no code implementations • ECCV 2020 • Jiadong Liang, Wenjie Pei, Feng Lu
Typical methods for text-to-image synthesis seek to design effective generative architecture to model the text-to-image mapping directly.
no code implementations • 9 Sep 2024 • Jinwei He, Feng Lu
Inspired by hypothesis and verification method and identification of irrelevant information in human thinking process, we propose a new framework for LLMs abductive logical reasoning called CauseJudger (CJ), which identifies the authenticity of possible cause by transforming thinking from reverse to forward and removing irrelevant information.
no code implementations • 12 Jun 2024 • Jiadong Liang, Feng Lu
In the second step, these relocated landmarks are mapped to latent key points using self-supervised learning and then input into a pretrained model to create high-quality face images.
no code implementations • 30 May 2024 • Shaohua Wang, Xing Xie, Yong Li, Danhuai Guo, Zhi Cai, Yu Liu, Yang Yue, Xiao Pan, Feng Lu, Huayi Wu, Zhipeng Gui, Zhiming Ding, Bolong Zheng, Fuzheng Zhang, Jingyuan Wang, Zhengchao Chen, Hao Lu, Jiayi Li, Peng Yue, Wenhao Yu, Yao Yao, Leilei Sun, Yong Zhang, Longbiao Chen, Xiaoping Du, Xiang Li, Xueying Zhang, Kun Qin, Zhaoya Gong, Weihua Dong, Xiaofeng Meng
This report focuses on spatial data intelligent large models, delving into the principles, methods, and cutting-edge applications of these models.
2 code implementations • 25 Mar 2024 • Zicong Fan, Takehiko Ohkawa, Linlin Yang, Nie Lin, Zhishan Zhou, Shihao Zhou, Jiajun Liang, Zhong Gao, Xuanyang Zhang, Xue Zhang, Fei Li, Zheng Liu, Feng Lu, Karim Abou Zeid, Bastian Leibe, Jeongwan On, Seungryul Baek, Aditya Prakash, Saurabh Gupta, Kun He, Yoichi Sato, Otmar Hilliges, Hyung Jin Chang, Angela Yao
A holistic 3Dunderstanding of such interactions from egocentric views is important for tasks in robotics, AR/VR, action recognition and motion generation.
1 code implementation • CVPR 2024 • Feng Lu, Xiangyuan Lan, Lijun Zhang, Dongmei Jiang, YaoWei Wang, Chun Yuan
Over the past decade, most methods in visual place recognition (VPR) have used neural networks to produce feature representations.
1 code implementation • 25 Feb 2024 • Feng Lu, Shuting Dong, Lijun Zhang, Bingxi Liu, Xiangyuan Lan, Dongmei Jiang, Chun Yuan
Moreover, we design a re-projection error of inliers loss to train the DHE network without additional homography labels, which can also be jointly trained with the backbone network to help it extract the features that are more suitable for local matching.
1 code implementation • 22 Feb 2024 • Feng Lu, Lijun Zhang, Xiangyuan Lan, Shuting Dong, YaoWei Wang, Chun Yuan
Experimental results show that our method outperforms the state-of-the-art methods with less training data and training time, and uses about only 3% retrieval runtime of the two-stage VPR methods with RANSAC-based spatial verification.
Ranked #2 on Visual Place Recognition on Pittsburgh-250k-test
no code implementations • CVPR 2024 • Yiwei Bao, Feng Lu
In this paper we propose Analytical Gaze Generalization framework (AGG) to improve the generalization ability of gaze estimation models without touching target domain data.
no code implementations • CVPR 2024 • Yiwei Bao, Feng Lu
Annotating gaze is an expensive and time-consuming endeavor requiring costly eye-trackers or complex geometric calibration procedures.
1 code implementation • 25 Dec 2023 • Ruicong Liu, Feng Lu
To address these challenges, we propose a novel 1-view-to-2-views (1-to-2 views) adaptation solution in this paper, the Unsupervised 1-to-2 Views Adaptation framework for Gaze estimation (UVAGaze).
no code implementations • 15 Dec 2023 • Feng Lu, Wei Li, Yifei Sun, Cheng Song, Yufei Ren, Albert Y. Zomaya
Artificial intelligence (AI) has immense potential in time series prediction, but most explainable tools have limited capabilities in providing a systematic understanding of important features over time.
