no code implementations • WASSA (ACL) 2022 • Hao Lin, Pradeep Nalluri, Lantian Li, Yifan Sun, Yongjun Zhang
We introduce new datasets from Twitter related to anti-Asian hate sentiment before and during the pandemic.
no code implementations • 27 Nov 2024 • Yifan Sun, Hirofumi Tsuruta, Masaya Kumagai, Ken Kurosaki
Thirteen years after the Fukushima Daiichi nuclear power plant accident, Japan's nuclear energy accounts for only approximately 6% of electricity production, as most nuclear plants remain shut down.
no code implementations • 29 Oct 2024 • Yifan Sun, Yuhang Li, Yue Zhang, Yuchen Jin, huan zhang
Open-source Large Language Models (LLMs) have recently demonstrated remarkable capabilities in natural language understanding and generation, leading to widespread adoption across various domains.
1 code implementation • 19 Oct 2024 • Baojian Zhou, Yifan Sun, Reza Babanezhad Harikandeh, Xingzhi Guo, Deqing Yang, Yanghua Xiao
We propose to use the \textit{locally evolving set process}, a novel framework to characterize the algorithm locality, and demonstrate that many standard solvers can be effectively localized.
no code implementations • 17 Oct 2024 • Yufeng Yang, Erin Tripp, Yifan Sun, Shaofeng Zou, Yi Zhou
Recent studies have shown that many nonconvex machine learning problems meet a so-called generalized-smooth condition that extends beyond traditional smooth nonconvex optimization.
1 code implementation • 8 Oct 2024 • Xueying Bai, Yifan Sun, Niranjan Balasubramanian
Such attention sinks may lead to models' over-smoothing in single-task learning and interference in sequential tasks' learning, which may compromise the models' CL performance despite their high pre-trained capabilities.
no code implementations • 2 Oct 2024 • WeiYe Zhao, Feihan Li, Yifan Sun, Yujie Wang, Rui Chen, Tianhao Wei, Changliu Liu
Our insight is that although it is intractable to guarantee hard state-wise constraints in a model-free setting, we can enforce state-wise safety with high probability while excluding strong assumptions.
no code implementations • 30 Sep 2024 • Wenhao Wang, Yifan Sun, Zhentao Tan, Yi Yang
Existing Image Copy Detection (ICD) models, though accurate in detecting hand-crafted replicas, overlook the challenge from diffusion models.
1 code implementation • 24 Sep 2024 • Chuyang Zhao, Yuxing Song, Wenhao Wang, Haocheng Feng, Errui Ding, Yifan Sun, Xinyan Xiao, Jingdong Wang
Most existing multimodality methods use separate backbones for autoregression-based discrete text generation and diffusion-based continuous visual generation, or the same backbone by discretizing the visual data to use autoregression for both text and visual generation.
no code implementations • 18 Sep 2024 • Yifan Sun, Rang Liu, Zhiping Lu, Honghao Luo, Ming Li, Qian Liu
In this paper, we first present a range-Doppler (RD) imaging algorithm to obtain imaging results for the proposed ARIS-empowered SAR system.
no code implementations • 10 Sep 2024 • Yi Liu, Luting Wang, Zongheng Tang, Yue Liao, Yifan Sun, Lijun Zhang, Si Liu
Transformers have revolutionized the object detection landscape by introducing DETRs, acclaimed for their simplicity and efficacy.
2 code implementations • 7 Aug 2024 • Yifan Sun, Jingyan Shen, Yongchan Kwon
Data valuation has emerged as a powerful framework for quantifying each datum's contribution to the training of a machine learning model.
1 code implementation • 29 Jul 2024 • Feiyang Kang, Yifan Sun, Bingbing Wen, Si Chen, Dawn Song, Rafid Mahmood, Ruoxi Jia
Domain reweighting is an emerging research area aimed at adjusting the relative weights of different data sources to improve the effectiveness and efficiency of language model pre-training.
