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A simple, cheap infrared camera which can measure plant health -- for geek gardeners, farmers, and open source DIY scientists.

What could farmers, gardeners, students or environmental activists do with an infrared camera that costs as little as $35?

What is Infragram?

Infragram is a simple, affordable near-infrared camera produced by the Public Laboratory community in a series of collaborative experiments over the last few years. We originally developed this technology to monitor wetlands damages in the wake of the BP oil spill, but its simplicity of use and easy-to-modify open-source hardware & software makes it a useful tool for home gardeners, hikers, makers, farmers, amateur scientists, teachers, artists, and anyone curious about the secret lives of plants.

What can you do with Infragram?

  • Monitor your household plants
  • Teach students about plant growth and photosynthesis
  • Create exciting science fair projects
  • Generate verifiable, open environmental data
  • Check progress of environmental restoration projects
  • Pretend you have super-veg-powers

Near-infrared photography has been a key tool for planning at the industrial and governmental level: it is used on airplanes and satellites by vineyards, large farms, and even NASA for sophisticated agricultural and ecological assessment. In contrast, Infragram allows average people to monitor their environment through verifiable, quantifiable, citizen-generated data. Just as photography was instrumental to the rise of credible print journalism, inexpensive, open-source data-collection technologies democratize and improve reporting about environmental impacts.

Start exploring your world today with Infragram!

How does it work?

Photosynthesizing plants absorb most visible light (less green than red and blue, which is why they're green to our eyes!) but reflect near-infrared. When you take a picture with the Infragram, you get two separate images -- infrared and regular light -- and a false-color composite that shows you where there are big differences. Bright spots in the composite means lots of photosynthesis! (Learn more here

We're able to get both channels in one by filtering out the red light, and reading infrared in its place using a piece of carefully chosen "infrablue" filter (read more here). The images are later processed online -- combining the blue and infrared channels into an image map of photosynthesis (as shown above).

What you get

DIY Filter Pack: This is just a piece of "infrablue" filter which you can use to turn your webcam or cheap point-and-shoot into an infrared camera. The filter allows you to take an infrared photo in the "red" channel of your camera, and a visible image in the "blue" channel. You'll also receive a white balance card and instructions on how install your filter -- it's pretty easy!

Infragram Webcam: This inexpensive but flexible reward is perfect for plugging directly into your laptop or integrating into other projects. It's also ideal for your Raspberry Pi, if you want to take it outdoors, do timelapse photography, or write scripts to control your camera. It ships as a bare circuit board with a USB cable - like an Arduino. 

Infragram Point & Shoot: Just want a camera? This is a straightforward, if basic, point-and-shoot: you can simply take photos as you normally would, then upload them to our free and open-source web app to quickly and easily get a variety of composite images and analyses. To accomplish this, we're simply modifying existing cameras which we'll buy in bulk, using the "infrablue" filter. This isn't an SLR or even a particularly fully featured camera -- it likely won't have an LCD screen and may be "rebranded" with a Public Lab sticker -- but it's the new filter we've put inside which counts. 

The final configuration will depend on the # of backers, but it will likely use AAA batteries and a micro SD card. We're promising a minimum of 2 megapixel resolution, but should be able to do much better, especially if we get a lot of backers. Basically, the more money we raise, the better these cameras will get! 

About the DIY filter -- know what you're getting!

If you're getting the DIY filter, we just want you to be aware of a few facts about camera modification:

  • It involves opening your camera a screwdriver, removing the infrared filter, and replacing it with the DIY "infrablue" filter.
  • Conversion is relatively permanent -- the camera will no longer be able to take regular photos unless you convert it back.


We realized that some folks seem to be thinking of just putting the infrablue filter in front of an existing camera. It's a little more involved. While the conversion is not exceptionally difficult, it takes steady hands and careful attention -- so if you are not sure about it, we encourage you to either convert something easy, like a webcam, or to back a more completed reward which won't require manual conversion.

