1 code implementation • 29 Nov 2023 • Yuqi Wang, JiaWei He, Lue Fan, Hongxin Li, Yuntao Chen, Zhaoxiang Zhang
In autonomous driving, predicting future events in advance and evaluating the foreseeable risks empowers autonomous vehicles to better plan their actions, enhancing safety and efficiency on the road.
no code implementations • 18 Nov 2023 • Zuyao Chen, Jinlin Wu, Zhen Lei, Zhaoxiang Zhang, Changwen Chen
For the more challenging settings of relation-involved open vocabulary SGG, the proposed approach integrates relation-aware pre-training utilizing image-caption data and retains visual-concept alignment through knowledge distillation.
no code implementations • 11 Nov 2023 • Zongzhao Li, Xiangyu Zhu, Xi Zhang, Zhaoxiang Zhang, Zhen Lei
Specifically, our model contains two key components: the Commonsense-based Contrastive Learning and the Graph Relation Network.
1 code implementation • 1 Oct 2023 • Zekun Moore Wang, Zhongyuan Peng, Haoran Que, Jiaheng Liu, Wangchunshu Zhou, Yuhan Wu, Hongcheng Guo, Ruitong Gan, Zehao Ni, Man Zhang, Zhaoxiang Zhang, Wanli Ouyang, Ke Xu, Wenhu Chen, Jie Fu, Junran Peng
The advent of Large Language Models (LLMs) has paved the way for complex tasks such as role-playing, which enhances user interactions by enabling models to imitate various characters.
no code implementations • ICCV 2023 • Yuxi Wang, Jian Liang, Jun Xiao, Shuqi Mei, Yuran Yang, Zhaoxiang Zhang
One-shot domain adaptation methods attempt to overcome these challenges by transferring the pre-trained source model to the target domain using only one target data.
1 code implementation • NeurIPS 2023 • Haochen Wang, Junsong Fan, Yuxi Wang, Kaiyou Song, Tong Wang, Zhaoxiang Zhang
As it is empirically observed that Vision Transformers (ViTs) are quite insensitive to the order of input tokens, the need for an appropriate self-supervised pretext task that enhances the location awareness of ViTs is becoming evident.
1 code implementation • 30 Aug 2023 • Hanqiu Deng, Zhaoxiang Zhang, Jinan Bao, Xingyu Li
On top of the proposed TFA, we further introduce a test-time adaptation (TTA) mechanism to refine anomaly localization results, where a layer of trainable parameters in the adapter is optimized using TFA's pseudo-labels and synthetic noise-corrupted tokens.
2 code implementations • 7 Aug 2023 • Lue Fan, Feng Wang, Naiyan Wang, Zhaoxiang Zhang
Consequently, we develop a suite of components to complement the virtual voxel concept, including a virtual voxel encoder, a virtual voxel mixer, and a virtual voxel assignment strategy.
no code implementations • 2 Aug 2023 • Jingfan Chen, Yuxi Wang, Pengfei Wang, Xiao Chen, Zhaoxiang Zhang, Zhen Lei, Qing Li
The Class Incremental Semantic Segmentation (CISS) extends the traditional segmentation task by incrementally learning newly added classes.
1 code implementation • NeurIPS 2023 • Yang Liu, Feng Wang, Naiyan Wang, Zhaoxiang Zhang
Radar is ubiquitous in autonomous driving systems due to its low cost and good adaptability to bad weather.
1 code implementation • ICCV 2023 • Xiaojun Tang, Junsong Fan, Chuanchen Luo, Zhaoxiang Zhang, Man Zhang, Zongyuan Yang
Considering this phenomenon, we propose Discriminability-Driven Graph Network (DDG-Net), which explicitly models ambiguous snippets and discriminative snippets with well-designed connections, preventing the transmission of ambiguous information and enhancing the discriminability of snippet-level representations.
