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The discussion group is an informal venue for presenting research findings, for developing new ideas, and for connecting with the many language scientists across the University who are interested in the psychology and neuroscience of human language.", "occurrence_notes":null, "guid":"131899-21869377@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/131899", "building_id":"null", "building_name":"Off Campus Location", "campus_maps_id":"1", "room":"403 Lorch", "location_name":"Hybrid", "has_livestream":1, "livestream_type":"zoom", "livetream_require_login":0, "livestream_id":"99550941877", "livestream_password":"psycholing", "livestream_link":"https:\/\/umich.zoom.us\/j\/99550941877", "cost":"", "tags":["Psychology","Language Processing","Discussion Group"], "website":"", "sponsors":[ { "group_name":"Department of Linguistics", "group_id":"3480", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/01\/event_131899_original-1.png", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/01\/event_131899_original-1.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/01\/event_131899_original-1.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/01\/event_131899_original-1.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/01\/event_131899_original-1.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/01\/event_131899_original-1.png", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/01\/event_131899_original-1.png", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/01\/event_131899_original-1.png", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/01\/event_131899_original-1.png", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/01\/event_131899_original-1.png", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/01\/event_131899_original-1.png", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/01\/event_131899_original-1.png", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/01\/event_131899_original-1.png", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/01\/event_131899_original-1.png", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/01\/event_131899_original-1.png", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/01\/event_131899_original-1.png" }, "occurrence_count":7, "first_occurrence":21869371 } , "123915-21852177": { "datetime_modified":"20250321T082539", "datetime_start":"20250415T160000", "datetime_end":"20250415T170000", "has_end_time":1, "date_start":"2025-04-15", "date_end":"2025-04-15", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Ziwet Colloquium Lecture: From Phase Separation in Heterogeneous Media to Learning Training Schemes for Image Denoising", "occurrence_title":"", "combined_title":"Ziwet Colloquium Lecture: From Phase Separation in Heterogeneous Media to Learning Training Schemes for Image Denoising: Irene Fonesca (Carnegie Mellon University)", "event_subtitle":"Irene Fonesca (Carnegie Mellon University)", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"What do these two themes have in common? Both are treated variationally, both deal with energies of different dimensionalities, concepts of geometric measure theory prevail in both, and higher order penalizations are considered. Will learning training schemes for choosing these penalizations in imaging may be of use in phase transitions?\r\n\r\nPhase Separation in Heterogeneous Media: Modern technologies and biological systems, such as temperature-responsive polymers and lipid rafts, take advantage of engineered inclusions, or natural heterogeneities of the medium, to obtain novel composite materials with specific physical properties. To model such situations using a variational approach based on the gradient theory of phase transitions, the potential and the wells may have to depend on the spatial position, even in a discontinuous way, and different regimes should be considered.\r\n\r\nIn the critical case where the scale of the small heterogeneities is of the same order of the scale governing the phase transition and the wells are fixed, the interaction between homogenization and the phase transitions process leads to an anisotropic interfacial energy. The supercritical case for fixed wells is also addressed, now leading to an isotropic interfacial energy. In the subcritical case with moving wells, where the heterogeneities of the material are of a larger scale than that of the diffuse interface between different phases, it is observed that there is no macroscopic phase separation and that thermal fluctuations play a role in the formation of nanodomains.\r\n\r\nLearning Training Schemes for Image Denoising: Due to their ability to handle discontinuous images while having a well-understood behavior, regularizations with total variation (TV) and total generalized variation (TGV) are some of the best known methods in image denoising. However, like other variational models including a fidelity term, they crucially depend on the choice of their tuning parameters. A remedy is to choose these automatically through multilevel approaches, for example by optimizing performance on noisy\/clean image training pairs. Such methods with space-dependent parameters which are piecewise constant on dyadic grids are considered, with the grid itself being part of the minimization. Existence of minimizers for discontinuous parameters is established, and it is shown that box constraints for the values of the parameters lead to existence of finite optimal partitions. Improved performance on some representative test images when compared with constant optimized parameters is demonstrated.", "occurrence_notes":null, "guid":"123915-21852177@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/123915", "building_id":"1000166", "building_name":"East Hall", "campus_maps_id":"53", "room":"1360", "location_name":"East Hall", "has_livestream":0, "cost":"", "tags":["Lecture","seminar","Mathematics","Free"], "website":"https:\/\/lsa.umich.edu\/math\/seminars\/zwiet-lectures.html", "sponsors":[ { "group_name":"Colloquium Series - Department of Mathematics", "group_id":"4884", "website":"" }, { "group_name":"Department of Mathematics", "group_id":"3791", "website":"" }, { "group_name":"Special Events - Department of Mathematics", "group_id":"4912", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/03\/event_123915_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/03\/event_123915_original-1.jpg" }, "occurrence_count":1, "first_occurrence":21852177 } , "125167-21858861": { "datetime_modified":"20250415T162026", "datetime_start":"20250415T163000", "datetime_end":"20250415T180000", "has_end_time":1, "date_start":"2025-04-15", "date_end":"2025-04-15", "time_start":"16:30:00", "time_end":"18:00:00", "time_zone":"America\/Detroit", "event_title":"Org Basics 2024-25", "occurrence_title":"OrgBasics: Recruitment & Retention", "combined_title":"Org Basics 2024-25: OrgBasics: Recruitment & Retention", "event_subtitle":"", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"", "occurrence_notes":null, "guid":"125167-21858861@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/125167", "building_id":"", "building_name":"", "campus_maps_id":"", "room":"", "location_name":"Michigan Union - 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whose art, scholarship, and activism expand our political imagination for transformative social change. The Fellows will be in conversation with Ford School Dean, Celeste Watkins-Hayes.\r\n\r\nAccessibility\r\nCART and sign language interpretation will be provided during the in-person event. Presenters will use microphones.\r\n\r\nAbout the panelists and moderator\r\nDr. Amanda Alexander, the founding Executive Director of the Detroit Justice Center, is a racial justice lawyer and historian who works alongside community-based movements to end mass incarceration and build thriving and inclusive cities. Originally from Michigan, Amanda has worked at the intersection of racial justice and community development in Detroit, New York, and South Africa for more than 15 years. For her catalyst project, Dr. Alexander will discuss movement lawyering and the importance of radical imagination in these times.\r\n\r\nCharlene Carruthers is a writer, filmmaker, community organizer, and Black Studies PhD Candidate at Northwestern University. A practitioner of telling more complete stories, her work interrogates historical conjunctures of Black freedom-making post-emancipation and decolonial revolution, Black\/Native\/Indigenous relationalities, Black governance, and Black feminist abolitionist geographies. For her catalyst project, Carruthers will present behind the scenes photos, stills, and select clips from her short film PLENUM, which follows the journey of two siblings as they navigate the AIDS crisis at a historical Black LGBT conference.\r\n\r\nBianca D.M. Wilson, PhD is an Associate Professor in the Department of Social Welfare at the Luskin School of Public Affairs and an affiliate faculty member of the California Center for Population Research at UCLA. Her research explores the relationships between culture, oppression, and health. 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