Google Inc.

Ivan Dryanovski

Ambrus Csaszar

Mirko Schmidt

Onur Gonen Guleryuz

Jonathan Tilton Barron

Shahram Izadi

Neal Wadhwa

Adarsh Prakash Murthy Kowdle

Sean Ryan Francesco Fanello

Vladimir Tankovich

Christoph Rhemann

Chris McKenzie

Michael John Schoenberg

Konstantine Nicholas John Tsotsos

Sameh Khamis

Vivek Verma

Eric Turner

Patrick Mihelich

Julien Valentin

Mugur Marculescu

Mira Leung

Maksym Dzitsiuk

Renzo De Nardi

Jose Pascoal

João Manuel Castro Afonso

Zhaoguang Wang

A handheld user device includes a monocular camera to capture a feed of images of a local scene and a processor to select, from the feed, a keyframe and perform, for a first image from the feed, stereo matching using the first image, the keyframe, and a relative pose based on a pose associated with the first image and a pose associated with the keyframe to generate a sparse disparity map representing disparities between the first image and the keyframe. The processor further is to determine a dense depth map from the disparity map using a bilateral solver algorithm, and process a viewfinder image generated from a second image of the feed with occlusion rendering based on the depth map to incorporate one or more virtual objects into the viewfinder image to generate an AR viewfinder image. Further, the processor is to provide the AR viewfinder image for display.

Depth from motion for augmented reality for handheld user devices

An HMD adjusts adjusting depth information based on detected motion of the system. The HMD includes a depth camera that collects depth data for objects in the local environment of the HMD. The HMD further includes an inertial measurement unit (IMU) including non-visual motion sensors such as one or more accelerometers, gyroscopes, and the like. The HMD adjusts the received depth information based on motion data provided by the IMU, thereby improving the accuracy of the depth information, and in turn reducing visual artifacts that can result from inaccuracies in the depth information.

Depth data adjustment based on non-visual pose data

A method for depth sensor aided estimation of virtual reality environment boundaries includes generating depth data at a depth sensor of an electronic device based on a local environment proximate the electronic device. A set of initial boundary data is estimated based on the depth data, wherein the set of initial boundary data defines an exterior boundary of a virtual bounded floor plan. The virtual bounded floor plan is generated based at least in part on the set of initial boundary data. Additionally, a relative pose of the electronic device within the virtual bounded floor plan is determined and a collision warning is displayed on a display of the electronic device based on the relative pose.

Depth sensor aided estimation of virtual reality environment boundaries

Methods and systems for calibrating sensors on a computing device are described herein. In an example implementation, a computing device may perform a method to calibrate one or more sensors, which may include receiving an indication that a sensor has been calibrated. The computing device may further receive independent observations of a motion of a device from the calibrated sensor and a potentially non-calibrated sensor. The device may determine as independent estimation of motion based on the movement of the device corresponding to the outputs of the respective sensors. Based on whether or not the estimation of motion as provided by the potentially non-calibrated sensor is within a threshold variance of the estimation of motion as provided by the calibrated sensor, the computing device may provide instructions to adjust parameters of the non-calibrated sensor.

Methods and systems for calibrating sensors of a computing device

Growing community of inventors

Mountain View, CA, United States of America

Ivan Dryanovski