Weakly-supervised Temporal Action Localization
Weakly Supervised Temporal Action Localization
1 code implementation • 20 Jun 2023 • Jinan Bao, Hanshi Sun, Hanqiu Deng, Yinsheng He, Zhaoxiang Zhang, Xingyu Li
However, there is a lack of a universal and fair benchmark for evaluating AD methods on medical images, which hinders the development of more generalized and robust AD methods in this specific domain.
1 code implementation • 19 Jun 2023 • Zengjie Song, Zhaoxiang Zhang
The framework of visually-guided sound source separation generally consists of three parts: visual feature extraction, multimodal feature fusion, and sound signal processing.
1 code implementation • 16 Jun 2023 • Yuqi Wang, Yuntao Chen, Xingyu Liao, Lue Fan, Zhaoxiang Zhang
In this work, we address this limitation by studying camera-based 3D panoptic segmentation, aiming to achieve a unified occupancy representation for camera-only 3D scene understanding.
no code implementations • 8 Jun 2023 • JiaWei He, Yuqi Wang, Yuntao Chen, Zhaoxiang Zhang
Learning from completely reconstructed objects in global BA, GBA-Learner predicts pseudo labels for occluded objects.
no code implementations • 8 Jun 2023 • JiaWei He, Lue Fan, Yuqi Wang, Yuntao Chen, Zehao Huang, Naiyan Wang, Zhaoxiang Zhang
In this paper, we rethink the data association in 2D MOT and utilize the 3D object representation to separate each object in the feature space.
no code implementations • 4 Jun 2023 • Haochen Wang, Yuchao Wang, Yujun Shen, Junsong Fan, Yuxi Wang, Zhaoxiang Zhang
A common practice is to select the highly confident predictions as the pseudo-ground-truths for each pixel, but it leads to a problem that most pixels may be left unused due to their unreliability.
1 code implementation • 25 May 2023 • Xizhou Zhu, Yuntao Chen, Hao Tian, Chenxin Tao, Weijie Su, Chenyu Yang, Gao Huang, Bin Li, Lewei Lu, Xiaogang Wang, Yu Qiao, Zhaoxiang Zhang, Jifeng Dai
These agents, equipped with the logic and common sense capabilities of LLMs, can skillfully navigate complex, sparse-reward environments with text-based interactions.
no code implementations • 23 May 2023 • Haochen Wang, Yujun Shen, Jingjing Fei, Wei Li, Liwei Wu, Yuxi Wang, Zhaoxiang Zhang
To this end, we propose T2S-DA, which we interpret as a form of pulling Target to Source for Domain Adaptation, encouraging the model in learning similar cross-domain features.
no code implementations • 22 May 2023 • Jinglin Zhan, Tiejun Liu, RenGang Li, Jingwei Zhang, Zhaoxiang Zhang, Yuntao Chen
Data and model are the undoubtable two supporting pillars for LiDAR object detection.
1 code implementation • 24 Apr 2023 • Yingyan Li, Lue Fan, Yang Liu, Zehao Huang, Yuntao Chen, Naiyan Wang, Zhaoxiang Zhang, Tieniu Tan
In this paper, we study how to effectively leverage image modality in the emerging fully sparse architecture.
2 code implementations • ICCV 2023 • Lue Fan, Yuxue Yang, Yiming Mao, Feng Wang, Yuntao Chen, Naiyan Wang, Zhaoxiang Zhang
Drawing inspiration from this, we propose a high-performance offline detector in a track-centric perspective instead of the conventional object-centric perspective.
1 code implementation • CVPR 2023 • Haochen Wang, Kaiyou Song, Junsong Fan, Yuxi Wang, Jin Xie, Zhaoxiang Zhang
We observe that the reconstruction loss can naturally be the metric of the difficulty of the pre-training task.
1 code implementation • CVPR 2023 • JiaWei He, Yuntao Chen, Naiyan Wang, Zhaoxiang Zhang
We explore long-term temporal visual correspondence-based optimization for 3D video object detection in this work.