1 code implementation • 8 Oct 2023 • Feng Lu, Lijun Zhang, Shuting Dong, Baifan Chen, Chun Yuan
Here we propose a Dynamically Aligning Local Features (DALF) algorithm to align the local features under spatial constraints.
no code implementations • 5 Sep 2023 • Yiwei Bao, Feng Lu
Although recent deep learning based gaze estimation approaches have achieved much improvement, we still know little about how gaze features are connected to the physics of gaze.
1 code implementation • ICCV 2023 • Yihua Cheng, Feng Lu
We further propose a dual-view transformer to estimate gaze from dual-view features.
no code implementations • 17 Aug 2023 • Zhiming Wang, Lin Gu, Feng Lu
Our method also achieves an accuracy of 74. 84% on the task of recognizing low-resolution facial expressions, surpassing the current state-of-the-art FMD by 9. 48%.
no code implementations • 1 Aug 2023 • Chaoqun Zhuang, Yunfei Liu, Sijia Wen, Feng Lu
The simulation is designed for generating the dataset with ground-truths by the proposed low-light hazy imaging model.
no code implementations • 1 Apr 2023 • Bingxi Liu, Yujie Fu, Feng Lu, Jinqiang Cui, Yihong Wu, Hong Zhang
Then we used this model to process existing large-scale VPR datasets to generate the VPR-Night datasets and demonstrated how to combine them with two popular VPR pipelines.
no code implementations • 5 Oct 2022 • Ruicong Liu, Yiwei Bao, Mingjie Xu, Haofei Wang, Yunfei Liu, Feng Lu
We evaluate the proposed method on four cross-domain gaze estimation tasks, and experimental results demonstrate that it significantly reduces the gaze jitter and improves the gaze estimation performance in target domains.
no code implementations • 25 Sep 2022 • Zongji Wang, Yunfei Liu, Feng Lu
Intrinsic image decomposition is an important and long-standing computer vision problem.
no code implementations • 12 Aug 2022 • Jiadong Liang, Wenjie Pei, Feng Lu
Specifically, we formulate the text-to-layout generation as a sequence-to-sequence modeling task, and build our model upon Transformer to learn the spatial relationships between objects by modeling the sequential dependencies between them.
no code implementations • 6 Jul 2022 • Zhimin Wang, Yuxin Zhao, Feng Lu
This is because when we want to see through something, it is physically related to our gaze depth/vergence and thus should be naturally controlled by the eyes.
no code implementations • CVPR 2022 • Mingfang Zhang, Yunfei Liu, Feng Lu
In this paper, we propose the first one-stage end-to-end gaze estimation method, GazeOnce, which is capable of simultaneously predicting gaze directions for multiple faces (>10) in an image.
no code implementations • CVPR 2022 • Yiwei Bao, Yunfei Liu, Haofei Wang, Feng Lu
Consequently, we propose the Rotation-enhanced Unsupervised Domain Adaptation (RUDA) for gaze estimation.
no code implementations • 21 Dec 2021 • Zongji Wang, Yunfei Liu, Feng Lu
In the area of 3D shape analysis, the geometric properties of a shape have long been studied.
1 code implementation • 27 Oct 2021 • Yunfei Liu, Haofei Wang, Yang Yue, Feng Lu
Unsupervised image-to-image translation aims to learn the mapping between two visual domains with unpaired samples.
1 code implementation • ICCV 2021 • Yunfei Liu, Ruicong Liu, Haofei Wang, Feng Lu
Deep neural networks have significantly improved appearance-based gaze estimation accuracy.
no code implementations • 28 Jul 2021 • Ze Yang, Haofei Wang, Feng Lu
We evaluate the performance of three deep learning-based methods (Deepphys, rPPGNet, and Physnet) to that of four traditional methods (CHROM, GREEN, ICA, and POS) using two public datasets: the UBFC-rPPG dataset and the BH-rPPG dataset.
1 code implementation • 1 Jul 2021 • Yuhao Niu, Lin Gu, Yitian Zhao, Feng Lu
Though deep learning has shown successful performance in classifying the label and severity stage of certain diseases, most of them give few explanations on how to make predictions.
1 code implementation • 30 May 2021 • Yihua Cheng, Feng Lu
In this paper, we employ transformers and assess their effectiveness for gaze estimation.
7 code implementations • 26 Apr 2021 • Yihua Cheng, Haofei Wang, Yiwei Bao, Feng Lu
This paper serves not only as a reference to develop deep learning-based gaze estimation methods, but also a guideline for future gaze estimation research.
