no code implementations • ECCV 2020 • Lijun Wang, Jianming Zhang, Yifan Wang, Huchuan Lu, Xiang Ruan
This paper proposes a hierarchical loss for monocular depth estimation, which measures the differences between the prediction and ground truth in hierarchical embedding spaces of depth maps.
1 code implementation • NAACL 2022 • Yongwei Zhou, Junwei Bao, Chaoqun Duan, Haipeng Sun, Jiahui Liang, Yifan Wang, Jing Zhao, Youzheng Wu, Xiaodong He, Tiejun Zhao
To inherit the advantages of these two types of methods, we propose OPERA, an operation-pivoted discrete reasoning framework, where lightweight symbolic operations (compared with logical forms) as neural modules are utilized to facilitate the reasoning ability and interpretability.
1 code implementation • 6 Feb 2023 • Yifan Wang, Daisy Zhe Wang
In this paper, we propose LAF, a generic learned accelerator framework to speed up the original DBSCAN and the sampling-based variants of DBSCAN on high-dimensional data with angular distance metric.
1 code implementation • 10 Jan 2023 • Megan Dare, Valentina Fajardo Diaz, Averie Ho Zoen So, Yifan Wang, Shibingfeng Zhang
Advancements in unsupervised machine translation have enabled the development of machine translation systems that can translate between languages for which there is not an abundance of parallel data available.
no code implementations • 8 Jan 2023 • Mariam Bangura, Kristina Barabashova, Anna Karnysheva, Sarah Semczuk, Yifan Wang
The input for the neural model comprises two datasets: the German Drama Corpus (GerDraCor) and German Text Archive (Deutsches Textarchiv or DTA).
1 code implementation • 17 Dec 2022 • Yifan Wang, Zewei Sun, Shanbo Cheng, Weiguo Zheng, Mingxuan Wang
First, we re-visit this task and propose a multiway stylized machine translation (MSMT) benchmark, which includes multiple categories of styles in four language directions to push the boundary of this task.
no code implementations • 16 Nov 2022 • Khashayar Gatmiry, Thomas Kesselheim, Sahil Singla, Yifan Wang
The goal is to minimize the regret, which is the difference over $T$ rounds in the total value of the optimal algorithm that knows the distributions vs. the total value of our algorithm that learns the distributions from the partial feedback.
1 code implementation • 29 Oct 2022 • Yifang Qin, Yifan Wang, Fang Sun, Wei Ju, Xuyang Hou, Zhe Wang, Jia Cheng, Jun Lei, Ming Zhang
Point-of-Interest (POI) recommendation plays a vital role in various location-aware services.
no code implementations • 22 Oct 2022 • Junwei Bao, Yifan Wang, Jiangyong Ying, Yeyun Gong, Jing Zhao, Youzheng Wu, Xiaodong He
Conventional autoregressive left-to-right (L2R) sequence generation faces two issues during decoding: limited to unidirectional target sequence modeling, and constrained on strong local dependencies.
1 code implementation • 8 Oct 2022 • Wei Ju, Yifang Qin, Ziyue Qiao, Xiao Luo, Yifan Wang, Yanjie Fu, Ming Zhang
To tackle the above issues, we propose a Kernel-Based Graph Neural Network (KBGNN) for next POI recommendation, which combines the characteristics of both geographical and sequential influences in a collaborative way.
no code implementations • 25 Sep 2022 • Yifan Wang, Zhanxuan Mei, Ioannis Katsavounidis, C. -C. Jay Kuo
The fundamental idea of image coding is to remove correlations among pixels before quantization and entropy coding, e. g., the discrete cosine transform (DCT) and intra predictions, adopted by modern image coding standards.
no code implementations • 20 Sep 2022 • Yifan Wang, Siqi Wang, Guangmo Tong
Wireless sensor networks (WSNs) are composed of spatially distributed sensors and are considered vulnerable to attacks by worms and their variants.
