Motorola Corporation

Freescale Semiconductor,inc.

Other

Motorloa, Inc.

Yolanda Prieto

Jose I Suarez

Yolanda M Pirez

Zhongli He

Walter L Davis

Yong Yan

Arnold W Yanof

George W Smoot

Miles A Sakauye

Jose' I Suarez

Connecting viewers in the broadcasting and gaming experience for the purpose of enhancing the entertainment experience of a user is a fast growing technical area. It seeks to engage the viewer in a media that is visually rich which consequently provides a new and unique form of enhancing the user experience.

Video enabled digital devices for embedding user data in interactive applications

A method for transmitting encoded video data includes determining an available space for transmitting an encoded video data in a last remaining information block of a video packet. The method further includes if the available space is sufficient, based on a comparison of the an estimated size of the encoded video data with the available space, then transmitting the encoded video data using the last remaining information block of the video packet. The method further includes if the available space is insufficient, changing a coding scheme associated with the encoded video data to transform the encoded video data into reduced size video data and transmitting the reduced size video data using the last remaining information block of the video packet.

Transmission of packet data

An image processing system is disclosed which uses gain information from an input image to determine a threshold value used to filter the input image. The gain information is indicative of the amount of illumination of the input image and thus the noise level. The image processing system includes an image processor, a converter and a filter. The image processor receives and processes first image information into second image information and extracts the gain information from the first image information. The converter converts the gain information into a filter threshold, which is used by the filter to filter the second image information to provide filtered image information. The converter may include a lookup table storing noise characteristic estimates or the threshold values. The threshold values may further be based on subband size. The filter may be a wavelet-based transform denoising filter.

Gain controlled threshold in denoising filter for image signal processing

A video adjustment system for processing video information is disclosed which includes a motion analyzer and an adjustment module. The motion analyzer determines a motion level metric of the video information based on at least one motion parameter. The adjustment adjusts an initial dynamic light scaling factor to provide an adjusted dynamic light scaling factor based on the motion level. The dynamic light scaling factor may be used for luminance compensation and backlight display scaling. The motion level may be based on any type of motion information, such as motion vector information or information indicating a scene change. A distortion module may perform a distortion evaluation of the video information for calculating the initial scaling factor. Alternatively, the distortion module may include a memory which stores predetermined scaling factors based on statistical distortion level characterization.

Dynamic compensation of display backlight by adaptively adjusting a scaling factor based on motion

A rate control system for a video encoder including rate control logic which determines a first QP corresponding to a selected encoding layer of multiple encoding layers, and scaling logic configured to scale the first QP to a second QP corresponding to any other encoding layer based on at least one encoding layer parameter. A template of stored QP values may be used to reduce computational complexity, such as a QP value for each frame interval or a QP value for each of multiple rate control interval complexity values. The QP values in the template may be predetermined or programmed and updated during periodic training sessions. Several encoding layer parameters are contemplated, such as any combination of bit rate, frame rate and frame resolution. The scaling logic may be configured to scale from any one encoding layer to another and vice-versa for bi-directional scaling.

Scalable rate control system for a video encoder

A localized content adaptive filter system including a tile buffer having an output providing first image information, a frequency analyzer providing a frequency information signal based on frequency content of the first image information, and an adaptive filter which is adjusted based on the frequency information signal. The frequency analyzer may include a wavelet transform filter and a frequency content analyzer. The adaptive filter may include filter select logic which receives the frequency information signal and second image information associated with the first image information, and which provides filtered image information. The filter select logic determines a filter based on the frequency information signal and the determined filter filters the second image information to provide the filtered image information. The filter select logic may include preconfigured filters in which a filter is selected by the frequency information, or a programmable filter which is programmed according to the frequency information.

Localized content adaptive filter for low power scalable image processing

A motion stabilization system including a filter bank and motion stabilization logic. The filter bank receives a video signal and provides at least one high frequency sub-band signal which includes edge information of the video signal. The motion stabilization logic receives the high frequency sub-band signal, a reference image, and the video signal and provides a stabilized image. The reference image is generated from image stabilization information developed during motion processing. The motion stabilization system may include an edge detector which receives and binarizes the high frequency sub-band signal. Binarization significantly reduces the amount of information to be processes by the motion stabilization logic. The motion stabilization system may further include a tile buffer which stores a portion of the video signal and which provides a video signal portion to the filter bank. The filter bank may be implemented as a discrete wavelet transformation filter.

