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Audio-visual Zero-Shot Learning (ZSL) has attracted significant attention for its ability to identify unseen classes and perform well in video classification tasks. However, modal imbalance in (G)ZSL leads to over-reliance on the optimal…

计算机视觉与模式识别 · 计算机科学 2024-12-17 RunLin Yu , Yipu Gong , Wenrui Li , Aiwen Sun , Mengren Zheng

Knowledge distillation (KD), a technique widely employed in computer vision, has emerged as a de facto standard for improving the performance of small neural networks. However, prevailing KD-based approaches in video tasks primarily focus…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Guiqin Wang , Peng Zhao , Yanjiang Shi , Cong Zhao , Shusen Yang

Motivated by the previous success of Two-Dimensional Convolutional Neural Network (2D CNN) on image recognition, researchers endeavor to leverage it to characterize videos. However, one limitation of applying 2D CNN to analyze videos is…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Junwu Weng , Donghao Luo , Yabiao Wang , Ying Tai , Chengjie Wang , Jilin Li , Feiyue Huang , Xudong Jiang , Junsong Yuan

How to estimate the quality of the network output is an important issue, and currently there is no effective solution in the field of human parsing. In order to solve this problem, this work proposes a statistical method based on the output…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Lu Yang , Qing Song , Zhihui Wang , Zhiwei Liu , Songcen Xu , Zhihao Li

In this paper we propose a generative adversarial network (GAN) framework to enhance the perceptual quality of compressed videos. Our framework includes attention and adaptation to different quantization parameters (QPs) in a single model.…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Saiping Zhang , Luis Herranz , Marta Mrak , Marc Gorriz Blanch , Shuai Wan , Fuzheng Yang

The emergence of billion-parameter diffusion models such as Stable Diffusion XL, Imagen, and DALL-E 3 has significantly propelled the domain of generative AI. However, their large-scale architecture presents challenges in fine-tuning and…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Hyogon Ryu , Seohyun Lim , Hyunjung Shim

With the widespread use of installed cameras, video-based monitoring approaches have seized considerable attention for different purposes like assisted living. Temporal redundancy and the sheer size of raw videos are the two most common…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Ali Abdari , Pouria Amirjan , Azadeh Mansouri

Existing visual object tracking usually learns a bounding-box based template to match the targets across frames, which cannot accurately learn a pixel-wise representation, thereby being limited in handling severe appearance variations. To…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Fei Xie , Wankou Yang , Bo Liu , Kaihua Zhang , Wanli Xue , Wangmeng Zuo

Recently, semantic video segmentation gained high attention especially for supporting autonomous driving systems. Deep learning methods made it possible to implement real time segmentation and object identification algorithms on videos.…

图像与视频处理 · 电气工程与系统科学 2019-10-30 Beril Sirmacek , Nicolò Botteghi , Santiago Sanchez Escalonilla Plaza

In this work, we aim to learn an unpaired image enhancement model, which can enrich low-quality images with the characteristics of high-quality images provided by users. We propose a quality attention generative adversarial network (QAGAN)…

图像与视频处理 · 电气工程与系统科学 2021-01-01 Zhangkai Ni , Wenhan Yang , Shiqi Wang , Lin Ma , Sam Kwong

The Audio-Visual Video Parsing task aims to recognize and temporally localize all events occurring in either the audio or visual stream, or both. Capturing accurate event semantics for each audio/visual segment is vital. Prior works…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Pengcheng Zhao , Jinxing Zhou , Yang Zhao , Dan Guo , Yanxiang Chen

In image restoration tasks, like denoising and super resolution, continual modulation of restoration levels is of great importance for real-world applications, but has failed most of existing deep learning based image restoration methods.…

计算机视觉与模式识别 · 计算机科学 2019-06-04 Jingwen He , Chao Dong , Yu Qiao

Continual Semantic Segmentation (CSS) seeks to incrementally learn to segment novel classes while preserving knowledge of previously encountered ones. Recent advancements in CSS have been largely driven by the adoption of Pre-trained Vision…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Duzhen Zhang , Yong Ren , Wei Cong , Junhao Zheng , Qiaoyi Su , Shuncheng Jia , Zhong-Zhi Li , Xuanle Zhao , Ye Bai , Feilong Chen , Qi Tian , Tielin Zhang

We examine Memory Networks for the task of question answering (QA), under common real world scenario where training examples are scarce and under weakly supervised scenario, that is only extrinsic labels are available for training. We…

计算与语言 · 计算机科学 2017-03-14 Govardana Sachithanandam Ramachandran , Ajay Sohmshetty

Existing methods for instance segmentation in videos typically involve multi-stage pipelines that follow the tracking-by-detection paradigm and model a video clip as a sequence of images. Multiple networks are used to detect objects in…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Ali Athar , Sabarinath Mahadevan , Aljoša Ošep , Laura Leal-Taixé , Bastian Leibe

Motivated by the desire to exploit patterns shared across classes, we present a simple yet effective class-specific memory module for fine-grained feature learning. The memory module stores the prototypical feature representation for each…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Weijian Deng , Joshua Marsh , Stephen Gould , Liang Zheng

Video semantic segmentation is active in recent years benefited from the great progress of image semantic segmentation. For such a task, the per-frame image segmentation is generally unacceptable in practice due to high computation cost. To…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Jiafan Zhuang , Zilei Wang , Bingke Wang

Multi-frame video enhancement tasks aim to improve the spatial and temporal resolution and quality of video sequences by leveraging temporal information from multiple frames, which are widely used in streaming video processing,…

计算机视觉与模式识别 · 计算机科学 2025-05-27 ZhanFeng Feng , Long Peng , Xin Di , Yong Guo , Wenbo Li , Yulun Zhang , Renjing Pei , Yang Wang , Yang Cao , Zheng-Jun Zha

We tackle catastrophic forgetting problem in the context of class-incremental learning for video recognition, which has not been explored actively despite the popularity of continual learning. Our framework addresses this challenging task…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Jaeyoo Park , Minsoo Kang , Bohyung Han

3D point cloud semantic and instance segmentation is crucial and fundamental for 3D scene understanding. Due to the complex structure, point sets are distributed off balance and diversely, which appears as both category imbalance and…

计算机视觉与模式识别 · 计算机科学 2020-01-07 Tong He , Dong Gong , Zhi Tian , Chunhua Shen