no code implementations • 12 Mar 2025 • Jessica Hullman, Yifan Wu, Dawei Xie, Ziyang Guo, Andrew Gelman
We identify ways in which conformal prediction sets and posthoc predictive uncertainty quantification more broadly are in tension with common goals and needs in human-AI decision making.
1 code implementation • 26 Dec 2024 • Xudong Yang, Yifan Wu, Yizhang Zhu, Nan Tang, Yuyu Luo
To effectively train AskChart, we design a three-stage training strategy to align visual and textual modalities for learning robust visual-textual representations and optimizing the learning of the MoE layer.
1 code implementation • 12 Dec 2024 • Xichen Ye, Yifan Wu, Weizhong Zhang, Xiaoqiang Li, Yifan Chen, Cheng Jin
Previous research has shown that constraining the gradient of loss function with respect to model-predicted probabilities can enhance the model robustness against noisy labels.
1 code implementation • 4 Dec 2024 • Yifan Wu, Xichen Ye, Songmin Dai, Dengye Pan, Xiaoqiang Li, Weizhong Zhang, Yifan Chen
We recognize the "energy barrier" in OOD detection, which characterizes the energy difference between in-distribution (ID) and OOD samples and eases detection.
Out-of-Distribution Detection
Out of Distribution (OOD) Detection
1 code implementation • 3 Dec 2024 • Xichen Ye, Yifan Wu, Yiwen Xu, Xiaoqiang Li, Weizhong Zhang, Yifan Chen
By replacing MAE in APL with our proposed NNLFs, we enhance APL and present a new framework called Active Negative Loss (ANL).
no code implementations • 29 Nov 2024 • Wenjia Wang, Liang Pan, Zhiyang Dou, Jidong Mei, Zhouyingcheng Liao, Yuke Lou, Yifan Wu, Lei Yang, Jingbo Wang, Taku Komura
Simulating stylized human-scene interactions (HSI) in physical environments is a challenging yet fascinating task.
1 code implementation • 23 Nov 2024 • Yifan Wu, Min Zeng, Yang Li, Yang Zhang, Min Li
Most current molecular language models transfer the masked language model or image-text generation model from natural language processing to molecular field.
no code implementations • 19 Nov 2024 • Zongrong Li, Junhao Xu, Siqin Wang, Yifan Wu, Haiyang Li
Geospatial predictions are crucial for diverse fields such as disaster management, urban planning, and public health.
no code implementations • 3 Nov 2024 • Ziyang Guo, Yifan Wu, Jason Hartline, Jessica Hullman
Humans and AIs are often paired on decision tasks with the expectation of achieving complementary performance -- where the combination of human and AI outperforms either one alone.
1 code implementation • 28 Oct 2024 • Zenan Li, Yifan Wu, Zhaoyu Li, Xinming Wei, Xian Zhang, Fan Yang, Xiaoxing Ma
Autoformalization, the task of automatically translating natural language descriptions into a formal language, poses a significant challenge across various domains, especially in mathematics.
no code implementations • 28 Oct 2024 • Yanliang Jin, Yifan Wu, Yuan Gao, Shunqing Zhang, Shugong Xu, Cheng-Xiang Wang
The emergence of 6th generation (6G) mobile networks brings new challenges in supporting high-mobility communications, particularly in addressing the issue of channel aging.
no code implementations • 21 Oct 2024 • Yifan Wu, Yuntao Yang, Zirui Liu, Zhao Li, Khushbu Pahwa, Rongbin Li, Wenjin Zheng, Xia Hu, Zhaozhuo Xu
Gene-gene interactions play a crucial role in the manifestation of complex human diseases.
no code implementations • 3 Oct 2024 • Jinghao Shi, Xiang Shen, Kaili Zhao, Xuedong Wang, Vera Wen, Zixuan Wang, Yifan Wu, Zhixin Zhang
To integrate both features while maintaining efficiency and manageable resource costs, we present Confidence-aware Privileged Feature Distillation (CPFD), which empowers features of an end-to-end multi-modal model by adaptively distilling privileged features during training.
