Method and system for coding or decoding of a series of images
Gespeichert in:
| Titel: | Method and system for coding or decoding of a series of images |
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| Patent Number: | 7,245,773 |
| Publikationsdatum: | July 17, 2007 |
| Appl. No: | 10/275837 |
| Application Filed: | May 03, 2001 |
| Abstract: | A method and system are provided for coding or decoding a series of images, wherein base information is determined using a method for source coding, with residual error information being produced during the source coding between the series of images and a coded series of images, the additional information is generated for the gradual display of residual error information, in that the residual error information is subdivided into frequency ranges and gradually scaled, and the series of images is coded using the base information and the additional information, with the additional information guaranteeing a progressive improvement in the coding quality. |
| Inventors: | Blaettermann, Gabi (Berlin, DE); Marpe, Detlev (Berlin, DE) |
| Assignees: | Siemens Aktiengesellschaft (Munich, DE) |
| Claim: | 1. A method for coding a series of images, the method comprising the steps of: determining base information for the series of images using a method for source coding, with residual error information being produced during the source coding, between the series of images and a coded series of images; generating additional information for the series of images for a gradual representation of the residual error information, with the residual error information being subdivided into frequency ranges and gradually scaled; and coding the series of images using the base information and the additional information, with the additional information guaranteeing a progressive improvement in coding quality; and transmitting the series of images to a receiver via a channel as a bitstream, wherein the subdivision of the frequency ranges is effected such that the additional information for each image in the series of images is transmitted according to its significance. |
| Claim: | 2. A method for coding a series of images as claimed in claim 1 , wherein the channel is subject to interference. |
| Claim: | 3. A method for coding a series of images as claimed in claim 1 , wherein the residual error information is determined from one image in the series of images and a quantized image in the series of images in an image area. |
| Claim: | 4. A method for coding a series of images as claimed in claim 1 , wherein the residual error information is determined from one image in the series of images and a quantized image in the series of images in a transformation area. |
| Claim: | 5. A method for coding a series of images as claimed in claim 1 , wherein the method for source coding is a standardized image coding method. |
| Claim: | 6. A method for coding a series of images as claimed in claim 5 , wherein the standardized image coding method is a method according to an MPEG standard. |
| Claim: | 7. A method for coding a series of images as claimed in claim 5 , wherein the standardized image coding method is a method according to an H.26x standard. |
| Claim: | 8. A method for coding a series of images as claimed in claim 1 , wherein the base information is taken into account when determining the additional information. |
| Claim: | 9. A method for coding a series of images as claimed in claim 1 , wherein each image in the series of images is restored using the base information and the additional information. |
| Claim: | 10. A method for coding a series of images, the method comprising the steps of: determining base information for the series of images using a method for source coding, with residual error information being produced during the source coding, between the series of images and a coded series of images; generating additional information for the series of images for a gradual representation of the residual error information, with the residual error information being subdivided into frequency ranges and gradually scaled; coding the series of images using the base information and the additional information, with the additional information guaranteeing a progressive improvement in coding quality; and transmitting the series of images to a receiver via a channel as a bitstream, wherein, over a specified set of values of positional information, most significant bits in each case are input into the bitstream iteratively for all the values in the set. |
| Claim: | 11. A method for coding a series of images, the method comprising the steps of: determining base information for the series of images using a method for source coding, with residual error information being produced during the source coding, between the series of images and a coded series of images; generating additional information for the series of images for a gradual representation of the residual error information, with the residual error information being subdivided into frequency ranges and gradually scaled; coding the series of images using the base information and the additional information, with the additional information guaranteeing a progressive improvement in coding quality; and transmitting the series of images to a receiver via a channel as a bitstream, wherein, as additional information, the largest residual error information is transmitted first. |
| Claim: | 12. A system for coding a series of images, comprising a processor unit for effecting the steps of determining base information for the series of images using a method for source coding, with residual error information being produced during the source coding, between the series of images and a coded series of images, generating additional information for the series of images for a gradual representation of residual error information, with the residual error information being subdivided into frequency ranges and gradually scaled, coding the series of images using the base information and the additional information, with the additional information guaranteeing a progressive improvement in coding quality, and transmitting the series of images to a receiver via a channel as a bitstream, wherein the subdivision of the frequency ranges is effected such that the additional information for each image in the series of images is transmitted according to its significance. |
| Claim: | 13. A system for coding a series of images as claimed in claim 12 , wherein the processor unit further effects the step of restoring each image in the series of images using the base information and the additional information. |
