are control... | 03/20/2007 |
| 7190842 | Elementary cell of a linear filter for image processing The present invention relates to an elementary cell of a linear filter for image processing, as well as to a corresponding module, element and process. The cell comprises a data circulation output and a calculation output, as well as a main delay line and an auxilia... | 03/13/2007 |
| 7177463 | Image processing apparatus and method A surrounding pixel reference unit reads out and stores image data having a predetermined size from a line buffer. A color judgment unit detects the color of the image (reference image) stored in the surrounding pixel reference unit. A parameter determination unit d... | 02/13/2007 |
| 7167597 | Image processing apparatus, image processing method, computer program and storage medium An image processing apparatus includes a determination part, an information obtaining part, a dynamic range setting part and a processing part. The determination part determines whether or not an image includes an area where destruction of gradation due to contrast ... | 01/23/2007 |
| 7165847 | Method and system for light processing using a gold segment A method for generating images includes shining a beam of light through a filter wheel to produce filtered light. The filter wheel includes red, green, and blue color segments and a fourth color segment that is not blue, green, red, or clear. The method also include... | 01/23/2007 |
| 7161634 | Encoding system for error diffusion dithering An error diffusion system in accordance with an embodiment of the present invention adjusts the color depth of an RGB signal using error diffusion without the using an expensive frame buffer. Specifically, a color depth adjustment unit in accordance with the present... | 01/09/2007 |
| 7158189 | Adaptive non-linear noise reduction techniques An impulse-reducing module (200) reduces random noise in video pixels by providing an impulse detector (244) and an impulse reducer, such as a median filter (250). The impulse detector (244) generates filter control signals in response to... | 01/02/2007 |
| 7139036 | Method and apparatus for image detail enhancement using filter bank An image detail enhancement method and apparatus that is suitable for different types of digital images, regardless of their signal frequency range or noise level. The detail enhancement apparatus has multiple filters termed, detail filter bank. A detail filter can ... | 11/21/2006 |