no code implementations • 3 Aug 2024 • Yifan Wu, Tianyi Cheng, Peixu Xin, Janusz Konrad
Furthermore, inaccurate depth initialization in DBARF results in erroneous geometric information affecting the overall convergence and quality of results.
no code implementations • 13 Jun 2024 • Yifan Wu, Jason Hartline
Scoring rules evaluate probabilistic forecasts of an unknown state against the realized state and are a fundamental building block in the incentivized elicitation of information and the training of machine learning models.
no code implementations • 23 May 2024 • Yue Yang, Mona Gandhi, YuFei Wang, Yifan Wu, Michael S. Yao, Chris Callison-Burch, James C. Gee, Mark Yatskar
KnoBo uses retrieval-augmented language models to design an appropriate concept space paired with an automatic training procedure for recognizing the concept.
no code implementations • 11 May 2024 • Yifan Wu, Lutao Yan, Leixian Shen, Yunhai Wang, Nan Tang, Yuyu Luo
To further explore the limitations of MLLMs in low-level ChartQA, we conduct experiments that alter visual elements of charts (e. g., changing color schemes, adding image noise) to assess their impact on the task effectiveness.
no code implementations • 21 Apr 2024 • Lunjia Hu, Yifan Wu
Calibration allows predictions to be reliably interpreted as probabilities by decision makers.
no code implementations • 2 Apr 2024 • Yifan Wu, Mengjin Dong, Rohit Jena, Chen Qin, James C. Gee
Leveraging Neural Ordinary Differential Equations (ODE) for registration, this extension work discusses how this framework can aid in the characterization of sequential biological processes.
1 code implementation • 20 Mar 2024 • Yifan Wu, Jiawei Du, Ping Liu, Yuewei Lin, Wei Xu, Wenqing Cheng
Dataset distillation is an advanced technique aimed at compressing datasets into significantly smaller counterparts, while preserving formidable training performance.
no code implementations • 8 Mar 2024 • Yifan Wu, Yang Liu, Yue Yang, Michael S. Yao, Wenli Yang, Xuehui Shi, Lihong Yang, Dongjun Li, Yueming Liu, James C. Gee, Xuan Yang, Wenbin Wei, Shi Gu
Diagnosing rare diseases presents a common challenge in clinical practice, necessitating the expertise of specialists for accurate identification.
no code implementations • 23 Feb 2024 • Yifan Wu, Yousong Peng
In recent years, substantial advancements have been achieved in understanding the diversity of the human virome and its intricate roles in human health and diseases.
no code implementations • 5 Feb 2024 • Dayou Mao, Yuhao Chen, Yifan Wu, Maximilian Gilles, Alexander Wong
One of the main motivations of MTL is to develop neural networks capable of inferring multiple tasks simultaneously.
no code implementations • 28 Jan 2024 • Sharib Ali, Yamid Espinel, Yueming Jin, Peng Liu, Bianca Güttner, Xukun Zhang, Lihua Zhang, Tom Dowrick, Matthew J. Clarkson, Shiting Xiao, Yifan Wu, Yijun Yang, Lei Zhu, Dai Sun, Lan Li, Micha Pfeiffer, Shahid Farid, Lena Maier-Hein, Emmanuel Buc, Adrien Bartoli
A total of 6 teams from 4 countries participated, whose proposed methods were evaluated on 16 images and two preoperative 3D models from two patients.
no code implementations • 27 Jan 2024 • Ziyang Guo, Yifan Wu, Jason Hartline, Jessica Hullman
We argue that the current definition of appropriate reliance used in such research lacks formal statistical grounding and can lead to contradictions.
no code implementations • 12 Jan 2024 • Yifan Wu, Michael B. Wakin, Peter Gerstoft
The DOA is retrieved using a Vandermonde decomposition on the Toeplitz matrix obtained from the solution of the SDP.
no code implementations • 26 Dec 2023 • Songmin Dai, Yifan Wu, Xiaoqiang Li, xiangyang xue
Recent unsupervised anomaly detection methods often rely on feature extractors pretrained with auxiliary datasets or on well-crafted anomaly-simulated samples.