1 code implementation • 25 Mar 2021 • Feng Lu, Baifan Chen, Xiang-Dong Zhou, Dezhen Song
Here we split the holistic mid-layer features into local features, and propose an adaptive dynamic time warping (DTW) algorithm to align local features from the spatial domain while measuring the distance between two images.
1 code implementation • 24 Mar 2021 • Yihua Cheng, Yiwei Bao, Feng Lu
Different from common domain adaption methods, we propose a domain generalization method to improve the cross-domain performance without touching target samples.
no code implementations • 24 Mar 2021 • Mingjie Xu, Haofei Wang, Yunfei Liu, Feng Lu
However, many deep learning-based methods suffer from the vulnerability property, i. e., perturbing the raw image using noise confuses the gaze estimation models.
1 code implementation • 22 Mar 2021 • Sijia Wen, Yingqiang Zheng, Feng Lu
Based on the analysis of polarization, we propose a polarization guided model to generate a polarization chromaticity image, which is able to reveal the geometrical profile of the input image in complex scenarios, such as diversity of illumination.
no code implementations • 22 Mar 2021 • Yunfei Liu, Chaoqun Zhuang, Feng Lu
Anomaly detection from a single image is challenging since anomaly data is always rare and can be with highly unpredictable types.
Ranked #21 on Anomaly Detection on One-class CIFAR-10
no code implementations • 20 Mar 2021 • Yiwei Bao, Yihua Cheng, Yunfei Liu, Feng Lu
Meanwhile, we also propose Adaptive Group Normalization to recalibrate eye features with the guidance of facial feature.
no code implementations • 10 Jan 2021 • Maohan Liang, Ryan Wen Liu, Shichen Li, Zhe Xiao, Xin Liu, Feng Lu
Based on the massive vessel trajectories collected, the CAE can learn the low-dimensional representations of informative trajectory images in an unsupervised manner.
3 code implementations • ECCV 2020 • Yunfei Liu, Xingjun Ma, James Bailey, Feng Lu
A backdoor attack installs a backdoor into the victim model by injecting a backdoor pattern into a small proportion of the training data.
no code implementations • 31 May 2020 • Feifan Lv, Bo Liu, Feng Lu
This paper proposes a new light-weight convolutional neural network (5k parameters) for non-uniform illumination image enhancement to handle color, exposure, contrast, noise and artifacts, etc., simultaneously and effectively.
no code implementations • 10 May 2020 • Feifan Lv, Yinqiang Zheng, Yicheng Li, Feng Lu
The current industry practice for 24-hour outdoor imaging is to use a silicon camera supplemented with near-infrared (NIR) illumination.
no code implementations • 21 Apr 2020 • Feng Lu, Anca Dumitrache, David Graus
In our first study we explore how our news recommender steers reading behavior in the context of editorial values such as serendipity, dynamism, diversity, and coverage.
no code implementations • 1 Jan 2020 • Yihua Cheng, Shiyao Huang, Fei Wang, Chen Qian, Feng Lu
Human gaze is essential for various appealing applications.
1 code implementation • 18 Dec 2019 • Jiadong Liang, Wenjie Pei, Feng Lu
Typical methods for text-to-image synthesis seek to design effective generative architecture to model the text-to-image mapping directly.
no code implementations • 16 Dec 2019 • Sijia Wen, Yinqiang Zheng, Feng Lu
Instead of mechanically demosaicing for the multi-channel polarized color image, we further present a sparse representation-based optimization strategy that utilizes chromatic information and polarimetric information to jointly optimize the model.
2 code implementations • CVPR 2020 • Yunfei Liu, Yu Li, ShaoDi You, Feng Lu
Intrinsic image decomposition, which is an essential task in computer vision, aims to infer the reflectance and shading of the scene.
no code implementations • 17 Nov 2019 • Haiyang Si, Zhiqiang Zhang, Feifan Lv, Gang Yu, Feng Lu
Specifically, it achieves 77. 1% Mean IOU on the Cityscapes test dataset with the speed of 41 FPS for a 1024*2048 input, and 75. 4% Mean IOU with the speed of 91 FPS on the Camvid test dataset.
3 code implementations • 2 Aug 2019 • Feifan Lv, Yu Li, Feng Lu
Low-light image enhancement is challenging in that it needs to consider not only brightness recovery but also complex issues like color distortion and noise, which usually hide in the dark.
