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This paper investigates a phenomenon where query-based object detectors mispredict at the last decoding stage while predicting correctly at an intermediate stage. We review the training process and attribute the overlooked phenomenon to two…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Fangyi Chen , Han Zhang , Kai Hu , Yu-kai Huang , Chenchen Zhu , Marios Savvides

Due to the complexity and volatility of the traffic environment, decision-making in autonomous driving is a significantly hard problem. In this project, we use a Deep Q-Network, along with rule-based constraints to make lane-changing…

机器人学 · 计算机科学 2021-12-30 Mukesh Ghimire , Malobika Roy Choudhury , Guna Sekhar Sai Harsha Lagudu

3D object detection is crucial for Autonomous Driving (AD) and Advanced Driver Assistance Systems (ADAS). However, most 3D detectors prioritize detection accuracy, often overlooking network inference speed in practical applications. In this…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Liye Jia , Runwei Guan , Haocheng Zhao , Qiuchi Zhao , Ka Lok Man , Jeremy Smith , Limin Yu , Yutao Yue

The vision-based semantic scene completion task aims to predict dense geometric and semantic 3D scene representations from 2D images. However, the presence of dynamic objects in the scene seriously affects the accuracy of the model…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Meng Wang , Fan Wu , Yunchuan Qin , Ruihui Li , Zhuo Tang , Kenli Li

The existing action recognition methods are mainly based on clip-level classifiers such as two-stream CNNs or 3D CNNs, which are trained from the randomly selected clips and applied to densely sampled clips during testing. However, this…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Yin-Dong Zheng , Zhaoyang Liu , Tong Lu , Limin Wang

The deployment of deep neural networks on resource-constrained devices relies on quantization. While static, uniform quantization applies a fixed bit-width to all inputs, it fails to adapt to their varying complexity. Dynamic,…

We present a unified, efficient and effective framework for point-cloud based 3D object detection. Our two-stage approach utilizes both voxel representation and raw point cloud data to exploit respective advantages. The first stage network,…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Yilun Chen , Shu Liu , Xiaoyong Shen , Jiaya Jia

Metaverse, which integrates the virtual and physical worlds, has emerged as an innovative paradigm for changing people's lifestyles. Motion capture has become a reliable approach to achieve seamless synchronization of the movements between…

多媒体 · 计算机科学 2024-07-02 Xuling Zhang , Ziru Zhang , Yuyang Wang , Lik-hang Lee , Pan Hui

Gradient quantization is an emerging technique in reducing communication costs in distributed learning. Existing gradient quantization algorithms often rely on engineering heuristics or empirical observations, lacking a systematic approach…

机器学习 · 计算机科学 2021-08-02 Guangfeng Yan , Shao-Lun Huang , Tian Lan , Linqi Song

Point cloud analysis has achieved outstanding performance by transferring point cloud pre-trained models. However, existing methods for model adaptation usually update all model parameters, i.e., full fine-tuning paradigm, which is…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Xin Zhou , Dingkang Liang , Wei Xu , Xingkui Zhu , Yihan Xu , Zhikang Zou , Xiang Bai

State-of-the-art convolutional neural networks (CNNs) yield record-breaking predictive performance, yet at the cost of high-energy-consumption inference, that prohibits their widely deployments in resource-constrained Internet of Things…

机器学习 · 计算机科学 2023-07-19 Yue Wang , Jianghao Shen , Ting-Kuei Hu , Pengfei Xu , Tan Nguyen , Richard Baraniuk , Zhangyang Wang , Yingyan Lin

We introduce Gaussian-Flow, a novel point-based approach for fast dynamic scene reconstruction and real-time rendering from both multi-view and monocular videos. In contrast to the prevalent NeRF-based approaches hampered by slow training…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Youtian Lin , Zuozhuo Dai , Siyu Zhu , Yao Yao

Despite their remarkable success in complex tasks propelling widespread adoption, large language-model-based agents still face critical deployment challenges due to prohibitive latency and inference costs. While recent work has explored…

人工智能 · 计算机科学 2025-09-23 Yilin Guan , Qingfeng Lan , Sun Fei , Dujian Ding , Devang Acharya , Chi Wang , William Yang Wang , Wenyue Hua

Point cloud segmentation is one of the most important tasks in computer vision with widespread scientific, industrial, and commercial applications. The research thereof has resulted in many breakthroughs in 3D object and scene…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Dening Lu , Jun Zhou , Kyle Yilin Gao , Dilong Li , Jing Du , Linlin Xu , Jonathan Li

The rapid adoption of Transformer-based AI has been driven by accessible models such as ChatGPT, which provide API-based services for developers and businesses. However, as these online inference services increasingly handle sensitive…

密码学与安全 · 计算机科学 2026-03-17 Yifei Cai , Zhuoran Li , Yizhou Feng , Qiao Zhang , Hongyi Wu , Danella Zhao , Chunsheng Xin

Diffusion Transformers (DiTs) have shown remarkable performance in generating high-quality videos. However, the quadratic complexity of 3D full attention remains a bottleneck in scaling DiT training, especially with high-definition, lengthy…

分布式、并行与集群计算 · 计算机科学 2026-03-02 Xin Tan , Yuetao Chen , Yimin Jiang , Xing Chen , Kun Yan , Nan Duan , Yibo Zhu , Daxin Jiang , Hong Xu

3D object detection plays a pivotal role in many applications, most notably autonomous driving and robotics. These applications are commonly deployed on edge devices to promptly interact with the environment, and often require near…

网络与互联网体系结构 · 计算机科学 2023-09-06 Jingzong Li , Yik Hong Cai , Libin Liu , Yu Mao , Chun Jason Xue , Hong Xu

Dynamic DNN optimization techniques such as layer-skipping offer increased adaptability and efficiency gains but can lead to i) a larger memory footprint as in decision gates, ii) increased training complexity (e.g., with non-differentiable…

机器学习 · 计算机科学 2025-05-26 Guilherme Korol , Antonio Carlos Schneider Beck , Jeronimo Castrillon

Recently, several spatial-temporal memory-based methods have verified that storing intermediate frames and their masks as memory are helpful to segment target objects in videos. However, they mainly focus on better matching between the…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Yong Liu , Ran Yu , Fei Yin , Xinyuan Zhao , Wei Zhao , Weihao Xia , Yujiu Yang

Network quantization is an effective method for the deployment of neural networks on memory and energy constrained mobile devices. In this paper, we propose a Dynamic Network Quantization (DNQ) framework which is composed of two modules: a…

机器学习 · 计算机科学 2018-12-07 Yuhui Xu , Shuai Zhang , Yingyong Qi , Jiaxian Guo , Weiyao Lin , Hongkai Xiong