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Fine-grained visual categorization (FGVC), which aims at classifying objects with small inter-class variances, has been significantly advanced in recent years. However, ultra-fine-grained visual categorization (ultra-FGVC), which targets at…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Yajie Sun , Miaohua Zhang , Xiaohan Yu , Yi Liao , Yongsheng Gao

Semantic segmentation of high-resolution remote sensing images plays a crucial role in land-use monitoring and urban planning. Recent remarkable progress in deep learning-based methods makes it possible to generate satisfactory segmentation…

Image and Video Processing · Electrical Eng. & Systems 2025-04-04 Feng Gao , Miao Fu , Jingchao Cao , Junyu Dong , Qian Du

To address the limitations of Transformer decoders in capturing edge details, recognizing local textures and modeling spatial continuity, this paper proposes a novel decoder framework specifically designed for medical image segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Fan Zhang , Zhiwei Gu , Hua Wang

Audio-Visual Segmentation (AVS) faces a fundamental challenge of effectively aligning audio and visual modalities. While recent approaches leverage foundation models to address data scarcity, they often rely on single-modality knowledge or…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Ziyang Luo , Nian Liu , Xuguang Yang , Salman Khan , Rao Muhammad Anwer , Hisham Cholakkal , Fahad Shahbaz Khan , Junwei Han

The booming remote sensing (RS) technology is giving rise to a novel multimodality generalization task, which requires the model to overcome data heterogeneity while possessing powerful cross-scene generalization ability. Moreover, most…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Junjie Zhang , Feng Zhao , Hanqiang Liu , Jun Yu

Given an audio-visual pair, audio-visual segmentation (AVS) aims to locate sounding sources by predicting pixel-wise maps. Previous methods assume that each sound component in an audio signal always has a visual counterpart in the image.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Chen Liu , Peike Li , Hu Zhang , Lincheng Li , Zi Huang , Dadong Wang , Xin Yu

Zero-shot skeleton-based action recognition aims to develop models capable of identifying actions beyond the categories encountered during training. Previous approaches have primarily focused on aligning visual and semantic representations…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Wenhan Wu , Zhishuai Guo , Chen Chen , Hongfei Xue , Aidong Lu

Audio-Visual Learning (AVL) is one fundamental task of multi-modality learning and embodied intelligence, displaying the vital role in scene understanding and interaction. However, previous researchers mostly focus on exploring downstream…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Muyi Sun , Yixuan Wang , Hong Wang , Chen Su , Man Zhang , Xingqun Qi , Qi Li , Zhenan Sun

Audio visual segmentation (AVS) aims to segment the sounding objects for each frame of a given video. To distinguish the sounding objects from silent ones, both audio-visual semantic correspondence and temporal interaction are required. The…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Shaofei Huang , Han Li , Yuqing Wang , Hongji Zhu , Jiao Dai , Jizhong Han , Wenge Rong , Si Liu

Dilated convolution, which expands the receptive field by inserting gaps between its consecutive elements, is widely employed in computer vision. In this study, we propose three strategies to improve individual phases of dilated convolution…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Linwei Chen , Lin Gu , Ying Fu

Semantic segmentation is an essential part of deep learning. In recent years, with the development of remote sensing big data, semantic segmentation has been increasingly used in remote sensing. Deep convolutional neural networks (DCNNs)…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Xuan Yang , Shanshan Li , Zhengchao Chen , Jocelyn Chanussot , Xiuping Jia , Bing Zhang , Baipeng Li , Pan Chen

In audio-visual navigation (AVN) tasks, an embodied agent must autonomously localize a sound source in unknown and complex 3D environments based on audio-visual signals. Existing methods often rely on static modality fusion strategies and…

Artificial Intelligence · Computer Science 2025-09-23 Jia Li , Yinfeng Yu , Liejun Wang , Fuchun Sun , Wendong Zheng

The recent works on Video Object Segmentation achieved remarkable results by matching dense semantic and instance-level features between the current and previous frames for long-time propagation. Nevertheless, global feature matching…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Volodymyr Fedynyak , Yaroslav Romanus , Bohdan Hlovatskyi , Bohdan Sydor , Oles Dobosevych , Igor Babin , Roman Riazantsev

While recent semantic segmentation networks heavily rely on powerful pretrained encoders, most employ simplistic decoders, leading to suboptimal trade-offs between semantic context and fine-grained detail preservation. To address this, we…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Guoan Xu , Yang Xiao , Wenjing Jia , Guangwei Gao , Guo-Jun Qi , Chia-Wen Lin

Generative face video coding (GFVC) is vital for modern applications like video conferencing, yet existing methods primarily focus on video motion while neglecting the significant bitrate contribution of audio. Despite the well-established…

Image and Video Processing · Electrical Eng. & Systems 2025-12-18 Youmin Xu , Mengxi Guo , Shijie Zhao , Weiqi Li , Junlin Li , Li Zhang , Jian Zhang

Learning based video compression attracts increasing attention in the past few years. The previous hybrid coding approaches rely on pixel space operations to reduce spatial and temporal redundancy, which may suffer from inaccurate motion…

Image and Video Processing · Electrical Eng. & Systems 2021-08-24 Zhihao Hu , Guo Lu , Dong Xu

Audio-visual speech recognition (AVSR) combines audio-visual modalities to improve speech recognition, especially in noisy environments. However, most existing methods deploy the unidirectional enhancement or symmetric fusion manner, which…

Multimedia · Computer Science 2025-08-12 Junxiao Xue , Xiaozhen Liu , Xuecheng Wu , Xinyi Yin , Danlei Huang , Fei Yu

Image segmentation is a fundamental task in computer vision, aimed at partitioning an image into semantically meaningful regions. Referring image segmentation extends this task by using natural language expressions to localize specific…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Alaa Dalaq , Muzammil Behzad

Accurately localizing audible objects based on audio-visual cues is the core objective of audio-visual segmentation. Most previous methods emphasize spatial or temporal multi-modal modeling, yet overlook challenges from ambiguous…

Sound · Computer Science 2025-03-18 Chen Liu , Peike Li , Liying Yang , Dadong Wang , Lincheng Li , Xin Yu

The goal of the audio-visual segmentation (AVS) task is to segment the sounding objects in the video frames using audio cues. However, current fusion-based methods have the performance limitations due to the small receptive field of…

Sound · Computer Science 2023-07-26 Jinxiang Liu , Chen Ju , Chaofan Ma , Yanfeng Wang , Yu Wang , Ya Zhang