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...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8160139 | Adaptive quantizer, adaptive quantization method and adaptive quantization program Activities of a video signal are obtained for subblocks of each macroblock of each picture. The smallest activity is detected as an input-picture activity per macroblock. Obtained are activities of a motion-compensated predictive signal per first picture and activit... | 04/17/2012 |
| 8050320 | Statistical adaptive video rate control A method and apparatus for video rate control for a video encoding system for encoding a video signal includes determining 12 a variance of pixel values over a time t of the video signal and calculating 13 a quantization parameter for the time t using ... | 11/01/2011 |
| 7936818 | Efficient compression and transport of video over a network Provided is an enhancement to the Video Encoder component of the MPEG standard to improve both the efficiency and quality of the video presentation at the display device. ... | 05/03/2011 |
| 7912123 | Method and system for providing low cost robust operational control of video encoders The present invention discloses a simple low cost framework for robust operational control of video encoders. The framework comprises a two-layer architecture that effectively decouples the processes of video bit rate control and video quality/distortion control. Th... | 03/22/2011 |
| 7649940 | Image encoding apparatus and method The invention relates to an image coding apparatus which can improve the picture quality of an image. A quantization scale arithmetic operation section 43 calculates a coefficient of a quantization index based on a variance of values of a motion vector residu... | 01/19/2010 |
| 7555041 | Code quantity control apparatus, code quantity control method and picture information transformation method Code quantity control based on a virtual buffer is executed by using information extracted from picture compressed information conforming to a predetermined system. Thus, a reference quantization scale can be held at a fixed value throughout a frame. As a result, it... | 06/30/2009 |
| 7460597 | Encoding apparatus and method An encoding apparatus and method prevents image deterioration generated by repeatedly performing encoding and decoding by using a quantization matrix for quantization which is different from a quantization matrix for inverse quantization. In the encoding apparatus, ... | 12/02/2008 |
| 7418007 | Method and apparatus for determining a transmission bit rate in a statistical multiplexer A statistical multiplexer for coding and multiplexing multiple channels of digital television data, or multiple panels of HDTV digital television data. A bit rate need parameter is determined for each encoder in a stat mux group, and an encoding bit rate is allocate... | 08/26/2008 |
| 7391809 | Scalable video transcoding A scalable video transcoder with limited drifting error is disclosed. The transcoder accumulates re-quantization errors of I-frames or P-frames. The accumulated errors are only selectively introduced into the transcoding loop in every block to compensate for transco... | 06/24/2008 |
| 7372916 | Process and devices for transmitting digital signals over buses and computer program product therefore Digital signals are transmitted on a bus at given instants selectively in a non-encoded format and an encoded format. The decision whether to transmit the signals in non-encoded format or in encoded format is taken in part, based on a comparison of the signal to be ... | 05/13/2008 |
| 7369708 | Image data compression device and encoder An image data compression device including: a quantization section which quantizes image data; a FIFO buffer section which buffers quantized data for N frames (N is an integer greater than one) from the quantization section; an encoded data generation section which ... | 05/06/2008 |
| 7366319 | Embedding a multi-resolution compressed thumbnail image in a compressed image file A method (300) of encoding an image into an image code-stream. The method (300) generates a reduced resolution representation of the image and encodes the reduced resolution representation in accordance with a multi-resolution format to form an encoded... | 04/29/2008 |
| 7360230 | Overlay management A method of personalizing a broadcast channel, comprising: receiving an input from a user (110); and personalizing the broadcast channel; and transmitting the personalized broadcast channel to the user using a compressed video transport method. Preferably, co... | 04/15/2008 |
| 7356079 | Method and system for rate control during video transcoding A local system encodes previously decoded video data using a transcoding quantization value based on a source quantization value provided by a previous encoder as part of the retrieved video data. The transcoding quantization value can be determined additionally bas... | 04/08/2008 |
| 7350028 | Use of a translation cacheable flag for physical address translation and memory protection in a host A host coupled to a switched fabric including one or more fabric-attached I/O controllers. Such a host may comprise a processor; a host memory coupled to the processor; and a host-fabric adapter coupled to the host memory and the processor and provided to interface ... | 03/25/2008 |
| 7349539 | Encoding and encrypting devices for secure scalable data streaming A device and method thereof for encoding and encrypting data. The device includes a segmenter adapted to receive the data and segment at least a portion of the data into regions, a scalable encoder adapted to scalably encode at least one of the regions into scalably... | 03/25/2008 |
| 7343087 | Data stream playback device and method, digital broadcast receiver and related computer program When advance prediction is conducted for overflows and underflows, which are both types of buffer errors, and the occurrence of a buffer error is predicted, frames that a viewer will be unlikely to notice even if playback is omitted or conducted for a different dura... | 03/11/2008 |
| 7340394 | Using quality and bit count parameters in quality and rate control for digital audio An audio encoder regulates quality and bitrate with a control strategy. The strategy includes several features. First, an encoder regulates quantization using quality, minimum bit count, and maximum bit count parameters. Second, an encoder regulates quantization usi... | 03/04/2008 |
| 7336720 | Real-time video coding/decoding A video codec for real-time encoding/decoding of digitized video data with high compression efficiency, comprising a frame encoder receiving input frame pixels; a codec setting unit for setting and storing coding setting parameters; a CPU load controller for control... | 02/26/2008 |