How you’ll develop your images 

Whether you’re using our DIY filter with your own camera, the Infragram Webcam, or the Infragram Point & Shoot, you’ll be following the same, easy process to generate composite, infrared + visible images that will reveal new details of plant health and photosynthesis -- like in the photo above, taken out the window of a commercial airline flight!

1. Calibrate. In order to get the most meaningful data possible from your plant images, it’s a good idea to ‘calibrate’ your camera, taking into account the current lighting conditions (sunny vs. cloudy, indoors vs. outdoors) at the time that you’re taking your photos: this makes it much easier to compare ‘plant health’ images taken at different times, in different places, and by different cameras. To make this easy, we’ll likely be providing an additional ‘white balance card’ -- simply, a card that has a standard color -- in our kits. By recording an initial image that includes this card, you’ll be able to use our online software to “standardize” the colors in all of your images. If you don’t have a card, don’t worry -- there will also be opportunities to calibrate your imagery automagically later, using our analysis software, and the results might be just as good. 

 2. Take your snapshot. “Rhododendrons -- say cheese!” Using your own camera (modded with our DIY filter), the Infragram Webcam, or the Infragram Point & Shoot, you’ll record the scene of your choosing -- ideally, with some vegetation-y life forms in it. Take pictures of household plants, garden vegetables, trees -- we’ve grabbed a lot of useful agricultural imagery from cameras dangling from kites and balloons! The Public Lab website and mailing list are already full of examples and suggestions related to infrared photography, and it’s easy to start a discussion with community members about your ideas, or ask for advice. 

3. Upload. After you’ve finished an image capture session, you’ll want to upload your images using the (free, open source) online software our community is developing. This will likely simply involve navigating to a particular URL and dragging-and-dropping your images onto a specified area of a webpage. Easy peasy. 

 4. Analyze. If you thought the prior steps were fun, this step is fun +1 . We’re planning on providing a suite of image analysis tools online, so that everyone from researchers to geek gardeners can analyze, tweak, modify, and re-analyze their imagery to their heart’s content, extracting useful information about plant health and biomass assessment along the way. 

 5. Share. And perhaps the most exciting aspect of all: your imagery, your work, and your insights can easily be shared with the rest of the Public Lab community via this online service, the Public Lab mailing lists, and wikis and research notes at http://publiclab.org. Develop a kite-based aerial imagery project with your friends; get advice from NDVI researchers in the community as to the best techniques for yielding useful information from your garden photos; create and collaborate on new methods and protocols around DIY infrared photography. Public Lab’s ‘share and share alike’, ‘open source’ learning community model is not only fun -- it’s a great way to make rapid progress on any project!

Prototypes

The Infragram has been in active development for over a year now; our first prototype was made over 2 years ago and was simply some custom filter material taped to a camera! 

Others have used 2 aligned webcams, and many have been tested alongside custom Raspberry Pi controller code which auto-composites the imagery. Read more about the collaborative, open source development of this tool here: http://publiclab.org/tag/near-infrared-camera

The modification to the camera happens inside, out of sight, unlike in some of the above prototypes. The final version will be based on a mass-produced camera like the one below (one of our prototype mods), though we are waiting to see how many backers we get before settling on a final model. If we have enough backers, we'd love to do a fully custom enclosure as well!

Gallery

Here are some photos showing Infragram infrared composite images from various prototypes. You can find more images here.

Who are we?

Public Lab is a community of tinkerers and concerned citizens (supported by a nonprofit) which develops and applies open-source tools for environmental exploration and investigation. Our small nonprofit has run three successful Kickstarters--Grassroots Mapping the BP Oil Spill, Balloon Mapping Kits, and DIY Spectrometry

Our community of contributors help each other problem solve and trouble shoot through online mailing lists and research notes, organized by region and topic. This allows community members to share research, and for the combined brain power of dozens of people to answer questions and innovate rather than relying on a traditional "customer service" model. Join the Public Lab infrared discussion list today to get started! 

