Famous Patents
Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
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 |
| 6614843 | Stream indexing for delivery of interactive program guide Stream indexing for delivery of an interactive program guide. In accordance with a first aspect, a method of stream indexing for delivery of an interactive program guide comprises: assigning a first plurality of packet identifiers to program guide content... | 09/02/2003 |
| 6501799 | Dual-prime motion estimation engine An apparatus performs motion estimation based on an average of previous field references in a flexible, yet high performance manner. The apparatus has a command memory for storing a motion estimation command list segment which in turn contains a search co... | 12/31/2002 |
| 6496538 | Method and apparatus for motion estimation for digital video encoding A method for determining motion estimation in a set of video frames including the comparing of a first macroblock from a video frame in the set of video frames to a second macroblock in a reference video frame to determine a differential value. Then, the ... | 12/17/2002 |
| 6490322 | Digital opaque projector for easy creation and capture of presentation material A method for managing a frame of data includes capturing the frame of data from an image at a location. It is determined whether the image is a new image. The frame of data is displayed if the image is the new image.... | 12/03/2002 |
| 6483875 | Picture signal processing apparatus A matrix switcher selectively seizes plural compressed pictures and converts P-frames in a GOP into I-frames while modifying prediction data of B-frames in the GOP. A decoder expands the compressed pictures into original pictures. An input buffer memory c... | 11/19/2002 |
| 6480541 | 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... | 11/12/2002 |
| 6476852 | Imaging device for endoscope equipped with both NTSC system and PAL system An imaging device for an endoscope which can restrain the flicker of a screen caused when converting the television system, and furthermore, which makes it possible to unify processor circuits performing the processing of different systems. Having an NTSC... | 11/05/2002 |
| 6462776 | Security control system A security control system comprises n inputs (C1-C128) for receiving video signals from n cameras. A video switcher (2) including a programmable controller (4) is programmable to connect any one of the n inputs (C1-C128) to any one of m outputs (R1-R28) w... | 10/08/2002 |
| 6459731 | Technique for video communications using a coding-matched filter arrangement In a system for communicating an image, an image compression scheme is employed to encode the image to reduce the required bandwidth for transmitting same. For example, this compression scheme includes performing, on the image, a discrete cosine transform... | 10/01/2002 |
| 6459732 | Chroma-key for efficient and low complexity shape representation of coded arbitrary video objects A technique for implicitly encoding shape information by using a chroma-key color. A bounding box is created enclosing the video object. The bounding box is extended to be of size of next integer multiple of macroblock size and divided into a plurality of... | 10/01/2002 |
| 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 |
| 6456660 | Device and method of detecting motion vectors A motion vector detection device is provided that can suitably detect motion vectors by setting an optimum search range of vector values of a motion vector. The motion vector detection section 103 sequentially matches the input data 101 with the reference... | 09/24/2002 |
| 6452972 | Motion detection using field-difference measurements A method of measuring the motion in video image data for a pixel uses both field-difference and frame-difference motion values to generate a motion value having increased accuracy. Image data (806) from the same pixel in a prior row of the same field (906... | 09/17/2002 |
| 6445742 | Method and apparatus for transmitting and recovering video signal A method and an apparatus for transmitting and recovering a video signal are provided. The method for transmitting a video signal that has a hierarchical structure of a frame, groups of blocks (GOBs), and macro blocks includes a transmitter inserting a pl... | 09/03/2002 |
| 6441845 | Image pickup apparatus enlarging a dynamic range of an image pickup signal An endoscopic image pickup apparatus includes a camera head incorporating image pickup apparatus, a scope to which the camera head is connected detachably, and a light source apparatus supplying illumination light to the scope. A camera control unit (CCU)... | 08/27/2002 |
| 6442206 | Anti-flicker logic for MPEG video decoder with integrated scaling and display functions A digital video decoder system, method and article of manufacture are provided having integrated scaling capabilities for presentation of video in full size or a predetermined reduced size, while at the same time allowing for reduced external memory requi... | 08/27/2002 |
| 6438166 | Method and a apparatus for controlling a bit rate of picture data, and a storage medium which stores a program for controlling the bit rate In order to prevent a deterioration in reproduction quality of a moving picture, which is caused by a difference in data transfer rate for each frame of the moving picture data, when compressing the picture data, a bit rate of the compressed data is predi... | 08/20/2002 |
| 6437820 | Motion analysis system A motion analysis system for tracking the motion of one or more light-emitting markers attached to an object includes at least one camera for recording a series of image frames, and at least one light source in communication with said at least one camera ... | 08/20/2002 |
| 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 |
| 6421081 | Real time video rear and side viewing device for vehicles void of rear and quarter windows A real time video device for viewing the images at the rear and the sides of a vehicle. The real time video device includes a video camera movably mounted to the vehicle for capturing images of events occurring surrounding the vehicle and a video screen m... | 07/16/2002 |
| 6417881 | Image rotating device of stomatocamera Cylindrical support 20 having dope prism 2 built therein is rotatably fitted in barrel 23 as a constituent of stomatocamera frame 11. The support 20 has pin 22 erected on its periphery, and the barrel 23 is furnished with guide channel 4 formed along its ... | 07/09/2002 |