Ranked #16 on
Anomaly Detection
on MVTec LOCO AD
no code implementations • 18 Dec 2023 • Yifan Wu, Rohit Jena, Mehmet Gulsun, Vivek Singh, Puneet Sharma, James C. Gee
Coronary angiography is the gold standard imaging technique for studying and diagnosing coronary artery disease.
no code implementations • 29 Nov 2023 • Yifan Wu, Hayden Gunraj, Chi-en Amy Tai, Alexander Wong
The global ramifications of the COVID-19 pandemic remain significant, exerting persistent pressure on nations even three years after its initial outbreak.
no code implementations • 22 Nov 2023 • Xiyu Qi, Yifan Wu, Yongqiang Mao, Wenhui Zhang, Yidan Zhang
The Segment Anything Model (SAM) exhibits remarkable versatility and zero-shot learning abilities, owing largely to its extensive training data (SA-1B).
no code implementations • 20 Nov 2023 • Chi-en Amy Tai, Saeejith Nair, Olivia Markham, Matthew Keller, Yifan Wu, Yuhao Chen, Alexander Wong
Dietary intake estimation plays a crucial role in understanding the nutritional habits of individuals and populations, aiding in the prevention and management of diet-related health issues.
no code implementations • 15 Nov 2023 • Yifan Wu, Pengchuan Zhang, Wenhan Xiong, Barlas Oguz, James C. Gee, Yixin Nie
The study explores the effectiveness of the Chain-of-Thought approach, known for its proficiency in language tasks by breaking them down into sub-tasks and intermediate steps, in improving vision-language tasks that demand sophisticated perception and reasoning.
Ranked #1 on
Visual Reasoning
on Winoground
1 code implementation • 15 Sep 2023 • Shiyi Zhu, Jing Ye, Wei Jiang, Siqiao Xue, Qi Zhang, Yifan Wu, Jianguo Li
In fact, anomalous behaviors harming long context extrapolation exist between Rotary Position Embedding (RoPE) and vanilla self-attention unveiled by our work.
no code implementations • 14 Sep 2023 • Chi-en Amy Tai, Matthew Keller, Saeejith Nair, Yuhao Chen, Yifan Wu, Olivia Markham, Krish Parmar, Pengcheng Xi, Heather Keller, Sharon Kirkpatrick, Alexander Wong
Recent work has focused on using computer vision and machine learning to automatically estimate dietary intake from food images, but the lack of comprehensive datasets with diverse viewpoints, modalities and food annotations hinders the accuracy and realism of such methods.
no code implementations • 21 Apr 2023 • Alexander Wong, Yifan Wu, Saad Abbasi, Saeejith Nair, Yuhao Chen, Mohammad Javad Shafiee
As such, the design of highly efficient multi-task deep neural network architectures tailored for computer vision tasks for robotic grasping on the edge is highly desired for widespread adoption in manufacturing environments.
no code implementations • 15 Mar 2023 • Siyu Chen, Jibang Wu, Yifan Wu, Zhuoran Yang
Such a problem is modeled as a Stackelberg game between the principal and the agent, where the principal announces a scoring rule that specifies the payment, and then the agent then chooses an effort level that maximizes her own profit and reports the information.
no code implementations • 13 Jul 2022 • Yifan Wu, Michael B. Wakin, Peter Gerstoft
Direction-of-arrival (DOA) estimation is widely applied in acoustic source localization.
2 code implementations • NeurIPS 2021 • Saurabh Garg, Yifan Wu, Alex Smola, Sivaraman Balakrishnan, Zachary C. Lipton
Formally, this task is broken down into two subtasks: (i) Mixture Proportion Estimation (MPE) -- determining the fraction of positive examples in the unlabeled data; and (ii) PU-learning -- given such an estimate, learning the desired positive-versus-negative classifier.
no code implementations • 24 Sep 2021 • Di Fan, Yifan Wu, Xiaoxiao Li
Distributed and collaborative learning is an approach to involve training models in massive, heterogeneous, and distributed data sources, also known as nodes.
no code implementations • CVPR 2022 • Yifan Wu, Tom Z. Jiahao, Jiancong Wang, Paul A. Yushkevich, M. Ani Hsieh, James C. Gee
Deformable image registration (DIR), aiming to find spatial correspondence between images, is one of the most critical problems in the domain of medical image analysis.
no code implementations • 12 Jun 2021 • Yifan Wu, Min Zeng, Ying Yu, Min Li
The label-wise attention mechanism is widely used in automatic ICD coding because it can assign weights to every word in full Electronic Medical Records (EMR) for different ICD codes.
