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SUMMARY:ECE Seminar: Multiscale Sensing for Specialty Crop Systems: From Field Monitoring to Food Safety Application
DESCRIPTION:Presenter: Eve Laroche-Pinel\, Postdoctoral Researcher\, California State University\, Fresno \nDescription: Advances in remote sensing\, drone platforms\, and data analytics are enhancing the ability to monitor agricultural systems at fine spatial and temporal scales. This presentation will highlight applied research using multispectral and hyperspectral data from satellites\, drones\, aircraft\, and ground platforms to assess crop water status\, detect disease\, and estimate fruit composition. These efforts are developed in collaboration with growers and industry partners\, with an emphasis on methods that are robust under field conditions and scalable across production systems. Building on this foundation\, the talk will examine how similar sensing approaches could be extended to address food safety challenges in California agriculture\, particularly in systems transitioning toward organic and regenerative practices . By linking environmental variability\, water dynamics\, and landscape features with potential contamination pathways\, sensing technologies may support improved risk assessment and monitoring. \nBio: Eve Laroche-Pinel is a researcher specializing in the application of sensing technologies to agricultural systems\, with a focus on translating data-driven methods into tools that support decision-making in real production environments. Her work sits at the intersection of agricultural engineering\, remote sensing\, and applied machine learning.  \nShe holds a PhD from the National Polytechnic Institute of Toulouse (France)\, completed in partnership with industry\, where she developed an operational service to monitor vineyard water status using satellite imagery. This work fostered a strong emphasis on applied research\, system integration\, and technology transfer to end users.  \nShe is currently a postdoctoral researcher at California State University\, Fresno\, contributing to a research program that uses multispectral and hyperspectral data collected from satellites\, drones\, aircraft\, and ground-based platforms. Her work addresses plant water status\, disease detection\, and crop composition\, combining field measurements\, laboratory analyses\, and predictive modeling. These projects are conducted in collaboration with growers\, industry partners\, and multidisciplinary academic teams\, with the objective of producing methods that are robust under field conditions and scalable across production systems.  \nShe plans to increasingly focus on how sensing technologies could contribute to food safety challenges in specialty crops. By linking environmental variability\, crop condition\, and landscape features with potential contamination pathways\, her future work would aim to support improved risk assessment and monitoring strategies\, particularly in systems transitioning toward organic and regenerative practices.  \nExtension and stakeholder engagement are central to her approach. She works closely with growers and partners to co-develop field trials\, adapt methodologies to operational constraints\, and translate technical outputs into actionable guidance. Her work includes participation in workshops\, training activities\, and collaborative projects that connect research with practice.  \nHer long-term goal is to build integrated research and extension programs that combine drones\, spectral sensing\, and environmental monitoring to support safe\, resilient\, and technology-enabled agriculture. \nHosted by: Professor Marco Rolandi\, ECE Department \nZoom Link: https://ucsc.zoom.us/j/96727838511?pwd=1Qzl9HTV3G2BxaSEG8GeKOPZVu2NWj.1
URL:https://events.ucsc.edu/event/ece-seminar-researcher-in-agricultural-sensing-remote-sensing-and-applied-ai/
LOCATION:Engineering 2\, Engineering 2 1156 High Street\, Santa Cruz\, CA\, 95064
CATEGORIES:Seminars
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SUMMARY:Paul Pena\, D. (CSE) - Efficient Pattern Counting in Sparse Graphs and Hypergraphs
DESCRIPTION:Pattern counting is a fundamental problem in computer science with applications in many domains. For a fixed small pattern H\, we are given a large graph G and we are asked to count the number of subgraphs or homomorphisms (edge-preserving maps) of H in G. For practical applications where the input graph can be very large\, we are interested in finding efficient algorithms\, that is\, algorithms that run in linear or subquadratic time with respect to the size of the input. \nFinding such algorithms in general (when G can be any graph) is not possible. Instead\, we restrict our input to sparse classes of graphs. One family of graph classes that has been widely studied in the context of subgraph and homomorphism counting is bounded-degeneracy graph classes. Real-world graphs in many domains have bounded degeneracy\, so studying these classes in theory can lead to practical algorithms. \nA series of advances in the study of homomorphism counting led to a dichotomy theorem that exactly characterized which patterns were linear-time computable for bounded-degeneracy inputs. This dissertation builds on this result\, extending it to other variants of this problem\, and generalizing it to other different settings\, like counting hypergraphs and notions of sparsity beyond degeneracy. \nOur results help develop the theory of subgraph counting in sparse graphs and hypergraphs\, and showcase how sparsity can be used both in theory and practice to develop faster algorithms. \n  \nEvent Host: Daniel Paul Pena\, Ph.D. Candidate\, Computer Science & Engineering  \nAdvisor: C. Sheshadhri \nZoom: https://ucsc.zoom.us/j/97685906168?pwd=O35brsWilyn2m8AgMn0dKgALBe6wi1.1
