Jeff Taylor
  • Male
  • Broadview Heights, OH
  • United States
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Jeff Taylor's Groups

Jeff Taylor's Discussions

ArduPlane 2.5 (& maybe 2.6) Steep Dive

Started this discussion. Last reply by Ger Harris Aug 29, 2012. 9 Replies

 

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Profile Information

About Me:
Founder of Event 38 Unmanned Systems, Former 3D Robotics & SpaceX Engineer
Please tell us a bit about your UAV interest
Ag Data, Mapping
Hometown:
Cleveland, OH

Latest Activity

Vega Tech Group LLC commented on Jeff Taylor's blog post New, Higher Performance NDVI Converted Cameras
"Jeff, the cost is cheap, but the results are poor. Are the transmission results of this filter with or without a lens? If this is just the filter, a lens designed for 380-680nm will drop off quickly outside this range. Vignetting, warping in the…"
Thursday
Jeff Taylor commented on Jeff Taylor's blog post New, Higher Performance NDVI Converted Cameras
"Hi Gonzalo, thanks for your question. You're exactly right, what we're doing with our filters is making an approximation of NDVI where instead of using the red band as the visible light channel to compare against, we use the blue band. It…"
Thursday
Vega Tech Group LLC commented on Jeff Taylor's blog post New, Higher Performance NDVI Converted Cameras
"Gonzalo, for some attributes, the dual bandpass filter shown in the graph cuts out the red, shifts transmittance to 680nm and above, dropping out around 900nm. Unfortunately, transmittance at 900nm using the lenses that come with the camera is poor.…"
Thursday
Gonzalo Lopetegui commented on Jeff Taylor's blog post New, Higher Performance NDVI Converted Cameras
"Hi Jeff, I write you from Argentina and I`m discovering in this moment this blog very interesting. I’ve read it, and I have a question to you about this that I can’t understand. In order to reach the NDVI index, don’t we need a…"
Thursday
Mark Williams left a comment for Jeff Taylor
"Hey Jeff. You wanted to chat classification algorithms?"
Mar 19
Jeff Taylor commented on Chris Anderson's blog post 3DR Spektre and IRIS+ get FAA commercial use approval
"Congrats again to the dev teams and 3dr! I can't wait to hear more about the Spektre!"
Mar 13
Johannes commented on Jeff Taylor's blog post APM to CHDK Camera Link Tutorial
"Hi, i am trying to get this to work - without success.  I am able to trigger the camera via cable + 5v. I set up everything according to the great tutorial, but it will just not trigger... i am using an APM 2.6, with arducopter 3.2.1…"
Feb 26
Jeff Taylor commented on Chris Anderson's blog post First Pixhawk-powered drone to get FAA commercial use approval
"Thanks everyone, we're proud to be a part of this step toward commercial sUAS use. I think the congratulations belong largely to the ArduPlane/ArduCopter dev teams for building a first rate autopilot that will no doubt power the vast majority…"
Feb 12
x-air71 commented on Jeff Taylor's blog post APM to CHDK Camera Link Tutorial
"Hi all, the method is great, tried and working fine as described. But.... i wa not able to fined any trace of relay status in the logs, I have tried to play back the mission from log and realized that the relay is not traced....any hints? I need to…"
Jan 25
Jeff Taylor commented on Iain Butler's blog post God is my Co-Pilot……or is it Drone Deploy?
"A very thorough writeup, Ian, nice work! We're also starting to experiment with the Drone Deploy gear, which seems very promising."
Jan 21
Zidlov commented on Jeff Taylor's blog post Tablet Ground Station via Bluetooth Telemetry Bridge
"Are you trying to connect the usb pins directly to the bluetooth module? Because that won't work. You need to connect to the tx/rx pins directly. If you use the ground radio with the usb connector you have to somehow bypass the usb-part and…"
Jan 17
Jeff Taylor commented on Jeff Taylor's blog post NDVI Post-Processing in Fiji
"Those parameters will likely need to be tweaked to show a good full scale image using a Roscoe filter - tighten the min and max NDVI value and probably also add NIR saturation. The filters we use have been updated since this article was written, and…"
Dec 5, 2014
Mark Williams commented on Jeff Taylor's blog post NDVI Post-Processing in Fiji
"Cool little article. Are the settings shown for the photo monitoring plugin, namely the color channel settings,for a camera fitted with a blue Roscoe type filter?"
Dec 5, 2014
Jeff Taylor replied to Jim Joy's discussion UAV for Construction Surveying
"Jim, You're exactly right. You need a drone capable of collecting GPS tagged imagery and a post-processing software package. Depending on the accuracy you need for the final survey and on your level of access to the area of interest on the…"
Dec 2, 2014
Jeff Taylor commented on Roger Sollenberger's blog post 3DR Launches IRIS+
"This looks amazing, I can't wait to get one for myself! Congrats to everyone involved in the development."
Sep 9, 2014
Jeff Taylor commented on Jeff Taylor's blog post Mapping a Larger Area
"Yes this was all done with on camera GPS. There is no issue between CHDK and camera GPS, but you won't be able to get 1 second between pictures. 2 seconds is the fastest we've gotten, but GPS shouldn't be a limiting factor in any case."
Sep 3, 2014

