Picture encoding device and method thereof, picture decoding device and method thereof, and recording medium
October 18, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethods and apparatus for image compression by iterated function system Modular digital signal processing system Image compression method and apparatus Method and apparatus for processing digital data Test system for acquiring, calculating and displaying representations of data sequences Method and apparatus for coding an image Video signal encoding apparatus utilizing control of quantization step size for improved picture quality Picture data processing apparatus High efficient encoding/decoding system Apparatus for compressing image data employing entropy encoding of data scanned from a plurality of spatial frequency bands InventorsAssigneeApplicationNo. 733928 filed on 10/18/1996US Classes:375/240.11, Subband coding348/398.1, Subband encoding (e.g., low horizontal/low vertical frequency, low horizontal/high vertical frequency)348/403.1, Involving transform coding348/420.1, Involving block coding375/240.24Block codingExaminersPrimary: Britton, Howard W.Attorney, Agent or FirmInternational ClassH04N 007/30Foreign Application Priority Data1995-10-26 JPAbstractA picture is divided into either one of three types of macroblocks and then encoded in such a manner that block distortion, mosquito noise and ringing are reduced while picture coding efficiency is improved. | |