On this project, we've collaborated with a range of different groups to meet the diverse needs of gardeners, farmers, environmental activists, conservationists, and more. These include: Gulf Restoration NetworkFarmHack, GreenStart, the Design Trust’s Five Borough Farm project, Belize Open Source, and others!

Public Lab Staff in Cocodrie, LA--January 2013
Public Lab Staff in Cocodrie, LA--January 2013

Risks and challenges Learn about accountability on Kickstarter

This is Public Lab’s fourth Kickstarter campaign; our experience with the previous three successful ones have taught us lots about everything from production to fulfillment and international shipping. We've already shipped functional prototypes for the camera (which was actually a reward in a previous campaign), and are confident that we’ll be able to turn out a great new design for larger scale production with your support.

Our main unknowns at this point are the final specs on the different cameras we'll produce -- such as maximum resolution, battery life, and housing, which we have plenty of options for, but for which we need to know final order quantities before finalizing design work and choosing a supplier. We're lucky to have a vibrant open source community behind the project at PublicLab.org -- one which you're encouraged to join to help move the project along by contributing your skills!

The fact that we are already a highly transparent and inclusive open source community means that sharing every step of the process is baked into our DNA. When we've had trouble in the past, we've asked for help and our contributors and backers have pitched in!

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  • Pledge $10 or more
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    757 backers

    DIY Filter Pack - a square of DIY "superblue" filter, a white balance card, and instructions to convert your camera/webcam into an infrared plant camera.

    Estimated delivery:
    Add $2 USD to ship outside the US
  • Pledge $35 or more
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    298 backers

    The Infragram Webcam: a small, cheap, barebones webcam for taking composite photos which can be converted and viewed online. Perfect for using from your laptop or a Raspberry Pi.

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    Add $15 USD to ship outside the US
  • Pledge $95 or more
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    297 backers

    The Infragram Point & Shoot: a simple but experimental camera for taking infrared/visible photos which can be processed online. The minimum featureset will be low -- 2 megapixel, small and no LCD -- but will improve if we get a lot of backers.

    Estimated delivery:
    Add $15 USD to ship outside the US
  • Pledge $125 or more
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    113 backers

    Combo Kit: all three of our initial rewards: the 4"x4" DIY "infrablue" filter material, an Infragram webcam, and an Infragram Point & Shoot -- shipped as they become available.

    Estimated delivery:
    Add $30 USD to ship outside the US
  • Pledge $250 or more
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    12 backers

    The Flight Kit - an Infragram Point & Shoot plus a balloon mapping kit to lift it up to 1000 feet in the air. Aerial photos are great for farms or gardens -- just add helium!

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  • Pledge $350 or more
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    2 backers

    Infragram Sponsorship with 1 invitation to a “special fundraising event": Held in Portland (Oregon), NYC, Boston and San Francisco; 20 spots available in each city -- we will announce when they fill up. This event will involve a group aerial (balloon/kite) mapping workshop at a “special” location in each of these cities -- plus an Infragram Point & Shoot for you to take home. Workshops will be held in spring 2014 (once things warm up), exact dates TBA.

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    Infragram Sponsorship with an infrared photography workshop: Want a workshop at your organization or in your community? Backers at this level will receive six Infragram Point & Shoots and a visit from a Public Lab non-profit staff member, who will teach a workshop in using the Infragram at a site of your choosing -- whether it is a community garden, university class, or family farm. To make this possible, we are asking sponsors to cover travel and lodging costs in addition. Just want to support us, or know someone else who'd love this? Sponsor someone else at this level to gift the reward to them! Workshops will be held in spring 2014 (once things warm up).

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  • Pledge $3,500 or more
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    Infragram Sponsorship with an aerial infrared photography workshop: Have a large area -- a farm or park which you'd like to photograph? This sponsorship level reward is the same as above but includes six Infragram Point and Shoots, two balloon or kite mapping kits, and a balloon or kite mapping workshop, to learn to photograph your site from hundreds of feet in the air. To make this possible, we are asking sponsors to cover travel and lodging costs in addition. Workshops will be held in spring 2014 (once things warm up).

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