Sisung Liu

Sisung Liu

Ph.D student • Spatial AI Lab (SAIL)

I am a Ph.D. candidate at Hanyang University, focusing on 3D Computer Vision and Machine Learning. My research interests include 3D re-assembly, Geo-localization, and Digital Forensics.

Featured work

Selected Research

A selection of my work in 3D vision, shape correspondence, object reassembly, and digital forensics.

Unordered pottery fragments and ten reconstructed pots
Under Review2025

Structure-from-Sherds++: Robust 3D Reassembly of Axially Symmetric Pots from Unordered and Mixed Fragment Collections

Seong Jong Yoo*, Sisung Liu*, et al.

PaperProjectCode
Shape interpolation results with and without endpoint guidance
NeurIPS 20262026

Chebyshev Differential Flows for Shape Matching and Interpolation with Endpoint Guidance

Jiin Im, Sisung Liu, Je Hyeong Hong†

Links forthcoming
Semantic and geometric correspondence between two cat shapes
CVPR 20262026

Shape-of-You: Fused Gromov-Wasserstein Optimal Transport for Semantic Correspondence in-the-Wild

Jiin Im, Sisung Liu, Je Hyeong Hong†

PaperProjectCode
Architecture of the cross-attention multi-scale performer
IEEE TIFS 20252025

A Cross-Attention Multi-Scale Performer with Gaussian Bit-Flips for File Fragment Classification

Sisung Liu*, Jeong Gyu Park*, Hyeongsik Kim, Je Hyeong Hong†

PaperCode

Swipe to explore selected research

View All Publications

Patents

METHOD FOR CLASSIFYING DATA FRAGMENT USING FIXED SIZE OVERLAPPAING SEGMENTATION AND APPARATUS THEREOF

Hyeongsik Kim, Sisung Liu, Je Hyeong Hong

KR-Application No. 10-2024-0184541

Projects

Space Signal Intelligence Payload Data Analysis Technology

KRIT

Mar 2023 - Present

Experience

Server Administrator · Spatial AI Lab
2024 - Present
Student Researcher · Perception and Robotics Group, UMD

advisor: Yiannis Aloimonos

Jul - Aug 2025
Student Researcher · HP Inc.

advisor: Juheon Lee

Aug 2023
Undergraduate Researcher · Spatial AI Lab

advisor: Je Hyeong Hong

2022 - 2023
Undergraduate Researcher · VIEW Lab, KENTECH

advisor: Seokju Lee

Summer 2023

Awards & Scholarships

LG Electronics Group Paper Awards

LG Electronics • June 2023

Awarded at the Summer Annual Conference of IEIE for the paper - A Neural Network for Estimating Axes of Axially Symmetric Objects

Hanyang Brain Scholarship

Hanyang University • July 2019

Personal

Hobbies & Interests

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Powerlifting

Passionate about strength training and powerlifting. Current PRs: Squat 150kg, Bench 130kg, Deadlift 190kg

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Singing

Passionate about rock and hip-hop music. Favorite song is "Colors" by Black Pumas

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Traveling

Love exploring new places and experiencing different cultures around the world

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Reading

Particularly interested in science fiction and technical books. Currently reading "Tools of Titans" by Tim Ferriss

Photo Gallery

Seattle
Seattle