Recent Patents in Signal Processing (February 2013) - 3D Video Processing

For our February 2013 issue, we focus on recent patents in 3D Video Processing. The selection below contains patents issued in the recent past in various applications of 3D video. These include advances in 3D video compression, watermarking of 3D signals, rendering multiview content, classification based on 3D video data, conversion of 2D data to 3D, and others.

US 8,330,801, "Complexity-adaptive 2D-to-3D video sequence conversion", by H. Wang, H. -T. Li and S. Manjunath, filed 22 December 2006, issued 11 December 2012, assigned to Qualcomm Incorporated (San Diego, CA) .

US 8,284,237, "Rendering multiview content in a 3D video system", by Y. Chen and M. Hannuksela, filed 9 September 2009, issued 9 OCtober 2012, assigned to Nokia Corporation (Espoo, FI).

US 8,300,881, "Method and system for watermarking 3D content", by X. Chen, S. Hulyalkar, M. Kellerman and I. Klebanov, filed 16 September 2009, issued 30 October 2012, assigned to Broadcom Corporation (Irvine, CA).

US 8,248,417, "Flattening 3D images", by M. Clifton, filed 28 August 2008, issued 21 August 2012, assigned to Adobe Systems Incorporated (San Jose, CA).

US 8,126,261, "3D face reconstruction from 2D images", by G. Medioni and D. Fidaleo, filed 25 July 2007, issued 28 February 2012, assigned to University of Southern California (Los Angeles, CA).

US 8,358,301, "Video depth map alignment", by S. de Waele, P. Newton, H. Li, M. Barbieri and J. Weda, filed 26 October 2007, issued 22 January 2013, assigned to Koninklijke Philips Electronics N.V. (Eindhoven, NL).

US 8,265,478, "Plenoptic camera with large depth of field", by T. Georgiev, filed 9 May 2011, issued 11 September 2012, assigned to Adobe Systems Incorporated (San Jose, CA).

US 8,199,248, "Two-dimensional polynomial model for depth estimation based on two-picture matching", by P. Li, E. Wong and S. Triteyaprasert, filed 30 January 2009, issued 12 June 2012, assigned to Sony Corporation (Tokyo, JP) and Sony Electronics Inc. (Park Ridge, NJ).

US 8,160,390, "Minimal artifact image sequence depth enhancement system and method", by B. Sandrew and T. Baldridge, filed 1 November 2010, issued 17 April 2012, assigned to Legend3D, Inc. (San Diego, CA).

US 8,189,943, "Method for up-sampling depth images", by S. Yea, K. -J. Oh and A. Vetro, filed 17 March 2009, issued 29 May 2012, assigned to Mitsubishi Electric Research Laboratories, Inc. (Cambridge, MA).

US 8,224,064, "System and method for 3D imaging using structured light illumination", by L. Hassebrook, D. Lau and H. Dietz, filed 25 October 2006, issued 17 July 2012, assigned to University of Kentucky Research Foundation, Inc. (Lexington, KY).

If you have an interesting patent to share when we next feature patents related to 3D Video Processing, or if you are especially interested in a signal processing research field that you would want to be highlighted in this section, please send email to Shantanu Rane (rane AT merl DOT com).