Bizarre Patents
A gun that fires a missile, powered by gas "discharged by the operator of the toy."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7256827 | Image reading device with thinned pixel data The image reading device comprises an imaging device on which an on-chip color filter is provided. The on-chip color filter has color filter elements of the Bayer arrangement, for example. Pixel data, output from the imaging device, are stored in a memory. When the ... | 08/14/2007 |
| 7242717 | Wavelet domain motion compensation system Motion estimation for interframe coding of digital video is performed by matching blocks of transform coefficients representing a frame to be predicted with a phase-allocated array of coefficients representing a reference frame. ... | 07/10/2007 |
| 7236634 | Image encoding of moving pictures In an encoding method of moving pictures which generates a predictive picture for a current picture based on a reference picture and a motion vector, a macroblock is divided into subblocks. In each of the plurality of subblocks, an initial value of the motion vector... | 06/26/2007 |
| 7215384 | Method and apparatus for simplifying field prediction motion estimation Motion estimation on a received stream of data comprising at least a predicted frame and an anchor frame, and utilizing even-parity field prediction to predict content of each of a plurality of fields of the predicted frame from corresponding fields of the anchor fr... | 05/08/2007 |
| 7215707 | Optimal scanning method for transform coefficients in coding/decoding of image and video An optimal scanning method for coding/decoding an image signal is provided. In a method of coding an image signal through a discrete cosine transform, at least one is selected among a plurality of reference blocks. A scanning order in which to scan blocks to be code... | 05/08/2007 |
| 7154950 | Adaptive early exit techniques in image correlation Plural sum of absolute difference devices are used to calculate distortions between specified parts of specified images in a video stream. The video can be from a video camera, or other device. ... | 12/26/2006 |
| 7136525 | System and method for background maintenance of an image sequence The present invention is embodied in a system and method for maintaining a background model of an image sequence by processing on multiple spatial scales. These multiple spatial scales include a pixel scale, a regional scale and a frame scale. The image sequence und... | 11/14/2006 |
| 7116283 | Methods and apparatus for improved display of visual data for point of sale terminals Improved techniques for transmission and display of video data are described. A point of sale terminal includes a processor, memory and software executed by the processor to create frames of data and to analyze the frames of data to create differential data defining... | 10/03/2006 |
| 7103554 | Method and device for generating a data flow from variable-length code words and a method and device for reading a data flow from variable-length code words In a method for producing a data stream of code words of variable lengths which are divided up into a plurality of sets of code words, wherein a raster having segments is specified for the data stream, wherein two adjacent raster points define a segment, code words ... | 09/05/2006 |
| 7079579 | Block matching processor and method for block matching motion estimation in video compression There is provided a block matching processor and method for flexibly supporting block matching motion estimation at motion vector prediction modes using matching blocks of various sizes. Each of difference unit (D-unit) arrays takes each smallest size matching block... | 07/18/2006 |
| 7075986 | Method and apparatus for providing scalable pre-compressed digital video with reduced quantization based artifacts A method for generating a digital motion video sequence at a plurality of bit rates uses a transitional coding source when switching between bitstreams having different bit rates during transmission of a video sequence. The transitional data may be frames coded usin... | 07/11/2006 |
| 7054363 | Variable bit rate video encoding method and device The DVD standard, with which a very good quality is required all along the recording step, allows for variable bit rate transmission of data, according to which more bits are spent when the pictures are more complex. As the encoded sequence must fit into a fixed bit... | 05/30/2006 |
| 7020203 | Dynamic intra-coded macroblock refresh interval for video error concealment The present invention provides, in one embodiment, a system and method for concealing video errors. The system includes a coding engine for processing each frame of a video signal to generate macroblocks, selecting a refresh interval based upon network communication... | 03/28/2006 |
| 7006698 | Method and apparatus for compressing a video image An apparatus and method for performing two-pass real time video compression is provided. Tactical decisions such as encoding and quantification values are determined in software, whereas functional execution steps are performed in hardware. By appropriately apportio... | 02/28/2006 |
| 6993102 | System and method for clock synchronization for USB sink device In a method for adaptive synchronization of a data sink device to a data source device coupled by a USB, data is received and stored in a buffer of the sink device at an average data rate representative of the data rate of the source device. A data level for the buf... | 01/31/2006 |
| 6973461 | Method and apparatus for controlling reproduction of an audiovisual work Disclosed is a method and apparatus for building a database of content objectionable scenes of an audiovisual work, and a method and apparatus which uses the database to control reproduction of the work. The database may be stored on a server and made available to c... | 12/06/2005 |
| 6973126 | Video coding apparatus according to a feature of a video picture A variance between sequential video pictures is extracted, and then, a GOP boundary position is decided based on inter-frame variance information. Furthermore, simple motion estimation is carried out with respect to video pictures inside one GOP. If a motion variati... | 12/06/2005 |
| 6968005 | Video coding A method of encoding a video signal representing a sequence of pictures, the method employing both non-temporal prediction and temporal prediction, wherein the method comprises, for each picture that forms a reference picture for the temporal prediction of another p... | 11/22/2005 |
| 6959044 | Dynamic GOP system and method for digital video encoding This invention discloses an intra-frame complexity based dynamic GOP system and method for the encoding of MPEG-2 video streams. The present invention may be used as a rate control tool to improve video quality. The selective insertion of low complexity I frames in ... | 10/25/2005 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6937657 | Motion video signal encoder and encoding method A motion video signal encoder maximizes image quality without exceeding transmission bandwidth available to carry the encoded motion video signal by comparing encoded frames of the motion video signal to a desired size of frame. If the size of encoded frames differ ... | 08/30/2005 |
