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| | =What I'm working on= | | =What I'm working on= |
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| − | This page is my attempt to keep track of all the things I'm working on... | + | This page is my (not always current) attempt to keep track of all the things I'm working on... |
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| − | ==Energy systems==
| + | #'''Barlow Twin Foundation Model project''' |
| − | * Using Reinforcement Learning to control the operation of storage systems (with Arduin Findeis and Fiodar Kazhamiaka) | + | #*Improving Barlow-Twin representation quality (with Frank Feng and Sadiq Jaffer) |
| − | * Studying the impact of climate change on the transmission grid (with Petr Dolezal and Emily Shuckburgh) | + | #*Estimating the impact of small field size on crop representations (with Madeleine Lisaius, Clement Atzberger (Mantle Labs) and Andrew Blake (Mantle Labs)) |
| − | * Controlling EV charging to allow condominiums and commercial building to become 24/7 renewable-powered (with Harsimrat Bhundar and Lukasz Golab, with support from SWTCH Energy, Inc.) | + | #*Using Barlow-Twin representations to study fungal biodiversity (with Robin Young and [https://spun.earth SPUN]) |
| − | * Studying the impact of soiling on solar panels (with Abhinav Bora (Waterloo), Sharat Singh and Hugh Hunt (Quadrical)) | + | #*Studying the impact of wildfires on forest carbon stock (with Jovana Knezevic and David Coomes) |
| | + | #'''Environment and conservation''' |
| | + | #*Estimating forest structure parameters using UAV-based monocular vision (with Yihang She, David Coomes, and Andrew Blake) |
| | + | #*Quantifying carbon sequestration in regrowing forests in the Brazilian Atlantic (with Felipe Begliomini and David Coomes) |
| | + | #*Identifying old growth forests in the Carpathians (with Tom Ratsakatika and Emily Lines) |
| | + | #*Evaluating the effectiveness of policy mixes in reducing deforestation at the jurisdiction level (with Jakob Poffley and Rachael Garrett) |
| | + | #*Developing algorithms for trunk diameter estimation in complex environments using game engine-based training (with Frank Feng and Edwin Yang (UW)) |
| | + | #'''Extreme weather impact and mitigation''' |
| | + | #*Studying the impact of extreme weather on the transmission grid (with Enming Liang and Minghua Chen (both CityU HK)) |
| | + | #*Creating spatially-explicit maps of extreme weather impact on building occupants (with Andrea Domiter) |
| | + | #'''Energy systems''' |
| | + | #*Joint placement, sizing, and operation of solar panels and storage in residential settings (with Hetong Shen) |
| | + | #*Fast sizing of solar and storage for residential energy systems (with Julia Gschwind (ETH)) |
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| − | ==Forest conservation and restoration==
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| − | * [https://4c.cst.cam.ac.uk/ Cambridge Centre for Carbon Credits]( with Tom Swinfield, Anil Madhavapeddy, David Coomes, and Andrew Balmford)
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| − | * Creating a trusted marketplace for nature-based solutions (with Tom Shan, Hector Wei, Derek Sorensen, Anil Madhavapeddy)
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| − | * Estimating the rate of carbon sequestration in tropical forests (with Amelia Holcomb, Simon Mathis and David Coomes)
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| − | ==Misc.==
| + | [[Completed work]] |
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| − | * Privacy-preserving crowdsensing (with Bihan Liu, Steven Chai, and Fiodar Kazhamiaka)
| + | ----- |
| − | * Using DNNs to extrapolate Earth observation data to cloudy regions (with Harsimrat Bhundar and Clement Atzberger)
| + | Last updated April 2025 |
| − | * Designing an index to measure researcher influence and also identify potential research fraud (with Ankai Jie)
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| − | =Completed work and outcomes=
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| − | ===Summer 2021===
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| − | * Estimating the reduction in lighting levels of commercial buildings from Earth observation (with Abhinav Bora)
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| − | ===Lent 2021===
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| − | * Using Time-of-flight sensors on mobile phones for depth-assisted segmentation of tree images (with Bill Tong, Megan Penny, and Amelia Holcomb)
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| − | ** A. Holcomb, B. Tong, M. Penny, and S. Keshav, [https://svr-sk818-web.cl.cam.ac.uk/keshav/wiki/images/0/01/Mobisys21postersdemos-final85_copy.pdf Measuring Forest Carbon with Mobile Phones], Poster ''Proc. ACM Mobisys'', '''Winner of the Best Poster Award''', June 2021.
