Two-dimensional infrared depth sensing
First Claim
Patent Images
1. An image processing method, comprising:
- receiving, from an infrared (IR) camera, a signal encoding an IR image including a plurality of IR pixels, each IR pixel specifying IR intensity of that IR pixel;
identifying, in the IR image, IR-skin pixels that image a human hand;
for each IR-skin pixel, estimating a depth of a human hand portion imaged by that IR-skin pixel based on the IR intensity of that IR-skin pixel; and
deriving a skeletal hand model including a plurality of hand joints, each hand joint defined with three independent position coordinates inferred from the estimated depths of each human hand portion.
1 Assignment
0 Petitions
Accused Products
Abstract
A signal encoding an infrared (IR) image including a plurality of IR pixels is received from an IR camera. Each IR pixel specifies one or more IR parameters of that IR pixel. IR-skin pixels that image a human hand are identified in the IR image. For each IR-skin pixel, a depth of a human hand portion imaged by that IR-skin pixel is estimated based on the IR parameters of that IR-skin pixel. A skeletal hand model including a plurality of hand joints is derived. Each hand joint is defined with three independent position coordinates inferred from the estimated depths of each human hand portion.
-
Citations
20 Claims
-
1. An image processing method, comprising:
-
receiving, from an infrared (IR) camera, a signal encoding an IR image including a plurality of IR pixels, each IR pixel specifying IR intensity of that IR pixel; identifying, in the IR image, IR-skin pixels that image a human hand; for each IR-skin pixel, estimating a depth of a human hand portion imaged by that IR-skin pixel based on the IR intensity of that IR-skin pixel; and deriving a skeletal hand model including a plurality of hand joints, each hand joint defined with three independent position coordinates inferred from the estimated depths of each human hand portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
-
-
13. A computing device, comprising:
-
an infrared (IR) camera interface configured to receive, from an IR camera, an IR image including a plurality of IR pixels, each IR pixel specifying an IR intensity of that IR pixel; a logic machine; and a storage machine holding instructions executable by the logic machine to; identify, in the IR image, IR-skin pixels that image a human hand; for each IR-skin pixel, estimate a depth of a human hand portion imaged by that IR-skin pixel based on the IR intensity of that IR-skin pixel; and derive a skeletal hand model including a plurality of hand joints, each hand joint defined with three independent position coordinates inferred from the estimated depths of each human hand portion. - View Dependent Claims (14, 15, 16, 17, 18)
-
-
19. An image processing method, comprising:
-
receiving, from a camera, a signal encoding an image including a plurality of pixels, each pixel specifying an IR intensity of that pixel; identifying, in the image, skin pixels that image a human hand; for each skin pixel, estimating a depth of a human hand portion imaged by that skin pixel based on the IR intensity of that skin pixel; and deriving a skeletal hand model including a plurality of hand joints, each hand joint defined with three independent position coordinates inferred from the estimated depths of each human hand portion. - View Dependent Claims (20)
-
Specification