Image and video motion stabilization system

A digital data system () provides 1-D, 2-D and 3-D capability and multi-band channel capability. Improved filter banks are created by generating a filter bank having an analysis portion and synthesis portion and obtaining wavelet coefficients () for each portion. The wavelet coefficients are expressed in a format capable of canonical signed digit (CSD) representation, such as integers (). The canonical signed digit (CSD) representation is controlled by a value, N, selected to control resolution of the CSD coding. Optimized CSD-coded wavelet coefficients are used as filters for data signals ().

Method and apparatus for implementing wavelet filters in a digital system

An encoder () selects () one or more subsets of spatially or temporally correlated transformed data coefficients, on the basis of the significance of each subset in representing the data. The encoder () and a complementary decoder () may be applied to wavelet transform encoded images (). The encoder () may be implemented on a wireless to Internet gateway server (), in order to reduce byte size of encoded images () sent through a wireless network (), and reduce the amount of processing that must be performed by a wireless device () to decode an image or other data. The decoder () and/or encoder () may be implemented on the wireless device ().

System and method for efficiently encoding an image by prioritizing groups of spatially correlated coefficients based on an activity measure

A digital data system ( ) provides 1-D, 2-D and 3-D capability and multi-band channel capability. Improved filter banks are created by generating a filter bank having an analysis portion and synthesis portion and obtaining wavelet coefficients ( ) for each portion. The wavelet coefficients are expressed in a format capable of canonical signed digit (CSD) representation, such as integers ( ). The canonical signed digit (CSD) representation is controlled by a value, N, selected to control resolution of the CSD coding. Optimized CSD-coded wavelet coefficients are used as filters for data signals ( ).

An encoder ( ) selects ( ) one or more subsets of spatially or temporally correlated transformed data coefficients, on the basis of the significance of each subset in representing the data. The encoder ( ) and a complementary decoder ( ) may be applied to wavelet transform encoded images ( ). The encoder ( ) may be implemented on a wireless to Internet gateway server ( ), in order to reduce byte size of encoded images ( ) sent through a wireless network ( ), and reduce the amount of processing that must be performed by a wireless device ( ) to decode an image or other data. The decoder ( ) and/or encoder ( ) may be implemented on the wireless device ( ).

A method for generating a wavelet filter provides improved selectivity with minimal computational intensity in digital data systems (,). The process begins by generating an initial wavelet formed of low pass and high pass analysis filter bank (,). The next steps include obtaining an upper triangular matrix which, when multiplied by the initial wavelet, produces a product retaining the symmetry and enhancing the number of zero moment(s) of the initial wavelet (,); and obtaining a lower triangular matrix which, when multiplied by the initial wavelet, produces a product retaining the symmetry and the zero moment of the initial wavelet (,). By multiplying the upper and lower triangular matrices with the initial wavelet, an updated wavelet filter with improved selectivity is produced (,).

Method and apparatus of creating and implementing wavelet filters in a digital system

An input data signal (102) in a digital signal processing system gets adaptively quantized by performing a LMS error algorithm on a signal of transformed coefficients (113), determining paths of minimum error (202), and forming a three-dimensional matrix (206) representing these paths. Centroids are computed (208) based on the paths of minimum error (206), and these computed centroids are used as part of a next iteration to represent new quantization states and levels.

Method and apparatus for quantizing a signal in a digital system

A data compression system 200, method, and apparatus 214 employs an encoder 210 optimized to decorrelate and make independent from the original signal 202, the quantization noise produced during signal compression. The proposed system 200, method, and apparatus 214 supports high degrees of signal compression, which in turn leads to lower computational complexity and improved performance. Because the quantization noise produced during signal compression is made independent from and non-orthogonal (i.e., uncorrelated) to the original signal 202, enhanced filtering is achievable, which in turn leads to improvements in the signal-to-noise ratio (SNR) of the decoder 220.

Data compression system, method, and apparatus

A data compression system (200) employs an encoder (210) optimized to decorrelate and make independent from the original signal (202), the quantization noise produced during signal compression by a quantizer (214). Because the quantization noise produced during signal compression is made independent from and orthogonal (i.e., uncorrelated) to the original signal (202), filtering is achievable by filter (223) which is an adaptive oriented uncorrelated Weiner (AOW). The filter (223) adaptively selects a filter mask from a plurality of available filter masks. Mask selection is based, in part, upon either filter orientation or generation of a minimum variance output. Image component processing is performed on a local (e.g., pixel-by-pixel or 2-by-2) basis as opposed to a global basis (e.g., across the entire image).

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Miami, FL, United States of America

Yolanda Prieto