Search Results for author: BoWen Zhang

Found 40 papers, 14 papers with code

Sentiment Interpretable Logic Tensor Network for Aspect-Term Sentiment Analysis

no code implementations COLING 2022 BoWen Zhang, Xu Huang, Zhichao Huang, Hu Huang, Baoquan Zhang, Xianghua Fu, Liwen Jing

SILTN is interpretable because it is a neurosymbolic formalism and a computational model that supports learning and reasoning about data with a differentiable first-order logic language (FOL).

Knowledge Distillation Sentiment Analysis

Noise Learning for Text Classification: A Benchmark

no code implementations COLING 2022 Bo Liu, Wandi Xu, Yuejia Xiang, XiaoJun Wu, Lejian He, BoWen Zhang, Li Zhu

However, we find that noise learning in text classification is relatively underdeveloped: 1. many methods that have been proven effective in the image domain are not explored in text classification, 2. it is difficult to conduct a fair comparison between previous studies as they do experiments in different noise settings.

text-classification Text Classification

Large Language Models as Zero-Shot Human Models for Human-Robot Interaction

1 code implementation6 Mar 2023 BoWen Zhang, Harold Soh

In this work, we explore the potential of large-language models (LLMs) -- which have consumed vast amounts of human-generated text data -- to act as zero-shot human models for HRI.

Semantic Communications with Variable-Length Coding for Extended Reality

no code implementations17 Feb 2023 BoWen Zhang, Zhijin Qin, Geoffrey Ye Li

Wireless extended reality (XR) has attracted wide attentions as a promising technology to improve users' mobility and quality of experience.

Geometric Deep Learning for Autonomous Driving: Unlocking the Power of Graph Neural Networks With CommonRoad-Geometric

no code implementations2 Feb 2023 Eivind Meyer, Maurice Brenner, BoWen Zhang, Max Schickert, Bilal Musani, Matthias Althoff

Heterogeneous graphs offer powerful data representations for traffic, given their ability to model the complex interaction effects among a varying number of traffic participants and the underlying road infrastructure.

Autonomous Driving Trajectory Prediction

A separation logic for sequences in pointer programs and its decidability

no code implementations16 Jan 2023 Tianyue Cao, BoWen Zhang, Zhao Jin, Yongzhi Cao, Hanpin Wang

To deal with properties on variable-length sequences and multilevel data structures, we propose sequence-heap separation logic which integrates sequences into logical reasoning on heap-manipulated programs.

Logical Reasoning

How would Stance Detection Techniques Evolve after the Launch of ChatGPT?

1 code implementation30 Dec 2022 BoWen Zhang, Daijun Ding, Liwen Jing

ChatGPT has the potential to be the best AI model for stance detection tasks in NLP, or at least change the research paradigm of this field.

Language Modelling Stance Detection +2

Semantic Sensing and Communications for Ultimate Extended Reality

no code implementations16 Dec 2022 BoWen Zhang, Zhijin Qin, Yiyu Guo, Geoffrey Ye Li

In particular, semantic sensing is used to improve the sensing efficiency by exploring the spatial-temporal distributions of semantic information.

Context-Matched Collage Generation for Underwater Invertebrate Detection

no code implementations15 Nov 2022 R. Austin McEver, BoWen Zhang, B. S. Manjunath

However, in many scenarios, it can be difficult to collect images for training, not to mention the costs associated with collecting annotations suitable for training these object detectors.

object-detection Object Detection

Safety-Constrained Policy Transfer with Successor Features

no code implementations10 Nov 2022 Zeyu Feng, BoWen Zhang, Jianxin Bi, Harold Soh

In this work, we focus on the problem of safe policy transfer in reinforcement learning: we seek to leverage existing policies when learning a new task with specified constraints.

SegViT: Semantic Segmentation with Plain Vision Transformers

1 code implementation12 Oct 2022 BoWen Zhang, Zhi Tian, Quan Tang, Xiangxiang Chu, Xiaolin Wei, Chunhua Shen, Yifan Liu

We explore the capability of plain Vision Transformers (ViTs) for semantic segmentation and propose the SegVit.

