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VRAC - HOMCAM Homunculus Camera. Group ID: May11-23 Client: Dr. Stephen Gilbert Advisor: Dr. Daji Qiao Members: Kyoung -ho Lim, Michael Gledhill, Michael Patterson, Ryan David, Travis Munn. Problem.

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Vrac homcam homunculus camera

VRAC - HOMCAMHomunculus Camera

Group ID: May11-23

Client: Dr. Stephen Gilbert

Advisor: Dr. DajiQiao

Members: Kyoung-ho Lim, Michael Gledhill,

Michael Patterson, Ryan David,

Travis Munn


Problem
Problem

Develop a system that can capture a video with 360o coverage that can transmit and stream real time to a website.

The Pack

ADC

ADC

ADC

USB

802.11 n

ADC


Requirements
Requirements

  • 3600video capture of a subject’s surroundings

  • Wireless transmission of video feeds up to 100 meter

  • 4-8 hours of battery life

  • Small/portable

  • Lightweight

  • Durable

  • Inconspicuous


Project plan
Project Plan

  • Research and order parts (completed)

  • Test parts as they are received

  • Create a working system with only a single stream’s throughput

  • Add the other cameras to the system until all streams are active, ensuring manageable throughput at each phase

  • Create enclosure and camera mountings once confident that the system is functioning correctly


Design
Design

Issues:

ADC

Compression

Compatibility Concerns

The Pack

ADC

ADC

ADC

USB dualband

802.11 n

ADC


Design1
Design

(New) Frame grabbers with hardware compression

Wireless n compatible supported

The Pack

Frame Grabbers/

Compression

USB dualband

802.11 n


Implementation hardware
Implementation: Hardware

  • Beagleboard—Ubuntu is installed

    • Interface well understood

  • Camera—Purchased and tested

    • Future plans to develop mounting apparatus

  • Frame Grabber

    • Changed framegrabber design, learning SDK interface

    • H.264 video encoding

  • Networking

    • Network application development in progress

    • USB Dongle and Beagleboard compatible


Implementation software
Implementation: Software

  • There are two different methods by which we might accomplish our streaming:

    • Hardware API and C socket code

      • Our frame grabbers come with some standard software which allows users to write C code to get frames.

      • Pros: more control over how and when packets are sent

      • Cons: more opportunity for error

    • Video4Linux software framework

      • Provides “frame grabbing” and networking functions

      • Pros: well-tested, easy integration

      • Cons: less control over traffic


Testing results
Testing Results

Custom designed battery circuit may prove favorable

Beagleboard: Ubuntu, 802.11n compatibe

Cameras: 4 x 1000 viewing field


Future plans
Future Plans

  • Power System Adaptation

  • Integrate the major pieces

  • Testing:

    • Network bandwidth based on distance and obstacles

    • Compression Rates

    • Evaluate battery life with entire system hooked up


Tasks schedule
Tasks/Schedule

Major hardware purchased and began integrating

Testing/compatibility is greatest concern

Major Setback:

Incompatible Frame grabber New hardware decisions made