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Functional ultrasound (fUS) is a neuroimaging technique known for its high spatiotemporal resolution, enabling non-invasive observation of brain activity through neurovascular coupling. Despite its potential in clinical applications such as…

Image and Video Processing · Electrical Eng. & Systems 2025-08-20 Zhuo Li , Xuhang Chen , Shuqiang Wang , Bin Yuan , Nou Sotheany , Ngeth Rithea

Video amodal segmentation is a particularly challenging task in computer vision, which requires to deduce the full shape of an object from the visible parts of it. Recently, some studies have achieved promising performance by using motion…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Ke Fan , Jingshi Lei , Xuelin Qian , Miaopeng Yu , Tianjun Xiao , Tong He , Zheng Zhang , Yanwei Fu

Leveraging multi-modal fusion, especially between camera and LiDAR, has become essential for building accurate and robust 3D object detection systems for autonomous vehicles. Until recently, point decorating approaches, in which point…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Philip Jacobson , Yiyang Zhou , Wei Zhan , Masayoshi Tomizuka , Ming C. Wu

Multi-frame human pose estimation has long been a compelling and fundamental problem in computer vision. This task is challenging due to fast motion and pose occlusion that frequently occur in videos. State-of-the-art methods strive to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Zhenguang Liu , Runyang Feng , Haoming Chen , Shuang Wu , Yixing Gao , Yunjun Gao , Xiang Wang

Image-text matching plays a central role in bridging the semantic gap between vision and language. The key point to achieve precise visual-semantic alignment lies in capturing the fine-grained cross-modal correspondence between image and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-14 Zhong Ji , Kexin Chen , Haoran Wang

While image dehazing has advanced substantially in the past decade, most efforts have focused on short-range scenarios, leaving long-range haze removal under-explored. As distance increases, intensified scattering leads to severe haze and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Yi Li , Xiaoxiong Wang , Jiawei Wang , Yi Chang , Kai Cao , Luxin Yan

Feature fusion, the combination of features from different layers or branches, is an omnipresent part of modern network architectures. It is often implemented via simple operations, such as summation or concatenation, but this might not be…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Yimian Dai , Fabian Gieseke , Stefan Oehmcke , Yiquan Wu , Kobus Barnard

Face anti-spoofing (FAS) and adversarial detection (FAD) have been regarded as critical technologies to ensure the safety of face recognition systems. However, due to limited practicality, complex deployment, and the additional…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Jiawei Chen , Xiao Yang , Yinpeng Dong , Hang Su , Zhaoxia Yin

The objective of this paper is motion segmentation -- discovering and segmenting the moving objects in a video. This is a much studied area with numerous careful, and sometimes complex, approaches and training schemes including:…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Junyu Xie , Charig Yang , Weidi Xie , Andrew Zisserman

Unsupervised video object segmentation (UVOS) is a per-pixel binary labeling problem which aims at separating the foreground object from the background in the video without using the ground truth (GT) mask of the foreground object. Most of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Youngjo Lee , Hongje Seong , Euntai Kim

Audio-Visual Segmentation (AVS) aims to precisely outline audible objects in a visual scene at the pixel level. Existing AVS methods require fine-grained annotations of audio-mask pairs in supervised learning fashion. This limits their…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Swapnil Bhosale , Haosen Yang , Diptesh Kanojia , Xiatian Zhu

Matching-based networks have achieved state-of-the-art performance for video object segmentation (VOS) tasks by storing every-k frames in an external memory bank for future inference. Storing the intermediate frames' predictions provides…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Ali Pourganjalikhan , Charalambos Poullis

Dynamic Facial Expression Recognition (DFER) plays a critical role in affective computing and human-computer interaction. Although existing methods achieve comparable performance, they inevitably suffer from performance degradation under…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Feng-Qi Cui , Anyang Tong , Jinyang Huang , Jie Zhang , Dan Guo , Zhi Liu , Meng Wang

Temporal feature extraction is an important issue in video-based action recognition. Optical flow is a popular method to extract temporal feature, which produces excellent performance thanks to its capacity of capturing pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2020-05-07 Yuecong Xu , Jianfei Yang , Kezhi Mao , Jianxiong Yin , Simon See

Visual Tracking is a complex problem due to unconstrained appearance variations and dynamic environment. Extraction of complementary information from the object environment via multiple features and adaption to the target's appearance…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Kapil Sharma , Himanshu Ahuja , Ashish Kumar , Nipun Bansal , Gurjit Singh Walia

Unsupervised video object segmentation (VOS) aims to detect the most prominent object in a video. Recently, two-stream approaches that leverage both RGB images and optical flow have gained significant attention, but their performance is…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Suhwan Cho , Minhyeok Lee , Jungho Lee , Donghyeong Kim , Sangyoun Lee

Multi-modal 3D object detection has been an active research topic in autonomous driving. Nevertheless, it is non-trivial to explore the cross-modal feature fusion between sparse 3D points and dense 2D pixels. Recent approaches either fuse…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Xin Li , Botian Shi , Yuenan Hou , Xingjiao Wu , Tianlong Ma , Yikang Li , Liang He

The proliferation of sophisticated deepfake technology poses significant challenges to digital security and authenticity. Detecting these forgeries, especially across a wide spectrum of manipulation techniques, requires robust and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Kohou Wang , Huan Hu , Xiang Liu , Zezhou Chen , Ping Chen , Zhaoxiang Liu , Shiguo Lian

The real-time detection of small objects in complex scenes, such as the unmanned aerial vehicle (UAV) photography captured by drones, has dual challenges of detecting small targets (<32 pixels) and maintaining real-time efficiency on…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Defan Chen , Yaohua Hu , Luchan Zhang

Effective deep feature extraction via feature-level fusion is crucial for multimodal object detection. However, previous studies often involve complex training processes that integrate modality-specific features by stacking multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Lei Hao , Lina Xu , Chang Liu , Yanni Dong