| 7336208 | Up and down sample rate converter Sample rate converters (12) for converting input sample rates (F81) of signals into output sample rates (Fs4) are provided with sample rate adapters (3,6) for adapting (basic idea) intermediate sample rates (Fs2)... | 02/26/2008 |
| 7333542 | Moving picture decoding apparatus and moving picture decoding method A memory compression and expansion section (11 of FIG. 1) applies compression to a decoded image, and the result is stored in a frame memory. Based on an occupied content of the frame memory (FIG. 1, 106), in case that the number of coded bits f... | 02/19/2008 |
| 7327815 | Method for synchronizing several digital input signals The invention relates to a method for synchronizing a plurality of digital input signals which are formed by sampling with the aid of a dedicated operating clock in each case. In order to be able to carry out such a method reliably with a relatively low outla... | 02/05/2008 |
| 7327893 | Method for compressing digital images The invention concerns a method for compressing data, in particular images, by transform, in which method this data is projected onto a base of localized orthogonal or biorthogonal functions, such as wavelets. To quantize each of the localized functions with a quant... | 02/05/2008 |
| 7321995 | Coding system and decoding system In a coding system wherein an error correction/detect-ion coding is combined with a synchronization recovering technique using a synchronization code, the problems of a pseudo synchronization and a step out due to error detect-ion are solved. There is provided a cod... | 01/22/2008 |
| 7318157 | Derivation and quantization of robust non-local characteristics for blind watermarking An implementation of a technology is described herein for deriving robust non-local characteristics and quantizing such characteristics for blind watermarking of a digital good. ... | 01/08/2008 |
| 7302000 | Method and system for two-pass video encoding using sliding windows A method for two-pass video encoding using sliding windows. The method receives a video sequence (VS), selects a portion of frames in the VS from the beginning as an analysis window, encodes each frame in the analysis window to acquire multiple statistical features,... | 11/27/2007 |
| 7295609 | Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information An image information coding apparatus codes an input image signal in a manner optimized on the basis of the visual characteristics. In quantization, an input image signal is divided into blocks, an orthogonal transform is performed on a block-by-block basis, and res... | 11/13/2007 |
| 7295971 | Accounting for non-monotonicity of quality as a function of quantization in quality and rate control for digital audio An audio encoder regulates quality and bitrate with a control strategy. The strategy includes several features. First, an encoder regulates quantization using quality, minimum bit count, and maximum bit count parameters. Second, an encoder regulates quantization usi... | 11/13/2007 |
| 7292731 | Image encoder, image decoder, image encoding method, and image decoding method The image coding apparatus is constituted comprising an atom extraction section 109 for acquiring position data indicating the positions of atoms of prediction residual data in macroblocks, for each of the macroblocks; and a variable length encoding section | 11/06/2007 |
| 7292632 | Method and apparatus for transforming moving picture coding system A first data sequence generated by a first moving picture coding system having an intra-frame coding mode and an inter-frame coding mode is transformed to a second data sequence generated by a second moving picture coding system having an intra-frame coding mode and... | 11/06/2007 |
| 7280595 | Post-inverse-quantization AC prediction with a unified variable-length-decoding and inverse-quantization stage A motion-picture-experts group (MPEG) decoder performs AC prediction to decode first-column or first-row coefficients that are coded as differences from corresponding coefficients in a prior block or an above block. Rather than perform AC prediction between the vari... | 10/09/2007 |
| 7277484 | Image coding and decoding method and apparatus considering human visual characteristics An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is g... | 10/02/2007 |
| 7277483 | Method and apparatus for rate control for constant-bit-rate finite-buffer-size video encoder A method and apparatus for rate control for a constant-bit-rate finite-buffer-size video encoder is described. Rate control is provided by adjusting the size of non-intra frames based on the size of intra frames. A sliding window approach is implemented to avoid exc... | 10/02/2007 |
| 7272359 | Communicating signals according to a quality indicator using multiple antenna elements One or more quality indicators are established at a first communication device having antenna elements. The quality indicators indicate a quality of one or more communication links between the first communication device and one or more second communication devices. ... | 09/18/2007 |
| 7272181 | Method and apparatus for estimating and controlling the number of bits output from a video coder A method and apparatus is provided for estimating the number of bits output from a video coder given a known spatial data content, G={g1, . . . , gN}, of a group of luminance and chrominance blocks, and a known coding mode, d, where d represent... | 09/18/2007 |
| 7269219 | Non-linear quantizer for video coding A quantizer and dequantizer for use in a video coding system that applies non linear, piece-wise linear scaling functions to video information signals based on a value of a variable quantization parameter. The quantizer and dequantizer apply different non linear, pi... | 09/11/2007 |
| 7266148 | Video transcoding apparatus Disclosed is a video transcoding apparatus converting a specific bit rate of an MPEG (moving pictures experts group) bit stream into a different rate thereof for transportation. The present invention includes a video pre-processing unit having a predetermined matrix... | 09/04/2007 |
| 7266147 | Hypothetical reference decoder A hypothetical reference decoder. ... | 09/04/2007 |
| 7266288 | Video/audio playback apparatus and video/audio playback method Provided is a video/audio playback apparatus and a video/audio playback method in which on receiving an instruction for switching video operation from the video operation switching circuit, a data reading circuit reads a video/audio stream for playing an audio and a... | 09/04/2007 |
| 7263482 | Accounting for non-monotonicity of quality as a function of quantization in quality and rate control for digital audio An audio encoder regulates quality and bitrate with a control strategy. The strategy includes several features. For example, an encoder selects a quantization level within a range of quantization levels, where the selecting accounts for non-monotonicity of quality m... | 08/28/2007 |
