traitcapture: nextgen monitoring and visualization from seed to ecosystem
TRANSCRIPT
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TraitCapture: NextGen Software and Hardware for Scaling from Seeds to Traits
to Ecosystems
Tim Brown, Research Fellow, Borevitz LabARC Centre for Plant Energy Biology, Australian National University
Chuong Nguyen, Joel Granados, Kevin D. Murray, RiyanCheng, Cristopher Brack, Justin Borevitz
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Terraforming“To alter the environment of a planet to make it capable of supporting terrestrial life forms.”
We are currently unterraforming the earth at an exceptionally fast rate
To meet the challenges of the coming century we need to restore and re-engineer the environment to support >7 billion people for the next 100 years in the face of climate change while maintaining biodiversityand ecosystem services
These ecological challenges are too hard to be solved
with existing data and methods
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Genotype x Environment = Phenotype
The degree to which we can measure all three components is the degree to which we can understand plant and ecosystem function
FIELDLAB
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Outline: Phenomics challenges
• Lab:
• Measure phenotypes with high precision across large natural populations in varied growth environments
• Identify the genetic basis of traits of interest
• Identify novel, cryptic traits
• Field:
• Monitor phenotype and environment at high precision across scales from plant to ecosystem to identify natural variation on the landscape
Conservation: Ecosystem stability / plasticity (how should we spend limited conservation $$)
Restoration: Using existing plasticity and population genetic variation to select seeds for building “climate ready” populations and assitedmigration (reforestation, etc.)
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Outline: General challenges
(1) Processing and managing big data
• We used to be primarily limited by data collection (hardware)
• Now we are increasingly limited by data processing and curation (software)
• We need “excel” for big data
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And how do you do science if you can’t even download your data?
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Outline: General challenges
(2) Optimizing the knowledge discovery network
• Data sharing, open access and open source are of major importance for solving research problems:
• Research dollars are poorly spent when they produce closed data and firewalled journal articles, yet we all aspire to publish our best work in journals that refuse access to the public.
• We have serious problems to solve in this decade: This is a network optimization problem
• Open source matters! – The rate of knowledge discovery is determined by how efficiently we can share data, tools and new knowledge.
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Lab vs field phenotyping
Lab: High precision measurement and control but low realism
youtu.be/d3vUwCbpDk0
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Lab vs field phenotyping
Field: Realistic environment but low precision measurements
In the field we have real environments but the complexity (and bad lighting!) reduces our ability to measure things with precision
youtu.be/gFnXXT1d_7s
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Borevitz Lab Approach
• Create more “natural” Lab conditions in growth chambers
• Measure more precisely in the Field
© Suzanne Marselis
enviro-net.org
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Lab phenotyping
Normal lab growth conditions aren’t very “natural”
Kulheim, Agren, and Jansson 2002
Real World
Growth Chamber
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Growth cabinets with dynamic “semi-realistic” environmental & lighting conditions
• Grow plants in simulated regional/seasonal conditions & simulate climate
• Control chamber light intensity, spectra (8/10-bands), Temp/Humidity @ 5min intervals
• Expose “cryptic” phenotypes
• Repeat environmental conditions
• Between studies and collaborators
• Simulate live field site climate
Lab Solution: SpectralPhenoClimatron (SPC)
Spectral response of Heliospectra LEDs. (L4A s20: 10-band)
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TraitCapture: Open-source phenotyping pipeline
• Phenotype 2,000 plants (7 Conviron chambers) in real-time
• 14 DSLR’s (2/chamber) - Controlled by raspberry Pi computers
• 4-12 JPG + RAW images/hr every during daylight
• Automated analysis pipeline: phenotype data from 150,000 pot images a day
• Automated Phenotypes• Area
• Diurnal movement
• Color (RGB, Gcc, etc)
• Perimeter, Roundness
• Compactness, Eccentricity
• Upcoming:• Leaf Count
• Leaf tracking
• Leaf length/width/petiole
• Machine learning
Brown, Tim B., et al. (2014). Current opinion in plant biology 18 (2014): 73-79.
Corrected
Segmented
Original
GWAS
Area
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NextGen Field Ecology – Where’s my PCR?
• Field ecology is like genetics before PCR and high throughput sequencing
• Back in the ’80s & early 90s people would get a PhD just sequencing a single gene.
