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Large-scale pre-trained Vision-Language Models (VLMs) have demonstrated strong few-shot learning capabilities. However, these methods typically learn holistic representations where an image's domain-invariant structure is implicitly…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Hieu Dinh Trung Pham , Huy Minh Nhat Nguyen , Cuong Tuan Nguyen

This work introduced a novel GAN architecture for unsupervised image translation on the task of face style transform. A spectral attention-based mechanism is embedded into the design along with spatial attention on the image contents. We…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Qizhou Wang , Maksim Makarenko

Low-light image enhancement techniques have significantly progressed, but unstable image quality recovery and unsatisfactory visual perception are still significant challenges. To solve these problems, we propose a novel and robust…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Minglong Xue , Jinhong He , Wenhai Wang , Mingliang Zhou

Advances in image tampering techniques, particularly generative models, pose significant challenges to media verification, digital forensics, and public trust. Existing image forgery detection and localization (IFDL) methods suffer from two…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Zhou Liu , Tonghua Su , Hongshi Zhang , Fuxiang Yang , Donglin Di , Yang Song , Lei Fan

The space of task-agnostic feature upsampling has emerged as a promising area of research to efficiently create denser features from pre-trained visual backbones. These methods act as a shortcut to achieve dense features for a fraction of…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Matthew Walmer , Saksham Suri , Anirud Aggarwal , Abhinav Shrivastava

Fast Fourier Transform based phase screen simulations give accurate results only when the screen size ($G$) is much larger than the outer scale parameter ($L_0$). Otherwise, they fall short in correctly predicting both the low and high…

天体物理仪器与方法 · 物理学 2021-06-03 Sorabh Chhabra , Jyotirmay Paul , Anamparambu N. Ramaprakash , Avinash Surendran

Diffusion models struggle to scale beyond their training resolutions, as direct high-resolution sampling is slow and costly, while post-hoc image super-resolution (ISR) introduces artifacts and additional latency by operating after…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Aleksandr Razin , Danil Kazantsev , Ilya Makarov

With the rapid development of facial forgery techniques, forgery detection has attracted more and more attention due to security concerns. Existing approaches attempt to use frequency information to mine subtle artifacts under high-quality…

计算机视觉与模式识别 · 计算机科学 2021-12-30 Qiqi Gu , Shen Chen , Taiping Yao , Yang Chen , Shouhong Ding , Ran Yi

Semantic segmentation is a fundamental problem in computer vision and it requires high-resolution feature maps for dense prediction. Current coordinate-guided low-resolution feature interpolation methods, e.g., bilinear interpolation,…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Tianheng Cheng , Xinggang Wang , Junchao Liao , Wenyu Liu

Methods based on implicit neural representation have demonstrated remarkable capabilities in arbitrary-scale super-resolution (ASSR) tasks, but they neglect the potential value of the frequency domain, leading to sub-optimal performance. We…

机器学习 · 计算机科学 2025-04-29 Xufei Wang , Fei Ge , Jinchen Zhu , Mingjian Zhang , Qi Wu , Jifeng Ren Shizhuang Weng

Currently, many face forgery detection methods aggregate spatial and frequency features to enhance the generalization ability and gain promising performance under the cross-dataset scenario. However, these methods only leverage one level…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Jie Liu , Jingjing Wang , Peng Zhang , Chunmao Wang , Di Xie , Shiliang Pu

Classifier-free guidance (CFG) has become an essential component of modern conditional diffusion models. Although highly effective in practice, the underlying mechanisms by which CFG enhances quality, detail, and prompt alignment are not…

机器学习 · 计算机科学 2025-06-25 Seyedmorteza Sadat , Tobias Vontobel , Farnood Salehi , Romann M. Weber

This work explores a simple yet powerful lightweight adapter design for feed-forward 3D Gaussian Splatting (3DGS). Existing methods typically apply complex, architecture-specific designs on top of the generic pipeline of image feature…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Mingwei Xing , Xinliang Wang , Yifeng Shi

Transformers have achieved widespread success in computer vision. At their heart, there is a Self-Attention (SA) mechanism, an inductive bias that associates each token in the input with every other token through a weighted basis. The…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Anahita Nekoozadeh , Mohammad Reza Ahmadzadeh , Zahra Mardani

The realm of classical phase retrieval concerns itself with the arduous task of recovering a signal from its Fourier magnitude measurements, which are fraught with inherent ambiguities. A single-exposure intensity measurement is commonly…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Yixiao Yang , Ran Tao , Kaixuan Wei , Jun Shi

Automated polyp segmentation is essential for early diagnosis of colorectal cancer, yet developing robust models remains challenging due to limited annotated data and significant performance degradation under domain shift. Although…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Haoran Xi , Chen Liu , Xiaolin Li

This paper introduces a lightweight image super-resolution (SR) network, termed the Multi-scale Spatial Adaptive Attention Network (MSAAN), to address the common dilemma between high reconstruction fidelity and low model complexity in…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Sushi Rao , Jingwei Li

Attention is a general reasoning mechanism than can flexibly deal with image information, but its memory requirements had made it so far impractical for high resolution image generation. We present Grid Partitioned Attention (GPA), a new…

计算机视觉与模式识别 · 计算机科学 2021-07-09 Nikolay Jetchev , Gökhan Yildirim , Christian Bracher , Roland Vollgraf

Recently Transformer-based hyperspectral image (HSI) change detection methods have shown remarkable performance. Nevertheless, existing attention mechanisms in Transformers have limitations in local feature representation. To address this…

图像与视频处理 · 电气工程与系统科学 2024-11-22 Ziyi Wang , Feng Gao , Junyu Dong , Qian Du

Image Restoration has seen remarkable progress in recent years. Many generative models have been adapted to tackle the known restoration cases of images. However, the interest in benefiting from the frequency domain is not well explored…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Bilel Benjdira , Anas M. Ali , Anis Koubaa