1 code implementation • 20 Sep 2022 • Siqi Wang, Yifan Wang, Guangmo Tong
The Euclidean Steiner tree problem seeks the min-cost network to connect a collection of target locations, and it underlies many applications of wireless networks.
no code implementations • 19 Sep 2022 • Yifan Wang, Lin Zhang, Ran Song, Wei zhang
Then, based on the estimation, we propose a novel neighbors searching method in the linear subspace with a $\delta$-filter to estimate the uncertainty score of a target sample and discover unknown samples.
no code implementations • 12 Aug 2022 • Yifan Wang, Wei Fan, Keke Yang, Naji Alhusaini, Jing Li
With knowledge distillation, we can reduce the abnormal characteristics in model result from the label flipping, thus the model can bypass the defenses.
no code implementations • 19 Jul 2022 • Yifan Wang, Lin Zhang, Ran Song, Hongliang Li, Paul L. Rosin, Wei zhang
Specifically, we introduce a knowability-based labeling scheme which can be divided into two steps: 1) Knowability-guided detection of known and unknown samples based on the intrinsic structure of the neighborhoods of samples, where we leverage the first singular vectors of the affinity matrices to obtain the knowability of every target sample.
no code implementations • 18 Jul 2022 • Albert Lu, Jordan Marshall, Yifan Wang, Ming Xiao, Yuhao Zhang, Hiu Yung Wong
In this paper, two methodologies are used to speed up the maximization of the breakdown volt-age (BV) of a vertical GaN diode that has a theoretical maximum BV of ~2100V.
no code implementations • 8 Jun 2022 • Yifan Wang, Weizhi Ma, Min Zhang, Yiqun Liu, Shaoping Ma
First, we summarize fairness definitions in the recommendation and provide several views to classify fairness issues.
1 code implementation • 8 May 2022 • Yifan Wang, Guangmo Tong
Modeling the spread of social contagions is central to various applications in social computing.
1 code implementation • NAACL 2022 • Yifan Wang, Jing Zhao, Junwei Bao, Chaoqun Duan, Youzheng Wu, Xiaodong He
Dialogue state tracking (DST) aims to predict the current dialogue state given the dialogue history.
no code implementations • 2 May 2022 • Yifan Wang, Haodi Ma, Daisy Zhe Wang
As the basic unit of LIDER to index and search data, a core model includes an adapted recursive model index (RMI) and a dimension reduction component which consists of an extended SortingKeys-LSH (SK-LSH) and a key re-scaling module.
no code implementations • 29 Apr 2022 • Yongwei Zhou, Junwei Bao, Chaoqun Duan, Haipeng Sun, Jiahui Liang, Yifan Wang, Jing Zhao, Youzheng Wu, Xiaodong He, Tiejun Zhao
To inherit the advantages of these two types of methods, we propose OPERA, an operation-pivoted discrete reasoning framework, where lightweight symbolic operations (compared with logical forms) as neural modules are utilized to facilitate the reasoning ability and interpretability.
no code implementations • 17 Apr 2022 • Yifan Wang
Embedding techniques work by representing the raw data objects as vectors (so called "embeddings" or "neural embeddings" since they are mostly generated by neural network models) that expose the hidden semantics of the raw data, based on which embeddings do show outstanding effectiveness on capturing data similarities, making it one of the most widely used and studied techniques in the state-of-the-art similarity query processing research.
no code implementations • 7 Apr 2022 • Yifan Wang, Aleksander Holynski, Xiuming Zhang, Xuaner Zhang
Our method only requires the user to capture a selfie video outdoors, rotating in place, and uses the varying angles between the sun and the face as guidance in joint reconstruction of facial geometry, reflectance, camera pose, and lighting parameters.
1 code implementation • ACL 2022 • Jing Zhao, Yifan Wang, Junwei Bao, Youzheng Wu, Xiaodong He
To confront this, we propose FCA, a fine- and coarse-granularity hybrid self-attention that reduces the computation cost through progressively shortening the computational sequence length in self-attention.
