WO2001054397A3 - Improved digital camera device with methodology for efficient color conversion - Google Patents

Improved digital camera device with methodology for efficient color conversion Download PDF

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Publication number
WO2001054397A3
WO2001054397A3 PCT/US2001/001595 US0101595W WO0154397A3 WO 2001054397 A3 WO2001054397 A3 WO 2001054397A3 US 0101595 W US0101595 W US 0101595W WO 0154397 A3 WO0154397 A3 WO 0154397A3
Authority
WO
WIPO (PCT)
Prior art keywords
digital camera
digital
imager
camera device
methodology
Prior art date
Application number
PCT/US2001/001595
Other languages
French (fr)
Other versions
WO2001054397A2 (en
Inventor
Venkat V Easwar
Eric O Bodnar
Shekhar Kirani
Philippe R Kahn
Sonia Lee Kahn
Original Assignee
Lightsurf Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/489,511 external-priority patent/US6825876B1/en
Application filed by Lightsurf Technologies Inc filed Critical Lightsurf Technologies Inc
Priority to AU2001230960A priority Critical patent/AU2001230960A1/en
Publication of WO2001054397A2 publication Critical patent/WO2001054397A2/en
Publication of WO2001054397A3 publication Critical patent/WO2001054397A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems

Abstract

A digital imaging system is described that provides techniques for reducing the amount of processing power required by a given digital camera device and for reducing the bandwidth required for transmitting image information to a target platform. The system defers and/or distributes the processing between the digital imager (i.e., digital camera itself) and the target platform that the digital imager will ultimately be connected to. The system only performs a partial computation at the digital imager device and completes the computation somewhere else, such as at a target computing device (e.g., desktop computer) where time and size are not an issue (relative to the imager).
PCT/US2001/001595 2000-01-21 2001-01-16 Improved digital camera device with methodology for efficient color conversion WO2001054397A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001230960A AU2001230960A1 (en) 2000-01-21 2001-01-16 Improved digital camera device with methodology for efficient color conversion

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/489,511 2000-01-21
US09/489,511 US6825876B1 (en) 1999-06-08 2000-01-21 Digital camera device with methodology for efficient color conversion

Publications (2)

Publication Number Publication Date
WO2001054397A2 WO2001054397A2 (en) 2001-07-26
WO2001054397A3 true WO2001054397A3 (en) 2002-01-10

Family

ID=23944178

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/001595 WO2001054397A2 (en) 2000-01-21 2001-01-16 Improved digital camera device with methodology for efficient color conversion

Country Status (2)

Country Link
AU (1) AU2001230960A1 (en)
WO (1) WO2001054397A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1578108A3 (en) * 2004-03-19 2007-05-30 Ricoh Company, Ltd. Apparatus and method for generating scanned data in a standard format
US7721204B2 (en) 2004-07-29 2010-05-18 Xerox Corporation Client dependent image processing for browser-based image document viewer for handheld client devices
US7539341B2 (en) 2004-07-29 2009-05-26 Xerox Corporation Systems and methods for processing image data prior to compression
US7620892B2 (en) 2004-07-29 2009-11-17 Xerox Corporation Server based image processing for client display of documents
US8812978B2 (en) 2005-12-22 2014-08-19 Xerox Corporation System and method for dynamic zoom to view documents on small displays

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0763943A2 (en) * 1995-09-12 1997-03-19 Matsushita Electric Industrial Co., Ltd. Coding method and wavelet transform apparatus
WO1999060793A1 (en) * 1998-05-21 1999-11-25 Intel Corporation The compression of color images based on a 2-dimensional discrete wavelet transform yielding a perceptually lossless image
US6125201A (en) * 1997-06-25 2000-09-26 Andrew Michael Zador Method, apparatus and system for compressing data
WO2000075859A1 (en) * 1999-06-08 2000-12-14 Lightsurf Improved digital camera device and methodology for distributed processing and wireless transmission of digital images

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0763943A2 (en) * 1995-09-12 1997-03-19 Matsushita Electric Industrial Co., Ltd. Coding method and wavelet transform apparatus
US6125201A (en) * 1997-06-25 2000-09-26 Andrew Michael Zador Method, apparatus and system for compressing data
WO1999060793A1 (en) * 1998-05-21 1999-11-25 Intel Corporation The compression of color images based on a 2-dimensional discrete wavelet transform yielding a perceptually lossless image
WO2000075859A1 (en) * 1999-06-08 2000-12-14 Lightsurf Improved digital camera device and methodology for distributed processing and wireless transmission of digital images

Also Published As

Publication number Publication date
WO2001054397A2 (en) 2001-07-26
AU2001230960A1 (en) 2001-07-31

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