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Due to the high complexity and technical requirements of industrial production processes, surface defects will inevitably appear, which seriously affects the quality of products. Although existing lightweight detection networks are highly…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Xuyi Yu

Recent advances in imaging and high-performance computing have made it possible to image the entire human brain at the cellular level. This is the basis to study the multi-scale architecture of the brain regarding its subdivision into brain…

图像与视频处理 · 电气工程与系统科学 2023-11-29 Jan-Oliver Kropp , Christian Schiffer , Katrin Amunts , Timo Dickscheid

Denoising diffusion probabilistic models (DDPMs) have achieved unprecedented success in computer vision. However, they remain underutilized in medical imaging, a field crucial for disease diagnosis and treatment planning. This is primarily…

图像与视频处理 · 电气工程与系统科学 2025-08-22 Hongxu Jiang , Muhammad Imran , Teng Zhang , Yuyin Zhou , Muxuan Liang , Kuang Gong , Wei Shao

The performance of single image super-resolution depends heavily on how to generate and complement high-frequency details to low-resolution images. Recently, diffusion-based DDPM models exhibit great potential in generating high-quality…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Xingjian Wang , Li Chai , Jiming Chen

Combining neuroimaging datasets from multiple sites and scanners can help increase statistical power and thus provide greater insight into subtle neuroanatomical effects. However, site-specific effects pose a challenge by potentially…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Ayodeji Ijishakin , Ana Lawry Aguila , Elizabeth Levitis , Ahmed Abdulaal , Andre Altmann , James Cole

While image generation with diffusion models has achieved a great success, generating images of higher resolution than the training size remains a challenging task due to the high computational cost. Current methods typically perform the…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Zhengqiang Zhang , Ruihuang Li , Lei Zhang

We propose Neural Cellular Automata (NCA) to simulate the microstructure development during the solidification process in metals. Based on convolutional neural networks, NCA can learn essential solidification features, such as preferred…

材料科学 · 物理学 2023-09-08 Jian Tang , Siddhant Kumar , Laura De Lorenzis , Ehsan Hosseini

We show that diffusion models can achieve image sample quality superior to the current state-of-the-art generative models. We achieve this on unconditional image synthesis by finding a better architecture through a series of ablations. For…

机器学习 · 计算机科学 2021-06-02 Prafulla Dhariwal , Alex Nichol

The scarcity of publicly available medical imaging data limits the development of effective AI models. This work proposes a memory-efficient patch-wise denoising diffusion probabilistic model (DDPM) for generating synthetic medical images,…

图像与视频处理 · 电气工程与系统科学 2024-10-17 Kathrin Khadra , Utku Türkbey

Blind Image Quality Assessment (BIQA) aims to evaluate image quality in line with human perception, without reference benchmarks. Currently, deep learning BIQA methods typically depend on using features from high-level tasks for transfer…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Xudong Li , Jingyuan Zheng , Runze Hu , Yan Zhang , Ke Li , Yunhang Shen , Xiawu Zheng , Yutao Liu , ShengChuan Zhang , Pingyang Dai , Rongrong Ji

Diffusion models have achieved remarkable success in image synthesis, but the generated high-quality images raise concerns about potential malicious use. Existing detectors often struggle to capture discriminative clues across different…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Daichi Zhang , Tong Zhang , Shiming Ge , Sabine Süsstrunk

Deep neural networks (DNNs) are frequently employed in a variety of computer vision applications. Nowadays, an emerging trend in the current video distribution system is to take advantage of DNN's overfitting properties to perform video…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Gen Li , Zhihao Shu , Jie Ji , Minghai Qin , Fatemeh Afghah , Wei Niu , Xiaolong Ma

Computed tomography (CT) is widely used in scientific imaging systems such as synchrotron and laboratory-based nano-CT, but acquiring full-view sinograms requires high radiation dose and long scan times. Sparse-view CT reduces this burden…

图像与视频处理 · 电气工程与系统科学 2026-02-10 Jiaze E , Srutarshi Banerjee , Tekin Bicer , Guannan Wang , Yanfu Zhang , Bin Ren

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

Deep denoising models require extensive real-world training data, which is challenging to acquire. Current noise synthesis techniques struggle to accurately model complex noise distributions. We propose a novel Realistic Noise Synthesis…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Qi Wu , Mingyan Han , Ting Jiang , Chengzhi Jiang , Jinting Luo , Man Jiang , Haoqiang Fan , Shuaicheng Liu

Recently, diffusion models (DMs) have made significant strides in high-quality image generation. However, the multi-step denoising process often results in considerable computational overhead, impeding deployment on resource-constrained…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Yu-Shan Tai , An-Yeu , Wu

Diffusion models have recently gained unprecedented attention in the field of image synthesis due to their remarkable generative capabilities. Notwithstanding their prowess, these models often incur substantial computational costs,…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Xinyin Ma , Gongfan Fang , Xinchao Wang

State-of-the-art deep learning methods for image processing are evolving into increasingly complex meta-architectures with a growing number of modules. Among them, region-based fully convolutional networks (R-FCN) and deformable…

计算机视觉与模式识别 · 计算机科学 2019-02-21 Stephen Morrell , Zbigniew Wojna , Can Son Khoo , Sebastien Ourselin , Juan Eugenio Iglesias

Through Diffusion Models (DMs), we have made significant advances in generating high-quality images. Our exploration of these models delves deeply into their core operational principles by systematically investigating key aspects across…

机器学习 · 计算机科学 2024-02-22 Karam Ghanem , Danilo Bzdok

Face animation has achieved much progress in computer vision. However, prevailing GAN-based methods suffer from unnatural distortions and artifacts due to sophisticated motion deformation. In this paper, we propose a Face Animation…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Bohan Zeng , Xuhui Liu , Sicheng Gao , Boyu Liu , Hong Li , Jianzhuang Liu , Baochang Zhang