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| Number | Title | Issue Date |
| 8386971 | Method and apparatus for low delay recursive filter design A method and apparatus for low delay recursive filter design. The method includes determining a predefined filter template with higher magnitude specification than a target filter design, determining at least one relaxation bound on the filter specification utilizin... | 02/26/2013 |
| 8341471 | Apparatus and method for synchronization within systems having modules processing a clock signal at different rates In a system in which a plurality of modules have different operational rates and a common clock controlling data delivery to the modules, the rate at which data is delivered to the system can be maximized using a return clock signal to prevent the loss of synchroniz... | 12/25/2012 |
| 8195002 | Adaptive post-deringing filter on compressed images An image filtering method, apparatus and system, wherein the method comprising the steps of detecting at least one portion of an edge, wherein the portion of the edge provides an indication that ringing artifact are probable; subjecting at least one portion of a pix... | 06/05/2012 |
| 8180635 | Weighted sequential variance adaptation with prior knowledge for noise robust speech recognition A method for adapting acoustic models used for automatic speech recognition is provided. The method includes estimating noise in a portion of a speech signal, determining a first estimated variance scaling vector using an estimated 2-order polynomial and the noise e... | 05/15/2012 |
| 8160136 | Probabilistic bit-rate and rate-distortion cost estimation for video coding A method of video encoding is provided that includes computing spatial variance for video data in a block of a video sequence, estimating a first bit-rate based on the spatial variance, a transform coefficient threshold, and variance multiplicative factors empirical... | 04/17/2012 |
| 8150199 | Methods and apparatus for image enhancement A method and apparatus of enhancing an image, the method comprising applying at least one multi-scale filter bank to at least a portion of an image to detect at least one edge at different scales, and combining the detected edges with said image to yield an enhanced... | 04/03/2012 |
| 8122311 | Apparatus and method for clock signal synchronization in JTAG testing in systems having selectable modules processing data signals at different rates In a test and debug system in which a plurality of selectable modules under test have different operational rates, a selection unit associated with each module is used to control the application of the RCLK signal from the module to the combiner unit, the combiner u... | 02/21/2012 |
| 8094638 | Adaptive selection of transmission parameters for reference signals An embodiment of the present invention uses estimates of delay spreads of transmissions from user equipments (UEs) to a NodeB to determine a set of transmission parameters for the UEs reference signals. In an exemplary embodiment, the transmission parameters for ref... | 01/10/2012 |
| 8085958 | Virtualizer sweet spot expansion Audio loudspeaker virtualizers and cross-talk cancellers and methods use a combination of interaural intensity difference and interaural time difference to define virtualizing filters. This allows enlargement of a listener's sweet spot based on psychoacoustic effect... | 12/27/2011 |
| 8085951 | Method and system for determining a gain reduction parameter level for loudspeaker equalization Methods, digital systems, and computer readable media are provided for determining a gain reduction parameter level for loudspeaker equalization by determining a noise score, an equalization effectiveness score, and an equalization non-effectiveness score for a cand... | 12/27/2011 |
| 8065140 | Method and system for determining predominant fundamental frequency Methods, digital systems, and computer readable media are provided for determining a predominant fundamental frequency of a frame of an audio signal by finding a maximum absolute signal value in history data for the frame, determining a number of bits for downshifti... | 11/22/2011 |
| 8063949 | Activity-based system and method for reducing gain imbalance in a bayer pattern and digital camera employing the same An activity-based system for, and method of, reducing Gr-Gb gain imbalance and a digital camera incorporating the system or the method. In one embodiment, the system includes: (1) a sensor configured to provide a input Bayer pattern array containing amplitudes corre... | 11/22/2011 |
| 8036522 | Method and system for auto-focusing Method and system for auto-focusing. The method includes checking for presence of a subject in a first frame. The method also includes determining a second frame indicative of an in-focus position of the subject if the presence of the subject is detected. The method... | 10/11/2011 |
| 7974418 | Virtualizer with cross-talk cancellation and reverb Audio loudspeaker and headphone virtualizers and cross-talk cancellers and methods use separate virtual speaker locations for different Bark frequency bands and a single reverberation filter for multi-channel virtualizer inputs. ... | 07/05/2011 |
| 7903870 | Digital camera and method Redeye removal methods detect redeyes in a two-step procedure. In the first step it detects faces in the input image and in the second step it searches for redeyes in the detected faces. The methods include the introduction of an efficient skin tone detector that re... | 03/08/2011 |
| 7894280 | Asymmetrical SRAM cell with separate word lines An integrated circuit includes a memory array having a plurality of SRAM memory cells arranged in a plurality of rows and columns, the array also having a plurality of word lines for accessing rows of cells and a plurality bit lines for accessing columns of cells. T... | 02/22/2011 |
| 7852941 | Transcoders and methods Transcoding as from MPEG-2 SDTV to MPEG-4 CIF reuses motion vectors and downsamples in the frequency (DCT) domain with differing treatments of frame-DCT and field-DCT blocks, and alternatively uses de-interlacing IDCT with respect to the row dimension plus deferred ... | 12/14/2010 |
| 7835535 | Virtualizer with cross-talk cancellation and reverb Audio loudspeaker and headphone virtualizers and cross-talk cancellers and methods use separate virtual speaker locations for different Bark frequency bands and a single reverberation filter for multi-channel virtualizer inputs. ... | 11/16/2010 |
| 7809188 | Digital camera and method Digital camera contrast enhancement with piecewise-linear transform with lower and upper cutoffs for the transform determined from histogram analysis with a green color conversion approximation for images and IIR parameter filtering for videos. ... | 10/05/2010 |
| 7778813 | Video coding quantization Modify H.263-type quantization with an adaptive quantization parameter floor; this limits clipping of quantized DCT coefficients and consequent artifacts. The maximum absolute level of AC coefficients of a DCT transformed macroblock provides a minimum quantization p... | 08/17/2010 |
| 7778408 | Method and apparatus for acoustic echo cancellation utilizing dual filters Hands-free phones with echo cancellation using dual filters, one fast adapting filter and one slow adapting filter; the choice of filters includes switching with hysteresis from recent performance, and the fast adapting filter has step size control to limit relative... | 08/17/2010 |
| 7653240 | Color filter array and method Color filter array demosaicing as is useful in digital cameras, still and video, using a single sensor includes blending of directional and non-directional interpolations. Directional interpolation uses edge detection with lowpass filtering with neighboring pixels f... | 01/26/2010 |
| 7459977 | Signal transfer circuit and circuit device using same A signal transfer circuit appropriate for use in realizing both high circuit stability and high current driving ability is disclosed. Signal transfer circuit A has current transfer circuit 3 that transfers a signal current via first reference current I1 | 12/02/2008 |
| 7443020 | Minimizing number of masks to be changed when changing existing connectivity in an integrated circuit Dummy stacks, each providing a common point of connectivity potentially across all metal layers, are incorporated along with the functional block in an integrated circuit. When the connectivity of elements of the functional block need to be changed later, the dummy ... | 10/28/2008 |