1 code implementation • 27 Mar 2023 • JiaWei He, Zehao Huang, Naiyan Wang, Zhaoxiang Zhang
For image matching, our method outperforms state-of-the-art methods with half training data and iterations on a popular indoor dataset, ScanNet.
no code implementations • CVPR 2023 • Chang Yu, Xiangyu Zhu, Xiaomei Zhang, Zhaoxiang Zhang, Zhen Lei
The function of constructing the hierarchy of objects is important to the visual process of the human brain.
1 code implementation • CVPR 2023 • Pengfei Wang, Zhaoxiang Zhang, Zhen Lei, Lei Zhang
In this paper, we present two conditions to ensure that the model could converge to a flat minimum with a small loss, and present an algorithm, named Sharpness-Aware Gradient Matching (SAGM), to meet the two conditions for improving model generalization capability.
no code implementations • 16 Mar 2023 • Wenjian Wang, Lijuan Duan, Yuxi Wang, Junsong Fan, Zhi Gong, Zhaoxiang Zhang
Research into Cross-Domain Few-Shot (CDFS) has emerged to address this issue, forming a more challenging and realistic setting.
1 code implementation • CVPR 2023 • Chenyang Lei, Xuanchi Ren, Zhaoxiang Zhang, Qifeng Chen
Prior work usually requires specific guidance such as the flickering frequency, manual annotations, or extra consistent videos to remove the flicker.
1 code implementation • ICCV 2023 • Lin Zhang, Xin Li, Dongliang He, Errui Ding, Zhaoxiang Zhang
To this end, we construct a large-scale, multi-reference super-resolution dataset, named LMR.
no code implementations • CVPR 2023 • Qu Tang, Xiangyu Zhu, Zhen Lei, Zhaoxiang Zhang
The ability to discover abstract physical concepts and understand how they work in the world through observing lies at the core of human intelligence.
no code implementations • 16 Feb 2023 • Xiao Chen, Wenqi Fan, Jingfan Chen, Haochen Liu, Zitao Liu, Zhaoxiang Zhang, Qing Li
Pairwise learning strategies are prevalent for optimizing recommendation models on implicit feedback data, which usually learns user preference by discriminating between positive (i. e., clicked by a user) and negative items (i. e., obtained by negative sampling).
1 code implementation • CVPR 2023 • Yuqi Wang, Yuntao Chen, Zhaoxiang Zhang
The transformation of features from 2D perspective space to 3D space is essential to multi-view 3D object detection.
2 code implementations • 5 Jan 2023 • Lue Fan, Yuxue Yang, Feng Wang, Naiyan Wang, Zhaoxiang Zhang
To enable efficient long-range detection, we first propose a fully sparse object detector termed FSD.
1 code implementation • ICCV 2023 • Liyi Chen, Chenyang Lei, Ruihuang Li, Shuai Li, Zhaoxiang Zhang, Lei Zhang
Without introducing any external supervision and human priors, the proposed FPR effectively suppresses wrong activations from the background objects.
Weakly supervised Semantic Segmentation
Weakly-Supervised Semantic Segmentation
no code implementations • CVPR 2023 • Cong Pan, Yonghao He, Junran Peng, Qian Zhang, Wei Sui, Zhaoxiang Zhang
Moreover, we find that the image feature maps' resolution in the cross-attention module has a limited effect on the final performance.
no code implementations • ICCV 2023 • Jingtao Wang, Zengjie Song, Yuxi Wang, Jun Xiao, Yuran Yang, Shuqi Mei, Zhaoxiang Zhang
Surrogate gradient (SG) is one of the most effective approaches for training spiking neural networks (SNNs).
no code implementations • 30 Nov 2022 • Jianjin Xu, Zhaoxiang Zhang, Xiaolin Hu
Second, we train image-to-image translation networks on the synthesized datasets, enabling semantic-conditional image synthesis without human annotations.