2 code implementations • CVPR 2022 • Xiuwei Xu, Yifan Wang, Yu Zheng, Yongming Rao, Jie zhou, Jiwen Lu
In this paper, we propose a weakly-supervised approach for 3D object detection, which makes it possible to train a strong 3D detector with position-level annotations (i. e. annotations of object centers).
no code implementations • 9 Mar 2022 • Sen Jia, Yifan Wang
However, CNN-based methods are difficult to capture long-range dependencies, and also require a large amount of labeled data for model training. Besides, most of the self-supervised training methods in the field of HSI classification are based on the reconstruction of input samples, and it is difficult to achieve effective use of unlabeled samples.
no code implementations • 18 Jan 2022 • Kunhao Yuan, Gerald Schaefer, Yu-Kun Lai, Yifan Wang, Xiyao Liu, Lin Guan, Hui Fang
Weakly supervised semantic segmentation (WSSS) has gained significant popularity since it relies only on weak labels such as image level annotations rather than pixel level annotations required by supervised semantic segmentation (SSS) methods.
Contrastive Learning
Weakly supervised Semantic Segmentation
+1
no code implementations • CVPR 2022 • Yifan Wang, Wenbo Zhang, Lijun Wang, Ting Liu, Huchuan Lu
We design an Uncertainty Mining Network (UMNet) which consists of multiple Merge-and-Split (MS) modules to recursively analyze the commonality and difference among multiple noisy labels and infer pixel-wise uncertainty map for each label.
1 code implementation • 10 Nov 2021 • Ayush Tewari, Justus Thies, Ben Mildenhall, Pratul Srinivasan, Edgar Tretschk, Yifan Wang, Christoph Lassner, Vincent Sitzmann, Ricardo Martin-Brualla, Stephen Lombardi, Tomas Simon, Christian Theobalt, Matthias Niessner, Jonathan T. Barron, Gordon Wetzstein, Michael Zollhoefer, Vladislav Golyanik
The reconstruction of such a scene representation from observations using differentiable rendering losses is known as inverse graphics or inverse rendering.
1 code implementation • Findings (EMNLP) 2021 • Jing Zhao, Junwei Bao, Yifan Wang, Yongwei Zhou, Youzheng Wu, Xiaodong He, BoWen Zhou
To address this problem, we propose RoR, a read-over-read method, which expands the reading field from chunk to document.
1 code implementation • 18 Aug 2021 • Jiahui Liang, Junwei Bao, Yifan Wang, Youzheng Wu, Xiaodong He, BoWen Zhou
To address the problem, we propose CUSTOM, aspect-oriented product summarization for e-commerce, which generates diverse and controllable summaries towards different product aspects.
1 code implementation • 21 Jun 2021 • Yifan Wang, Suyao Tang, Yuntong Lei, Weiping Song, Sheng Wang, Ming Zhang
In this paper, we propose a novel disentangled heterogeneous graph attention network DisenHAN for top-$N$ recommendation, which learns disentangled user/item representations from different aspects in a heterogeneous information network.
1 code implementation • NAACL 2021 • Jing Zhao, Junwei Bao, Yifan Wang, Youzheng Wu, Xiaodong He, BoWen Zhou
Keyphrases, that concisely summarize the high-level topics discussed in a document, can be categorized into present keyphrase which explicitly appears in the source text, and absent keyphrase which does not match any contiguous subsequence but is highly semantically related to the source.
no code implementations • 30 Mar 2021 • Yifan Wang, Linjie Luo, Xiaohui Shen, Xing Mei
Recently, significant progress has been made in single-view depth estimation thanks to increasingly large and diverse depth datasets.
no code implementations • CVPR 2021 • Yifan Wang, Andrew Liu, Richard Tucker, Jiajun Wu, Brian L. Curless, Steven M. Seitz, Noah Snavely
We present a framework for automatically reconfiguring images of street scenes by populating, depopulating, or repopulating them with objects such as pedestrians or vehicles.
no code implementations • 29 Jan 2021 • Yifan Wang
We derive the anomaly multiplet relations that express the defect $a$- and $c$-anomalies in terms of the defect (mixed) 't Hooft anomalies for this $U(1)_R$ symmetry.
