Search Results for author: Xiaoyuan Guo

Found 9 papers, 2 papers with code

Augmenting Vision Language Pretraining by Learning Codebook with Visual Semantics

no code implementations31 Jul 2022 Xiaoyuan Guo, Jiali Duan, C. -C. Jay Kuo, Judy Wawira Gichoya, Imon Banerjee

Language modality within the vision language pretraining framework is innately discretized, endowing each word in the language vocabulary a semantic meaning.

Language Modelling Masked Language Modeling

MedShift: identifying shift data for medical dataset curation

no code implementations27 Dec 2021 Xiaoyuan Guo, Judy Wawira Gichoya, Hari Trivedi, Saptarshi Purkayastha, Imon Banerjee

Given an internal dataset A as the base source, we first train anomaly detectors for each class of dataset A to learn internal distributions in an unsupervised way.

CVAD: A generic medical anomaly detector based on Cascade VAE

1 code implementation29 Oct 2021 Xiaoyuan Guo, Judy Wawira Gichoya, Saptarshi Purkayastha, Imon Banerjee

The key issue is the granularity of OOD data in the medical domain, where intra-class OOD samples are predominant.

Medical Diagnosis OOD Detection

Margin-Aware Intra-Class Novelty Identification for Medical Images

1 code implementation31 Jul 2021 Xiaoyuan Guo, Judy Wawira Gichoya, Saptarshi Purkayastha, Imon Banerjee

Traditional anomaly detection methods focus on detecting inter-class variations while medical image novelty identification is inherently an intra-class detection problem.

Anomaly Detection

Clumped Nuclei Segmentation with Adjacent Point Match and Local Shape based Intensity Analysis for Overlapped Nuclei in Fluorescence In-Situ Hybridization Images

no code implementations14 Aug 2018 Xiaoyuan Guo, Hanyi Yu, Blair Rossetti, George Teodoro, Daniel Brat, Jun Kong

Highly clumped nuclei clusters captured in fluorescence in situ hybridization microscopy images are common histology entities under investigations in a wide spectrum of tissue-related biomedical investigations.

PortraitGAN for Flexible Portrait Manipulation

no code implementations5 Jul 2018 Jiali Duan, Xiaoyuan Guo, Yuhang Song, Chao Yang, C. -C. Jay Kuo

Previous methods have dealt with discrete manipulation of facial attributes such as smile, sad, angry, surprise etc, out of canonical expressions and they are not scalable, operating in single modality.

Multi-Modality Fusion based on Consensus-Voting and 3D Convolution for Isolated Gesture Recognition

no code implementations21 Nov 2016 Jiali Duan, Shuai Zhou, Jun Wan, Xiaoyuan Guo, Stan Z. Li

Recently, the popularity of depth-sensors such as Kinect has made depth videos easily available while its advantages have not been fully exploited.

Gesture Recognition

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