Nathan Burba

Los Angeles, California, United States Contact Info
2K followers 500+ connections

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About

In 2022 Nathan co-founded Refactor Games in Santa Monica and released Football Simulator…

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Experience & Education

  • Refactor Games

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Volunteer Experience

  • President

    Ithaca College Video Game Club

Publications

  • Unobtrusive Measurement of Subtle Nonverbal Behaviors with the Microsoft Kinect

    2012 IEEE Virtual Reality Workshops (VRW)

    We describe two approaches for unobtrusively sensing subtle nonverbal behaviors using a consumer-level depth sensing camera. The first signal, respiratory rate, is estimated by measuring the visual expansion and contraction of the user’s chest cavity during inhalation and exhalation. Additionally, we detect a specific type of fidgeting behavior, known as “leg jiggling,” by measuring high-frequency vertical oscillations of the user’s knees. Both of these techniques rely on the combination of…

    We describe two approaches for unobtrusively sensing subtle nonverbal behaviors using a consumer-level depth sensing camera. The first signal, respiratory rate, is estimated by measuring the visual expansion and contraction of the user’s chest cavity during inhalation and exhalation. Additionally, we detect a specific type of fidgeting behavior, known as “leg jiggling,” by measuring high-frequency vertical oscillations of the user’s knees. Both of these techniques rely on the combination of skeletal tracking information with raw depth readings from the sensor to identify the cyclical patterns in jittery, low-resolution data. Such subtle nonverbal signals may be useful for informing models of users’ psychological states during communication with virtual human agents, thereby improving interactions that address important societal challenges in domains including education, training, and medicine.

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  • Cocos2d-iPhone Game Development Cookbook

    Packt Publishing

    Over one year in the making; This book includes the full code of over 100 recipes built using XCode 4 and iOS 5. This is designed to be the ultimate 2D game development book. Every major area of game development is covered.

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Patents

  • Methods for reduced-bandwidth wireless 3D video transmission

    Filed US 62256502

    A method for reduced-bandwidth wireless 3D video transmission includes receiving initial first-eye frame data, reprojecting the initial first-eye frame data to the second eye (which creates initial second-eye frame data), receiving sensor data; time-warping the initial first-eye and second-eye frame data, and receiving next second-eye frame data S140. The method can additionally or alternatively include perspective warping the initial first-eye frame data; reprojecting the next second-eye frame…

    A method for reduced-bandwidth wireless 3D video transmission includes receiving initial first-eye frame data, reprojecting the initial first-eye frame data to the second eye (which creates initial second-eye frame data), receiving sensor data; time-warping the initial first-eye and second-eye frame data, and receiving next second-eye frame data S140. The method can additionally or alternatively include perspective warping the initial first-eye frame data; reprojecting the next second-eye frame data to the first eye (which creates next first-eye frame data); performing infilling on the next first-eye frame data with the perspective-warped initial first-eye frame data; time-warping the next first-eye and second-eye frame data; and/or encoding transmitted frame data with sensor data.

    Other inventors
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  • Systems and methods for natural motion interaction with a virtual environment

    Filed US 62164329

    A system includes a hand controller that includes a rigid ergonomic chassis; a hand strap, coupled to the right side of the ergonomic chassis; a main trigger, configured such that the main trigger is operable by an index finger of the right hand; a lower lever, fixed to the front of the rigid ergonomic chassis and below the main trigger, configured such that the lower lever is actuated by contraction of any of a middle finger, a ring finger, and a pinky finger of the right hand; a joystick…

    A system includes a hand controller that includes a rigid ergonomic chassis; a hand strap, coupled to the right side of the ergonomic chassis; a main trigger, configured such that the main trigger is operable by an index finger of the right hand; a lower lever, fixed to the front of the rigid ergonomic chassis and below the main trigger, configured such that the lower lever is actuated by contraction of any of a middle finger, a ring finger, and a pinky finger of the right hand; a joystick, configured such that the joystick is operable by a thumb of the right hand; a tracking module that enables tracking of a position and orientation of the hand controller; and a wireless communication module.

    Other inventors
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