• Genetics -> Genomics -> Phenomics
• 20 years of technical advances have turned genetics into genomics into Phenomics, yielding the ability to address fundamental, very complex questions
© Tim Brown
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The current resolution of field ecology is very limited• Low spatial & time resolution data
• Limited sensors; don’t capture local spatial variation
• Sampling is often manual and subjective
• Observations not-interoperable or proprietary; little or no data sharing
• Sample resolution is “Forest” or “field” not Tree or Plant
• Very little data from the 20th century ecology is available for reuse
The lab is not the real world
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The challenge – “Measure everything all the time”
How do we go from doing the science at the scale of one point per forest to multilayer data cubes for every tree or leaf?
16/20
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Tech revolutions are driving data revolutions• Computation
• Small fast and cheap (Raspberry Pi) and Huge fast and cheap (cloud)
• Unlimited storage
• Unlimited processing
• All comes down to pipelines and data management
• Many of the actual computational problems are “solved” or could be with reasonable effort.
• Network• Ubiquitous internet is huge
• Lab is now in the field (i.e. cloud computational resources available remotely)
• Field is in the lab via AR/VR and 3D
• Mobile computing – your phone is a supercomputer• 1.5-2x the network bandwidth of MODIS
• The computing power of a supercomputer from 20 years ago
• 4000x the RAM of the Space Shuttle
• 3D• 3D reconstruction from static and moving cameras
• LiDAR and LightField
• Robotics – automated monitoring and field sampling; Drones/UAVs
• Machine learning / Deep learning / AI – processing huge datasets
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Huge data crunching isn’t impossible
• Google didn’t exit 17 yrs ago and now it indexes 30 trillion web pages (and 500hrs of new video per minute)
• 1.8 billion (mostly geolocated) images are uploaded to social media every day (2014; was 500m in 2013)1
• Consider: 75% of cars may be self-driving by 20402 –continuously imaging, laser scanning and 3D modelling their immediate environment: 6.2 billion miles3 of roadside environments in US, imaged in 3D daily!
• Google street view already has imaged 5 million miles of roads in 3D
We need this level of resolution (and google-like tools) for ecological knowledge
1. Meeker, 2013, 2014
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Cloud computing and automation can do amazing things…
2015 Paper: Time-lapse mining from internet photos
• Mined 86 million public geolocated online photos (Flickr, Picassa)
• Clustered 120K different landmarks
• Computed 755K 3D reconstructions.
• 10,728 time-lapses from 2942 landmarks, that contain more than 300 images
• Including a 3-D time-lapse reconstruction of the retreat of the Briksdalsbreen Glacier in Norway from 9,400 images over a 10-year time-span.
Martin-Brualla R, Gallup D, and Seitz SM. 2015. Time-lapse mining from internet photos. ACM Trans Graph 34: 62.
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MOVIE
https://www.youtube.com/watch?v=oQpq4TM96Ow
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Emerging tools for high resolution phenotyping1. Gigapixel imaging
2. UAV’s (drones)
3. LiDAR
4. Visualization tools: Virtual and Augmented Reality
5. Other stuff: Hyperspectal, thermal, µm resolution dendrometers; “Metbolome”; Raspberry Pi-based phenocams
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-
Golfer, 7km distant
Monitor daily change in every plant in a field site
Gigapixel imaging
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• Usable view area for phenology: ~5,000 Ha
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20 gigapixel image of Canberra, Australia from the Black Mountain Telstra Tower
Zoom in to the National Arboretum
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Midsummer
Zoom in to the Each forest at the Arboretum
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Low cost sequencing let’s us genotype every individual tree and identify genetic loci that correlate with observed phenotypic differences between trees.We can do this for all trees at the arboretum within view of the camera.
Fall Color change shows differing rates of fall senescence in trees
Late fallBrown, TB et al, 2012. High-resolution, time-lapse imaging for ecosystem-scale phenotyping in the field. in: High Throughput Phenotyping in Plants. Methods in molecular biology.