URL:https://events.ucsc.edu/event/paul-pena-d-cse-efficient-pattern-counting-in-sparse-graphs-and-hypergraphs/
LOCATION:Engineering 2\, Engineering 2 1156 High Street\, Santa Cruz\, CA\, 95064
CATEGORIES:Ph.D. Presentations
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SUMMARY:Privacy’s Defender: Fight Against Digital Surveillance with Cindy Cohn
DESCRIPTION:Privacy’s Defender\nElectronic Frontier Foundation (EFF) Executive Director Cindy Cohn’s Journey Inside the Privacy Battles That Shaped Today’s Internet\nCindy Cohn has devoted her life to the fight for digital rights. She’s tangled with federal officials to keep our online conversations secure from the government’s prying eyes\, fought to ensure that you are told when your information has been turned over to the government\, and argued before judges to protect our right to speak and to share science and knowledge on the internet. \nIn Privacy’s Defender: My Thirty-Year Fight Against Digital Surveillance (MIT Press)\, Cindy weaves her own personal story with her role as a leading legal voice representing the rights and interests of technology users\, innovators\, whistleblowers\, and researchers during the Crypto Wars of the 1990s\, battles over NSA’s dragnet internet spying revealed in the 2000s\, and the fight against FBI gag orders. \nDuring this national book tour\, Cindy will be at UC Santa Cruz to give a book talk on May 19\, 2026 from 12:00-1:30 pm. \nFree and open to the public with registration.  \nRSVP HERE to attend in-person or on Zoom. \nIn-Person location: UCSC Humanities 1\, Room 210 (map link) \nVirtual: Zoom link will be sent separately \nCindy Cohn is the Executive Director of the Electronic Frontier Foundation\, which works to ensure that technology supports freedom\, justice and innovation for all the people of the world. Before becoming Executive Director a decade ago\, Cindy was the organization’s Legal Director from 2000-2015\, and led the organization’s impact litigation work on bringing balance to copyright law\, stopping mass spying and protecting freedom of expression online. She’s won many awards for her work and even more court decisions. \n \nUCSC co-sponsors: \nInstitute for Social Transformation\, The Humanities Institute\, Dolores Huerta Research Center for the Americas\, The Center for Information Technology Research in the Interest of Society and the Banatao Institute (CITRIS)\, and the Security Research Lab.
URL:https://events.ucsc.edu/event/privacys-defender-fight-against-digital-surveillance-with-cindy-cohn/
LOCATION:Humanities 1 Building\, 257 Cowell-Stevenson Road\, Santa Cruz\, CA\, 95064\, United States
CATEGORIES:Lectures & Presentations
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SUMMARY:Bai\, G. (BMEB) - Long-read single-molecule chromatin architecture and its role in transcriptome regulation
DESCRIPTION:Sequencing technologies have revolutionized our understanding of biology\, yet many existing methods require fragmentation of DNA or RNA\, fundamentally limiting our ability to study these molecules in their native\, intact forms. Long-read sequencing overcomes this constraint by enabling the sequencing of long\, single-molecule native DNA and RNA\, providing simultaneous access to both sequence and base modifications that reflect epigenetic state. This capability has already yielded landmark achievements\, including the first complete\, gapless human genome assembly. Yet while our ability to decode genomic sequence has advanced dramatically\, how chromatin structure shapes a cell’s transcriptome remains poorly understood. My thesis addresses this gap through three aims. First\, I co-developed a novel long-read approach for profiling chromatin accessibility at single-molecule resolution using the small molecule angelicin. Second\, I characterized how long-range chromatin states are associated with RNA processing and transcription\, leveraging multi-omic long-read data in yeast. Third\, I incorporate chromatin data into sequence-to-function deep learning models to interpret the mechanistic contribution of chromatin state to RNA processing. Together\, these aims establish a new framework for studying the relationship between epigenetic state and transcriptome regulation at a resolution not previously possible. \nEvent Host: Gali Bai\, Ph.D. Candidate\, Biomolecular Engineering & Bioinformatics \nAdvisor: Angela Brooks \nZoom Meeting ID: 940 6201 8397 \nPasscode: 700963
URL:https://events.ucsc.edu/event/bai-g-bmeb-long-read-single-molecule-chromatin-architecture-and-its-role-in-transcriptome-regulation/
LOCATION:Biomedical Sciences Building\, 575 McLaughlin Drive
CATEGORIES:Ph.D. Presentations
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