| 6408026 | Deadzone quantization method and apparatus for image compression A method for efficiently optimizing the bin widths for a distribution or an image to be compressed. An image having symmetric uni-modal distribution is divided into a zero bin having a zero bin width and a plurality of outer bins having an outer bin width... | 06/18/2002 |
| 6404461 | Method for detecting static areas in a sequence of video pictures The present invention is a method for detecting static areas in a sequence of digital video pictures. The method includes computing pixel differences between corresponding pixels of consecutive frames or consecutive fields with identical parities and accu... | 06/11/2002 |
| 6404813 | Bidirectionally predicted pictures or video object planes for efficient and flexible video coding A method is provided for decoding a bit stream representing an image that has been encoded. The method includes the steps of: performing an entropy decoding of the bit stream to form a plurality of transform coefficents and a plurality of motion vectors; ... | 06/11/2002 |
| 6400764 | Motion estimation method featuring orthogonal-sum concurrent multi matching A method for determining a best match between a first pixel array in a picture currently being encoded and a plurality of second pixel arrays in a search region of a reference picture, wherein each of the first and second pixel arrays includes a plurality... | 06/04/2002 |
| 6396874 | Decoding method and apparatus and recording method and apparatus for moving picture data A method and apparatus for recording moving picture data encoded using a prediction encoding system, in which the playback control information is recorded along with moving picture data encoded using the MPEG system. The playback control information inclu... | 05/28/2002 |
| 6392689 | System for displaying moving images pseudostereoscopically A system for displaying moving images from image information, e.g. on videotape or disk, in the form of a series of image frames to be displayed sequentially over a period of time. The image information does not contain stereoscopic information captured a... | 05/21/2002 |
| 6392692 | Network communication techniques for security surveillance and safety system A wireless security and surveillance system for port, port-to-transport and transport-to-transport communication of data and commands incorporates a plurality of strategically spaced sensors for monitoring critical conditions, components and critical area... | 05/21/2002 |
| 6392705 | Multimedia compression system with additive temporal layers A multimedia compression system for generating frame rate scaleable data in the case of video, and, more generally, universally scaleable data. Universally scaleable data is scaleable across all of the relevant characteristics of the data. In the case of ... | 05/21/2002 |
| 6392690 | Three-dimensional image display device In a 3-D image display device, a parallax barrier having a plurality of apertures is provided in front of an LCD element. Each aperture is equipped with a color filter of any one of red, green, and blue colors. The LCD element conducts monochromatic displ... | 05/21/2002 |
| 6381279 | Method for providing motion-compensated multi-field enhancement of still images from video Motion between two video fields is estimated by obtaining a two-bit representation of each sample in the bandpass filtered fields; determining an initial coarse motion estimate by comparing the two-bit representations which are associated with relatively ... | 04/30/2002 |
| 6377622 | Method and apparatus for coding/decoding scalable shapes by using scan interleaving A plurality of layers having other resolution are coded in order to encode scalably shape information. A base layer having the lower resolution is coded and transmitted to a decoder, and an enhancement layer is coded by employing a scan interleaving metho... | 04/23/2002 |
| 6377295 | Observer tracking directional display An observer tracking directional display comprises a spatial light modulator associated with a movable parallax optic. An observer tracker determines the position of an observer and controls the position of the optic by way of an electromechanical transdu... | 04/23/2002 |
| 6377296 | Virtual map system and method for tracking objects A system, for automatically tracking objects, including a computer processor and memory, cameras and other sensors and a user interface. A user registers an object with the system by presenting the object to a camera, which produces an image of the object... | 04/23/2002 |
| 6373893 | Motion vector detection device The invention intends to provide a motion vector detecting device capable of increasing the processing speed and simplifying the construction of the device. The motion vector detecting device relating to the invention searches a block most similar to a re... | 04/16/2002 |
| 6343098 | Efficient rate control for multi-resolution video encoding The invention provides a multi-resolution video encoding system which improves the computational efficiency associated with encoding a video sequence in two or more different resolutions. An illustrative embodiment includes a first encoder for encoding th... | 01/29/2002 |
| 6337880 | Indexing for motion video that is compressed using interframe and intraframe techniques Random access to arbitrary images, whether frames or fields, of a video segment compressed using both interframe and intraframe techniques may be enhanced by including state information, for decoding and display, at appropriate points in the compressed bi... | 01/08/2002 |
| 6337879 | Video data compression apparatus and method of same A video data compression apparatus with which compressed video data of suitable amounts of data can be produced and in addition the time required for processing is short. An encoder control unit performs a preprocessing for compression and coding and, at ... | 01/08/2002 |
| 6335760 | Image signal reproduction device An image signal reproduction device, provided in an electronic still camera, comprises a CPU, an image signal processing circuit, a memory card, in which a compressed image signal is recorded, and a display device having a liquid crystal display (LCD) and... | 01/01/2002 |
| 6333950 | Encoding apparatus and method and computer readable recording medium in which encoding program has been recorded In an encoding apparatus/method first information data which was variable length encoded is inputted, the first information data is variable length packetized by a plurality of data trains, second information data concerning the first information data is ... | 12/25/2001 |