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Gigavision hardware evolution• 2009
• Custom-built system with robotics servos, DSLR’s,
hand wired with mini pc, 0.5 deg accuracy
• 40 minutes / panorama (1.5 gigapixels)
• Jan 2016• Off the shelf Axis PTZ camera (Q6128) with $40 Raspberry Pi
computer running python code
• 4K resolution PTZ with 700 degree/sec rotation
and 0.2 deg accuracy sensor
• 2 gigapixel panorama in < 5 min
• SMS/Slack alerts if system offline
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Visualization and analysis (future)
• Current challenge is in visualizing and processing the data
• NGINX image server – stream unlimited resolution images to any device
• Cloud-backed processing and stitching (university super computer resources or Amazon cloud)
• Machine learning to detect individuals and phenotypes
• Visualization tools (same as for pot images) – output growth curves for thousands of trees
• Gigapan viewer demo• http://bit.ly/gv-tif1 (downsizing a 500MP tif on the fly)
• Player demo• Old version: Gigavision.org• New (beta): http://bit.ly/gigavisionV1
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Gigavision pros and cons
• Pros• Turn-key always-on automated monitoring
• Monitor huge areas (if you have a tower or a good hill)
• High resolution time-series of everything in your field site (including ephemerals)
• Cons• Data transfer issues if you don’t have good internet
• May be overkill if a DSLR image or phenocam provides sufficient resolution (e.g. tree-level phenology)
• Data extraction pipeline still in beta
• Best hardware solution requires lots of power (30-50watts)
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UAV’s (drones) for monitoring
• $2-4K airframe (DJI, Aeronavics, senseFly) + 10-20MP digital camera (~500g – 5KG payload)
• Processing software ($700 - 2,000 USD: Pix4D; Agisoft)• 3D models of field site (cm resolutions)• Orthorectified image and map layers• LAS / point cloud data• Automated pipeline:
• Tree Height; Volume, foliage density (?)• RGB color• GPS location• DEM of site
• Typically RGB• Other layers:
• NDVI (MicaSense)• Hyperspectral• Thermal
30/20
View 3D model online:http://traitcapture.org/pointclouds
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Software outputs: DEM and point cloud data• Processing script for tree data (python):
• GPS, Height, 3D volume, top-down area, RGB phenology data
• Straight to google maps online
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3D Point clouds online: http://Phenocam.org.au
Up next, re-sort 3D tree data by provenance, size, etc
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Drones – Pro’s and cons
• Pros• Nadir view
• Wide coverage (km’s)
• Larger airframes can carry big payload (~5kg for larger airframes) for advanced imaging (thermal, hyperspec, etc)
• Time-series point clouds and 3D models of field site
• Outputs can match conventional satellite data for comparison
• Cons• Requires operator and site visit (can’t fly itself yet)
• Limited time-series and weather dependent
• Regulations and cost (for site visits)
• Processing pipelines not fully turn-key
(and not that cheap)
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Ultra-high resolution ground-based laser• DWEL (CSIRO); Zebedee(handheld; $25K LiDAR)
• Multiband Lidar with full point returns
• DWEL: ~30 million points in a 50m2 area (vs 5-10 pts/m for typical airborne)
Data: [email protected]
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3D trees rendered from LiDAR data
Image: Stu Ramsden, ANU Vislab
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VR and AR
• Virtual Reality (VR) and Augmented Reality (AR) will radically change how we interact with our data
• VR (Oculus, VIVE, Morpheus) allows you to immerse people in imaginary space
• AR (MS Hololens, Magic Leap) allow you to add virtual content to the real world
Search: “Magic Leap Wired”
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Augmented / Mixed Reality
• Add holograms to the existing world that can be seen by anyone
• Microsfot Hololens
• Magic Leap• Estimated value 2015: $500 million USD; 2016: $2.4 billion
Minecraft on the hololens Magic Leap promo image
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Magic leap demo
https://www.youtube.com/watch?v=GmdXJy_IdNw
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Spatial mapping outside with the hololens
https://www.youtube.com/watch?v=BC1k_18JUDk
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This is just the beginning
Atari 2600 “Adventure” circa 1980
“Skyrim” circa 2011
We are at the “ATARI” stage in VRIn 10 years, VR/AR will be
indistinguishable from reality.
What will you do with this tool?
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Important things to consider for monitoring
• Pick the right tool for the job
• What do you really need to measure?
• What is the lowest time and visual resolution you can get away with?• How often does it happen? (minute or monthly resolution?)
• How many pixels do you need to detect it?
• For new tech – how do you ground-truth?• Phenotyping hardware is just sampling some stuff from the
world – the trick is understanding how what the sensor sees relates to a signal of biological importance (and when it doesn’t)
• This seems obvious but important to think about when playing with shiny new toys
Brown, Tim B et al, (2016) Using phenocams to monitor our changing Earth:
towards a global phenocam network. Frontiers in Ecology and the Environment. Vol
14, Issue 2 (March 2016).