2 code implementations • CVPR 2023 • Chenyu Yang, Yuntao Chen, Hao Tian, Chenxin Tao, Xizhou Zhu, Zhaoxiang Zhang, Gao Huang, Hongyang Li, Yu Qiao, Lewei Lu, Jie zhou, Jifeng Dai
The proposed method is verified with a wide spectrum of traditional and modern image backbones and achieves new SoTA results on the large-scale nuScenes dataset.
Ranked #4 on
3D Object Detection
on Rope3D
no code implementations • 8 Nov 2022 • Lin Zhang, Xin Li, Dongliang He, Fu Li, Yili Wang, Zhaoxiang Zhang
While previous state-of-the-art RefSR methods mainly focus on improving the efficacy and robustness of reference feature transfer, it is generally overlooked that a well reconstructed SR image should enable better SR reconstruction for its similar LR images when it is referred to as.
1 code implementation • 25 Oct 2022 • Junsong Fan, Zhaoxiang Zhang, Tieniu Tan
In this paper, we propose a new approach to applying point-level annotations for weakly-supervised panoptic segmentation.
1 code implementation • 10 Oct 2022 • Yuqi Wang, Yuntao Chen, Zhaoxiang Zhang
In this paper, we propose 4D unsupervised object discovery, jointly discovering objects from 4D data -- 3D point clouds and 2D RGB images with temporal information.
no code implementations • 20 Aug 2022 • Hongxin Li, Xu Yang, Yuran Yang, Shuqi Mei, Zhaoxiang Zhang
To address this limitation, we present the MemoNav, a novel memory mechanism for image-goal navigation, which retains the agent's informative short-term memory and long-term memory to improve the navigation performance on a multi-goal task.
no code implementations • 28 Jul 2022 • Xing Nie, Bolin Ni, Jianlong Chang, Gaomeng Meng, Chunlei Huo, Zhaoxiang Zhang, Shiming Xiang, Qi Tian, Chunhong Pan
To this end, we propose parameter-efficient Prompt tuning (Pro-tuning) to adapt frozen vision models to various downstream vision tasks.
4 code implementations • 20 Jul 2022 • Lue Fan, Feng Wang, Naiyan Wang, Zhaoxiang Zhang
To enable efficient long-range LiDAR-based object detection, we build a fully sparse 3D object detector (FSD).
1 code implementation • 20 Jul 2022 • Yingyan Li, Yuntao Chen, JiaWei He, Zhaoxiang Zhang
So these methods only use a small number of projection constraints and produce insufficient depth candidates, leading to inaccurate depth estimation.
1 code implementation • CVPR 2022 • Xinyu Zhang, Dongdong Li, Zhigang Wang, Jian Wang, Errui Ding, Javen Qinfeng Shi, Zhaoxiang Zhang, Jingdong Wang
Specifically, we generate support samples from actual samples and their neighbouring clusters in the embedding space through a progressive linear interpolation (PLI) strategy.
1 code implementation • CVPR 2022 • Zengjie Song, Yuxi Wang, Junsong Fan, Tieniu Tan, Zhaoxiang Zhang
Sound source localization in visual scenes aims to localize objects emitting the sound in a given image.
2 code implementations • CVPR 2022 • Tianheng Cheng, Xinggang Wang, Shaoyu Chen, Wenqiang Zhang, Qian Zhang, Chang Huang, Zhaoxiang Zhang, Wenyu Liu
In this paper, we propose a conceptually novel, efficient, and fully convolutional framework for real-time instance segmentation.
Ranked #8 on
Real-time Instance Segmentation
on MSCOCO
no code implementations • CVPR 2022 • Chang Yu, Xiangyu Zhu, Xiaomei Zhang, Zidu Wang, Zhaoxiang Zhang, Zhen Lei
Capsule networks are designed to present the objects by a set of parts and their relationships, which provide an insight into the procedure of visual perception.