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| − | * Linking Earth observation to carbon sequestration certificates (with Alan Marko, Tom Shan, and David Liu)
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| − | * Computing the solar and storage system sizing for the British Antarctic Survey base in Rothera, Antarctica (with Brad Huang, Fiodar Kazhamiaka, and Nopi Exizidou)
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| − | ** B.G. Huang, F. Kazhamiaka, and S. Keshav, Sizing Solar Panels and Storage for Multiple Roofs, ''To Appear, Proc. ACM eEnergy'', June 2021.
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| − | * Speeding up Hyperledger Fabric with pre-validation (with Rishav Agarwal, Christian Gorenflo, and Lukasz Golab)
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| − | * Implementing [https://arxiv.org/abs/1810.09300 RCanopus] (with Christian Gorenflo, Ashwin Sekhari, Qingnan Duan, Linguan Wang, Lukasz Golab, Bernard Wong, and (at UMass) Stephen Lee and Prashant Shenoy)
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| − | ===Fall 2020===
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| − | * Improving the performance of Individual-Based Models for forests (with Siyi Ji)
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| − | * Supporting time-based smart contracts in Hyperledger Fabric (with Aritra Mitra, Christian Gorenflo, and Lukasz Golab)
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| − | ** A. Mitra, C. Gorenflo, L. Golab, and S. Keshav, TimeFabric: Trusted Time for Hyperledger Fabric, ''To Appear, Proc. FAB'', May 2021.
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| − | * Curating datasets collected from ISS4E over the past decade (with Siqing Huo)
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| − | ** O. Ardakanian, S. Huo, and S. Keshav, 2020, [https://doi.org/10.5683/SP2/R4SVBF 6-second load measurement dataset],https://doi.org/10.5683/SP2/R4SVBF, ''University of Waterloo Dataverse'', December 2020.
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| − | ** J.Y. Lin, C. Ograda-Bratu, S. Huo, and S. Keshav, 2020, [https://doi.org/10.5683/SP2/ITQPHZ Detecting Snow Covered Solar Panels Dataset], https://doi.org/10.5683/SP2/ITQPHZ, ''University of Waterloo Dataverse'', December 2020.
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| − | ** S. Doubov, C. Ograda-Bratu, S. Huo, S. Keshav, 2020, [https://doi.org/10.5683/SP2/X30EPQ Camera-based Occupancy Detection Dataset], https://doi.org/10.5683/SP2/X30EPQ, ''University of Waterloo Dataverse'', December 2020.
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| − | ** Y. Aussat, C. Ograda-Bratu, S. Huo, S. Keshav, "[https://doi.org/10.5683/SP2/3BCADM Office Light Level dataset]", https://doi.org/10.5683/SP2/3BCADM, ''University of Waterloo Dataverse,'' November 2020.
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| − | ** A. Rabbani, C. Ograda-Bratu, S. Huo, S. Keshav, "[https://doi.org/10.5683/SP2/2NWMDY Personal thermal comfort and occupancy dataset]", https://doi.org/10.5683/SP2/2NWMDY, ''University of Waterloo Dataverse,'' November 2020.
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| − | ** C. Gorenflo, I.Rio, L. Golab, C. Ograda-Bratu, S. Huo, S. Keshav, "[https://doi.org/10.5683/SP2/7OAETS Webike dataset]", https://doi.org/10.5683/SP2/7OAETS, ''University of Waterloo Dataverse'', November 2020.
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| − | ===Summer 2020===
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| − | * Designing a trusted smart meter to ensure that data that enters a blockchain can be relied upon. (with Dimcho Karakashev and Sergey Gorbunov)
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| − | ** D. Karakashev, S. Gorbunov, and S. Keshav, "Making Renewable Energy Certificates Efficient, Trustworthy, and Anonymous," ''Proc. IEEE SmartGridComm,'' November 2020.
