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Spatial convolutions are extensively used in numerous deep video models. It fundamentally assumes spatio-temporal invariance, i.e., using shared weights for every location in different frames. This work presents Temporally-Adaptive…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Ziyuan Huang , Shiwei Zhang , Liang Pan , Zhiwu Qing , Yingya Zhang , Ziwei Liu , Marcelo H. Ang

Deploying a deep learning model on mobile/IoT devices is a challenging task. The difficulty lies in the trade-off between computation speed and accuracy. A complex deep learning model with high accuracy runs slowly on resource-limited…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Xin Li , Shuai Zhang , Bolan Jiang , Yingyong Qi , Mooi Choo Chuah , Ning Bi

In this work we address the task of semantic image segmentation with Deep Learning and make three main contributions that are experimentally shown to have substantial practical merit. First, we highlight convolution with upsampled filters,…

Computer Vision and Pattern Recognition · Computer Science 2017-05-15 Liang-Chieh Chen , George Papandreou , Iasonas Kokkinos , Kevin Murphy , Alan L. Yuille

Recently, convolutional neural networks (CNNs) have been widely used in sound event detection (SED). However, traditional convolution is deficient in learning time-frequency domain representation of different sound events. To address this…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-22 Shengchang Xiao , Xueshuai Zhang , Pengyuan Zhang

Pillar-based 3D object detection has gained traction in self-driving technology due to its speed and accuracy facilitated by the artificial densification of pillars for GPU-friendly processing. However, dense pillar processing fundamentally…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Seongmin Park , Minjae Lee , Junwon Choi , Jungwook Choi

Thanks to recent advances in CNNs, solid improvements have been made in semantic segmentation of high resolution remote sensing imagery. However, most of the previous works have not fully taken into account the specific difficulties that…

Computer Vision and Pattern Recognition · Computer Science 2017-09-04 Ryuhei Hamaguchi , Aito Fujita , Keisuke Nemoto , Tomoyuki Imaizumi , Shuhei Hikosaka

Despite recent advances in multi-scale deep representations, their limitations are attributed to expensive parameters and weak fusion modules. Hence, we propose an efficient approach to fuse multi-scale deep representations, called…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Yu Liu , Yanming Guo , Michael S. Lew

We propose Adaptive Compressed Gradient Descent (AdaCGD) - a novel optimization algorithm for communication-efficient training of supervised machine learning models with adaptive compression level. Our approach is inspired by the recently…

Machine Learning · Computer Science 2022-11-02 Maksim Makarenko , Elnur Gasanov , Rustem Islamov , Abdurakhmon Sadiev , Peter Richtarik

Decoders play significant roles in recovering scene depths. However, the decoders used in previous works ignore the propagation of multilevel lossless fine-grained information, cannot adaptively capture local and global information in…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Fei Wang , Jun Cheng

This paper considers an affine frequency division multiplexing (AFDM)-based integrated sensing and communications (ISAC) system, where the AFDM waveform is used to simultaneously carry communications information and sense targets. To…

Signal Processing · Electrical Eng. & Systems 2022-08-30 Yuanhan Ni , Zulin Wang , Peng Yuan , Qin Huang

By optimizing the rate-distortion-realism trade-off, generative image compression approaches produce detailed, realistic images instead of the only sharp-looking reconstructions produced by rate-distortion-optimized models. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Lingyu Zhu , Xiangrui Zeng , Bolin Chen , Peilin Chen , Yung-Hui Li , Shiqi Wang

Partial scan is a common approach to accelerate Magnetic Resonance Imaging (MRI) data acquisition in both 2D and 3D settings. However, accurately reconstructing images from partial scan data (i.e., incomplete k-space matrices) remains…

Image and Video Processing · Electrical Eng. & Systems 2023-06-06 Xiaohan Liu , Yanwei Pang , Xuebin Sun , Yiming Liu , Yonghong Hou , Zhenchang Wang , Xuelong Li

Both high-level and high-resolution feature representations are of great importance in various visual understanding tasks. To acquire high-resolution feature maps with high-level semantic information, one common strategy is to adopt dilated…

Computer Vision and Pattern Recognition · Computer Science 2020-12-21 Jianbo Liu , Sijie Ren , Yuanjie Zheng , Xiaogang Wang , Hongsheng Li

Time series anomaly detection is critical for system monitoring and risk identification, across various domains, such as finance and healthcare. However, for most reconstruction-based approaches, detecting anomalies remains a challenge due…

Machine Learning · Computer Science 2025-05-13 Wenxin Zhang , Ding Xu , Guangzhen Yao , Xiaojian Lin , Renxiang Guan , Chengze Du , Renda Han , Xi Xuan , Cuicui Luo

The distributed adaptive signal fusion (DASF) framework allows to solve spatial filtering optimization problems in a distributed and adaptive fashion over a bandwidth-constrained wireless sensor network. The DASF algorithm requires each…

Signal Processing · Electrical Eng. & Systems 2025-05-02 Cem Ates Musluoglu , Alexander Bertrand

Medical image segmentation, a crucial task in computer vision, facilitates the automated delineation of anatomical structures and pathologies, supporting clinicians in diagnosis, treatment planning, and disease monitoring. Notably,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Fuchen Zheng , Xinyi Chen , Xuhang Chen , Haolun Li , Xiaojiao Guo , Weihuang Liu , Chi-Man Pun , Shoujun Zhou

Medical image segmentation is a critical task in computer-aided diagnosis and treatment planning. However, deep learning models often struggle to generalize across datasets due to domain shifts arising from variations in imaging protocols,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Phuoc-Nguyen Bui , Van-Nguyen Pham , Duc-Tai Le , Junghyun Bum , Hyunseung Choo

Skeleton-based action recognition has attracted much attention, benefiting from its succinctness and robustness. However, the minimal inter-class variation in similar action sequences often leads to confusion. The inherent spatiotemporal…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Haochen Chang , Jing Chen , Yilin Li , Jixiang Chen , Xiaofeng Zhang

Harvesting dense pixel-level annotations to train deep neural networks for semantic segmentation is extremely expensive and unwieldy at scale. While learning from synthetic data where labels are readily available sounds promising,…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Zuxuan Wu , Xintong Han , Yen-Liang Lin , Mustafa Gkhan Uzunbas , Tom Goldstein , Ser Nam Lim , Larry S. Davis

This research addresses the challenge of developing a universal deepfake detector that can effectively identify unseen deepfake images despite limited training data. Existing frequency-based paradigms have relied on frequency-level…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Chuangchuang Tan , Yao Zhao , Shikui Wei , Guanghua Gu , Ping Liu , Yunchao Wei