1 code implementation • 16 Jul 2024 • Penghui Du, Yu Wang, Yifan Sun, Luting Wang, Yue Liao, Gang Zhang, Errui Ding, Yan Wang, Jingdong Wang, Si Liu
Existing methods enhance open-vocabulary object detection by leveraging the robust open-vocabulary recognition capabilities of Vision-Language Models (VLMs), such as CLIP. However, two main challenges emerge:(1) A deficiency in concept representation, where the category names in CLIP's text space lack textual and visual knowledge.
Ranked #1 on Open Vocabulary Object Detection on LVIS v1.0
1 code implementation • 7 Jul 2024 • Wenhao Wang, Yifan Sun, Zongxin Yang, Zhengdong Hu, Zhentao Tan, Yi Yang
In this survey, we provide the first comprehensive review of replication in visual diffusion models, marking a novel contribution to the field by systematically categorizing the existing studies into unveiling, understanding, and mitigating this phenomenon.
no code implementations • 16 Jun 2024 • Yushen Huang, Ertai Luo, Stanley Bak, Yifan Sun
We present a reachability algorithm for linear systems with uncertain parameters and inputs using set propagation of polynomial zonotopes.
1 code implementation • 13 Jun 2024 • Yuchi Liu, Yifan Sun, Jingdong Wang, Liang Zheng
This paper evaluates the generalization ability of classification models on out-of-distribution test sets without depending on ground truth labels.
1 code implementation • 22 May 2024 • Huanjin Yao, Wenhao Wu, Taojiannan Yang, Yuxin Song, Mengxi Zhang, Haocheng Feng, Yifan Sun, Zhiheng Li, Wanli Ouyang, Jingdong Wang
We witness the rise of larger and higher-quality instruction datasets, as well as the involvement of larger-sized LLMs.
1 code implementation • 18 May 2024 • Mengxi Zhang, Wenhao Wu, Yu Lu, Yuxin Song, Kang Rong, Huanjin Yao, Jianbo Zhao, Fanglong Liu, Yifan Sun, Haocheng Feng, Jingdong Wang
To verify our viewpoint, we present the Automated Multi-level Preference (AMP) framework for MLLMs.
no code implementations • 5 May 2024 • Feiyang Kang, Hoang Anh Just, Yifan Sun, Himanshu Jahagirdar, Yuanzhi Zhang, Rongxing Du, Anit Kumar Sahu, Ruoxi Jia
The goal is to minimize the need for costly domain-specific data for subsequent fine-tuning while achieving desired performance levels.
2 code implementations • 21 Apr 2024 • Wenhao Wang, Yifan Sun, Zhentao Tan, Yi Yang
To accommodate the "seen $\rightarrow$ unseen" generalization scenario, we construct the first large-scale pattern dataset named AnyPattern, which has the largest number of tamper patterns ($90$ for training and $10$ for testing) among all the existing ones.
1 code implementation • CVPR 2024 • Chuyang Zhao, Yifan Sun, Wenhao Wang, Qiang Chen, Errui Ding, Yi Yang, Jingdong Wang
The traditional training procedure using one-to-one supervision in the original DETR lacks direct supervision for the object detection candidates.
no code implementations • CVPR 2024 • Yulu Gao, Yifan Sun, Xudong Ding, Chuyang Zhao, Si Liu
This paper views the DETR's non-duplicate detection ability as a competition result among object queries.
no code implementations • 29 Dec 2023 • Gechun Liang, Yifan Sun, Thaleia Zariphopoulou
We, also, consider representative examples for both forward performance criteria with random endowment and forward OCE, and for the case of exponential criteria, we investigate the connection between forward OCE and forward entropic risk measures.
1 code implementation • 27 Dec 2023 • Zhengjia Wang, Danding Wang, Qiang Sheng, Juan Cao, Silong Su, Yifan Sun, Beizhe Hu, Siyuan Ma
As the disruptive changes in the media economy and the proliferation of alternative news media outlets, news intent has progressively deviated from ethical standards that serve the public interest.
no code implementations • 14 Dec 2023 • Qilong Li, Ji Liu, Yifan Sun, Chongsheng Zhang, Dejing Dou
In addition, we propose a feature selection masknet as the model adjustment method to improve the performance based on the masked images.
no code implementations • 10 Dec 2023 • Yifan Sun, Jianquan Lu, Daniel W. C. Ho, Lulu Li
In this paper, we develop a new denial-of-service (DoS) estimator, enabling defenders to identify duration and frequency parameters of any DoS attacker, except for three edge cases, exclusively using real-time data.
no code implementations • 22 Nov 2023 • Lingjiao Chen, Bilge Acun, Newsha Ardalani, Yifan Sun, Feiyang Kang, Hanrui Lyu, Yongchan Kwon, Ruoxi Jia, Carole-Jean Wu, Matei Zaharia, James Zou
As Machine Learning (ML) systems continue to grow, the demand for relevant and comprehensive datasets becomes imperative.
