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Your search returned 57 patents.
( 358/426.04 in Current US Classification )
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Patent IDTitleDate Filed
7245396 Image data coding apparatus, image data decoding apparatus, image data coding method and image data decoding method December 6, 2002
7145696 Print data compression method and printer driver October 29, 2004
7136534 Quality based image compression June 12, 2003
7123768 Apparatus and method for detecting a pattern April 25, 2001
7092118 Progressive image transmission using discrete wavelet transforms November 29, 2004
7068398 System and method for efficient tile generation from complex raster data November 7, 2001
6965647 Robust time domain block decoding November 28, 2000
6944356 Locating point of interest in an impaired image May 13, 2002
6930803 Information processing apparatus and processing method therefor November 15, 2000
6847468 Progressive image transmission using discrete wavelet transforms January 27, 2003
6778301 Fast preview of CCITT-compressed documents December 6, 2000
6751357 Data structure for image transmission, image coding method, and image decoding method January 3, 2001
6747762 Method for optimizing compression of scanned data November 5, 1999
6747753 Image processing apparatus, control method of image processing apparatus, and storage medium storing therein control program for image processing apparatus March 23, 1999
6728002 Information recording apparatus December 6, 1999
6721070 Apparatus and method for counting pixels in print data November 4, 1999
6701021 System and method for encoding/decoding multidimensional data using successive approximation multi-stage vector quantization November 22, 2000
6600836 Quality based image compression January 28, 2000
6583887 Method and apparatus for data compression February 26, 1999
6522424 Image data transfer system and method February 10, 1999
6219157 Image coding apparatus August 22, 1997
6219147 Digital multi-functional machine and method capable of photocopying, printing and transmitting facsimile images March 26, 1998
6181435 Image forming method and apparatus July 1, 1997
6134348 Image processing apparatus and method October 3, 1997
6125207 Encoded facsimile communication with a selective system and method therefor June 5, 1995
5949555 Image processing apparatus and method February 3, 1995
5937101 Post-processing device for eliminating blocking artifact and method therefor January 19, 1996
5933542 Method and apparatus for blocking effect reduction in images by post-processing in the spatial domain April 24, 1996
5926292 Image processing apparatus June 26, 1997
5838817 Image processing apparatus and method for coding and decoding chromaticity information May 26, 1995
5818966 Method and apparatus for encoding color information on a monochrome document January 23, 1995
5778092 Method and apparatus for compressing color or gray scale documents December 20, 1996
5739926 Method of transmitting and receiving image data and apparatus which is used in such a method June 7, 1995
5719686 Image communicating apparatus December 15, 1994
5703967 Color image transmitting method December 4, 1996
5689588 Method and apparatus for increasing compressibility of multibit image data with the LSB value determined in the thresholding operation based on pixel position January 3, 1996
5583953 Intelligent doubling for low-cost image buffers June 30, 1993
5524067 Image processing device employing coding with edge information preserved June 6, 1995
5504591 System and method for compressing graphic images April 25, 1994
5438432 Data transmitting apparatus September 24, 1992
5420693 High-speed color image processing April 1, 1992
5416606 Method and apparatus for encoding or decoding an image in accordance with image characteristics September 23, 1994
5396567 Process for adaptive quantization for the purpose of data reduction in the transmission of digital images May 13, 1993
5157519 Serial computer peripheral for facsimile image and ascii text communication August 24, 1989
5113457 Image information code processing system March 25, 1988
5065447 Method and apparatus for processing digital data July 5, 1989
5065446 Image data coding apparatus June 2, 1988
5060285 Hierarchical variable block size address-vector quantization using inter-block correlation May 19, 1989
5038389 Encoding of a picture signal in consideration of contrast in each picture and decoding corresponding to the encoding June 24, 1988
4922349 Data communication apparatus January 13, 1988
4759053 Facsimile/character communication system November 7, 1984
4694352 Image information processing system September 13, 1985
4414580 Progressive transmission of two-tone facsimile June 1, 1981
4222076 Progressive image transmission September 15, 1978
4193097 Facsimile apparatus April 25, 1978
4151562 Methods and apparatus for transmitting image data January 24, 1978
3974325 Interpolator for facsimile bandwidth compression October 21, 1974
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