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Uniform downsampling remains the de facto standard for reducing spatial resolution in vision backbones. In this work, we propose an alternative design built around a content-aware spatial grouping layer, that dynamically assigns tokens to a…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Guillem Brasó , Aljoša Ošep , Laura Leal-Taixé

Underwater images often exhibit poor quality, distorted color balance and low contrast due to the complex and intricate interplay of light, water, and objects. Despite the significant contributions of previous underwater enhancement…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Weiwen Chen , Yingtie Lei , Shenghong Luo , Ziyang Zhou , Mingxian Li , Chi-Man Pun

Semantic segmentation of remotely sensed urban scene images is required in a wide range of practical applications, such as land cover mapping, urban change detection, environmental protection, and economic assessment.Driven by rapid…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Libo Wang , Rui Li , Ce Zhang , Shenghui Fang , Chenxi Duan , Xiaoliang Meng , Peter M. Atkinson

This paper delves into the challenges and advancements in the field of medical image segmentation, particularly focusing on breast cancer diagnosis. The authors propose a novel Transformer-based segmentation model that addresses the…

图像与视频处理 · 电气工程与系统科学 2024-09-20 Weijie He , Runyuan Bao , Yiru Cang , Jianjun Wei , Yang Zhang , Jiacheng Hu

In modern computer vision, images are typically represented as a fixed uniform grid with some stride and processed via a deep convolutional neural network. We argue that deforming the grid to better align with the high-frequency image…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Jun Gao , Zian Wang , Jinchen Xuan , Sanja Fidler

Few-shot classification which aims to recognize unseen classes using very limited samples has attracted more and more attention. Usually, it is formulated as a metric learning problem. The core issue of few-shot classification is how to…

计算机视觉与模式识别 · 计算机科学 2022-08-29 Xixi Wang , Xiao Wang , Bo Jiang , Bin Luo

Pre-trained large-scale models have exhibited remarkable efficacy in computer vision, particularly for 2D image analysis. However, when it comes to 3D point clouds, the constrained accessibility of data, in contrast to the vast repositories…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Mengke Li , Da Li , Guoqing Yang , Yiu-ming Cheung , Hui Huang

Many automated processes such as auto-piloting rely on a good semantic segmentation as a critical component. To speed up performance, it is common to downsample the input frame. However, this comes at the cost of missed small objects and…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Dmitrii Marin , Zijian He , Peter Vajda , Priyam Chatterjee , Sam Tsai , Fei Yang , Yuri Boykov

Transformers have greatly advanced the state-of-the-art in Natural Language Processing (NLP) in recent years, but present very large computation and storage requirements. We observe that the design process of Transformers (pre-train a…

计算与语言 · 计算机科学 2022-06-13 Amrit Nagarajan , Sanchari Sen , Jacob R. Stevens , Anand Raghunathan

Vision Foundation Models (VFMs) extract spatially downsampled representations, posing challenges for pixel-level tasks. Existing upsampling approaches face a fundamental trade-off: classical filters are fast and broadly applicable but rely…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Loick Chambon , Paul Couairon , Eloi Zablocki , Alexandre Boulch , Nicolas Thome , Matthieu Cord

JPEG is a widely used compression scheme to efficiently reduce the volume of transmitted images. The artifacts appear among blocks due to the information loss, which not only affects the quality of images but also harms the subsequent…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Long Peng , Yang Cao , Yuejin Sun , Yang Wang

Pruning well-trained neural networks is effective to achieve a promising accuracy-efficiency trade-off in computer vision regimes. However, most of existing pruning algorithms only focus on the classification task defined on the source…

计算机视觉与模式识别 · 计算机科学 2022-02-24 Ruichen Li , Binghui Li , Qi Qian , Liwei Wang

Recent Few-Shot Learning (FSL) methods put emphasis on generating a discriminative embedding features to precisely measure the similarity between support and query sets. Current CNN-based cross-attention approaches generate discriminative…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Jinxiang Lai , Siqian Yang , Wenlong Wu , Tao Wu , Guannan Jiang , Xi Wang , Jun Liu , Bin-Bin Gao , Wei Zhang , Yuan Xie , Chengjie Wang

Although face recognition (FR) has achieved great success in recent years, it is still challenging to accurately recognize faces in low-quality images due to the obscured facial details. Nevertheless, it is often feasible to make…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Niloufar Alipour Talemi , Hossein Kashiani , Nasser M. Nasrabadi

The depth-of-field (DoF) effect, which introduces aesthetically pleasing blur, enhances photographic quality but is fixed and difficult to modify once the image has been created. This becomes problematic when the applied blur is…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Yiyang Wang , Xi Chen , Xiaogang Xu , Yu Liu , Hengshuang Zhao

Cloud segmentation is a critical challenge in remote sensing image interpretation, as its accuracy directly impacts the effectiveness of subsequent data processing and analysis. Recently, vision foundation models (VFM) have demonstrated…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Xuechao Zou , Shun Zhang , Kai Li , Shiying Wang , Junliang Xing , Lei Jin , Congyan Lang , Pin Tao

We propose a novel image sampling method for differentiable image transformation in deep neural networks. The sampling schemes currently used in deep learning, such as Spatial Transformer Networks, rely on bilinear interpolation, which…

计算机视觉与模式识别 · 计算机科学 2019-09-11 Wei Jiang , Weiwei Sun , Andrea Tagliasacchi , Eduard Trulls , Kwang Moo Yi

This paper describes AutoFocus, an efficient multi-scale inference algorithm for deep-learning based object detectors. Instead of processing an entire image pyramid, AutoFocus adopts a coarse to fine approach and only processes regions…

计算机视觉与模式识别 · 计算机科学 2019-08-02 Mahyar Najibi , Bharat Singh , Larry S. Davis

Due to various and complicated snow degradations, single image desnowing is a challenging image restoration task. As prior arts can not handle it ideally, we propose a novel transformer, SnowFormer, which explores efficient cross-attentions…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Sixiang Chen , Tian Ye , Yun Liu , Erkang Chen

Change detection (CD) in remote sensing aims to identify semantic differences between satellite images captured at different times. While deep learning has significantly advanced this field, existing approaches based on convolutional neural…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Durgesh Ameta , Ujjwal Mishra , Praful Hambarde , Amit Shukla