1 code implementation • 20 Oct 2023 • WeiYe Zhao, Feihan Li, Yifan Sun, Rui Chen, Tianhao Wei, Changliu Liu
In recent years, trust region on-policy reinforcement learning has achieved impressive results in addressing complex control tasks and gaming scenarios.
no code implementations • 5 Sep 2023 • Ruixuan Liu, Yifan Sun, Changliu Liu
Experiments demonstrate that the EOAT can reliably manipulate Lego bricks and the learning framework can effectively and safely improve the manipulation performance to a 100% success rate.
no code implementations • ICCV 2023 • Lu Yang, Liulei Li, Xueshi Xin, Yifan Sun, Qing Song, Wenguan Wang
Instead of existing efforts devoted to localizing tourist photos captured by perspective cameras, in this article, we focus on devising person positioning solutions using overhead fisheye cameras.
1 code implementation • 21 Jun 2023 • WeiYe Zhao, Rui Chen, Yifan Sun, Tianhao Wei, Changliu Liu
In particular, we introduce the framework of Maximum Markov Decision Process, and prove that the worst-case safety violation is bounded under SCPO.
1 code implementation • NeurIPS 2023 • Jiaxin Lu, Yifan Sun, QiXing Huang
Our framework consists of four components: (1) front-end point feature extractor with attention layers, (2) surface segmentation to separate fracture and original parts, (3) multi-parts matching to find correspondences among fracture surface points, and (4) robust global alignment to recover the global poses of the pieces.
1 code implementation • 28 May 2023 • Wenjie Zhuo, Yifan Sun, Xiaohan Wang, Linchao Zhu, Yi Yang
Consequently, using multiple positive samples with enhanced diversity further improves contrastive learning due to better alignment.
1 code implementation • 25 May 2023 • Baojian Zhou, Yifan Sun, Reza Babanezhad
This paper studies the online node classification problem under a transductive learning setting.
1 code implementation • 23 May 2023 • WeiYe Zhao, Yifan Sun, Feihan Li, Rui Chen, Ruixuan Liu, Tianhao Wei, Changliu Liu
Due to the diversity of algorithms and tasks, it remains difficult to compare existing safe RL algorithms.
no code implementations • 17 May 2023 • Yushen Huang, Ertai Luo, Stanley Bak, Yifan Sun
The standard method for intersection checking with polynomial zonotopes is a two-part algorithm that overapproximates a polynomial zonotope with a regular zonotope and then, if the overapproximation error is deemed too large, splits the set and recursively tries again.
2 code implementations • 20 Apr 2023 • Wenhao Wang, Yifan Sun, Yi Yang
Video Copy Detection (VCD) has been developed to identify instances of unauthorized or duplicated video content.
no code implementations • CVPR 2023 • Zongheng Tang, Yifan Sun, Si Liu, Yi Yang
Second, through our design, the object queries and the foreground query in the decoder share consensus on the class semantics, therefore making the strong and weak supervision mutually benefit each other for domain alignment.
1 code implementation • NeurIPS 2023 • Wenhao Wang, Yifan Sun, Wei Li, Yi Yang
This paper explores a hierarchical prompting mechanism for the hierarchical image classification (HIC) task.
no code implementations • 4 Apr 2023 • Zhaoyue Chen, Yifan Sun
The Frank-Wolfe algorithm is a popular method in structurally constrained machine learning applications, due to its fast per-iteration complexity.
1 code implementation • 18 Mar 2023 • Fanglei Xue, Yifan Sun, Yi Yang
This paper explores an expression-related self-supervised learning (SSL) method (ContraWarping) to perform expression classification in the 5th Affective Behavior Analysis in-the-wild (ABAW) competition.
