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Todor G Georgiev, Chintan Intwala, Sevket Derin Babacan: Radiance processing by demultiplexing in the frequency domain. Adobe Systems Incorporated, Wolfe SBMC, October 15, 2013: US08559756 (112 worldwide citation)

Method and apparatus for radiance processing by demultiplexing in the frequency domain. A frequency domain demultiplexing module obtains a radiance image captured with a lens-based radiance camera. The image includes optically mixed spatial and angular frequency components of light from a scene. The ...


2
Chintan Intwala, Todor G Georgiev: Method and apparatus for managing artifacts in frequency domain processing of light-field images. Adobe Systems Incorporated, Robert C Kowert, Meyertons Hood Kivlin Kowert & Goetzel P C, August 14, 2012: US08244058 (99 worldwide citation)

Various methods and apparatus for removing artifacts in frequency domain processing of light-field images are described. Methods for the reduction or removal of the artifacts are described that include methods that may be applied during frequency domain processing and a method that may be applied du ...


3
Todor G Georgiev, Chintan Intwala: Method and apparatus for radiance capture by multiplexing in the frequency domain. Adobe Systems Incorporated, Robert C Kowert, Meyertons Hood Kivlin Kowert & Goetzel P C, September 13, 2011: US08019215 (40 worldwide citation)

An external mask-based radiance camera may be based on an external, non-refractive mask located in front of the main camera lens. The mask modulates, but does not refract, light. The camera multiplexes radiance in the frequency domain by optically mixing different spatial and angular frequency compo ...


4
Todor G Georgiev, Chintan Intwala: Method and apparatus for radiance capture by multiplexing in the frequency domain. Adobe Systems Incorporated, Robert C Kowert, Meyertons Hood Kivlin Kowert & Goetzel P C, February 28, 2012: US08126323 (21 worldwide citation)

An external mask-based radiance camera may be based on an external, non-refractive mask located in front of the main camera lens. The mask modulates, but does not refract, light. The camera multiplexes radiance in the frequency domain by optically mixing different spatial and angular frequency compo ...


5
Shmuel Avidan, Jen Chan Chien, Chintan Intwala: Independent resizing of multiple image regions. Adobe Systems Incorporated, Robert C Kowert, Meyertons Hood Kivlin Kowert & Goetzel P C, April 17, 2012: US08160398 (15 worldwide citation)

A system and method for expansion and reduction of images may apply resizing techniques independently to different regions of an input image to produce a resized version of the image having a specified target size and/or ratio. A content-aware resizing technique may be applied to some regions of the ...


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Chintan Intwala, Todor G Georgiev: Managing artifacts in frequency domain processing of light-field images. Adobe Systems Incorporated, Wolfe SBMC, December 17, 2013: US08611693 (12 worldwide citation)

Various methods and apparatus for removing artifacts in frequency domain processing of light-field images are described. Methods for the reduction or removal of the artifacts are described that include methods that may be applied during frequency domain processing and a method that may be applied du ...


7
Shmuel Avidan, Jen Chan Chien, Chintan Intwala: Banded seam carving of images with pyramidal retargeting. Abode Systems Incorporated, Robert C Kowert, Meyertons Hood Kivlin Kowert & Goetzel P C, October 2, 2012: US08280191 (12 worldwide citation)

A system and method for expansion and reduction of images uses pyramidal retargeting to reduce complexity in image resizing. An image pyramid may be generated dependent on a function of pixel data or energy values for each pixel of an input image. An image resizing solution may be developed by apply ...


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Chintan Intwala: Seam-based reduction and expansion of images using parallel processing of retargeting matrix strips. Adobe Systems Incorporated, Robert C Kowert, Meyertons Hood Kivlin Kowert & Goetzel P C, May 15, 2012: US08180177 (11 worldwide citation)

Systems, methods, and computer-readable storage media for resizing images using seam carving techniques may access a pre-computed retargeting matrix for an input image that associates each pixel of the input image with a cost order of a horizontal and/or vertical seam of which the pixel is a part. T ...


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Shmuel Avidan, Jen Chan Chien, Chintan Intwala: Seam-based reduction and expansion of images with table-based priority. Adobe Systems Incorporated, Robert C Kowert, Meyertons Hood Kivlin Kowert & Goetzel P C, October 2, 2012: US08280186 (7 worldwide citation)

A system and method for expansion and reduction of images uses a look-up table to define an arbitrary mapping of data (e.g., pixel values) representing an image to respective energy values. Each pixel value may represent an absolute color or intensity value, a difference in color or intensity values ...


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Shmuel Avidan, Jen Chan Chien, Chintan Intwala: Non-linear image scaling with seam energy. Adobe Systems Incorporated, Robert C Kowert, Meyertons Hood Kivlin Kowert & Goetzel P C, July 10, 2012: US08218900 (7 worldwide citation)

A system and method for expansion and reduction of images uses a hybrid resizing technique that combines seam carving and image scaling techniques to reduce or expand an image. Seam carving techniques may be used to identify one or more low-cost seams of an input image, and these low-cost seams may ...