Systems and methods for the manipulation of captured light field image data

Patent metadata

Field	Value
Publication number	US-9412206-B2
Application number	US-201313773284-A
Country	US
Kind code	B2
Filing date	Feb 21, 2013
Priority date	Feb 21, 2012
Publication date	Aug 9, 2016
Grant date	Aug 9, 2016

Abstract

Systems and methods for the manipulation of captured light fields and captured light field image data in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a system for manipulating captured light field image data includes a processor, a display, a user input device, and a memory, wherein a depth map includes depth information for one or more pixels in the image data, and wherein an image manipulation application configures the processor to display a first synthesized image, receive user input data identifying a region within the first synthesized image, determine boundary data for the identified region using the depth map, receive user input data identifying at least one action, and perform the received action using the boundary data and the captured light field image data.

First claim

What is claimed is:

1. A system for manipulating captured light field image data, comprising:
a processor;
a display connected to the processor and capable of displaying images;
a user input device connected to the processor and capable of generating user input data in response to user input; and
a memory connected to the processor and storing captured light field image data and an image manipulation application;
wherein the captured light field image data comprises image data, pixel position data, and a depth map;
wherein the depth map comprises depth information for one or more pixels in the image data; and
wherein the image manipulation application directs the processor to:
display a first synthesized image based on the image data using the display;
receive user input data identifying at least one pixel identifying a region within the first synthesized image using the user input device;
determine boundary data for the identified region using the depth map, wherein:
boundary data is determined by utilizing the depth information along with color and intensity data to determine at least one boundary at a particular depth within the first synthesized image; and
the boundary data describes edges of at least one object within the identified region based on the depth of the pixels in the image data corresponding to the boundary data;

receive user input data identifying at least one action to be performed using the user input device, where the action to be performed comprises an image processing operation utilizing the depth information; and
perform the received action to the identified region using the boundary data and the captured light field image data.

2. The system of claim 1 , wherein the image data in the captured light field image data is the first synthesized image.

3. The system of claim 1 , wherein:
the image data in the captured light field image data is a low resolution image;
the pixel position data describes pixel positions for alternative view image pixels corresponding to specific pixels within the image data; and
the image manipulation application directs the processor to synthesize the first image using the image data, the pixel position data, and the depth map.

4. The system of claim 1 , wherein:
the image manipulation application directs the processor to detect an object in the first synthesized image using the boundary data and the depth map by utilizing the depth information along with color and intensity data to determine the boundaries of at least one solid object within the first synthesized image; and
a detected object comprises a set of adjacent pixels in the first synthesized image related based on corresponding depth information in the depth map and defined by the determined boundaries.

5. The system of claim 4 , wherein the image manipulation application further directs the processor to:
obtain object data based on the detected object;
generate captured light field image metadata using the requested search data; and
associate the captured light field image metadata with the pixels corresponding to the identified object in the image data.

6. The system of claim 5 , wherein the object data is received from a third party information server system separate and remote from the image manipulation device.

7. The system of claim 1 , wherein:
the received action is a refocus action; and
the image manipulation application further directs the processor to perform the received action by synthesizing a second image using a synthetic aperture in the captured light field image data having a focal plane placed at the depth corresponding to the depth map of the pixels within the determined boundary data.

8. The system of claim 7 , wherein:
the input device is a gaze tracking device capable of generating input data identifying at least one pixel identifying a region within the first synthesized image based on the detection of a gaze input; and
the focal plane of the first synthesized image is placed at a depth corresponding to the generated input data.

9. The system of claim 7 , wherein:
the input device is a touchscreen device capable of generating input data identifying at least one pixel identifying a region within the first synthesized image based on received touch input data; and
the focal plane is placed at a depth corresponding to the depth of the region in the first synthesized image corresponding to the generated input data.

10. The system of claim 1 , wherein:
the received action is a bokeh modification action comprising blur modification data; and
the image manipulation program further directs the processor to perform the received action by:
identifying the focal plane of the first synthesized image using the boundary data; and
synthesizing a second image using the identified focal plane, the blur modification data, and the captured light field image data.

11. The system of claim 1 , wherein:
the captured light field image data further comprises captured light field metadata associated with at least one pixel in the captured light field image data;
the received action is a metadata retrieval action; and
the image manipulation application further directs the processor to perform the received action by:
determining at least one pixel in the image data corresponding to the boundary data in the first synthesized image;
retrieving the captured light field metadata associated with the determined at least one pixel; and
displaying the retrieved metadata using the display.

12. The system of claim 1 , wherein the received action is selected from the group consisting of a cut action, a copy action, a paste action, and a recoloring action, where the received action is performed as a function of the depth map associated with the captured light field image data.

13. A method for manipulating captured light field image data, comprising:
obtaining captured light field image data using an image manipulation device, where the captured light field image data comprises image data, pixel position data, and a depth map, wherein the depth map comprises depth information for one or more pixels in the image data;
displaying a first synthesized image based on the image data using the image manipulation device;
receiving user input data identifying at least one pixel identifying a region within the first synthesized image using the image manipulation device;
determining boundary data for the identified region based on the depth map using the image manipulation device, where the boundary data describes edges of at least one object within the identified region and the depth map comprises depth information for one or more pixels in the image data based on the depth of the pixels in the image data corresponding to the boundary data;
receiving user input data identifying at least one action to be performed using the image manipulation device, where the action to be performed comprises an image processing operation utilizing the depth map; and
performing the received action to the identified region based on the boundary data and the captured light field image data using the image manipulation device.

14. The method of claim 13 , wherein the image data in the captured light field image data is the first synthesized image.

15. The method of claim 13 , further comprising synthesizing the first image based on the image data, the pixel position data, and the depth map using the image manipulation device; wherein:
the image data in the captured light field image data is a low resolution image; and
the pixel position data describes pixel positions for alternative

Assignees

• Pelican Imaging Corp

Inventors

• Mcmahon Andrew Kenneth John
• Venkataraman Kartik
• Mullis Robert

Classifications

• G06T19/00

  Manipulating three-dimensional [3D] models or images for computer graphics · CPC title

• G06T2200/21

  involving computational photography · CPC title

• G06F3/013

  Eye tracking input arrangements (G06F3/015 takes precedence) · CPC title

• G06F3/0488 Primary

  using a touch-screen or digitiser, e.g. input of commands through traced gestures · CPC title

• G06F3/041

  Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means · CPC title