Search Results for author: Bo Sun

Found 37 papers, 13 papers with code

360ORB-SLAM: A Visual SLAM System for Panoramic Images with Depth Completion Network

no code implementations19 Jan 2024 Yichen Chen, Yiqi Pan, Ruyu Liu, Haoyu Zhang, Guodao Zhang, Bo Sun, Jianhua Zhang

To enhance the performance and effect of AR/VR applications and visual assistance and inspection systems, visual simultaneous localization and mapping (vSLAM) is a fundamental task in computer vision and robotics.

Depth Completion Simultaneous Localization and Mapping

Instance-aware 3D Semantic Segmentation powered by Shape Generators and Classifiers

no code implementations21 Nov 2023 Bo Sun, QiXing Huang, Xiangru Huang

In the experiments, our method significantly outperform existing approaches in 3D semantic segmentation on several public benchmarks, such as Waymo Open Dataset, SemanticKITTI and ScanNetV2.

3D Semantic Segmentation Segmentation

Text-to-Sticker: Style Tailoring Latent Diffusion Models for Human Expression

no code implementations17 Nov 2023 Animesh Sinha, Bo Sun, Anmol Kalia, Arantxa Casanova, Elliot Blanchard, David Yan, Winnie Zhang, Tony Nelli, Jiahui Chen, Hardik Shah, Licheng Yu, Mitesh Kumar Singh, Ankit Ramchandani, Maziar Sanjabi, Sonal Gupta, Amy Bearman, Dhruv Mahajan

Evaluation results show our method improves visual quality by 14%, prompt alignment by 16. 2% and scene diversity by 15. 3%, compared to prompt engineering the base Emu model for stickers generation.

Image Generation Prompt Engineering

Online Conversion with Switching Costs: Robust and Learning-Augmented Algorithms

no code implementations31 Oct 2023 Adam Lechowicz, Nicolas Christianson, Bo Sun, Noman Bashir, Mohammad Hajiesmaili, Adam Wierman, Prashant Shenoy

We introduce competitive (robust) threshold-based algorithms for both the minimization and maximization variants of this problem, and show they are optimal among deterministic online algorithms.

Online Algorithms with Uncertainty-Quantified Predictions

no code implementations17 Oct 2023 Bo Sun, Jerry Huang, Nicolas Christianson, Mohammad Hajiesmaili, Adam Wierman

In particular, we consider predictions augmented with uncertainty quantification describing the likelihood of the ground truth falling in a certain range, designing online algorithms with these probabilistic predictions for two classic online problems: ski rental and online search.

Uncertainty Quantification

Weakly Supervised Point Clouds Transformer for 3D Object Detection

no code implementations8 Sep 2023 Zuojin Tang, Bo Sun, Tongwei Ma, Daosheng Li, Zhenhui Xu

The teacher network supervises the classification and regression of the student network using the pre-trained model on ImageNet.

3D Object Detection Object +3

Time Fairness in Online Knapsack Problems

1 code implementation22 May 2023 Adam Lechowicz, Rik Sengupta, Bo Sun, Shahin Kamali, Mohammad Hajiesmaili

We propose a parameterized deterministic algorithm where the parameter precisely captures the Pareto-optimal trade-off between fairness (static pricing) and competitiveness (dynamic pricing).

Fairness

CSED: A Chinese Semantic Error Diagnosis Corpus

no code implementations9 May 2023 Bo Sun, Baoxin Wang, YiXuan Wang, Wanxiang Che, Dayong Wu, Shijin Wang, Ting Liu

Our experiments show that powerful pre-trained models perform poorly on this corpus.

GenCorres: Consistent Shape Matching via Coupled Implicit-Explicit Shape Generative Models

1 code implementation20 Apr 2023 Haitao Yang, Xiangru Huang, Bo Sun, Chandrajit Bajaj, QiXing Huang

GenCorres addresses this issue by learning an implicit generator from the input shapes, which provides intermediate shapes between two arbitrary shapes.

