Capturing the movement of lower body in Virtual Reality (VR/AR/MR)

Here, we discuss the way through which we can capture the lower body movements of the body, with a simple Bluetooth device. The device will have a liquid or water bubble in it, which when worn on shoes, will track the movement of the lower body, with the help of AI on the (VR/AR/MR) device.

Introduction

Today, Virtual Reality/ Augmented Reality/ Mixed Reality has come a long way from earlier techniques using motion controllers for hand movement tracking. Nowadays, we use hand tracking which comes inbuilt with (VR/AR/MR) devices. These devices use the camera built in the (VR/AR/MR) devices to capture the image of the hand movements and track it. The problem with this method is it can't track the lower body movements. The camera in the (VR/AR/MR) devices, which is worn on the head can't have a view of the lower body. So, if we use motion controllers in the lower body, instead of cameras in the (VR/AR/MR) devices to capture the movement of the lower body, the motion controller will be heavy and need to be powered up every time we use it. Instead of using heavy devices that need heavy batteries, we propose a simple solution as below.

Simple Blue tooth device with water bubble

The solution is, We can add a small strip of Bluetooth device that communicates with the (VR/AR/MR) device. The Bluetooth device can be attached to any shoe or slipper in a way, that doesn't cause any inconvenience to the wearer. It can be worn over the thighs like a soft weightless strip. The Blue tooth device does not need heavy batteries, as it is going to perform a very simple operation, described below. The Bluetooth simply has water in it. The water bubble in it moves in an Upper-Lower slide and in the Left-Right slide, based on the movement of the user's legs. These directions are communicated to the VR/MR device with the help of Bluetooth. Based on this water bubble movement, we can find the position and movement of the legs. It should be calculated along with the height of a person, and movement cum elevation of the (VR/AR/MR) device. With these data in hand, we can predict what the lower body is doing with the help of AI.

Photo Courtesy: reddit.com

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