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Class 348: Television

Generating, processing, transmitting or transiently displaying a sequence of images, either locally or remotely, in which the local light variations composing the images may change with time.

Subclass 466: Error correction or prevention
Subclass 593: Artificial key generation
Subclass 595: Fades signal generator
Subclass 700: Motion dependent key signal generation or scene change detection
Subclass 722: STUDIO EQUIPMENT
Subclass E5.056: Mixing (EPO)
Subclass E5.067: Scene change detection (EPO)

Class 375: Pulse Or Digital Communications

This is the generic class for pulse or digital communication systems using electrical or electromagnetic signals. Such communication includes transmitting an intelligence bearing signal from one point to another in the form of discrete variations in some parameter of the electrical or electromagnetic signal.

Subclass 240: BANDWIDTH REDUCTION OR EXPANSION
Subclass 240.01: Television or motion video signal
Subclass 240.03: Quantization
Subclass 240.13: Intra/inter selection
Subclass 240.16: Motion vector
Subclass E7.146: Coding or prediction mode selection (EPO)
Subclass E7.148: Refresh, i.e., intra-coding mode decision, e.g., at macroblock or picture level (EPO)
Subclass E7.161: Input video signal characteristics (EPO)
Subclass E7.176: Block or macroblock (EPO)
Subclass E7.183: Scene or shot (EPO)
Subclass E7.189: Involving preprocessing or postprocessing therefor (EPO)
Subclass E7.191: Involving cinematographic video sequences, e.g., sequences originated from film and converted to video through 3:2 pulldown (EPO)
Subclass E7.192: Involving scene cut detection in conjunction with bandwidth reduction (EPO)
Subclass E7.211: Involving transform and predictive coding , e.g., hybrid coding, Motion Picture Experts Group (MPEG) coding (EPO)
Subclass E7.24: Involving error detection or error correction (EPO)
Subclass E7.281: Using error concealment (EPO)

Class 707: Data Processing:Database And File Management Or Data Structures

This is the generic class for data processing apparatus and corresponding methods for the retrieval of data stored in a database or as computer files. It provides for data processing means or steps for generic data, file and directory upkeeping, file naming, and file and database maintenance including integrity consideration, recovery, and versioning. There are three main divisions: 1. database and file accessing; 2. database schema and data structure; 3. file and database maintenance.

Subclass E17.028: The images being video sequences (EPO)

Class G9B/27.029:

Class 382: Image Analysis

This is the generic class for apparatus and corresponding methods for the automated analysis of an image or recognition of a pattern. Included herein are systems that transform an image for the purpose of (a) enhancing its visual quality prior to recognition, (b) locating and registering the image relative to a sensor or stored prototype, or reducing the amount of image data by discarding irrelevant data, and (c) measuring significant characteristics of the image.

Subclass 173: IMAGE SEGMENTATION
Subclass 195: Local or regional features
Subclass 236: Interframe coding (e.g., difference or motion detection)
Subclass 238: Predictive coding
Subclass 280: Fourier transform

Class 358: Facsimile And Static Presentation Processing

Communication or reproduction of a static image or sequence of static images in which the local light, or density variations composing the image do not vary with time by a method or apparatus involving at least one of the following steps: (1) scanning a static image to capture an image-containing area by resolving it into an area; (2) communication of an image-representative signal or image-representative data over any supporting communication network; or (3) reproduction of an image-containing area in response to an image-representative signal or image-representative image data by reproducing a corresponding image area which at least one of the two dimensions is elemental, simultaneously or in a sequence. In this class, a facsimile system or method is a system or method for the communication or reproduction of an arbitrarily composed image in which the local light, or density variations composing the image do not vary with time, such as documents maps, charts, photographs, etc., but not motion picture film or video.

Subclass 1.1: STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.)
Subclass 1.11: Character or font
Subclass 1.15: Communication
Subclass 1.6: Specific to image source
Subclass 1.9: Attribute control

Class 345: Computer Graphics Processing And Selective Visual Display Systems

Processes and apparatus for selective electrical control of two or more light-generating or light-controlling display elements* in accordance with a received or stored image data signal. The image data includes character, graphical information or display attribute data. The image data may include, for example, information data from a peripheral input device, from the reception of a television signal, from the recognition of image data, or from the generation or creation of image data by a computer.

Subclass 698: Adjusting display pixel size or pixels per given area (i.e., resolution)