Semantic Segmentation

Shape Completion with Points in the Shadow

1 code implementation17 Sep 2022 BoWen Zhang, Xi Zhao, He Wang, Ruizhen Hu

The core challenge is to generate plausible geometries to fill the unobserved part of the object based on a partial scan, which is under-constrained and suffers from a huge solution space.

Point Cloud Completion

Context-Driven Detection of Invertebrate Species in Deep-Sea Video

no code implementations1 Jun 2022 R. Austin McEver, BoWen Zhang, Connor Levenson, A S M Iftekhar, B. S. Manjunath

Each video includes annotations indicating the start and end times of substrates across the video in addition to counts of species of interest.

object-detection Object Detection

CSI-fingerprinting Indoor Localization via Attention-Augmented Residual Convolutional Neural Network

no code implementations11 May 2022 BoWen Zhang, Houssem Sifaou, Geoffrey Ye Li

On the other hand, considering the generality of a tracking system, we decouple the tracking system from the CSI environments so that one tracking system for all environments becomes possible.

Denoising Indoor Localization

Deep Learning-Based Perceptual Stimulus Encoder for Bionic Vision

no code implementations10 Mar 2022 Lucas Relic, BoWen Zhang, Yi-Lin Tuan, Michael Beyeler

Retinal implants have the potential to treat incurable blindness, yet the quality of the artificial vision they produce is still rudimentary.

StyleSwin: Transformer-based GAN for High-resolution Image Generation

1 code implementation CVPR 2022 BoWen Zhang, Shuyang Gu, Bo Zhang, Jianmin Bao, Dong Chen, Fang Wen, Yong Wang, Baining Guo

To this end, we believe that local attention is crucial to strike the balance between computational efficiency and modeling capacity.

 Ranked #1 on Image Generation on CelebA 256x256 (FID metric)

Image Generation

Margin Calibration for Long-Tailed Visual Recognition

2 code implementations14 Dec 2021 Yidong Wang, BoWen Zhang, Wenxin Hou, Zhen Wu, Jindong Wang, Takahiro Shinozaki

The long-tailed class distribution in visual recognition tasks poses great challenges for neural networks on how to handle the biased predictions between head and tail classes, i. e., the model tends to classify tail classes as head classes.

FlexMatch: Boosting Semi-Supervised Learning with Curriculum Pseudo Labeling

1 code implementation NeurIPS 2021 BoWen Zhang, Yidong Wang, Wenxin Hou, Hao Wu, Jindong Wang, Manabu Okumura, Takahiro Shinozaki

However, like other modern SSL algorithms, FixMatch uses a pre-defined constant threshold for all classes to select unlabeled data that contribute to the training, thus failing to consider different learning status and learning difficulties of different classes.

Semi-Supervised Image Classification

Visually Grounded Concept Composition

no code implementations Findings (EMNLP) 2021 BoWen Zhang, Hexiang Hu, Linlu Qiu, Peter Shaw, Fei Sha

We investigate ways to compose complex concepts in texts from primitive ones while grounding them in images.

Systematic Generalization on gSCAN: What is Nearly Solved and What is Next?

2 code implementations EMNLP 2021 Linlu Qiu, Hexiang Hu, BoWen Zhang, Peter Shaw, Fei Sha

We analyze the grounded SCAN (gSCAN) benchmark, which was recently proposed to study systematic generalization for grounded language understanding.

Systematic Generalization

Dynamic Neural Representational Decoders for High-Resolution Semantic Segmentation

1 code implementation NeurIPS 2021 BoWen Zhang, Yifan Liu, Zhi Tian, Chunhua Shen

This neural representation enables our decoder to leverage the smoothness prior in the semantic label space, and thus makes our decoder more efficient.

Semantic Segmentation

Enhanced Hyperspectral Image Super-Resolution via RGB Fusion and TV-TV Minimization

1 code implementation13 Jun 2021 Marija Vella, BoWen Zhang, Wei Chen, João F. C. Mota

Such methods, however, cannot guarantee that the input measurements are satisfied in the recovered image, since the learned parameters by the network are applied to every test image.

Astronomy Hyperspectral Image Super-Resolution +1

CREATe: Clinical Report Extraction and Annotation Technology

no code implementations28 Feb 2021 Yichao Zhou, Wei-Ting Chen, BoWen Zhang, David Lee, J. Harry Caufield, Kai-Wei Chang, Yizhou Sun, Peipei Ping, Wei Wang

Clinical case reports are written descriptions of the unique aspects of a particular clinical case, playing an essential role in sharing clinical experiences about atypical disease phenotypes and new therapies.

