Systems and Methods for the Manipulation of Captured Light Field Image Data

• US 20130215108A1
• Filed: 02/21/2013
• Published: 08/22/2013
• Est. Priority Date: 02/21/2012
• Status: Active Grant

• Current Assignee: FotoNation Limited (Adeia Inc.)
• Original Assignee: Pelican Imaging Corporation
• Inventors: McMahon, Andrew Kenneth John, Venkataraman, Kartik, Mullis, Robert
• Granted Patent: US 9,412,206 B2
• Time in Patent Office: Days
• US Class Current: 345/419
• CPC Class Codes: G06F 3/013 Eye tracking input arrangements G06F3/015 takes precedence
• CPC Class Codes: G06F 3/041 Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures
• CPC Class Codes: G06T 19/00 Manipulating 3D models or images for computer graphics
• CPC Class Codes: G06T 19/20 Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
• CPC Class Codes: G06T 2200/21 involving computational photography

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.

Claims

1. A system for manipulating captured light field image data, comprising:

a processor;

a display connected to the processor and configured to display images;

a user input device connected to the processor and configured to generate user input data in response to user input; and

a memory connected to the processor and configured to store 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 configures 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, where the boundary data describes the edges of the identified region;

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; and

perform the received action 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 configures 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 configures the processor to detect an object in the first synthesized image using the boundary data and the depth map, where an object is a set of adjacent pixels in a synthesized image related based on corresponding depth information in the depth map.

5. The system of claim 4, wherein the image manipulation application further configures 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 configures 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 configured to generate 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 configured to generate 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 configures 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 configures the processor to perform the received action by;

determining at least one pixel in the image data corresponding to the boundary data in the 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;

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 the edges of the identified region and the depth map comprises depth information for one or more pixels in the image 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; and

performing the received action 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 view image pixels corresponding to specific pixels within the image data.

16. The method of claim 13, further comprising detecting an object in the first synthesized image based on the boundary data and the depth map using the image manipulation device, where an object is a set of adjacent pixels in a synthesized image related based on corresponding depth information in the depth map.

17. The method of claim 16, further comprising:

obtaining object data based on the detected object using the image manipulation device;

generating captured light field image metadata based on the requested search data using the image manipulation device; and

associating the captured light field image metadata with the pixels corresponding to the identified object in the image data using the image manipulation device.

18. The method of claim 17, further comprising receiving object data from a third party information server system separate and remote from the image manipulation device using the image manipulation device.

19. The method of claim 13, further comprising:

performing 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 using the image manipulation device.

20. The method of claim 19, further comprising:

generating input data using the image manipulation device by identifying at least one pixel identifying a region within the first synthesized image based on the detection of a gaze input received from a gaze tracking device in the image manipulation device; and

placing the focal plane of the second synthesized at a depth corresponding to the generated input data using the image manipulation device.

21. The method of claim 19, further comprising:

generating input data using the image manipulation device by identifying at least one pixel identifying a region within the first synthesized image based on the detection of a touch input received via a touchscreen device in the image manipulation device; and

placing the focal plane of the second synthesized at a depth corresponding to the generated input data using the image manipulation device.

22. The method of claim 13, further comprising:

identifying the focal plane of the first synthesized image using the boundary data; and

synthesizing a second image based on the identified focal plane, the blur modification data, and the captured light field image data using the image manipulation device, where the blur modification data affects the bokeh of the second synthesized image.

23. The method of claim 13, further comprising:

determining at least one pixel in the captured light field image data corresponding to the boundary data in the synthesized image using the image manipulation device;

retrieving captured light field metadata associated with the determined at least one pixel in the image data using the image manipulation device; and

displaying the retrieved metadata using the image manipulation device.

24. The method of claim 13, wherein:

the received action is selected from the group consisting of a cut action, a copy action, a paste action, and a recoloring action; and

performing the received action using the image manipulation device is based on the depth map associated with the captured light field image data.