1 code implementation • ICCV 2023 • Qiankun Gao, Chen Zhao, Yifan Sun, Teng Xi, Gang Zhang, Bernard Ghanem, Jian Zhang
1) Learning: the pre-trained model adapts to the new task by tuning an online PET module, along with our adaptation speed calibration to align different PET modules, 2) Accumulation: the task-specific knowledge learned by the online PET module is accumulated into an offline PET module through momentum update, 3) Ensemble: During inference, we respectively construct two experts with online/offline PET modules (which are favored by the novel/historical tasks) for prediction ensemble.
1 code implementation • 16 Mar 2023 • Fanglei Xue, Yifan Sun, Yi Yang
Therefore, given a facial image, ContraWarping employs some global transformations and local warping to generate its positive and negative samples and sets up a novel contrastive learning framework.
1 code implementation • 7 Feb 2023 • Yifan Sun, Jingyan Shen, Yunfan Jiang, Zhaohui Huang, Minsheng Hao, Xuegong Zhang
The automatic detection of atrial fibrillation based on electrocardiograph (ECG) signals has received wide attention both clinically and practically.
no code implementations • CVPR 2023 • Yifan Sun, QiXing Huang
The first step performs diffusion and clustering to compute the candidate poses of the input objects.
1 code implementation • CVPR 2023 • Chao Wang, Zhedong Zheng, Ruijie Quan, Yifan Sun, Yi Yang
(2) The conventional paradigm usually focuses on mining the abnormal pattern of a superimposed image to separate the noise, which de facto conflicts with the primary image restoration task.
no code implementations • CVPR 2023 • Tianyi Ma, Yifan Sun, Zongxin Yang, Yi Yang
Based on these two common practices, the key point of ProD is using the prompting mechanism in the transformer to disentangle the domain-general (DG) and domain-specific (DS) knowledge from the backbone feature.
no code implementations • 28 Nov 2022 • Yuzhao Zhang, Yifan Sun
Motivated by the idea of semisoft clustering of data, we propose a semisoft task clustering approach, which can simultaneously reveal the task cluster structure for both pure and mixed tasks as well as select the relevant features.
1 code implementation • 28 Nov 2022 • Xue Yu, Yifan Sun, HaiJun Zhou
High-dimensional linear regression model is the most popular statistical model for high-dimensional data, but it is quite a challenging task to achieve a sparse set of regression coefficients.
1 code implementation • 8 Nov 2022 • Xue Yu, Ziyi Liu, Wu Wang, Yifan Sun
We propose a clustered FL framework that incorporates a nonconvex penalty to pairwise differences of parameters.
no code implementations • 7 Nov 2022 • Zhongdao Wang, Zhaopeng Dou, Jingwei Zhang, Liang Zheng, Yifan Sun, YaLi Li, Shengjin Wang
In this paper, we are interested in learning a generalizable person re-identification (re-ID) representation from unlabeled videos.
Domain Generalization Generalizable Person Re-identification +1
no code implementations • 14 Oct 2022 • Zhaoyue Chen, Yifan Sun
The Frank-Wolfe algorithm has regained much interest in its use in structurally constrained machine learning applications.
2 code implementations • 13 Oct 2022 • Jian-Wei Zhang, Yifan Sun, Yi Yang, Wei Chen
With a rethink of recent advances, we find that the current FSS framework has deviated far from the supervised segmentation framework: Given the deep features, FSS methods typically use an intricate decoder to perform sophisticated pixel-wise matching, while the supervised segmentation methods use a simple linear classification head.
1 code implementation • 26 Jul 2022 • Wenhao Wang, Yifan Sun, Zongxin Yang, Yi Yang
While model ensemble is common, we show that combining the vision models and vision-language models brings particular benefits from their complementarity and is a key factor to our superiority.
1 code implementation • 21 Jul 2022 • Teng Xi, Yifan Sun, Deli Yu, Bi Li, Nan Peng, Gang Zhang, Xinyu Zhang, Zhigang Wang, Jinwen Chen, Jian Wang, Lufei Liu, Haocheng Feng, Junyu Han, Jingtuo Liu, Errui Ding, Jingdong Wang
UFO aims to benefit each single task with a large-scale pretraining on all tasks.
