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Holistic Surgical Phase Recognition with Hierarchical Input Dependent State Space Models

In submission to IEEE TMI, 2025

We propose a hierarchical input-dependent state space model that leverages the linear scalability of SSMs for decision-making over full-length videos. Our framework couples a temporally consistent visual encoder with an SSM head to propagate temporal information. The temporal module consists of two components: a local aggregation block for fine-grained dynamics and a global relation block for long-range dependencies.

Haoyang Wu, Tsun-Hsuan Wang, Mathias Lechner, Ramin Hasani, Jennifer A. Eckhoff, Paul Pak, Ozanan R. Meireles, Guy Rosman, Yutong Ban, Daniela Rus
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Academic Advisor

Advisor at UMJI Advising Center, Shanghai Jiao Tong University, 2024

Academic Advisor for undergraduate students: Provided guidance on academic planning, course selection, and career development.

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ENGL1000J Academic Writing I, Shanghai Jiao Tong University, 2024

Teaching Assistant for ENGL1000J: Held office hours to assist students in revising and improving their course papers.

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ECE2800J Programming and Elem. Data Structure, Shanghai Jiao Tong University, 2025

Teaching Assistant for ECE2800J: Held office hours and recitation sessions, and assisted with grading homework and exams.

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ECE2810J Advanced Data Structures and Algorithms, Shanghai Jiao Tong University, 2025

Teaching Assistant for ECE2810J: Held office hours and recitation sessions, and assisted with grading homework and exams.