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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== | | ==Energy systems== |
| − | * Using Reinforcement Learning to control the operation of storage systems (with Arduin Findeis and Fiodar Kazhamiaka) | + | * Joint optimal placement, sizing, and operation of PV, storage, and bi-directional EVs (with Anais Berkes) |
| − | * Designing tariff schemes for resilient home customers with storage systems (with Nastaran Nasteri, Yashar Ghiassi-Farrokhfal,Wolf Ketter, and John Collins) | + | * Policy recommendations to exploit the synergy of residential PV, bi-directional TVs, and working from home (with Anais Berkes and David Reiner) |
| − | * Studying the impact of climate change on the transmission grid (with Petr Dolezal and Emily Shuckburgh) | + | * Studying the impact of system configuration on the energy usage of LLMs (with Grant Wilkins and Richard Mortier) |
| − | * Controlling EV charging to allow condominiums and commercial building to become 100% renewable-powered (with Harsimrat Bhundar and Lukasz Golab)
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| − | ==Forest conservation and restoration== | + | ==Extreme weather impact and mitigation== |
| | + | * Studying how urban buildings can cope with extreme weather events (with Livia Capol, ETH and Zoltan Nagy, UT Austin) |
| | + | * Studying the impact of extreme weather on the transmission grid (with Enming Liang and Minghua Chen (both CityU HK)) |
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| − | * Creating a trusted marketplace for nature-based solutions (with Tom Shan, Hector Wei, Tom Swinfield, Anil Madhavapeddy, and Andrew Balmford) | + | ==Environment and conservation== |
| | + | ===Carbon estimation and credits=== |
| | + | * [https://4c.cst.cam.ac.uk Cambridge Centre for Carbon Credits] |
| | + | * Studying the impact of forest degradation on pan-tropical carbon stock and structure (with Amelia Holcombe and David Coomes) |
| | + | * 3D forest structure reconstruction using monocular vision and DNNs (with Yihang She, David Coomes, and Andrew Blake) |
| | + | * Studying the impact of wildfires on forest carbon stock (with Jovana Knezevic, David Coomes, and Andrew Pellegrini) |
| | + | * Quantifying carbon sequestration in regrowing forests in the Brazilian Atlantic (with Felipe Begliomini and David Coomes) |
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| | + | ===Monitoring and remote sensing=== |
| | + | * Identifying land use from spatial-spectral-temporal remote sensing using self-supervised learning (with Madeline Lisaius, Clement Atzberger, and Andrew Blake) |
| | + | * Using CNNs and computer vision for low-cost and realtime insect biodiversity measurement (with Sachin Matthew, Matteo Redana, and Lynn Dicks) |
| | + | * Low-cost sensing of soil moisture (with Ju Wang (Northwest U., China, and Omid Abari, UCLA) |
| | + | * Developing algorithms for trunk diameter estimation in complex environments using game engine-based training (with Frank Feng and Yihang She) |
| | + | * Monitoring wild boar and lynx population in the Carpathians (with Tom Ratsakatika and Ruben Iosif (carpathian.org)) |
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| | ==Misc.== | | ==Misc.== |
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| − | * Privacy-preserving crowdsensing (with Bihan Liu, Steven Chai, and Fiodar Kazhamiaka)
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| − | * Using DNNs to extrapolate Earth observation data to cloudy regions (with Harsimrat Bhundar and Clement Atzberger)
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| | * Designing an index to measure researcher influence and also identify potential research fraud (with Ankai Jie) | | * Designing an index to measure researcher influence and also identify potential research fraud (with Ankai Jie) |
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| − | =Completed work and outcomes=
| + | [[Completed work]] |
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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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| − | * Estimating the rate of carbon sequestration in tropical forests (with Simon Mathis and David Coomes)
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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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| − | Last updated May 2021 | + | Last updated March 2024 |