Ranked #1 on Low-Light Image Enhancement on 3DMatch Benchmark (using extra training data)
1 code implementation • 27 Jul 2019 • Yunfei Liu, Yu Li, ShaoDi You, Feng Lu
Reflection is common in images capturing scenes behind a glass window, which is not only a disturbance visually but also influence the performance of other computer vision algorithms.
no code implementations • 24 Jul 2019 • Shaodi You, Erqi Huang, Shuaizhe Liang, Yongrong Zheng, Yunxiang Li, Fan Wang, Sen Lin, Qiu Shen, Xun Cao, Diming Zhang, Yuanjiang Li, Yu Li, Ying Fu, Boxin Shi, Feng Lu, Yinqiang Zheng, Robby T. Tan
This document introduces the background and the usage of the Hyperspectral City Dataset and the benchmark.
no code implementations • 24 Jul 2019 • Xingjun Ma, Yuhao Niu, Lin Gu, Yisen Wang, Yitian Zhao, James Bailey, Feng Lu
This raises safety concerns about the deployment of these systems in clinical settings.
no code implementations • 3 Jun 2019 • Yunfei Liu, Feng Lu
Many real world vision tasks, such as reflection removal from a transparent surface and intrinsic image decomposition, can be modeled as single image layer separation.
no code implementations • 16 Apr 2019 • Huangyue Yu, Minjie Cai, Yunfei Liu, Feng Lu
However, techniques for analyzing the first-person video can be fundamentally different from those for the third-person video, and it is even more difficult to explore the shared information from both viewpoints.
1 code implementation • 6 Dec 2018 • Yuhao Niu, Lin Gu, Feng Lu, Feifan Lv, Zongji Wang, Imari Sato, Zijian Zhang, Yangyan Xiao, Xunzhang Dai, Tingting Cheng
Inspired by Koch's Postulates, a well-known strategy in medical research to identify the property of pathogen, we define a pathological descriptor that can be extracted from the activated neurons of a diabetic retinopathy detector.
no code implementations • 3 Sep 2018 • Zhixiang Hao, Yu Li, ShaoDi You, Feng Lu
However, depth estimation is a dense prediction problem and low-resolution feature maps usually generate blurred depth map which is undesirable in application.
no code implementations • 1 Sep 2018 • Zongji Wang, Feng Lu
Voxel is an important format to represent geometric data, which has been widely used for 3D deep learning in shape analysis due to its generalization ability and regular data format.
no code implementations • ECCV 2018 • Yihua Cheng, Feng Lu, Xucong Zhang
Inspired by this, we design the multi-stream ARE-Net; one asymmetric regression network (AR-Net) predicts 3D gaze directions for both eyes with a novel asymmetric strategy, and the evaluation network (E-Net) adaptively adjusts the strategy by evaluating the two eyes in terms of their performance during optimization.
no code implementations • CVPR 2018 • Zhipeng Mo, Boxin Shi, Feng Lu, Sai-Kit Yeung, Yasuyuki Matsushita
This paper presents a photometric stereo method that works with unknown natural illuminations without any calibration object.
no code implementations • ICCV 2017 • Xiaowu Chen, Anlin Zheng, Jia Li, Feng Lu
Toward this end, this paper proposes two-stream fixation-semantic CNNs, whose architecture is inspired by the fact that salient objects in complex images can be unambiguously annotated by selecting the pre-segmented semantic objects that receive the highest fixation density in eye-tracking experiments.
no code implementations • CVPR 2015 • Feng Lu, Imari Sato, Yoichi Sato
This sort of symmetry can be observed in a 1D BRDF slice from a subset of surface normals with the same azimuth angle, and we use it to devise an efficient modeling and solution method to constrain and recover the elevation angles of surface normals accurately.
no code implementations • 22 Dec 2014 • Feng Lu, Ziqiang Chen
The implementation details of factorizing the 3x4 projection matrices of linear cameras into their left matrix factors and the 4x4 homogeneous central(also parallel for infinite center cases) projection factors are presented in this work.
no code implementations • 24 Apr 2014 • Feng Lu, Ziqiang Chen
We present algebraic projective geometry definitions of 3D rotations so as to bridge a small gap between the applications and the definitions of 3D rotations in homogeneous matrix form.
no code implementations • CVPR 2013 • Feng Lu, Yasuyuki Matsushita, Imari Sato, Takahiro Okabe, Yoichi Sato
We propose an uncalibrated photometric stereo method that works with general and unknown isotropic reflectances.