High Energy Physics - Theory
no code implementations • ICCV 2021 • Lijun Wang, Yifan Wang, Linzhao Wang, Yunlong Zhan, Ying Wang, Huchuan Lu
The integration of SAG loss and two-stream network enables more consistent scale inference and more accurate relative depth estimation.
no code implementations • 31 Dec 2020 • Ryan Thorngren, Yifan Wang
We then recast the problem in terms of symmetry defects and find the same conclusions for anomalies of discrete and orientation-reversing global symmetries, up to the conjecture that global gravitational anomalies, which may not be associated with any diffeomorphism symmetry, also forbid the existence of boundary conditions.
High Energy Physics - Theory Strongly Correlated Electrons
no code implementations • 11 Dec 2020 • Yifan Wang
The $b$-theorem states that $b$ must monotonically decrease under defect RG flows and was proven by coupling to a spurious defect dilaton.
High Energy Physics - Theory
no code implementations • 23 Nov 2020 • Mozhdeh Rouhsedaghat, Yifan Wang, Shuowen Hu, Suya You, C. -C. Jay Kuo
A non-parametric low-resolution face recognition model for resource-constrained environments with limited networking and computing is proposed in this work.
no code implementations • 14 Sep 2020 • Yifan Wang, Guoli Yan, Haikuan Zhu, Sagar Buch, Ying Wang, Ewart Mark Haacke, Jing Hua, Zichun Zhong
A multi-stream convolutional neural network is proposed to learn the 3D volume and 2D MIP features respectively and then explore their inter-dependencies in a joint volume-composition embedding space by unprojecting the MIP features into 3D volume embedding space.
no code implementations • 18 Jul 2020 • Mozhdeh Rouhsedaghat, Yifan Wang, Xiou Ge, Shuowen Hu, Suya You, C. -C. Jay Kuo
For gray-scale face images of resolution $32 \times 32$ in the LFW and the CMU Multi-PIE datasets, FaceHop achieves correct gender classification rates of 94. 63% and 95. 12% with model sizes of 16. 9K and 17. 6K parameters, respectively.
no code implementations • ECCV 2020 • Yifan Wang, Brian Curless, Steve Seitz
By analyzing the motion of people and other objects in a scene, we demonstrate how to infer depth, occlusion, lighting, and shadow information from video taken from a single camera viewpoint.
1 code implementation • CVPR 2018 • Kun Huang, Yifan Wang, Zihan Zhou, Tianjiao Ding, Shenghua Gao, Yi Ma
To this end, we have built a very large new dataset of over 5, 000 images with wireframes thoroughly labelled by humans.
no code implementations • 27 May 2020 • Sha Yuan, Zhou Shao, Yu Zhang, Xingxing Wei, Tong Xiao, Yifan Wang, Jie Tang
In the progress of science, the previously discovered knowledge principally inspires new scientific ideas, and citation is a reasonably good reflection of this cumulative nature of scientific research.
2 code implementations • 9 Feb 2020 • Min Zhang, Yifan Wang, Pranav Kadam, Shan Liu, C. -C. Jay Kuo
The PointHop method was recently proposed by Zhang et al. for 3D point cloud classification with unsupervised feature extraction.
no code implementations • 5 Jun 2019 • Xingzhou Zhang, Yifan Wang, Sidi Lu, Liangkai Liu, Lanyu Xu, Weisong Shi
At the same time, we have witnessed the proliferation of AI algorithms and models which accelerate the successful deployment of intelligence mainly in cloud services.
no code implementations • 5 Jun 2019 • Xingzhou Zhang, Yifan Wang, Weisong Shi
However, little research has been done to evaluate these packages on the edges, making it difficult for end users to select an appropriate pair of software and hardware.
