Virtual reality interactivity system and method

J Romo - US Patent App. 10/897,692, 2006 - Google Patents
BACKGROUND 0002 Virtual reality is a technology for displaying a virtual environment to a
user with the virtual environment appearing to the user to be a Visually “real environment.” …

Broadband passive tracking for augmented reality

H Leung, X Liu - US Patent 8,610,771, 2013 - Google Patents
4,137.532 A* 1/1979 Taylor et al..................... 342/93 5,347,541 A* 9/1994 Iltis et al..........
375,230 5,828,944. A* 10/1998 Uppaluri et al................... 455.8 6,500,008 B1 12/2002 …

Culling before setup in viewport and culling unit

RW Gimby, HP Moreton, TM Ogletree… - US Patent …, 2008 - Google Patents
The VPC unit and setup unit of a graphics processing subsystem perform culling operations.
The VPC unit performs culling operations on geometric primitives falling within a specific …

Refining depth from an image

P Srinivasan - US Patent 11,386,671, 2022 - Google Patents
Depth estimates for an object made by one or more sensors of a vehicle may be refined
using locations of environmental attributes that are proximate the object. An image captured …

Accelerated volume rendering

BD D'amora - US Patent 8,564,617, 2013 - Google Patents
Performing accelerated Volume rendering of a scene in a computer system by: loading
Volumetric data into a first part of a system memory, the Volumetric data represented as a …

Broadband passive tracking for augmented reality

H Leung, X Liu - US Patent 9,390,503, 2016 - Google Patents
Technologies are generally described for a broadband passive sensing and tracking system
that may employ a number of passive receivers that each have the capability of sensing …

Application of variable opacity (image alpha) to power and probability distributions superimposed on cartographic displays

M Ii, R Cutler - US Patent App. 11/261,208, 2007 - Google Patents
A system and method are disclosed for superimposing data on an image using a variable
opacity that is based upon variations in the numerical values of the data to be …

Refining depth from an image

P Srinivasan - US Patent 11,682,137, 2023 - Google Patents
G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR
VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE …