System and method for redefining depth-based edge snapping for three-dimensional point selection

Patent metadata

Field	Value
Publication number	US-2016189386-A1
Application number	US-201414584622-A
Country	US
Kind code	A1
Filing date	Dec 29, 2014
Priority date	Dec 29, 2014
Publication date	Jun 30, 2016
Grant date	—

Abstract

An information handling system includes a three dimensional camera and a processor. The three dimensional camera is configured to capture a three dimensional image. The processor is configured to provide the three dimensional image to be displayed on a display screen of the information handling system, to detect a selection of a pixel within the three dimensional image, and to redefine the selected pixel to be a second pixel. The second pixel has a large disparity within the three dimensional image or its two dimensional counterpart.

First claim

What is claimed is:

1 . An information handling system comprising:
a three dimensional camera to capture a three dimensional image; a processor configured to communicate with the three dimensional camera; and the processor to provide the three dimensional image to be displayed on a display screen of the information handling system, to detect a selection of a pixel within the three dimensional image, and to redefine the selected pixel to be a second pixel, wherein the second pixel has a large disparity within the three dimensional image.

2 . The information handling system of claim 1 wherein the processor is further configured to determine whether the selected pixel has a large disparity within the three dimensional image prior to redefining the selected pixel to be the second pixel.

3 . The information handling system of claim 1 wherein the processor is further configured to determine whether the selected pixel is within a threshold specific distance from the second pixel prior to redefining the selected pixel to be the second pixel.

4 . The information handling system of claim 3 , wherein the processor automatically selects the threshold specific distance based on distances between objects in the three dimensional image.

5 . The information handling system of claim 1 , wherein a disparity is calculated based on differences between a Z coordinate of a pixel and a Z coordinate of an adjacent pixel.

6 . The information handling system of claim 1 , wherein the processor is further configured to detect a line drawn between the selected pixel and a third pixel.

7 . The information handling system of claim 6 , wherein the processor is further configured to redefine a location of the third pixel to be a fourth pixel having a large disparity, and to calculate a distance between the second pixel and the fourth pixel.

8 . The information handling system of claim 1 wherein the processor is further configured to calculate a length of a dimension of an object associated with the second pixel in response to the selected pixel being redefined to the second pixel.

9 . A computer implemented method comprising:
displaying a three dimensional image on a display screen; detecting a selection of a pixel within the three dimensional image; and redefining, via a processor executing instructions, the selected pixel to be a second pixel, wherein the second pixel has a large disparity within the three dimensional image.

10 . The computer implemented method of claim 9 further comprising:
determining whether the selected pixel has a large disparity within the three dimensional image prior to redefining the selected pixel to be the second pixel.

11 . The computer implemented method of claim 9 further comprising:
determining whether the selected pixel is within a threshold specific distance from the second pixel prior to redefining the selected pixel to be the second pixel.

12 . The computer implemented method of claim 11 , wherein the threshold specific distance is automatically selected based on distances between objects in the three dimensional image.

13 . The computer implemented method of claim 9 , wherein a disparity is calculated based on differences between a Z coordinate of a pixel and a Z coordinate of an adjacent coordinate.

14 . The computer implemented method of claim 9 , further comprising:
detecting a line drawn between the selected pixel and a third pixel.

15 . The computer implemented method of claim 9 , further comprising:
calculating a length of a dimension of an object associated with an edge including the second pixel in response to the selected pixel being redefined to the second pixel.

16 . The computer implemented method of claim 15 , further comprising:
redefining a location of the third pixel to be a fourth pixel having a large disparity; and calculating a distance between the second pixel and the fourth pixel.

17 . An information handling system comprising:
a three dimensional camera to capture a three dimensional image; a processor configured to communicate with the three dimensional camera; and the processor to provide the three dimensional image to be displayed on a display screen of the information handling system, to detect a line drawn between a first pixel and a second pixel, to redefine the first pixel to be a third pixel, to redefine the second pixel to be a fourth pixel, wherein the third pixel and the fourth pixels have a large disparity within the three dimensional image.

18 . The information handling system of claim 1 , wherein a disparity is calculated based on differences between a Z coordinate of a pixel and a Z coordinate of an adjacent coordinate.

19 . The information handling system of claim 6 , wherein the processor is further configured to calculate a distance between the third pixel and the fourth pixel.

20 . The information handling system of claim 1 wherein the third pixel is located on an edge of a first object and the fourth pixel is located on an edge of a second object in the three dimensional image.

Assignees

• Dell Products Lp

Inventors

• Michaelraj Jeyprakash
• Andrews Maxwell B

Classifications

• G06T2207/10028

  Range image; Depth image; 3D point clouds · CPC title

• G06T2207/20101

  Interactive definition of point of interest, landmark or seed · CPC title

• G06T7/13

  Edge detection · CPC title

• G06T2200/04

  involving 3D image data · CPC title

• G06T7/62

  of area, perimeter, diameter or volume · CPC title