LiDAR-Based 3D Object Detection via Hybrid 2D Semantic Scene Generation

1 code implementation4 Apr 2023 Haitao Yang, Zaiwei Zhang, Xiangru Huang, Min Bai, Chen Song, Bo Sun, Li Erran Li, QiXing Huang

Bird's-Eye View (BEV) features are popular intermediate scene representations shared by the 3D backbone and the detector head in LiDAR-based object detectors.

3D Object Detection object-detection +1

The Projection-Enhancement Network (PEN)

1 code implementation26 Jan 2023 Christopher Z. Eddy, Austin Naylor, Bo Sun

Contemporary approaches to instance segmentation in cell science use 2D or 3D convolutional networks depending on the experiment and data structures.

Instance Segmentation Segmentation +1

Emotion Recognition using Machine Learning and ECG signals

no code implementations16 Mar 2022 Bo Sun, Zihuai Lin

Various emotions can produce variations in electrocardiograph (ECG) signals, distinct emotions can be distinguished by different changes in ECG signals.

BIG-bench Machine Learning Emotion Recognition

Improved Sensing and Positioning via 5G and mmWave radar for Airport Surveillance

no code implementations28 Feb 2022 Bo Tan, Elena Simona Lohan, Bo Sun, Wenbo Wang, Taylan Yesilyurt, Christophe Morlaas, Carlos David Morales Pena, Kanaan Abdo, Fathia Ben Slama, Alexandre Simonin, Mohamed Ellejmi

This paper explores an integrated approach for improved sensing and positioning with applications in air traffic management (ATM) and in the Advanced Surface Movement Guidance and Control System (A-SMGCS).

Management

Using Wi-Fi Signal as Sensing Medium: Passive Radar, Channel State Information and Followups

no code implementations9 Jan 2022 Bo Tan, Bo Sun

The idea of exploiting the Wi-Fi bursts as the medium for sensing purposes, particularly for the human targets in the indoor environment, was cultivated in both radar and computer science communities and it has became a noticeable research genre with cross-disciplinary impact in security, healthcare, human-machine interaction etc. This article comparatively introduces passive radar based and channel state information (CSI) based approaches.

Pareto-Optimal Learning-Augmented Algorithms for Online Conversion Problems

no code implementations NeurIPS 2021 Bo Sun, Russell Lee, Mohammad Hajiesmaili, Adam Wierman, Danny H. K. Tsang

This paper leverages machine-learned predictions to design competitive algorithms for online conversion problems with the goal of improving the competitive ratio when predictions are accurate (i. e., consistency), while also guaranteeing a worst-case competitive ratio regardless of the prediction quality (i. e., robustness).

Tuning IR-cut Filter for Illumination-aware Spectral Reconstruction from RGB

no code implementations CVPR 2021 Bo Sun, Junchi Yan, Xiao Zhou, Yinqiang Zheng

To reconstruct spectral signals from multi-channel observations, in particular trichromatic RGBs, has recently emerged as a promising alternative to traditional scanning-based spectral imager.

Spectral Reconstruction

FSCE: Few-Shot Object Detection via Contrastive Proposal Encoding

3 code implementations CVPR 2021 Bo Sun, Banghuai Li, Shengcai Cai, Ye Yuan, Chi Zhang

We present Few-Shot object detection via Contrastive proposals Encoding (FSCE), a simple yet effective approach to learning contrastive-aware object proposal encodings that facilitate the classification of detected objects.

Contrastive Learning Few-Shot Learning +4

Online Network Utility Maximization: Algorithm, Competitive Analysis, and Applications

no code implementations26 Jan 2021 Ying Cao, Bo Sun, Danny H. K. Tsang

In addition, since worst-case scenarios rarely occur in practice, we devise an adaptive implementation of our algorithm to improve its average-case performance and validate its effectiveness via simulations.