2 code implementations • 29 Jun 2022 • Yining Shi, Jingyan Shen, Yifan Sun, Yunlong Wang, Jiaxin Li, Shiqi Sun, Kun Jiang, Diange Yang
Our novel sparse feature sampling module only utilizes local 2D region of interest (RoI) features calculated by the projection of 3D query boxes for further box refinement, leading to a fully-convolutional and deployment-friendly pipeline.
Ranked #8 on Robust Camera Only 3D Object Detection on nuScenes-C
no code implementations • 24 May 2022 • Zhaoyue Chen, Yifan Sun
The Frank-Wolfe method is a popular method in sparse constrained optimization, due to its fast per-iteration complexity.
no code implementations • 24 May 2022 • Xueying Bai, Jinghuan Shang, Yifan Sun, Niranjan Balasubramanian
Continual learning (CL) aims to learn a sequence of tasks over time, with data distributions shifting from one task to another.
1 code implementation • 24 May 2022 • Wenhao Wang, Yifan Sun, Yi Yang
Moreover, this paper further reveals a unique difficulty for solving the hard negative problem in ICD, i. e., there is a fundamental conflict between current metric learning and ICD.
1 code implementation • 3 Mar 2022 • Yongxing Dai, Yifan Sun, Jun Liu, Zekun Tong, Yi Yang, Ling-Yu Duan
Instead of directly aligning the source and target domains against each other, we propose to align the source and target domains against their intermediate domains for a smooth knowledge transfer.
no code implementations • 8 Feb 2022 • Zoë Papakipos, Giorgos Tolias, Tomas Jenicek, Ed Pizzi, Shuhei Yokoo, Wenhao Wang, Yifan Sun, Weipu Zhang, Yi Yang, Sanjay Addicam, Sergio Manuel Papadakis, Cristian Canton Ferrer, Ondrej Chum, Matthijs Douze
The 2021 Image Similarity Challenge introduced a dataset to serve as a new benchmark to evaluate recent image copy detection methods.
no code implementations • 17 Jan 2022 • Xu Chen, Yahong Han, Xiaohan Wang, Yifan Sun, Yi Yang
An effective approach is to select informative content from the holistic video, yielding a popular family of dynamic video recognition methods.
Ranked #43 on Action Recognition on Something-Something V1
no code implementations • CVPR 2022 • Jialun Liu, Yifan Sun, Feng Zhu, Hongbin Pei, Yi Yang, Wenhui Li
These two unidirectional metrics (IR image to RGB proxy and RGB image to IR proxy) jointly alleviate the relay effect and benefit cross-modality association.
Cross-Modality Person Re-identification Person Re-Identification
1 code implementation • CVPR 2022 • Yunqiu Xu, Yifan Sun, Zongxin Yang, Jiaxu Miao, Yi Yang
How to align the source and target domains is critical to the CDWSOD accuracy.
Ranked #1 on Weakly Supervised Object Detection on Clipart1k
1 code implementation • 15 Dec 2021 • Zongheng Huang, Yifan Sun, Chuchu Han, Changxin Gao, Nong Sang
By combining two fundamental learning approaches in DML, e. g., classification training and pairwise training, we set up a strong baseline for ZS-SBIR.
1 code implementation • 1 Dec 2021 • Kai Zhang, Yifan Sun, Rui Wang, Haichang Li, Xiaohui Hu
MFA basically considers three parallel information fusion strategies, i. e., the cross-model fusion, temporal fusion and a novel online-offline pseudo label fusion.
1 code implementation • 13 Nov 2021 • Wenhao Wang, Yifan Sun, Weipu Zhang, Yi Yang
In this paper, a data-driven and local-verification (D$^2$LV) approach is proposed to compete for Image Similarity Challenge: Matching Track at NeurIPS'21.
1 code implementation • 13 Nov 2021 • Wenhao Wang, Weipu Zhang, Yifan Sun, Yi Yang
In this paper, a bag of tricks and a strong baseline are proposed for image copy detection.
