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Gwangmo Song

5 accepted papers

2026

Enhancing Mixture-of-Experts Specialization via Cluster-Aware Upcycling

CVPR 2026

Sparse Upcycling provides an efficient way to initialize a Mixture-of-Experts (MoE) model from pretrained dense weights instead of training from scratch. However, since all experts start from identical weights and the router is randomly initialized, the model suffers from expert symmetry and limited

Cited by 0SourceScholar
2023

Story Visualization by Online Text Augmentation with Context Memory

ICCV 2023poster

Story visualization (SV) is a challenging text-to-image generation task for the difficulty of not only rendering visual details from the text descriptions but also encoding a longterm context across multiple sentences. While prior efforts mostly focus on generating a semantically relevant image for…

Cited by 9PDFcodeScholar
2022

L-Verse: Bidirectional Generation Between Image and Text

CVPR 2022oral

Far beyond learning long-range interactions of natural language, transformers are becoming the de-facto standard for many vision tasks with their power and scalability. Especially with cross-modal tasks between image and text, vector quantized variational autoencoders (VQ-VAEs) are widely used to ma…

Cited by 33PDFcodeScholar
2020

Multi Image Depth from Defocus Network with Boundary Cue for Dual Aperture Camera

ICASSP 2020accepted

In this paper, we estimate depth information using two defocused images from dual aperture camera. Recent advances in deep learning techniques have increased the accuracy of depth estimation. Besides, methods of using a defocused image in which an object is blurred according to a distance from a cam…

Cited by 0SourceScholar
2018

SeedNet: Automatic Seed Generation With Deep Reinforcement Learning for Robust Interactive Segmentation

CVPR 2018poster

In this paper, we propose an automatic seed generation technique with deep reinforcement learning to solve the interactive segmentation problem. One of the main issues of the interactive segmentation problem is robust and consistent object extraction with less human effort. Most of the existing algo…

Cited by 87SourcePDFScholar