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| − | * Estimating IUCN Red List status of birds from Earth observation (with David Wesby, David Coomes, BirdLife International, and the Royal Society for the Protection of Birds)
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| − | * Creating a website for homeowners and businesses to determine how many solar panels and how large a storage battery to buy to achieve a certain level of grid independence (with Brad Huang and Fiodar Kazhamiaka)
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| − | ===Winter/Spring 2020===
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| − | * Raspberry-Pi system to read analog meters (with Ivy Liu, Yerbol Aussat, and Costin Ograda-Bratu)
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| − | ** [https://github.com/yerbolaussat/Analog-meter-reader Github link to source code]
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| − | * Better teleconferencing (with David Adeboye)
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| − | **[https://www.cl.cam.ac.uk/techreports/UCAM-CL-TR-952.pdf Master's report]
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| − | * Determining when to resize home energy storage systems
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| − | **Bachelor's thesis
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| − | ** J. Deller and S. Keshav, "[https://svr-sk818-web.cl.cam.ac.uk/keshav/wiki/images/b/b7/Resizing_storage-camera.pdf The Benefits of Dynamically Resizing Storage,]" ''Proc. Energy Storage Workshop at ACM eEnergy 2020,'', June 2020.
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| − | ===Fall 2019===
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| − | * [https://arxiv.org/pdf/1906.11229 Conflict resolution] for hot keys in Fabric
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| − | ** C. Gorenflo, L. Golab, S. Keshav, "XOX Fabric: A hybrid approach to blockchain transaction execution," ''Proc. IEEE ICBC,'' 2020.
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| − | * Using RFID-based sensors for determining soil moisture level
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| − | **J. Wang, L. Chang, S. Aggarwal, O. Abari, and S. Keshav, "Soil Moisture Sensing with Commodity RFID Systems," '' Proc. ACM Mobisys,'' 2020.
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| − | ===Summer 2019===
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| − | * Improving the performance of Hyperledger Fabric
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| − | ** Gorenflo, S. Lee, L. Golab, S. Keshav. FastFabric: Scaling Hyperledger Fabric to 20,000 Transactions per Second, Proc. IEEE ICBC, May 2019.
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| − | * Using Fabric to provide an audit trail for electric vehicle charging
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| − | ** C. Gorenflo, L. Golab, and S. Keshav, [https://dl.acm.org/citation.cfm?id=3328283 Mitigating Trust Issues in Electric Vehicle Charging using a Blockchain], ''Proc. ACM eEnergy 2019'', June 2019.
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| − | * Using deep neural networks to compute optimal (MPC-computed) storage operation strategies
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| − | ** F. Kazhamiaka, S. Keshav, and C. Rosenberg, [https://dl.acm.org/citation.cfm?id=3331032 Adaptive Battery Control with Neural Networks], ''Proc. AMLIES Workshop at ACM eEnergy 2019'', June 2019.
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| − | * Using cloud cover and solar panel images to detect panel soiling and shadowing (with Yingjie Chen)
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| − | ===Spring 2019===
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| − | * Using IoT to reduce energy costs of lighting (with Yerbol Aussat)
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| − | * Managing data consent on Fabric
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| − | ** * R. Agarwal, D. Kumar , L. Golab, S. Keshav, "Consentio: Managing Consent to Data Access using Permissioned Blockchains," ''Proc. IEEE ICBC'', 2020.
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| − | * Reducing the cost of personal thermal comfort systems (with Costin Ograda-Bratu)
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| − | ===Winter 2019===
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| − | * Using computer vision algorithms to estimate the degree of snow cover on solar panels (with Jia Ying Lin)
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| − | * Improving the accuracy of RFID-based sensors (with Ju Wang and Omid Abari)
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| − | ** J. Wang, O. Abari, L. Chang, and S. Keshav, [https://dl.acm.org/citation.cfm?id=3326084 Are RFID Sensing Systems Ready for the Real World?], ''Proc. Mobisys 2019'', June 2019
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| − | * Designing and building an off-grid system to capture e-scooter activity and accidents (with Tingyun Liu and Lime Inc.)
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| − | * Improving the description of research outcomes from my energy systems research (with Shela Qiu)
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| − | -------
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| − | Last updated May 2021 | |