Search Results for author: Yujin Oh

Found 13 papers, 3 papers with code

OTSeg: Multi-prompt Sinkhorn Attention for Zero-Shot Semantic Segmentation

no code implementations21 Mar 2024 Kwanyoung Kim, Yujin Oh, Jong Chul Ye

The recent success of CLIP has demonstrated promising results in zero-shot semantic segmentation by transferring muiltimodal knowledge to pixel-level classification.

Semantic Segmentation Zero-Shot Semantic Segmentation

LMM-Assisted Breast Cancer Treatment Target Segmentation with Consistency Embedding

no code implementations27 Nov 2023 Kwanyoung Kim, Yujin Oh, Sangjoon Park, Hwa Kyung Byun, Jin Sung Kim, Yong Bae Kim, Jong Chul Ye

Recent advancements in Artificial Intelligence (AI) have profoundly influenced medical fields, by providing tools to reduce clinical workloads.

Language Modelling Large Language Model +1

LLM-driven Multimodal Target Volume Contouring in Radiation Oncology

1 code implementation3 Nov 2023 Yujin Oh, Sangjoon Park, Hwa Kyung Byun, Yeona Cho, Ik Jae Lee, Jin Sung Kim, Jong Chul Ye

Target volume contouring for radiation therapy is considered significantly more challenging than the normal organ segmentation tasks as it necessitates the utilization of both image and text-based clinical information.

Organ Segmentation

C-DARL: Contrastive diffusion adversarial representation learning for label-free blood vessel segmentation

no code implementations31 Jul 2023 Boah Kim, Yujin Oh, Bradford J. Wood, Ronald M. Summers, Jong Chul Ye

Blood vessel segmentation in medical imaging is one of the essential steps for vascular disease diagnosis and interventional planning in a broad spectrum of clinical scenarios in image-based medicine and interventional medicine.

Contrastive Learning Representation Learning +1

ZegOT: Zero-shot Segmentation Through Optimal Transport of Text Prompts

no code implementations28 Jan 2023 Kwanyoung Kim, Yujin Oh, Jong Chul Ye

In particular, we introduce a novel Multiple Prompt Optimal Transport Solver (MPOT), which is designed to learn an optimal mapping between multiple text prompts and visual feature maps of the frozen image encoder hidden layers.

Segmentation Semantic Segmentation +2

Diffusion Adversarial Representation Learning for Self-supervised Vessel Segmentation

no code implementations29 Sep 2022 Boah Kim, Yujin Oh, Jong Chul Ye

Also, by adversarial learning based on the proposed switchable spatially-adaptive denormalization, our model estimates synthetic fake vessel images as well as vessel segmentation masks, which further makes the model capture vessel-relevant semantic information.

Denoising Representation Learning +1

Multi-Scale Hybrid Vision Transformer for Learning Gastric Histology: AI-Based Decision Support System for Gastric Cancer Treatment

no code implementations17 Feb 2022 Yujin Oh, Go Eun Bae, Kyung-Hee Kim, Min-Kyung Yeo, Jong Chul Ye

Our results demonstrate that AI-assisted gastric endoscopic screening has a great potential for providing presumptive pathologic opinion and appropriate cancer treatment of gastric cancer in practical clinical settings.

whole slide images

AI can evolve without labels: self-evolving vision transformer for chest X-ray diagnosis through knowledge distillation

no code implementations13 Feb 2022 Sangjoon Park, Gwanghyun Kim, Yujin Oh, Joon Beom Seo, Sang Min Lee, Jin Hwan Kim, Sungjun Moon, Jae-Kwang Lim, Chang Min Park, Jong Chul Ye

Although deep learning-based computer-aided diagnosis systems have recently achieved expert-level performance, developing a robust deep learning model requires large, high-quality data with manual annotation, which is expensive to obtain.

Knowledge Distillation Self-Supervised Learning

Vision Transformer using Low-level Chest X-ray Feature Corpus for COVID-19 Diagnosis and Severity Quantification

no code implementations15 Apr 2021 Sangjoon Park, Gwanghyun Kim, Yujin Oh, Joon Beom Seo, Sang Min Lee, Jin Hwan Kim, Sungjun Moon, Jae-Kwang Lim, Jong Chul Ye

This situation is ideally suited for the Vision Transformer (ViT) architecture, where a lot of unlabeled data can be used through structural modeling by the self-attention mechanism.

COVID-19 Diagnosis

CXR Segmentation by AdaIN-based Domain Adaptation and Knowledge Distillation

1 code implementation13 Apr 2021 Yujin Oh, Jong Chul Ye

As segmentation labels are scarce, extensive researches have been conducted to train segmentation networks with domain adaptation, semi-supervised or self-supervised learning techniques to utilize abundant unlabeled dataset.

Domain Adaptation Knowledge Distillation +2

Severity Quantification and Lesion Localization of COVID-19 on CXR using Vision Transformer

no code implementations12 Mar 2021 Gwanghyun Kim, Sangjoon Park, Yujin Oh, Joon Beom Seo, Sang Min Lee, Jin Hwan Kim, Sungjun Moon, Jae-Kwang Lim, Jong Chul Ye

Under the global pandemic of COVID-19, building an automated framework that quantifies the severity of COVID-19 and localizes the relevant lesion on chest X-ray images has become increasingly important.

Lesion Segmentation

Vision Transformer for COVID-19 CXR Diagnosis using Chest X-ray Feature Corpus

no code implementations12 Mar 2021 Sangjoon Park, Gwanghyun Kim, Yujin Oh, Joon Beom Seo, Sang Min Lee, Jin Hwan Kim, Sungjun Moon, Jae-Kwang Lim, Jong Chul Ye

Under the global COVID-19 crisis, developing robust diagnosis algorithm for COVID-19 using CXR is hampered by the lack of the well-curated COVID-19 data set, although CXR data with other disease are abundant.

Deep Learning COVID-19 Features on CXR using Limited Training Data Sets

2 code implementations13 Apr 2020 Yujin Oh, Sangjoon Park, Jong Chul Ye

Under the global pandemic of COVID-19, the use of artificial intelligence to analyze chest X-ray (CXR) image for COVID-19 diagnosis and patient triage is becoming important.

COVID-19 Diagnosis

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