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Class Information
Number: 348/384.1
Name: Television > Bandwidth reduction system
Description: Subject matter including apparatus to compress the frequency range of the signal produced by a picture signal generator prior to transmission to accommodate the bandwidth limitation of the transmission medium or means at the receiver to utilize the signal to reconstruct an image.










Sub-classes under this class:

Class Number Class Name Patents
348/390.1 Data rate reduction 156
348/426.1 Format type 64
348/439.1 Frame field or line dropping followed by time expansion and time compression 44
348/438.1 Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band) 27
348/388.1 Multiple channel (e.g., plural carrier) 55
348/385.1 Plural video programs in single channel 108
348/440.1 Scan rate variation 24


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8630499 Image processing apparatus and control method thereof Jan. 14, 2014
8619866 Reducing memory bandwidth for processing digital image data Dec. 31, 2013
8611431 Method and apparatus for transmitting data Dec. 17, 2013
8599932 Carriage systems encoding or decoding JPEG 2000 video Dec. 3, 2013
8564725 Video data processing apparatus and contrast correcting method Oct. 22, 2013
8527003 System and apparatus for high data rate wireless communications Sep. 3, 2013
8515190 Method and apparatus for encoding and decoding image by using large transformation unit Aug. 20, 2013
8477841 Video processing method, encoding device, decoding device, and data structure for facilitating layout of a restored image frame Jul. 2, 2013
8466986 Image capturing apparatus, image capturing control method, and storage medium storing program for image capturing Jun. 18, 2013
8443398 Architecture for delivery of video content responsive to remote interaction May. 14, 2013
8391622 Enhanced image/video quality through artifact evaluation Mar. 5, 2013
8392950 Architecture for delivery of video content responsive to remote interaction Mar. 5, 2013
8384825 Video image transfer device and display system including the device Feb. 26, 2013
8340127 Method, apparatus and system for allocating IPTV resources Dec. 25, 2012
8311348 Method and apparatus for encoding and decoding image by using large transformation unit Nov. 13, 2012
8311842 Method and apparatus for expanding bandwidth of voice signal Nov. 13, 2012
8302131 Method of processing non-real time service and broadcast receiver Oct. 30, 2012
8253756 Circuit for performing dithering on pixels of a display and method thereof Aug. 28, 2012
8249368 Image processing device Aug. 21, 2012
8249386 Video bandwidth resolution in DFT-based spectrum analysis Aug. 21, 2012
8204320 Method and apparatus for encoding and decoding image by using large transformation unit Jun. 19, 2012
8203619 Target bit rate decision method for wavelet-based image compression Jun. 19, 2012
8189664 Methods for encrypting and compressing video May. 29, 2012
8189856 System and apparatus for evaluating the reliability of a watermarking technique for a video sequence May. 29, 2012
8175325 Method and apparatus for encoding/decoding symbols carrying payload data for watermarking of an audio or video signal May. 8, 2012
8161512 Method for processing targeting descriptor in non-real-time receiver Apr. 17, 2012
8161513 Method for receiving a broadcast signal and broadcast receiver Apr. 17, 2012
8144998 Image processing apparatus and method thereof Mar. 27, 2012
8139872 Splitting file types within partitioned images Mar. 20, 2012
8090025 Moving-picture coding apparatus, method and program, and moving-picture decoding apparatus, method and program Jan. 3, 2012
8055091 Method of filtering pixels in a video encoding process Nov. 8, 2011
8027385 Efficient video coding Sep. 27, 2011
8000387 System and method for Huffman shaping in a data communication system Aug. 16, 2011
8000539 Geometrical image representation and compression Aug. 16, 2011
7984477 Real-time video compression Jul. 19, 2011
7982796 Track for improved video compression Jul. 19, 2011
7965768 Video signal encoding apparatus and computer readable medium with quantization control Jun. 21, 2011
7929795 Coding scheme for a data stream representing a temporally varying graphics model Apr. 19, 2011
7873224 Enhanced image/video quality through artifact evaluation Jan. 18, 2011
7855751 Data transmission device and data reception device Dec. 21, 2010
7853088 Moving-picture layered coding and decoding methods, apparatuses, and programs Dec. 14, 2010
7792372 Method and apparatus for encoding/decoding image based on region of interest Sep. 7, 2010
7769237 Dynamic, locally-adaptive, lossless palettization of color and grayscale images Aug. 3, 2010
7761055 Extension device Jul. 20, 2010
7752052 Scalable coder and decoder performing amplitude flattening for error spectrum estimation Jul. 6, 2010
7742646 Modified high dynamic range color decompression Jun. 22, 2010
7742645 Encoding device and method Jun. 22, 2010
7697606 System and method for huffman shaping in a data communication system Apr. 13, 2010
7676098 Information processing apparatus, system and method for compression of image data Mar. 9, 2010
7649994 System and method for decoding CDMA quality channel Jan. 19, 2010

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