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We study the 3D-aware image attribute editing problem in this paper, which has wide applications in practice. Recent methods solved the problem by training a shared encoder to map images into a 3D generator's latent space or by per-image…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Jianhui Li , Jianmin Li , Haoji Zhang , Shilong Liu , Zhengyi Wang , Zihao Xiao , Kaiwen Zheng , Jun Zhu

Deep learning models have demonstrated remarkable capabilities in learning complex patterns and concepts from training data. However, recent findings indicate that these models tend to rely heavily on simple and easily discernible features…

计算机视觉与模式识别 · 计算机科学 2023-09-25 Raha Ahmadi , Mohammad Javad Rajabi , Mohammad Khalooie , Mohammad Sabokrou

With the inexorable digitalisation of the modern world, every subset in the field of technology goes through major advancements constantly. One such subset is digital images which are ever so popular. Images can not always be as visually…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Prashanth Venkataraman

This paper reviews recent deep-learning-based matting research and conceives our wider and higher motivation for image matting. Many approaches achieve alpha mattes with complex encoders to extract robust semantics, then resort to the…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Yu Qiao , Ziqi Wei , Yuhao Liu , Yuxin Wang , Dongsheng Zhou , Qiang Zhang , Xin Yang

In this paper, we propose an end to end solution for image matting i.e high-precision extraction of foreground objects from natural images. Image matting and background detection can be achieved easily through chroma keying in a studio…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Rishab Sharma , Rahul Deora , Anirudha Vishvakarma

In this paper, we address the problem of degradation in inpainting quality of neural networks operating at high resolutions. Inpainting networks are often unable to generate globally coherent structures at resolutions higher than their…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Prakhar Kulshreshtha , Brian Pugh , Salma Jiddi

In the image inpainting task, the ability to repair both high-frequency and low-frequency information in the missing regions has a substantial influence on the quality of the restored image. However, existing inpainting methods usually fail…

计算机视觉与模式识别 · 计算机科学 2020-06-12 Huali Xu , Xiangdong Su , Meng Wang , Xiang Hao , Guanglai Gao

In this work, we address the limitations of denoising diffusion models (DDMs) in image restoration tasks, particularly the shape and color distortions that can compromise image quality. While DDMs have demonstrated a promising performance…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Xinlong Cheng , Tiantian Cao , Guoan Cheng , Bangxuan Huang , Xinghan Tian , Ye Wang , Xiaoyu He , Weixin Li , Tianfan Xue , Xuan Dong

The quality of a fundus image can be compromised by numerous factors, many of which are challenging to be appropriately and mathematically modeled. In this paper, we introduce a novel diffusion model based framework, named Learning…

图像与视频处理 · 电气工程与系统科学 2023-03-09 Puijin Cheng , Li Lin , Yijin Huang , Huaqing He , Wenhan Luo , Xiaoying Tang

A morphed face image is a synthetically created image that looks so similar to the faces of two subjects that both can use it for verification against a biometric verification system. It can be easily created by aligning and blending face…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Clemens Seibold , Anna Hilsmann , Peter Eisert

Existing image enhancement methods fall short of expectations because with them it is difficult to improve global and local image contrast simultaneously. To address this problem, we propose a histogram equalization-based method that adapts…

计算机视觉与模式识别 · 计算机科学 2022-09-15 Xiaomeng Wu , Takahito Kawanishi , Kunio Kashino

In this paper, we propose a novel low-light image enhancement method aimed at improving the performance of recognition models. Despite recent advances in deep learning, the recognition of images under low-light conditions remains a…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Seitaro Ono , Yuka Ogino , Takahiro Toizumi , Atsushi Ito , Masato Tsukada

Supervised and unsupervised homography estimation methods depend on image pairs tailored to specific modalities to achieve high accuracy. However, their performance deteriorates substantially when applied to unseen modalities. To address…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Jinkun You , Jiaxin Cheng , Jie Zhang , Yicong Zhou

Diffusion models achieve remarkable quality in image generation, but at a cost. Iterative denoising requires many time steps to produce high fidelity images. We argue that the denoising process is crucially limited by an accumulation of the…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Hui Lu , Albert ali Salah , Ronald Poppe

Enhancing visual qualities for underexposed images is an extensively concerned task that plays important roles in various areas of multimedia and computer vision. Most existing methods often fail to generate high-quality results with…

计算机视觉与模式识别 · 计算机科学 2019-07-18 Risheng Liu , Long Ma , Yuxi Zhang , Xin Fan , Zhongxuan Luo

Diffusion model-based low-light image enhancement methods rely heavily on paired training data, leading to limited extensive application. Meanwhile, existing unsupervised methods lack effective bridging capabilities for unknown degradation.…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Jinhong He , Minglong Xue , Aoxiang Ning , Chengyun Song

Diffusion models have shown great results in image generation and in image editing. However, current approaches are limited to low resolutions due to the computational cost of training diffusion models for high-resolution generation. We…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Johannes Ackermann , Minjun Li

Low-light image enhancement (LLIE) techniques attempt to increase the visibility of images captured in low-light scenarios. However, as a result of enhancement, a variety of image degradations such as noise and color bias are revealed.…

图像与视频处理 · 电气工程与系统科学 2024-09-10 Savvas Panagiotou , Anna S. Bosman

Direct image-to-image alignment that relies on the optimization of photometric error metrics suffers from limited convergence range and sensitivity to lighting conditions. Deep learning approaches has been applied to address this problem by…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Lei Han , Mengqi Ji , Lu Fang , Matthias Nießner

Much of what we remember is not due to intentional selection, but simply a by-product of perceiving. This raises a foundational question about the architecture of the mind: How does perception interface with and influence memory? Here,…

神经元与认知 · 定量生物学 2023-02-22 Qi Lin , Zifan Li , John Lafferty , Ilker Yildirim