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相关论文: Gaussian highpass guided image filtering

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Guided upsampling is an effective approach for accelerating high-resolution image processing. In this paper, we propose a simple yet effective guided upsampling method. Each pixel in the high-resolution image is represented as a linear…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Shuangbing Song , Fan Zhong , Tianju Wang , Xueying Qin , Changhe Tu

Enhancing RAW images captured under low light conditions is a challenging task. Recent deep learning based RAW enhancement methods have shifted from using real paired data to relying on synthetic datasets. These synthetic datasets are…

图像与视频处理 · 电气工程与系统科学 2025-09-11 Juntai Zeng

We present Pix2Gif, a motion-guided diffusion model for image-to-GIF (video) generation. We tackle this problem differently by formulating the task as an image translation problem steered by text and motion magnitude prompts, as shown in…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Hitesh Kandala , Jianfeng Gao , Jianwei Yang

We aim to address sparse-view reconstruction of a 3D scene by leveraging priors from large-scale vision models. While recent advancements such as 3D Gaussian Splatting (3DGS) have demonstrated remarkable successes in 3D reconstruction,…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Hanyang Yu , Xiaoxiao Long , Ping Tan

While learned image compression (LIC) focuses on efficient data transmission, generative image compression (GIC) extends this framework by integrating generative modeling to produce photo-realistic reconstructed images. In this paper, we…

图像与视频处理 · 电气工程与系统科学 2025-05-28 Minghao Han , Weiyi You , Jinhua Zhang , Leheng Zhang , Ce Zhu , Shuhang Gu

As generative models become increasingly capable of producing high-fidelity visual content, the demand for efficient, interpretable, and editable image representations has grown substantially. Recent advances in 2D Gaussian Splatting (2DGS)…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Hao Wang , Ashish Bastola , Chaoyi Zhou , Wenhui Zhu , Xiwen Chen , Xuanzhao Dong , Siyu Huang , Abolfazl Razi

We introduce Adaptive Guided Upsampling (AGU), an efficient method for upscaling low-light images capable of optimizing multiple image quality characteristics at the same time, such as reducing noise and increasing sharpness. It is based on…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Angela Vivian Dcosta , Chunbo Song , Rafael Radkowski

The Gaussian function (GF) is widely used to explain the behavior or statistical distribution of many natural phenomena as well as industrial processes in different disciplines of engineering and applied science. For example, the GF can be…

信号处理 · 电气工程与系统科学 2020-01-08 Ibrahim Al-Nahhal , Octavia A. Dobre , Ertugrul Basar , Cecilia Moloney , Salama Ikki

In practical applications, low-light images are often compressed for efficient storage and transmission. Most existing methods disregard compression artifacts removal or hardly establish a unified framework for joint task enhancement of…

图像与视频处理 · 电气工程与系统科学 2026-05-12 Hantang Li , Qiang Zhu , Xiandong Meng , Lei Xiong , Shuyuan Zhu , Xiaopeng Fan

The guided filter is a technique for edge-aware image filtering. Because of its nice visual quality, fast speed, and ease of implementation, the guided filter has witnessed various applications in real products, such as image editing apps…

计算机视觉与模式识别 · 计算机科学 2015-05-06 Kaiming He , Jian Sun

3D Gaussian Splatting (3DGS) enhances 3D scene reconstruction through explicit representation and fast rendering, demonstrating potential benefits for various low-level vision tasks, including video compression. However, existing 3DGS-based…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Siyue Teng , Ge Gao , Duolikun Danier , Yuxuan Jiang , Fan Zhang , Thomas Davis , Zoe Liu , David Bull

Recent advances in diffusion-based generative models have shown incredible promise for zero shot image-to-image translation and editing. Most of these approaches work by combining or replacing network-specific features used in the…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Zeqi Gu , Ethan Yang , Abe Davis

Diffusion models excel in generating high-quality images. However, current diffusion models struggle to produce reliable images without guidance methods, such as classifier-free guidance (CFG). Are guidance methods truly necessary?…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Donghoon Ahn , Jiwon Kang , Sanghyun Lee , Jaewon Min , Minjae Kim , Wooseok Jang , Hyoungwon Cho , Sayak Paul , SeonHwa Kim , Eunju Cha , Kyong Hwan Jin , Seungryong Kim

Joint image filters leverage the guidance image as a prior and transfer the structural details from the guidance image to the target image for suppressing noise or enhancing spatial resolution. Existing methods either rely on various…

计算机视觉与模式识别 · 计算机科学 2019-01-04 Yijun Li , Jia-Bin Huang , Narendra Ahuja , Ming-Hsuan Yang

Photo-realistic visualization and animation of expressive human faces have been a long standing challenge. 3D face modeling methods provide parametric control but generates unrealistic images, on the other hand, generative 2D models like…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Partha Ghosh , Pravir Singh Gupta , Roy Uziel , Anurag Ranjan , Michael Black , Timo Bolkart

Classifier-Free Guidance (CFG) is an essential component of text-to-image diffusion models, and understanding and advancing its operational mechanisms remains a central focus of research. Existing approaches stem from divergent theoretical…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Kaibo Wang , Jianda Mao , Tong Wu , Yang Xiang

Recent image denoising methods have leveraged generative modeling for real noise synthesis to address the costly acquisition of real-world noisy data. However, these generative models typically require camera metadata and extensive…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Changjin Kim , HyeokJun Lee , YoungJoon Yoo

We propose GRAM-DIFF, a Gram-matrix-guided diffusion framework for semi-blind multiple input multiple output (MIMO) channel estimation. Recent diffusion-based estimators leverage learned generative priors to improve pilot-based channel…

信息论 · 计算机科学 2026-02-18 Xinyuan Wang , Krishna Narayanan

Low-Light Enhancement (LLE) is aimed at improving the quality of photos/videos captured under low-light conditions. It is worth noting that most existing LLE methods do not take advantage of geometric modeling. We believe that incorporating…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Yingqi Lin , Xiaogang Xu , Jiafei Wu , Yan Han , Zhe Liu

Dense pixel-wise image prediction has been advanced by harnessing the capabilities of Fully Convolutional Networks (FCNs). One central issue of FCNs is the limited capacity to handle joint upsampling. To address the problem, we present a…

计算机视觉与模式识别 · 计算机科学 2019-09-26 Huikai Wu , Shuai Zheng , Junge Zhang , Kaiqi Huang