Data Structures and Algorithms

Learning-Based Predictive Control via Real-Time Aggregate Flexibility

no code implementations21 Dec 2020 Tongxin Li, Bo Sun, Yue Chen, Zixin Ye, Steven H. Low, Adam Wierman

To be used effectively, an aggregator must be able to communicate the available flexibility of the loads they control, as known as the aggregate flexibility to a system operator.

Optimization and Control Systems and Control Systems and Control

Learning Order Parameters from Videos of Dynamical Phases for Skyrmions with Neural Networks

no code implementations2 Dec 2020 Weidi Wang, Zeyuan Wang, Yinghui Zhang, Bo Sun, Ke Xia

The main purposes of this paper are to use neural networks for classifying the dynamical phases of some videos and to demonstrate that neural networks can learn physical concepts from them.

Extracellular Matrix regulates the morphodynamics of 3D migrating cancer cells

1 code implementation22 Oct 2020 Christopher Z. Eddy, Helena Raposo, Ryan Wong, Bo Sun

As a result, we map cell morphodynamics at mesoscale into the temporal evolution of morphological phenotypes.

Navigate

H3DNet: 3D Object Detection Using Hybrid Geometric Primitives

2 code implementations ECCV 2020 Zaiwei Zhang, Bo Sun, Haitao Yang, Qi-Xing Huang

We show how to convert the predicted geometric primitives into object proposals by defining a distance function between an object and the geometric primitives.

3D Object Detection Object +1

Modeling cell migration regulated by cell-ECM micromechanical coupling

no code implementations16 May 2019 Yu Zheng, Hanqing Nan, Qihui Fan, Xiaochen Wang, LiYu Liu, Ruchuan Liu, Fangfu Ye, Bo Sun, Yang Jiao

During migration, individual cells can generate active pulling forces via actin filament contraction, which are transmitted to the ECM fibers through focal adhesion complexes, remodel the ECM, and eventually propagate to and can be sensed by other cells in the system.

Oriented Point Sampling for Plane Detection in Unorganized Point Clouds

1 code implementation4 May 2019 Bo Sun, Philippos Mordohai

We named this method Oriented Point Sampling (OPS) to contrast with more conventional techniques that require the sampling of three unoriented points to generate plane hypotheses.

Point Cloud Segmentation

Adversarial Defense by Stratified Convolutional Sparse Coding

1 code implementation CVPR 2019 Bo Sun, Nian-hsuan Tsai, Fangchen Liu, Ronald Yu, Hao Su

We propose an adversarial defense method that achieves state-of-the-art performance among attack-agnostic adversarial defense methods while also maintaining robustness to input resolution, scale of adversarial perturbation, and scale of dataset size.

Adversarial Defense

MVPNet: Multi-View Point Regression Networks for 3D Object Reconstruction from A Single Image

no code implementations23 Nov 2018 Jinglu Wang, Bo Sun, Yan Lu

In this paper, we address the problem of reconstructing an object's surface from a single image using generative networks.

3D Object Reconstruction From A Single Image regression

The morphodynamics of 3D migrating cancer cells

1 code implementation27 Jul 2018 Christopher Z. Eddy, Xinyao Wang, Fuxin Li, Bo Sun

As a result, cell morphodynamics is mapped into temporal evolution of morphological phenotypes.

Stay On-Topic: Generating Context-specific Fake Restaurant Reviews

1 code implementation7 May 2018 Mika Juuti, Bo Sun, Tatsuya Mori, N. Asokan

Automatically generated fake restaurant reviews are a threat to online review systems.

Machine Translation NMT

An interacting replica approach applied to the traveling salesman problem

no code implementations27 Jun 2014 Bo Sun, Blake Leonard, Peter Ronhovde, Zohar Nussinov

The {\it ensemble} of replicas evolves as to maximize the inter-replica correlation while simultaneously minimize the local intra-replica cost function (e. g., the total path length in the Traveling Salesman Problem within each replica).

Combinatorial Optimization Traveling Salesman Problem

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