| Claim: | 14. A system for coding a series of images, comprising a processor unit for effecting the steps of determining base information for the series of images using a method for source coding, with residual error information being produced during the source coding, between the series of images and a coded series of images, generating additional information for the series of images for a gradual representation of residual error information, with the residual error information being subdivided into frequency ranges and gradually scaled, coding the series of images using the base information and the additional information, with the additional information guaranteeing a progressive improvement in coding quality, and transmitting the series of images to a receiver via a channel as a bitstream, wherein over a specified set of values of positional information, most significant bits in each case are input into the bitstream iteratively for all the values in the set. |
| Claim: | 15. A system for coding a series of images, comprising a processor unit for effecting the steps of determining base information for the series of images using a method for source coding, with residual error information being produced during the source coding, between the series of images and a coded series of images, generating additional information for the series of images for a gradual representation of residual error information, with the residual error information being subdivided into frequency ranges and gradually scaled, coding the series of images using the base information and the additional information, with the additional information guaranteeing a progressive improvement in coding quality, and transmitting the series of images to a receiver via a channel as a bitstream, wherein, as additional information, the largest residual error information is transmitted first. |
| Claim: | 16. A method of generating a bitstream representing a coded series of images, the method comprising: determining base information for the series of images using a method for source coding, with residual error information being produced during the source coding, between the series of images and a coded series of images; generating additional information for the series of images for a gradual representation of the residual error information, with the residual error information being subdivided into frequency ranges and gradually scaled; and coding the series of images using the base information and the additional information, with the additional information guaranteeing a progressive improvement in coding quality; generating a bitstream using the coded series of images; and transmitting the series of images to a receiver via a channel as the bitstream, wherein the subdivision of the frequency ranges is effected such that the additional information for each image in the series of images is transmitted according to its significance. |
| Claim: | 17. A method of generating a bitstream representing a coded series of images, the method comprising: determining base information for the series of images using a method for source coding, with residual error information being produced during the source coding, between the series of images and a coded series of images; generating additional information for the series of images for a gradual representation of the residual error information, with the residual error information being subdivided into frequency ranges and gradually scaled; and coding the series of images using the base information and the additional information, with the additional information guaranteeing a progressive improvement in coding quality; generating a bitstream using the coded series of images; and transmitting the series of images to a receiver via a channel as the bitstream, wherein, over a specified set of values of positional information, most significant bits in each case are input into the bitstream iteratively for all the values in the set. |
| Claim: | 18. A method of generating a bitstream representing a coded series of images, the method comprising: determining base information for the series of images using a method for source coding, with residual error information being produced during the source coding, between the series of images and a coded series of images; generating additional information for the series of images for a gradual representation of the residual error information, with the residual error information being subdivided into frequency ranges and gradually scaled; and coding the series of images using the base information and the additional information, with the additional information guaranteeing a progressive improvement in coding quality; generating a bitstream using the coded series of images; and transmitting the series of images to a receiver via a channel as the bitstream, wherein, as additional information, the largest residual error information is transmitted first. |
| Current U.S. Class: | 382/236 |
| Patent References Cited: | 5408270 April 1995 Lim 5706220 January 1998 Vafai et al. 5764802 June 1998 Simon 5838377 November 1998 Greene 5923785 July 1999 Dube 5995150 November 1999 Hasan et al. 6055017 April 2000 Shen et al. 197 34 542 February 1999 0 441 168 August 1991 2 341 034 March 2000 2 341 035 March 2000 WO 98/40842 September 1998 WO 98/53613 November 1998 WO 00/05898 February 2000 |
| Other References: | Bosveld et al., “Performance Evaluation of Hierarchical Coding Schemes for HDTV” Signal Processing Theories and Applications, Barcelona, 9-18/21-90, pp. 801-804. cited by other Patent Abstracts of Japan—2001307940—Nov. 2, 2001. cited by other “Digital Image Compression Techniques” Rabbani et al. vol. TT 7. cited by other Digitale Fernsehtechnik—Ulrich Reimers. cited by other SPIE vol. 1001 Visual Communications and Image Processing '88—“Displacement estimation by hierarchical blockmatching” Bierling, pp. 942-951. cited by other Fernseh und Kino Technik 48, Jahrgang Nr. Mar. 1994—MPEG-2-Bildcodierung fur das digitale Fernsehen, De Lameillieure et al, pp. 99-107. cited by other |
| Primary Examiner: | Dang, Duy M. |
| Attorney, Agent or Firm: | Bell, Boyd & Lloyd LLP |
| Dokumentencode: | edspgr.07245773 |
| Datenbank: | USPTO Patent Grants |
| Abstract: | A method and system are provided for coding or decoding a series of images, wherein base information is determined using a method for source coding, with residual error information being produced during the source coding between the series of images and a coded series of images, the additional information is generated for the gradual display of residual error information, in that the residual error information is subdivided into frequency ranges and gradually scaled, and the series of images is coded using the base information and the additional information, with the additional information guaranteeing a progressive improvement in the coding quality. |
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