Instance and Panoptic Segmentation Using Conditional Convolutions

no code implementations5 Feb 2021 Zhi Tian, BoWen Zhang, Hao Chen, Chunhua Shen

In the literature, top-performing instance segmentation methods typically follow the paradigm of Mask R-CNN and rely on ROI operations (typically ROIAlign) to attend to each instance.

Instance Segmentation Panoptic Segmentation

A Hierarchical Multi-Modal Encoder for Moment Localization in Video Corpus

no code implementations18 Nov 2020 BoWen Zhang, Hexiang Hu, Joonseok Lee, Ming Zhao, Sheide Chammas, Vihan Jain, Eugene Ie, Fei Sha

Identifying a short segment in a long video that semantically matches a text query is a challenging task that has important application potentials in language-based video search, browsing, and navigation.

Language Modelling Masked Language Modeling +3

Solving Sparse Linear Inverse Problems in Communication Systems: A Deep Learning Approach With Adaptive Depth

no code implementations29 Oct 2020 Wei Chen, BoWen Zhang, Shi Jin, Bo Ai, Zhangdui Zhong

Sparse signal recovery problems from noisy linear measurements appear in many areas of wireless communications.

Learning to Represent Image and Text with Denotation Graph

no code implementations EMNLP 2020 BoWen Zhang, Hexiang Hu, Vihan Jain, Eugene Ie, Fei Sha

Recent progresses have leveraged the ideas of pre-training (from language modeling) and attention layers in Transformers to learn representation from datasets containing images aligned with linguistic expressions that describe the images.

Image Retrieval Language Modelling +3

Online Action Detection in Streaming Videos with Time Buffers

no code implementations6 Oct 2020 BoWen Zhang, Hao Chen, Meng Wang, Yuanjun Xiong

We formulate the problem of online temporal action detection in live streaming videos, acknowledging one important property of live streaming videos that there is normally a broadcast delay between the latest captured frame and the actual frame viewed by the audience.

Online Action Detection

Enhancing Cross-target Stance Detection with Transferable Semantic-Emotion Knowledge

no code implementations ACL 2020 Bowen Zhang, Min Yang, Xutao Li, Yunming Ye, Xiaofei Xu, Kuai Dai

Specifically, a semantic-emotion heterogeneous graph is constructed from external semantic and emotion lexicons, which is then fed into a graph convolutional network to learn multi-hop semantic connections between words and emotion tags.

Stance Detection Transfer Learning

Challenging the adversarial robustness of DNNs based on error-correcting output codes

no code implementations26 Mar 2020 Bowen Zhang, Benedetta Tondi, Xixiang Lv, Mauro Barni

The existence of adversarial examples and the easiness with which they can be generated raise several security concerns with regard to deep learning systems, pushing researchers to develop suitable defense mechanisms.

Adversarial Attack Adversarial Robustness +2

Visual Storytelling via Predicting Anchor Word Embeddings in the Stories

no code implementations13 Jan 2020 Bowen Zhang, Hexiang Hu, Fei Sha

To narrate a sequence of images, we use the predicted anchor word embeddings and the image features as the joint input to a seq2seq model.

Visual Storytelling Word Embeddings

Attacking CNN-based anti-spoofing face authentication in the physical domain

no code implementations1 Oct 2019 Bowen Zhang, Benedetta Tondi, Mauro Barni

In this paper, we study the vulnerability of anti-spoofing methods based on deep learning against adversarial perturbations.

Cryptography and Security

Cross-Modal and Hierarchical Modeling of Video and Text

1 code implementation ECCV 2018 Bowen Zhang, Hexiang Hu, Fei Sha

Similarly, a paragraph may contain sentences with different topics, which collectively conveys a coherent message or story.

Action Recognition Retrieval +3

Few Shot Learning with Simplex

no code implementations27 Jul 2018 Bowen Zhang, Xifan Zhang, Fan Cheng, Deli Zhao

During testing, combined with the test sample and the points in the class, a new simplex is formed.

Few-Shot Learning

Cannot find the paper you are looking for? You can Submit a new open access paper.