Search Results for author: Bowen Liu

Found 31 papers, 14 papers with code

FFA Sora, video generation as fundus fluorescein angiography simulator

no code implementations23 Dec 2024 Xinyuan Wu, Lili Wang, Ruoyu Chen, Bowen Liu, Weiyi Zhang, Xi Yang, Yifan Feng, Mingguang He, Danli Shi

Fundus fluorescein angiography (FFA) is critical for diagnosing retinal vascular diseases, but beginners often struggle with image interpretation.

Privacy Preserving Question Answering +2

BEOL Electro-Biological Interface for 1024-Channel TFT Neurostimulator with Cultured DRG Neurons

no code implementations16 Nov 2024 Haobin Zhou, Bowen Liu, Taoming Guo, Hanbin Ma, Chen Jiang

The demand for high-quality neurostimulation, driven by the development of brain-computer interfaces, has outpaced the capabilities of passive microelectrode-arrays, which are limited by channel-count and biocompatibility.

EyeDiff: text-to-image diffusion model improves rare eye disease diagnosis

no code implementations15 Nov 2024 Ruoyu Chen, Weiyi Zhang, Bowen Liu, Xiaolan Chen, Pusheng Xu, Shunming Liu, Mingguang He, Danli Shi

EyeDiff effectively tackles the issue of data imbalance and insufficiency typically encountered in rare diseases and addresses the challenges of collecting large-scale annotated images, offering a transformative solution to enhance the development of expert-level diseases diagnosis models in ophthalmic field.

Subgraph Aggregation for Out-of-Distribution Generalization on Graphs

no code implementations29 Oct 2024 Bowen Liu, Haoyang Li, Shuning Wang, Shuo Nie, Shanghang Zhang

To address these challenges, we propose a novel framework, SubGraph Aggregation (SuGAr), designed to learn a diverse set of subgraphs that are crucial for OOD generalization on graphs.

Molecular Property Prediction Out-of-Distribution Generalization +1

CTA-Net: A CNN-Transformer Aggregation Network for Improving Multi-Scale Feature Extraction

no code implementations15 Oct 2024 Chunlei Meng, Jiacheng Yang, Wei Lin, Bowen Liu, Hongda Zhang, Chun Ouyang, Zhongxue Gan

Convolutional neural networks (CNNs) and vision transformers (ViTs) have become essential in computer vision for local and global feature extraction.

Edge Unlearning is Not "on Edge"! An Adaptive Exact Unlearning System on Resource-Constrained Devices

1 code implementation14 Oct 2024 Xiaoyu Xia, Ziqi Wang, Ruoxi Sun, Bowen Liu, Ibrahim Khalil, Minhui Xue

Another approach, exact unlearning, tackles this issue by discarding the data and retraining the model from scratch, but at the cost of considerable computational and memory resources.

Machine Unlearning

ADRS-CNet: An adaptive dimensionality reduction selection and classification network for DNA storage clustering algorithms

no code implementations22 Aug 2024 Bowen Liu, Jiankun Li

Currently, clustering and comparison of sequenced sequences are employed to recover the original sequence information as much as possible.

Clustering Dimensionality Reduction

YOLO-pdd: A Novel Multi-scale PCB Defect Detection Method Using Deep Representations with Sequential Images

no code implementations22 Jul 2024 Bowen Liu, Dongjie Chen, Xiao Qi

This work advances computer vision inspection for PCB defect detection, providing a reliable solution for high-precision, robust, real-time, and domain-adaptive defect detection in the PCB manufacturing industry.

Defect Detection object-detection +1

Diffusion-Aided Joint Source Channel Coding For High Realism Wireless Image Transmission

1 code implementation27 Apr 2024 Mingyu Yang, Bowen Liu, Boyang Wang, Hun-Seok Kim

In the following diffusion step, DiffJSCC uses the derived multimodal features, together with channel state information such as the signal-to-noise ratio (SNR), as conditions to guide the denoising diffusion process, which converts the initial random noise to the final reconstruction.

Denoising SSIM

Category-Agnostic Pose Estimation for Point Clouds

no code implementations12 Mar 2024 Bowen Liu, Wei Liu, Siang Chen, Pengwei Xie, Guijin Wang

The goal of object pose estimation is to visually determine the pose of a specific object in the RGB-D input.

Category-Agnostic Pose Estimation Object +1

Quantum-Inspired Machine Learning for Molecular Docking

no code implementations22 Jan 2024 Runqiu Shu, Bowen Liu, Zhaoping Xiong, Xiaopeng Cui, Yunting Li, Wei Cui, Man-Hong Yung, Nan Qiao

Traditional docking by searching for possible binding sites and conformations is computationally complex and results poorly under blind docking.

Blind Docking Combinatorial Optimization +2

VCISR: Blind Single Image Super-Resolution with Video Compression Synthetic Data

1 code implementation2 Nov 2023 Boyang Wang, Bowen Liu, Shiyu Liu, Fengyu Yang

In this work, we for the first time, present a video compression-based degradation model to synthesize low-resolution image data in the blind SISR task.

Image Compression Image Super-Resolution +3

TrTr: A Versatile Pre-Trained Large Traffic Model based on Transformer for Capturing Trajectory Diversity in Vehicle Population

no code implementations22 Sep 2023 Ruyi Feng, Zhibin Li, Bowen Liu, Yan Ding

In this study, we apply the Transformer architecture to traffic tasks, aiming to learn the diversity of trajectories within vehicle populations.

