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Neural operators are promising surrogates for dynamical systems but when trained with standard L2 losses they tend to oversmooth fine-scale turbulent structures. Here, we show that combining operator learning with generative modeling…

流体动力学 · 物理学 2025-09-11 Vivek Oommen , Siavash Khodakarami , Aniruddha Bora , Zhicheng Wang , George Em Karniadakis

Although chain-of-thought reasoning and reinforcement learning (RL) have driven breakthroughs in NLP, their integration into generative vision models remains underexplored. We introduce ReasonGen-R1, a two-stage framework that first imbues…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Yu Zhang , Yunqi Li , Yifan Yang , Rui Wang , Yuqing Yang , Dai Qi , Jianmin Bao , Dongdong Chen , Chong Luo , Lili Qiu

Generative artificial intelligence holds significant potential for abuse, and generative image detection has become a key focus of research. However, existing methods primarily focused on detecting a specific generative model and…

计算机视觉与模式识别 · 计算机科学 2025-02-26 Peipei Yuan , Zijing Xie , Shuo Ye , Hong Chen , Yulong Wang

Most of the existing learning-based single image superresolution (SISR) methods are trained and evaluated on simulated datasets, where the low-resolution (LR) images are generated by applying a simple and uniform degradation (i.e., bicubic…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Jianrui Cai , Hui Zeng , Hongwei Yong , Zisheng Cao , Lei Zhang

Diffusion models have significantly advanced the state of the art in image, audio, and video generation tasks. However, their applications in practical scenarios are hindered by slow inference speed. Drawing inspiration from the…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Chen Xu , Tianhui Song , Weixin Feng , Xubin Li , Tiezheng Ge , Bo Zheng , Limin Wang

Facial image super-resolution (SR) is an important preprocessing for facial image analysis, face recognition, and image-based 3D face reconstruction. Recent convolutional neural network (CNN) based method has shown excellent performance by…

计算机视觉与模式识别 · 计算机科学 2019-12-24 Jung Un Yun , In Kyu Park

Different from traditional image super-resolution task, real image super-resolution(Real-SR) focus on the relationship between real-world high-resolution(HR) and low-resolution(LR) image. Most of the traditional image SR obtains the LR…

计算机视觉与模式识别 · 计算机科学 2020-04-22 Yukai Shi , Haoyu Zhong , Zhijing Yang , Xiaojun Yang , Liang Lin

Super-resolution (SR) aims to reconstruct high-resolution (HR) images from their low-resolution (LR) counterparts, often relying on effective downsampling to generate diverse and realistic training pairs. In this work, we propose a…

图像与视频处理 · 电气工程与系统科学 2025-03-18 Sohwi Kim , Tae-Kyun Kim

Reference-based Image Super-Resolution (RefSR) aims to restore a low-resolution (LR) image by utilizing the semantic and texture information from an additional reference high-resolution (reference HR) image. Existing diffusion-based RefSR…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Zhenning Shi , Zizheng Yan , Yuhang Yu , Clara Xue , Jingyu Zhuang , Qi Zhang , Jinwei Chen , Tao Li , Qingnan Fan

Consistency-based generative models like Shortcut and MeanFlow achieve impressive results via a target-aware design for solving the Probability Flow ODE (PF-ODE). Typically, such methods introduce a target time $r$ alongside the current…

机器学习 · 计算机科学 2026-02-23 Peng Sun , Xinyi Shang , Tao Lin , Zhiqiang Shen

Camera pipelines receive raw Bayer-format frames that need to be denoised, demosaiced, and often super-resolved. Multiple frames are captured to utilize natural hand tremors and enhance resolution. Multi-frame super-resolution is therefore…

图像与视频处理 · 电气工程与系统科学 2026-03-20 Harshana Weligampola , Joshua Peter Ebenezer , Weidi Liu , Abhinau K. Venkataramanan , Sreenithy Chandran , Seok-Jun Lee , Hamid Rahim Sheikh

Recent advances in video super-resolution have shown that convolutional neural networks combined with motion compensation are able to merge information from multiple low-resolution (LR) frames to generate high-quality images. Current…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Mehdi S. M. Sajjadi , Raviteja Vemulapalli , Matthew Brown

Artificial Intelligence-Generated Content (AIGC) has made significant strides, with high-resolution text-to-image (T2I) generation becoming increasingly critical for improving users' Quality of Experience (QoE). Although…

计算机视觉与模式识别 · 计算机科学 2026-01-22 Chongbin Yi , Yuxin Liang , Ziqi Zhou , Peng Yang

This paper focuses on the alignment of flow matching models with human preferences. A promising way is fine-tuning by directly backpropagating reward gradients through the differentiable generation process of flow matching. However,…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Zhanhao Liang , Tao Yang , Jie Wu , Chengjian Feng , Liang Zheng

The rich textual information of large vision-language models (VLMs) combined with the powerful generative prior of pre-trained text-to-image (T2I) diffusion models has achieved impressive performance in single-image super-resolution (SISR).…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Haodong He , Yancheng Bai , Rui Lan , Xu Duan , Lei Sun , Xiangxiang Chu , Gui-Song Xia

Generative models have emerged as a powerful paradigm for solving physics systems and modeling complex spatiotemporal dynamics. However, achieving high physical accuracy without incurring high computational cost remains a fundamental…

机器学习 · 计算机科学 2026-05-27 Jiahe Huang , Sihan Xu , Sharvaree Vadgama , Rose Yu

A single rolling-shutter (RS) image may be viewed as a row-wise combination of a sequence of global-shutter (GS) images captured by a (virtual) moving GS camera within the exposure duration. Although RS cameras are widely used, the RS…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Bin Fan , Yuchao Dai , Hongdong Li

Stochastic Gradient (SG) is the defacto iterative technique to solve stochastic optimization (SO) problems with a smooth (non-convex) objective $f$ and a stochastic first-order oracle. SG's attractiveness is due in part to its simplicity of…

最优化与控制 · 数学 2024-03-08 David Newton , Raghu Bollapragada , Raghu Pasupathy , Nung Kwan Yip

Speculative reasoning has recently been proposed as a means to accelerate reasoning-intensive generation in large multimodal models, but its effectiveness is often constrained by misalignment between speculative drafts and target-verified…

人工智能 · 计算机科学 2026-05-28 Yunhai Hu , Zining Liu , Xiangyang Yin , Tianhua Xia , Bo Bao , Eric Sather , Vithursan Thangarasa , Sai Qian Zhang

Diffusion- and flow-based models have emerged as state-of-the-art generative modeling approaches, but they require many sampling steps. Consistency models can distill these models into efficient one-step generators; however, unlike flow-…

计算机视觉与模式识别 · 计算机科学 2025-06-18 Amirmojtaba Sabour , Sanja Fidler , Karsten Kreis