1 code implementation • CVPR 2022 • Qing Chang, Junran Peng, Lingxie Xie, Jiajun Sun, Haoran Yin, Qi Tian, Zhaoxiang Zhang
However, due to the high training costs and the unconsciousness of downstream usages, most self-supervised learning methods lack the capability to correspond to the diversities of downstream scenarios, as there are various data domains, different vision tasks and latency constraints on models.
2 code implementations • CVPR 2022 • Renjie Zou, Chunfeng Song, Zhaoxiang Zhang
Inspired by recent progresses of Vision Transformer (ViT) and Swin Transformer, we found that combining the local-aware attention mechanism with the global-related feature learning could meet the expectation in image compression.
Ranked #1 on
Image Compression
on kodak
no code implementations • 14 Jan 2022 • Yuqi Wang, Xu-Yao Zhang, Cheng-Lin Liu, Zhaoxiang Zhang
Moreover, through experiments we show that discrete language representation has several advantages compared with continuous feature representation, from the aspects of interpretability, generalization, and robustness.
no code implementations • CVPR 2022 • Jing Li, Junsong Fan, Zhaoxiang Zhang
Existing methods usually generate pseudo labels from class activation map (CAM) and then train a segmentation model.
no code implementations • CVPR 2022 • Wenjian Wang, Lijuan Duan, Yuxi Wang, Qing En, Junsong Fan, Zhaoxiang Zhang
To remedy this problem, we propose an interesting and challenging cross-domain few-shot semantic segmentation task, where the training and test tasks perform on different domains.
1 code implementation • CVPR 2022 • Chenghao Zhang, Kun Tian, Bin Fan, Gaofeng Meng, Zhaoxiang Zhang, Chunhong Pan
The deep stereo models have achieved state-of-the-art performance on driving scenes, but they suffer from severe performance degradation when tested on unseen scenes.
2 code implementations • CVPR 2022 • Lue Fan, Ziqi Pang, Tianyuan Zhang, Yu-Xiong Wang, Hang Zhao, Feng Wang, Naiyan Wang, Zhaoxiang Zhang
In LiDAR-based 3D object detection for autonomous driving, the ratio of the object size to input scene size is significantly smaller compared to 2D detection cases.
Ranked #3 on
3D Object Detection
on waymo cyclist
1 code implementation • 26 Nov 2021 • Qitai Wang, Yuntao Chen, Ziqi Pang, Naiyan Wang, Zhaoxiang Zhang
We employ a simple Kalman filter for trajectory prediction and preserve the tracklet by prediction when the target is not visible.
no code implementations • ICLR 2022 • Qu Tang, Xiangyu Zhu, Zhen Lei, Zhaoxiang Zhang
In this paper, we work on object dynamics and propose Object Dynamics Distillation Network (ODDN), a framework that distillates explicit object dynamics (e. g., velocity) from sequential static representations.
no code implementations • 22 Jun 2021 • Yuxi Wang, Jian Liang, Zhaoxiang Zhang
It is the first work to use negative pseudo labels during self-training for domain adaptation.
1 code implementation • CVPR 2021 • Xingyuan Bu, Junran Peng, Junjie Yan, Tieniu Tan, Zhaoxiang Zhang
Transfer learning with pre-training on large-scale datasets has played an increasingly significant role in computer vision and natural language processing recently.
1 code implementation • 28 Apr 2021 • Manyu Zhu, Dongliang He, Xin Li, Chao Li, Fu Li, Xiao Liu, Errui Ding, Zhaoxiang Zhang
Inpainting arbitrary missing regions is challenging because learning valid features for various masked regions is nontrivial.
Ranked #4 on
Image Inpainting
on CelebA-HQ
1 code implementation • CVPR 2021 • Zikai Zhang, Bineng Zhong, Shengping Zhang, Zhenjun Tang, Xin Liu, Zhaoxiang Zhang
A practical long-term tracker typically contains three key properties, i. e. an efficient model design, an effective global re-detection strategy and a robust distractor awareness mechanism.