Diversity Time Series +1

MMVC: Learned Multi-Mode Video Compression with Block-based Prediction Mode Selection and Density-Adaptive Entropy Coding

1 code implementation CVPR 2023 Bowen Liu, Yu Chen, Rakesh Chowdary Machineni, Shiyu Liu, Hun-Seok Kim

In this paper, we propose multi-mode video compression (MMVC), a block wise mode ensemble deep video compression framework that selects the optimal mode for feature domain prediction adapting to different motion patterns.

Benchmarking MS-SSIM +5

Unified Signal Compression Using a GAN with Iterative Latent Representation Optimization

1 code implementation23 Sep 2021 Bowen Liu, Changwoo Lee, Ang Cao, Hun-Seok Kim

We propose a unified signal compression framework that uses a generative adversarial network (GAN) to compress heterogeneous signals.

Generative Adversarial Network Image Compression +2

Capture Uncertainties in Deep Neural Networks for Safe Operation of Autonomous Driving Vehicles

no code implementations11 Aug 2021 Liuhui Ding, Dachuan Li, Bowen Liu, Wenxing Lan, Bing Bai, Qi Hao, Weipeng Cao, Ke Pei

Uncertainties in Deep Neural Network (DNN)-based perception and vehicle's motion pose challenges to the development of safe autonomous driving vehicles.

Autonomous Driving Motion Planning +2

Deep Learning in Latent Space for Video Prediction and Compression

1 code implementation CVPR 2021 Bowen Liu, Yu Chen, Shiyu Liu, Hun-Seok Kim

The proposed method first learns the efficient lower-dimensional latent space representation of each video frame and then performs inter-frame prediction in that latent domain.

Anomaly Detection Deep Learning +4

Uncertainty-aware Joint Salient Object and Camouflaged Object Detection

2 code implementations CVPR 2021 Aixuan Li, Jing Zhang, Yunqiu Lv, Bowen Liu, Tong Zhang, Yuchao Dai

Visual salient object detection (SOD) aims at finding the salient object(s) that attract human attention, while camouflaged object detection (COD) on the contrary intends to discover the camouflaged object(s) that hidden in the surrounding.

Object object-detection +2

Simultaneously Localize, Segment and Rank the Camouflaged Objects

1 code implementation CVPR 2021 Yunqiu Lv, Jing Zhang, Yuchao Dai, Aixuan Li, Bowen Liu, Nick Barnes, Deng-Ping Fan

With the above understanding about camouflaged objects, we present the first ranking based COD network (Rank-Net) to simultaneously localize, segment and rank camouflaged objects.

Camouflaged Object Segmentation object-detection

A First Look into DeFi Oracles

no code implementations9 May 2020 Bowen Liu, Pawel Szalachowski, Jianying Zhou

In this paper, we present the first study of DeFi oracles deployed in practice.

Cryptography and Security

Open Graph Benchmark: Datasets for Machine Learning on Graphs

21 code implementations NeurIPS 2020 Weihua Hu, Matthias Fey, Marinka Zitnik, Yuxiao Dong, Hongyu Ren, Bowen Liu, Michele Catasta, Jure Leskovec

We present the Open Graph Benchmark (OGB), a diverse set of challenging and realistic benchmark datasets to facilitate scalable, robust, and reproducible graph machine learning (ML) research.

Knowledge Graphs Node Property Prediction

Weakly-Supervised Salient Object Detection via Scribble Annotations

1 code implementation CVPR 2020 Jing Zhang, Xin Yu, Aixuan Li, Peipei Song, Bowen Liu, Yuchao Dai

In this paper, we propose a weakly-supervised salient object detection model to learn saliency from such annotations.

Edge Detection Object +3

Probabilistic K-means Clustering via Nonlinear Programming

no code implementations10 Jan 2020 Yujian Li, Bowen Liu, Zhaoying Liu, Ting Zhang

In theory, we can solve the model by active gradient projection, while inefficiently.

Clustering

Unified Signal Compression Using Generative Adversarial Networks

2 code implementations8 Dec 2019 Bowen Liu, Ang Cao, Hun-Seok Kim

We propose a unified compression framework that uses generative adversarial networks (GAN) to compress image and speech signals.

Strategies for Pre-training Graph Neural Networks

11 code implementations ICLR 2020 Weihua Hu, Bowen Liu, Joseph Gomes, Marinka Zitnik, Percy Liang, Vijay Pande, Jure Leskovec

Many applications of machine learning require a model to make accurate pre-dictions on test examples that are distributionally different from training ones, while task-specific labels are scarce during training.

Graph Classification Molecular Property Prediction +4

Graph Convolutional Policy Network for Goal-Directed Molecular Graph Generation

2 code implementations NeurIPS 2018 Jiaxuan You, Bowen Liu, Rex Ying, Vijay Pande, Jure Leskovec

Generating novel graph structures that optimize given objectives while obeying some given underlying rules is fundamental for chemistry, biology and social science research.

Graph Generation Molecular Graph Generation +1

Retrosynthetic reaction prediction using neural sequence-to-sequence models

1 code implementation6 Jun 2017 Bowen Liu, Bharath Ramsundar, Prasad Kawthekar, Jade Shi, Joseph Gomes, Quang Luu Nguyen, Stephen Ho, Jack Sloane, Paul Wender, Vijay Pande

We describe a fully data driven model that learns to perform a retrosynthetic reaction prediction task, which is treated as a sequence-to-sequence mapping problem.

Decoder Machine Translation +3

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