| 6937291 | Adaptive video scaler An adaptive filter is adjustable for performing scaling operations. During a scaling operation, the adaptive filter stores scaled data in a memory such that more data samples may be retrieved during a subsequent scaling operation. The size of a finite impulse respon... | 08/30/2005 |
| 6934331 | Brightness-variation compensation method and coding/decoding apparatus for moving pictures A moving image brightness variation compensation method for encoding digital moving images for transmission and storage, and for image processing when editing moving images, the moving image brightness variation compensation method comprising a step of compensating ... | 08/23/2005 |
| 6912253 | Method and apparatus for transcoding coded video image data A transcoding apparatus converts first coded data obtained from a plurality of frames forming a video image by means of a coding algorithms including an interframe prediction coding algorithm with motion compensation into second coded data having a different structu... | 06/28/2005 |
| 6859494 | Methods and apparatus for sub-pixel motion estimation The methods and apparatus is for sub-pel motion estimation of a block of pixels. Search points which are redundant between the various full pel and sub-pel searches during the motion estimation process of a block of pixels are disregarded. Matching costs for the blo... | 02/22/2005 |
| 6850567 | Embedding supplemental data in a digital video signal An MPEG-encoded video signal includes groups of pictures (GOPs), each GOP having an intraframe coded (I) picture and a series of predictively encoded (P) pictures and bidirectionally predictively encoded (B) pictures. Usually, the GOP structure IBBPBBP . . . is used... | 02/01/2005 |
| 6839384 | Method and apparatus for decoding compressed video signals The top field of a coded picture is exclusively decoded. If the decoded field is structured as field picture and the top field of a reference picture is referenced, decoded motion vectors are used to perform a motion compensation. If the nonexistent bottom field of ... | 01/04/2005 |
| 6826229 | Device and method for coding video information A video encoder includes a signal processing unit for producing block information such as quantization scale and quantized DCT coefficients and a coding unit for variable-length coding the quantized block information. The amount of generated coded data per unit time... | 11/30/2004 |
| 6823015 | Macroblock coding using luminance date in analyzing temporal redundancy of picture, biased by chrominance data A technique is provided for encoding macroblocks of a frame of a sequence of video frames initially employing luminance data only to analyze temporal redundancy of the macroblocks within the frame. Upon deciding to code at least one macroblock as a non-intra macrobl... | 11/23/2004 |
| 6810080 | Method and apparatus for decoding video data A video decoder for decoding video pictures encoded according to the MPEG-2 standard, having reduced memory requirements, including a memory for storing means for storing a plurality of anchor frames, the decoder employing such anchor frames to generate B-frames, an... | 10/26/2004 |
| 6683986 | Efficient transmission of quarter-VGA images using DVC codecs Methods and apparatus for encoding and decoding video subframes (e.g., lower-resolution video) with a DVC video coder are disclosed. The disclosed embodiments allow a DVC video coder to efficiently code a subframe. The disclosed encoder embodiments redist... | 01/27/2004 |
| 6654483 | Motion detection using normal optical flow A system and method allow for the detection, segmentation and analysis of regions of motion. The system and method use a motion history image generated by observing an object over a given period of time. The motion history image contains numerous regions ... | 11/25/2003 |
| 6625215 | Methods and apparatus for context-based inter/intra coding mode selection A technique is provided for use in a video processing system for selecting between an inter-frame coding mode and an intra-frame coding mode when processing a current portion of a video sequence. The technique includes identifying previously reconstructed... | 09/23/2003 |
| 6542639 | Region extraction apparatus, region extraction method and computer readable recording medium A region extraction apparatus for extracting a desired region from a moving image, includes a region specifying unit for specifying contour points of a region which is to be extracted, a template creating unit for creating a template of the region which i... | 04/01/2003 |
| 6519005 | Method of concurrent multiple-mode motion estimation for digital video A method for motion coding an uncompressed digital video data stream such as an MPEG-2 digital video data stream. The method includes the steps of comparing pixels of a first pixel array in a picture currently being coded with pixels of a plurality of sec... | 02/11/2003 |
| 6456656 | Method and apparatus for coding and for decoding a picture sequence Motion-compensated hybrid codecs are used in data compression for moving picture sequences. By virtue of the regular insertion of intraframe-coded pictures, these compression methods enable access to any desired individual pictures in the entire bit strea... | 09/24/2002 |
| 6434196 | Method and apparatus for encoding video information A method and apparatus for encoding, illustratively, a video information stream to produce an encoded information stream according to a group of frames (GOF) information structure where the GOF structure and, optionally, a bit budget are modified in respo... | 08/13/2002 |
| 6434271 | Technique for locating objects within an image A technique for locating objects within an image is disclosed. In one embodiment, the technique is realized by obtaining an image and then identifying an object within the image based upon an orientation of the object within the image. The image can be a ... | 08/13/2002 |
| 6353680 | Method and apparatus for providing image and video coding with iterative post-processing using a variable image model parameter The present invention is an apparatus that comprises a memory including one or more instructions and a processor coupled to the memory. In response to the one or more instructions, the processor transforms an image to provide a transformed image and quant... | 03/05/2002 |
| 6347115 | Method and system for predictive coding of images treated with the Roberts Method The method and system of this invention predictively encodes and decodes an image signal that has been treated with the Roberts Method. The method and system generates a noise signal that is substantially similar to the noise signal generated during the R... | 02/12/2002 |