1 code implementation • NeurIPS 2021 • Saurabh Garg, Yifan Wu, Alex Smola, Sivaraman Balakrishnan, Zachary Chase Lipton
Formally, this task is broken down into two subtasks: (i) Mixture Proportion Estimation (MPE)---determining the fraction of positive examples in the unlabeled data; and (ii) PU-learning---given such an estimate, learning the desired positive-versus-negative classifier.
no code implementations • 25 Apr 2021 • Songmin Dai, Jide Li, Lu Wang, Congcong Zhu, Yifan Wu, Xiaoqiang Li
This paper first introduces a novel method to generate anomalous data by breaking up global structures while preserving local structures of normal data at multiple levels.
no code implementations • 6 Apr 2021 • Chenjun Xiao, Yifan Wu, Tor Lattimore, Bo Dai, Jincheng Mei, Lihong Li, Csaba Szepesvari, Dale Schuurmans
First, we introduce a class of confidence-adjusted index algorithms that unifies optimistic and pessimistic principles in a common framework, which enables a general analysis.
no code implementations • 8 Mar 2021 • Ruosong Wang, Yifan Wu, Ruslan Salakhutdinov, Sham M. Kakade
In offline reinforcement learning (RL), we seek to utilize offline data to evaluate (or learn) policies in scenarios where the data are collected from a distribution that substantially differs from that of the target policy to be evaluated.
1 code implementation • 7 Mar 2021 • Xiaoxiao Li, Ziteng Cui, Yifan Wu, Lin Gu, Tatsuya Harada
To tackle this issue, we propose an adversarial multi-task training strategy to simultaneously mitigate and detect bias in the deep learning-based medical image analysis system.
1 code implementation • Front. Physiol 2021 • Hua Zhang, Ruoyun Gou, Jili Shang, Fangyao Shen, Yifan Wu, Guojun Dai
To establish an effective features extracting and classification model is still a challenging task.
1 code implementation • 29 Jan 2021 • Yifan Wu, Min Gao, Min Zeng, Feiyang Chen, Min Li, Jie Zhang
Therefore, we hope to develop a novel supervised learning method to learn the PPAs and DDAs effectively and thereby improve the prediction performance of the specific task of DPI.
no code implementations • 27 Oct 2020 • Yifan Wu, Roshan Ayyalasomayajula, Michael J. Bianco, Dinesh Bharadia, Peter Gerstoft
This paper presents SSLIDE, Sound Source Localization for Indoors using DEep learning, which applies deep neural networks (DNNs) with encoder-decoder structure to localize sound sources with random positions in a continuous space.
no code implementations • 10 Jul 2020 • Yuhao Chen, Yifan Wu, Linlin Xu, Alexander Wong
In this paper, we leverage the performance of CNNs, and propose a module that uses prior knowledge of building corners to create angular and concise building polygons from CNN segmentation outputs.
no code implementations • NeurIPS 2020 • Saurabh Garg, Yifan Wu, Sivaraman Balakrishnan, Zachary C. Lipton
Our contributions include (i) consistency conditions for MLLS, which include calibration of the classifier and a confusion matrix invertibility condition that BBSE also requires; (ii) a unified framework, casting BBSE as roughly equivalent to MLLS for a particular choice of calibration method; and (iii) a decomposition of MLLS's finite-sample error into terms reflecting miscalibration and estimation error.
no code implementations • 24 Dec 2019 • Chenjun Xiao, Yifan Wu, Chen Ma, Dale Schuurmans, Martin Müller
Despite its potential to improve sample complexity versus model-free approaches, model-based reinforcement learning can fail catastrophically if the model is inaccurate.
