Embedded Eye

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Clinton McKinnon
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Clinton McKinnon's Discussions

embedded IR vision using current die structure
5 Replies

In our experiments with eyeballtracking we did some pc based experiements altering a off the shelf ps3 camera to specific instructions.  The  stonyman set up for tracking eyeballs turned out to be…Continue

Started this discussion. Last reply by Clinton McKinnon Apr 17, 2013.

mega board not displaying on gui
3 Replies

 Just got our mega board today installed the sheild which was working on the uno but the gui won't pick up the image but does all the serial commands.Board is tracking both axis so it does pick up…Continue

Started this discussion. Last reply by Geoffrey L. Barrows Jan 18, 2013.

eyeball tracking with ardueye
1 Reply

Hellowe've been playing with an Adrueye for the last week to see if we can track my eyeball as we need to come up with a solution so that my wife gets a break from typing for me.  we can program with…Continue

Started this discussion. Last reply by Geoffrey L. Barrows Nov 28, 2012.

 

Clinton McKinnon's Page

Latest Activity

Clinton McKinnon posted a blog post

4 x 4 thermal pixel sensor to add to stonyman eye tracking system

Experiments with using an Omron sensor to add to existing project to increase functionality.Look at the 4x4 grids and see how eye left/right, up/down, closed/open changes the thermal value in track able amounts.Next we will try and integrate data output with stonyman data…See More
Jun 19, 2013
Clinton McKinnon commented on Clinton McKinnon's blog post eye tracking experiment
"got our thermal sensor (omron 16 pixel) and run the test arduino and processing program.  Looks as thou it's gonna work overlaying with the stonyman chip as a dynamic reference and the omron as the absolute reference."
May 14, 2013
Clinton McKinnon commented on Clinton McKinnon's blog post eye tracking experiment
"Trying ski goggles as mount for camera should also allow us to do different light experiements for stabilization"
Apr 21, 2013
Clinton McKinnon replied to Geoffrey L. Barrows's discussion Use of Stonyman chips with an Arduino Due (or other 3.3V ARM)
"If it's any use the below is a link to where we were doing a similar thing with teensy3, second bottom.  Teensy 3 is an ARM working on an arduino platform, however it is NOT a due running on the arm version of arduino.  I have no…"
Apr 19, 2013
Clinton McKinnon replied to Clinton McKinnon's discussion embedded IR vision using current die structure
"Have a look at video of the 4x4 sensor overlaid on a phone app http://www.engadget.com/2012/07/13/omrom-mems-thermal-sensor/"
Apr 17, 2013
Clinton McKinnon replied to Clinton McKinnon's discussion embedded IR vision using current die structure
"thanks for the link. it seems Omron have the following which might be a good start. http://nz.element14.com/omron-electronic-components/d6t-8l-06/sensor-thermal-mems-1x8/dp/2217999?Ntt=D6T-8L-06+omron omron electronic components -D6T-8L-06 -…"
Apr 16, 2013
Clinton McKinnon replied to Clinton McKinnon's discussion embedded IR vision using current die structure
"Imagine the aphid that could see heat IR.  Before retiring I was a project manager specialising in thermal insulation and building elements.  I became interested in building heat flux sensors that were cheap and easy to construct . A…"
Apr 13, 2013
Geoffrey L. Barrows replied to Clinton McKinnon's discussion embedded IR vision using current die structure
Apr 12, 2013
Geoffrey L. Barrows replied to Clinton McKinnon's discussion embedded IR vision using current die structure
"Clinton- Good question- Some of our customers have expressed a LOT of interest in extending our sensors to the thermal IR region, but I don't see an easy way to do this without either a rather expensive MEMS type of fabrication (microbolometers…"
Apr 12, 2013
Clinton McKinnon posted a discussion

embedded IR vision using current die structure

In our experiments with eyeballtracking we did some pc based experiements altering a off the shelf ps3 camera to specific instructions.  The  stonyman set up for tracking eyeballs turned out to be the best optoin for us as it gave the best flexibility .Is there any the standard chip can be doped/added to so that the silicon is more IR/heatflux orientated?We did an abstract paper on using semi conductor based thermopiles for heat flux monitoring so it's really just  a general question.  Can it…See More
Apr 4, 2013
Clinton McKinnon commented on Clinton McKinnon's blog post eye tracking experiment
"Link to zip file with digital write instead of using pin header file http://forum.pjrc.com/threads/19245-teensy3-and-ardueye-stonyman-vision-chip?p=26928"
Mar 11, 2013
Clinton McKinnon commented on Clinton McKinnon's blog post eye tracking experiment
"Thanks but it barffed when I tried to select a coloum or a row.  Have reworked the SMH  files so will have another look but I noticed by using digital write there is a difference between how the USB1286 behaves and the 32U4 using the same…"
Mar 11, 2013
Clinton McKinnon replied to wai kit HEONG's discussion Stonyman Vision Chip Coding
"By chance we have a teensy 2 which is a 32U4 rewrote the SMH.h and cpp file to not need a pin header works on both teensy2 & 2++ so should work for the leonardo, being the 32U4 and it follows Geof's described pinouts using digitalwrite"
Mar 11, 2013
Geoffrey L. Barrows commented on Clinton McKinnon's blog post eye tracking experiment
"What are the actual values you are getting off the chip in that case? When trying a new processor with a Stonyman chip, the first thing I like to do is to just pick one pixel and print the raw value (e.g. numerical value) over and over again to the…"
Mar 10, 2013
Clinton McKinnon replied to wai kit HEONG's discussion Stonyman Vision Chip Coding
"This was our rework using a Teensy 2++ which is another usb type chip(1286) .  The zip file should have the pin defs and an example and the .h mod.  Note the Teensy's are small modules and do not follow the arduino pin out…"
Mar 9, 2013
Clinton McKinnon commented on Clinton McKinnon's blog post eye tracking experiment
"Have teensy 3 ARM chip running a stonyman breakout board just seems noise and timing issues code posted on teensy forum last zip file.  http://forum.pjrc.com/threads/19245-teensy3-and-ardueye-stonyman-vision-chip?p=26247#post26247"
Mar 8, 2013

Profile Information

Hometown
Bulls New Zealand
Technical interest
vision hardware, image processing, airborne robotics

Clinton McKinnon's Blog

4 x 4 thermal pixel sensor to add to stonyman eye tracking system

Experiments with using an Omron sensor to add to existing project to increase functionality.

Look at the 4x4 grids and see how eye left/right, up/down, closed/open changes the thermal value in track able amounts.

Next we will try and integrate data output with stonyman data…

Continue

Posted on June 19, 2013 at 8:50pm

eye tracking experiment

Due to my need to develop some form of eyegaze mouse we have been (wife & I) using ardueye as an embedded first stage.  Here is where we have got so far.

1) Hooked up camera at close to correct focal lenght to eye

2) Established that the eye will track left and right and display in some form that we can use.

3) Worked out the drift in the system focusing on the eyeball (similar to a gyro drift).

We have success in the above three.…

Continue

Posted on December 3, 2012 at 6:11pm — 22 Comments

Comment Wall (1 comment)

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