Jeff Taylor's Blog

New NGB Filters and Higher Resolution Camera at Event 38

Posted on August 21, 2014 at 12:09pm 20 Comments

We've been hard at work improving our popular NGB filter glass over the summer and the latest design is finally in! This design cuts off higher wavelength NIR light around 770nm. That reduces the amount of light crossing over to the Green and Blue channels which are also sensitive to NIR light,…

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Low Cost Thermal Sensor, HemaImager, Now on Kickstarter

Posted on August 4, 2014 at 12:09pm 5 Comments

Check this out if you're interested in adding thermal capability to your drone. The resolution is lower than FLIR, but the accuracy of the readings seem to be very high (0.2*F). From the Kickstarter Specs…

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NDVI Post-Processing in Fiji

Posted on February 24, 2014 at 1:14pm 16 Comments

A lot of people have been asking me how we post-process imagery coming from one of our, or any other company's, NGB converted cameras. There's a very easy way to run this processing thanks to Fiji and the Photo Monitoring plugin by Ned Horning. I've just written up a quick getting started guide to this…

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New, Higher Performance NDVI Converted Cameras

Posted on January 29, 2014 at 10:30am 26 Comments

Late last year we released our first version NDVI converted cameras using Schott BG3 filters. Using those filters we were able to generate pseudo NDVI images with a single camera, building off the work of the Public Lab project. After working…

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Bluetooth Telemetry Bridge - Last Chance

Posted on December 27, 2013 at 5:59am 2 Comments

Just a friendly reminder, now is the last chance to grab a Bluetooth Telemetry Bridge before the Kickstarter ends tonight at 10:30PM EST. We've already had an overwhelming response and reached our goal in less than 24 hours! After tonight, there will be a bit of delay before we…

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Comment Wall (2 comments)

At 12:37pm on September 18, 2013, Juliano Pereira Costa said…

Dear, good afternoon.

I bought the Skywalker E382 and I need your help.
Read all information http://event38.wikispaces.com page and follow the manual configuration.
I'm having trouble configuring Dragonlink 2 Long Range (433Mhz) UHF Tx and Rx System and RFD900 Radio Modems (900Mhz).
My setup for Skywalker E382 is as follows:
Skywalker E382 168mm.
ArduPilot Mega 2.6 Set (external compass).
Turnigy 9X 9cH (2.4Ghz) Transmitter w / Module & 8ch Receiver (Mode 2) (v2 Firmware).
My question is:
Do you have a manual, tutorial or video of equipment configuration? The frequencies of the equipment are correct? Do you have manual, tutorial or video installation of radio base station ground? Which types of antennas you use for radio base station ground?

Thank you.

Sincerely

Juliano Costa.

At 3:03pm on March 19, 2015, Mark Williams said…

Hey Jeff. You wanted to chat classification algorithms?

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