Model-based Reinforcement Learning
reinforcement-learning
+2
no code implementations • NeurIPS 2019 • Fan Yang, Liu Leqi, Yifan Wu, Zachary C. Lipton, Pradeep Ravikumar, William W. Cohen, Tom Mitchell
The ability to inferring latent psychological traits from human behavior is key to developing personalized human-interacting machine learning systems.
1 code implementation • 26 Nov 2019 • Yifan Wu, George Tucker, Ofir Nachum
In reinforcement learning (RL) research, it is common to assume access to direct online interactions with the environment.
no code implementations • 10 Jul 2019 • Jiancong Wang, Yu-Hua Chen, Yifan Wu, Jianbo Shi, James Gee
Single image super-resolution (SISR) reconstruction for magnetic resonance imaging (MRI) has generated significant interest because of its potential to not only speed up imaging but to improve quantitative processing and analysis of available image data.
no code implementations • ICLR 2019 • Heinrich Jiang, Yifan Wu, Ofir Nachum
In non-convex settings, the resulting problem may be difficult to solve as the Lagrangian is not guaranteed to have a deterministic saddle-point equilibrium.
1 code implementation • ICLR Workshop LLD 2019 • Yifan Wu, Ezra Winston, Divyansh Kaushik, Zachary Lipton
Domain adaptation addresses the common problem when the target distribution generating our test data drifts from the source (training) distribution.
no code implementations • 8 Nov 2018 • Xiaoxiao Li, Vivek Singh, Yifan Wu, Klaus Kirchberg, James Duncan, Ankur Kapoor
Tracking organ motion is important in image-guided interventions, but motion annotations are not always easily available.
no code implementations • ICLR 2019 • Yifan Wu, George Tucker, Ofir Nachum
In this paper, we present a fully general and scalable method for approximating the eigenvectors of the Laplacian in a model-free RL context.
no code implementations • 25 Jul 2018 • Qi Chen, Lei Wang, Yifan Wu, Guangming Wu, Zhiling Guo, Steven L. Waslander
In this paper, we present a new large-scale benchmark dataset termed Aerial Imagery for Roof Segmentation (AIRS).
no code implementations • 23 Jun 2018 • Yifan Wu, Fan Yang, Haibin Ling
In this paper, we propose a new framework called Privacy-Protective-GAN (PP-GAN) that adapts GAN with novel verificator and regulator modules specially designed for the face de-identification problem to ensure generating de-identified output with retained structure similarity according to a single input.
no code implementations • CVPR 2018 • Brian Teixeira, Vivek Singh, Terrence Chen, Kai Ma, Birgi Tamersoy, Yifan Wu, Elena Balashova, Dorin Comaniciu
Furthermore, the synthetic X-ray image is parametrized and can be manipulated by adjusting a set of body markers which are also generated during the X-ray image prediction.
no code implementations • 13 Feb 2018 • Yifan Wu, Barnabas Poczos, Aarti Singh
A major challenge in understanding the generalization of deep learning is to explain why (stochastic) gradient descent can exploit the network architecture to find solutions that have good generalization performance when using high capacity models.
no code implementations • 23 Mar 2017 • Pengpeng Liang, Yifan Wu, Hu Lu, Liming Wang, Chunyuan Liao, Haibin Ling
In this paper, we present a carefully designed planar object tracking benchmark containing 210 videos of 30 planar objects sampled in the natural environment.
no code implementations • 13 Feb 2016 • Yifan Wu, Roshan Shariff, Tor Lattimore, Csaba Szepesvári
We consider both the stochastic and the adversarial settings, where we propose, natural, yet novel strategies and analyze the price for maintaining the constraints.
no code implementations • NeurIPS 2015 • Yifan Wu, András György, Csaba Szepesvári
For the first time in the literature, we provide non-asymptotic problem-dependent lower bounds on the regret of any algorithm, which recover existing asymptotic problem-dependent lower bounds and finite-time minimax lower bounds available in the literature.