1 code implementation • NeurIPS 2021 • Tengteng Huang, Yifan Sun, Xun Wang, Haotian Yao, Chi Zhang
Model smoothing is of central importance for obtaining a reliable teacher model in the student-teacher framework, where the teacher generates surrogate supervision signals to train the student.
no code implementations • ICLR 2022 • Zhengdong Hu, Yifan Sun, Yi Yang
We hold a hypothesis, i. e., if a deep model is capable to fast generalize itself to different domains (using very few samples) during training, it will maintain such domain generalization capacity for testing.
3 code implementations • ICCV 2021 • Yongxing Dai, Jun Liu, Yifan Sun, Zekun Tong, Chi Zhang, Ling-Yu Duan
To ensure these two properties to better characterize appropriate intermediate domains, we enforce the bridge losses on intermediate domains' prediction space and feature space, and enforce a diversity loss on the two domain factors.
no code implementations • 2 Jul 2021 • Yifan Sun, Francis Bach
We couple this with a screening rule which is safe in the convex case, converging to the true support at a rate $O(1/(\delta^2))$ where $\delta \geq 0$ measures how close the problem is to degeneracy.
1 code implementation • 29 Jun 2021 • Baojian Zhou, Yifan Sun
In this paper, we consider approximate Frank-Wolfe (FW) algorithms to solve convex optimization problems over graph-structured support sets where the linear minimization oracle (LMO) cannot be efficiently obtained in general.
no code implementations • CVPR 2021 • Yifan Sun, QiXing Huang, Dun-Yu Hsiao, Li Guan, Gang Hua
Efficient 3D space sampling to represent an underlying3D object/scene is essential for 3D vision, robotics, and be-yond.
1 code implementation • CVPR 2021 • Yifan Sun, Yuke Zhu, Yuhan Zhang, Pengkun Zheng, Xi Qiu, Chi Zhang, Yichen Wei
%We argue that such flexibility is also important for deep metric learning, because different visual concepts indeed correspond to different semantic scales.
Ranked #2 on Metric Learning on DyML-Animal
no code implementations • 24 Nov 2020 • Xiangyu Niu, Yifan Sun, Jinyuan Sun
In multi-task learning (MTL), we improve the performance of key machine learning algorithms by training various tasks jointly.
no code implementations • 22 Aug 2020 • Jialun Liu, Jingwei Zhang, Yi Yang, Wenhui Li, Chi Zhang, Yifan Sun
With slight modifications, MBJ is applicable for two fundamental visual recognition tasks, \emph{i. e.}, deep image classification and deep metric learning (on long-tailed data).
Ranked #46 on Long-tail Learning on CIFAR-100-LT (ρ=100)
no code implementations • ECCV 2020 • Zhongdao Wang, Jingwei Zhang, Liang Zheng, Yixuan Liu, Yifan Sun, Ya-Li Li, Shengjin Wang
This paper proposes a self-supervised learning method for the person re-identification (re-ID) problem, where existing unsupervised methods usually rely on pseudo labels, such as those from video tracklets or clustering.
no code implementations • 20 Jun 2020 • Yifan Sun, Xihong Wu
The proposed approach works in an analysis-by-synthesis manner to learn an inference network by iteratively sampling and training.
no code implementations • CVPR 2020 • Jialun Liu, Yifan Sun, Chuchu Han, Zhaopeng Dou, Wenhui Li
If a sample belongs to a tail class, the corresponding feature cloud will have relatively large distribution range, in compensation to its lack of diversity.
14 code implementations • CVPR 2020 • Yifan Sun, Changmao Cheng, Yuhan Zhang, Chi Zhang, Liang Zheng, Zhongdao Wang, Yichen Wei
This paper provides a pair similarity optimization viewpoint on deep feature learning, aiming to maximize the within-class similarity $s_p$ and minimize the between-class similarity $s_n$.