1 code implementation • CVPR 2021 • Gang Zhang, Xin Lu, Jingru Tan, Jianmin Li, Zhaoxiang Zhang, Quanquan Li, Xiaolin Hu
In this work, we propose a new method called RefineMask for high-quality instance segmentation of objects and scenes, which incorporates fine-grained features during the instance-wise segmenting process in a multi-stage manner.
2 code implementations • CVPR 2021 • Chufeng Tang, Hang Chen, Xiao Li, Jianmin Li, Zhaoxiang Zhang, Xiaolin Hu
Tremendous efforts have been made on instance segmentation but the mask quality is still not satisfactory.
2 code implementations • CVPR 2021 • Zigang Geng, Ke Sun, Bin Xiao, Zhaoxiang Zhang, Jingdong Wang
Our motivation is that regressing keypoint positions accurately needs to learn representations that focus on the keypoint regions.
1 code implementation • CVPR 2021 • JiaWei He, Zehao Huang, Naiyan Wang, Zhaoxiang Zhang
Then the association problem turns into a general graph matching between tracklet graph and detection graph.
1 code implementation • 18 Mar 2021 • Lue Fan, Xuan Xiong, Feng Wang, Naiyan Wang, Zhaoxiang Zhang
The most notable difference with previous works is that our method is purely based on the range view representation.
1 code implementation • ICCV 2021 • Lue Fan, Xuan Xiong, Feng Wang, Naiyan Wang, Zhaoxiang Zhang
We first analyze the existing range-view-based methods and find two issues overlooked by previous works: 1) the scale variation between nearby and far away objects; 2) the inconsistency between the 2D range image coordinates used in feature extraction and the 3D Cartesian coordinates used in output.
no code implementations • ICCV 2021 • Yuxi Wang, Junran Peng, Zhaoxiang Zhang
Unsupervised domain adaptation for semantic segmentation aims to assign the pixel-level labels for unlabeled target domain by transferring knowledge from the labeled source domain.
no code implementations • ICCV 2021 • Yan Huang, Qiang Wu, Jingsong Xu, Yi Zhong, Zhaoxiang Zhang
This work argues that these approaches in fact are not aware of clothing status (i. e., change or no-change) of a pedestrian.
1 code implementation • 9 Dec 2020 • Xueyi Li, Tianfei Zhou, Jianwu Li, Yi Zhou, Zhaoxiang Zhang
We formulate WSSS as a novel group-wise learning task that explicitly models semantic dependencies in a group of images to estimate more reliable pseudo ground-truths, which can be used for training more accurate segmentation models.
Ranked #29 on
Weakly-Supervised Semantic Segmentation
on COCO 2014 val
(using extra training data)
no code implementations • CVPR 2021 • Hao Tian, Yuntao Chen, Jifeng Dai, Zhaoxiang Zhang, Xizhou Zhu
We further identify another major issue, seldom noticed by the community, that the long-tailed and open-ended (sub-)category distribution should be accommodated.
no code implementations • 16 Nov 2020 • Zhen Yang, Chi Zhang, Huiming Guo, Zhaoxiang Zhang
In this paper, we propose a manual-label free 3D detection algorithm that leverages the CARLA simulator to generate a large amount of self-labeled training samples and introduces a novel Domain Adaptive VoxelNet (DA-VoxelNet) that can cross the distribution gap from the synthetic data to the real scenario.
no code implementations • International Joint Conference on Artificial Intelligence 2018 • Yue Xu, Fei Yin, Zhaoxiang Zhang, Cheng-Lin Liu
Layout analysis is a fundamental process in document image analysis and understanding.
no code implementations • CVPR 2016 • Song Bai, Xiang Bai, Zhichao Zhou, Zhaoxiang Zhang, Longin Jan Latecki
We name the proposed 3D shape search engine, which combines GPU acceleration and Inverted File Twice, as GIFT.