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Example “NextGen” Field site:National Arboretum Phenomic & Environmental Sensor Array
National Arboretum, Canberra, Australia
ANU Major Equipment Grant, 2014; ANU MEC 2016
Collaboration with:
• Cris Brack and Albert Van Dijk (ANU Fenner school); Borevitz Lab
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National Arboretum Phenomic & Environmental Sensor Array
• Ideal location• 5km from ANU (64 Mbps wifi) and near many research institutions
• Forest is only ~4 yrs old
• Chance to monitor it from birth into the future!
• Great site for testing experimental monitoring systems prior to more remote deployments
43/20
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National Arboretum Sensor Array• 20-node Wireless mesh sensor network (10min sample interval)
• Temp, Humidity
• Sunlight (PAR)
• Soil Temp and moisture @ 20cm depth
• uM resolution denrometers on 20 trees
• Campbell weather stations (baseline data for verification)
• Two Gigapixel timelapse cameras: • Leaf/growth phenology for > 1,000 trees
• LIDAR: DWEL / Zebedee
• UAV overflights (bi-weekly/monthly) • Georectified image layers
• High resolution DEM
• 3D point cloud of site in time-series
• Sequence tree genomes
Environment
Phenotype
Genetics
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Arboretum Video
https://www.youtube.com/watch?v=YanOqSlW7yE
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“The missing heritability is on your hard drive”• The challenge is no longer to gather the data, the challenge is how we do science with the data
once we have it
• A sample is no longer a data point
• Gigavision – Hourly time-series of every tree is just pixels not “data” until you quantify something
• Example: Soil Moisture• 5min intervals @ 20 locations, 6 months of data• The spatial variation is what is interesting... Artifact or signal?
Soil Moisture @ 20 sensor locations
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EcoVR: Virtual 3D Ecosystems ProjectGIS for 3D “time-series data”• Goal:
• Use modern gaming software to explore new methods for visualizing time-series environmental data
• Historic and real-time data layers integrated into persistent 3D model of the national arboretum in the Unreal gaming engine
• Collaboration with • ANU Computer Science Dept. TechLauncher students
• Stuart Ramsden, ANU VISlab
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Thanks and ContactsJustin Borevitz – Lab Leader Lab web page: http://borevitzlab.anu.edu.au
• Funding: • Arboretum ANU Major Equipment Grant• ARC Center of Excellence in Planet Energy Biology | ARC Linkage 2014
• Arboretum• http://bit.ly/PESA2014• Cris Brack, Albert VanDijk, Justin Borevitz (PESA Project PI’s)• UAV data: Darrell Burkey, ProUAV• 3D site modelling:
• Pix4D.com / Zac Hatfield Dodds / ANUVR team
• Dendrometers & site infrastructure• Darius Culvenor: Environmental Sensing Systems
• Mesh sensors: EnviroStatus, Alberta, CA
• ANUVR Team• Zena Wolba; Alex Alex Jansons; Isobel Stobo; David Wai [2015/16 Team]• Yuhao Lui, Zhuoqi Qui, Abishek Kookana, Andrew Kock, Thomas Urwin [2016/7 Team]
• TraitCapture: • Chuong Nguyen; Joel Granados; Kevin Murray; Gareth Dunstone; Jiri Fajkus
• Pip Wilson; Keng Rugrat; Borevitz Lab
• Gareth Dunstone; Jack Adamson Jordan Braiuka
• Contact me:
• [email protected]• http://bit.ly/Tim_ANU
Code: http://github.com/borevitzlab
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Links to open
• Gigapan demo• https://traitcapture.org/test-gigapan?ARB-GV-HILL-1/ARB-GV-HILL-
1.tif• https://traitcapture.org/test-gigapan?ARB-GV-HILL-1/ARB-GV-HILL-1-
april10.tif• Black mountain: http://gigapan.com/gigapans/154507
• Player demo• https://traitcapture.org/timestreams/by-
id/577c7868f7f5660be205ffd0
• Map• https://www.google.com/maps/d/u/0/edit?mid=1CYARFsRGTvszPKqC
aiBW-tib3nQ
• Plant timestream• https://traitcapture.org/timestreams/by-
id/57722b4cf7f566640959c908