Ranked #1 on Face Verification on IJB-C (training dataset metric)
no code implementations • 22 Feb 2020 • Yifan Sun, Francis Bach
The conditional gradient method (CGM) has been widely used for fast sparse approximation, having a low per iteration computational cost for structured sparse regularizers.
no code implementations • ICCV 2019 • Ruihang Chu, Yifan Sun, Yadong Li, Zheng Liu, Chi Zhang, Yichen Wei
This paper considers vehicle re-identification (re-ID) problem.
no code implementations • ICCV 2019 • Yifan Sun, Jiacheng Zhuo, Arnav Mohan, Qixing Huang
In this paper, we introduce the problem of K-best transformation synchronization for the purpose of multiple scan matching.
no code implementations • 8 Aug 2019 • Yifan Sun, Linan Zhang, Hayden Schaeffer
We propose a neural network based approach for extracting models from dynamic data using ordinary and partial differential equations.
Ranked #11 on Image Classification on Fashion-MNIST
no code implementations • NeurIPS 2019 • Yifan Sun, Yaqi Duan, Hao Gong, Mengdi Wang
This paper studies how to find compact state embeddings from high-dimensional Markov state trajectories, where the transition kernel has a small intrinsic rank.
1 code implementation • CVPR 2019 • Yifan Sun, Qin Xu, Ya-Li Li, Chi Zhang, Yikang Li, Shengjin Wang, Jian Sun
The visibility awareness allows VPM to extract region-level features and compare two images with focus on their shared regions (which are visible on both images).
Ranked #12 on Person Re-Identification on Market-1501-C
no code implementations • ECCV 2018 • Yifan Sun, Zhenxiao Liang, Xiangru Huang, Qi-Xing Huang
Most existing techniques in map computation (e. g., in the form of feature or dense correspondences) assume that the underlying map between an object pair is unique.
no code implementations • 14 Mar 2018 • Can Karakus, Yifan Sun, Suhas Diggavi, Wotao Yin
Performance of distributed optimization and learning systems is bottlenecked by "straggler" nodes and slow communication links, which significantly delay computation.
no code implementations • CVPR 2018 • Wenqi Wang, Yifan Sun, Brian Eriksson, Wenlin Wang, Vaneet Aggarwal
Deep neural networks have demonstrated state-of-the-art performance in a variety of real-world applications.
1 code implementation • 21 Dec 2017 • Dejiao Zhang, Yifan Sun, Brian Eriksson, Laura Balzano
Unsupervised clustering is one of the most fundamental challenges in machine learning.
29 code implementations • ECCV 2018 • Yifan Sun, Liang Zheng, Yi Yang, Qi Tian, Shengjin Wang
RPP re-assigns these outliers to the parts they are closest to, resulting in refined parts with enhanced within-part consistency.
Ranked #3 on Person Re-Identification on UAV-Human
no code implementations • NeurIPS 2017 • Can Karakus, Yifan Sun, Suhas Diggavi, Wotao Yin
Slow running or straggler tasks can significantly reduce computation speed in distributed computation.
2 code implementations • 6 Jul 2017 • Yifan Sun, Nikhil Rao, Weicong Ding
Evaluating these methods is also problematic, as rigorous quantitative evaluations in this space is limited, especially when compared with single-sense embeddings.
no code implementations • ICCV 2017 • Yifan Sun, Liang Zheng, Weijian Deng, Shengjin Wang
This paper proposes the SVDNet for retrieval problems, with focus on the application of person re-identification (re-ID).
Ranked #14 on Person Re-Identification on CUHK03 detected
2 code implementations • 2 Mar 2017 • Zijun Yao, Yifan Sun, Weicong Ding, Nikhil Rao, Hui Xiong
Word evolution refers to the changing meanings and associations of words throughout time, as a byproduct of human language evolution.
1 code implementation • 18 Jun 2012 • Florent Krzakala, Marc Mézard, François Sausset, Yifan Sun, Lenka Zdeborová
We further develop the asymptotic analysis of the corresponding phase diagrams with and without measurement noise, for different distribution of signals, and discuss the best possible reconstruction performances regardless of the algorithm.
Statistical Mechanics Information Theory Information Theory
1 code implementation • 20 Sep 2011 • Florent Krzakala, Marc Mézard, François Sausset, Yifan Sun, Lenka Zdeborová
Compressed sensing is triggering a major evolution in signal acquisition.
Statistical Mechanics Information Theory Information Theory