2 code implementations • 25 Feb 2019 • Weiping Song, Zhiping Xiao, Yifan Wang, Laurent Charlin, Ming Zhang, Jian Tang
However, recommendation in online communities is a challenging problem: 1) users' interests are dynamic, and 2) users are influenced by their friends.
Ranked #1 on
Recommendation Systems
on Douban
(NDCG metric)
no code implementations • 24 Dec 2018 • Zhihui Zhu, Yifan Wang, Daniel P. Robinson, Daniel Q. Naiman, Rene Vidal, Manolis C. Tsakiris
However, its geometric analysis is based on quantities that are difficult to interpret and are not amenable to statistical analysis.
no code implementations • NeurIPS 2018 • Zhihui Zhu, Yifan Wang, Daniel Robinson, Daniel Naiman, Rene Vidal, Manolis Tsakiris
However, its geometric analysis is based on quantities that are difficult to interpret and are not amenable to statistical analysis.
no code implementations • 6 Nov 2018 • Sha Yuan, Jie Tang, Yu Zhang, Yifan Wang, Tong Xiao
The rapid evolution of scientific research has been creating a huge volume of publications every year.
Digital Libraries Physics and Society
no code implementations • 15 Oct 2018 • Yifan Wang, Shaoshan Liu, Xiaopei Wu, Weisong Shi
Meanwhile, several pioneer efforts have focused on the edge computing system and architecture design for the CAVs scenario and provided various heterogeneous platform prototypes for CAVs.
Distributed, Parallel, and Cluster Computing Performance
6 code implementations • 9 Apr 2018 • Yifan Wang, Federico Perazzi, Brian McWilliams, Alexander Sorkine-Hornung, Olga Sorkine-Hornung, Christopher Schroers
Recent deep learning approaches to single image super-resolution have achieved impressive results in terms of traditional error measures and perceptual quality.
Ranked #13 on
Image Super-Resolution
on BSD100 - 4x upscaling
no code implementations • NeurIPS 2017 • Honglei Zhuang, Chi Wang, Yifan Wang
Outlier detection is a powerful method to narrow down the attention to a few objects after the data for them are collected.
no code implementations • NeurIPS 2017 • Jiajun Wu, Yifan Wang, Tianfan Xue, Xingyuan Sun, William T. Freeman, Joshua B. Tenenbaum
First, compared to full 3D shape, 2. 5D sketches are much easier to be recovered from a 2D image; models that recover 2. 5D sketches are also more likely to transfer from synthetic to real data.
Ranked #2 on
3D Shape Classification
on Pix3D
3D Object Reconstruction From A Single Image
3D Reconstruction
+2
no code implementations • CVPR 2017 • Lijun Wang, Huchuan Lu, Yifan Wang, Mengyang Feng, Dong Wang, Bao-Cai Yin, Xiang Ruan
In the second stage, FIN is fine-tuned with its predicted saliency maps as ground truth.
no code implementations • 17 Oct 2016 • Ying-Hsuan Lin, Shu-Heng Shao, Yifan Wang, Xi Yin
We find a simple relation between two-dimensional BPS N=2 superconformal blocks and bosonic Virasoro conformal blocks, which allows us to analyze the crossing equations for BPS 4-point functions in unitary (2, 2) superconformal theories numerically with semidefinite programming.
High Energy Physics - Theory
no code implementations • 26 Jul 2016 • Yifan Wang, Lijun Wang, Hongyu Wang, Peihua Li
In this paper, we seek an alternative and propose a new image SR method, which jointly learns the feature extraction, upsampling and HR reconstruction modules, yielding a completely end-to-end trainable deep CNN.