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A potent class of generative models known as Diffusion Probabilistic Models (DPMs) has become prominent. A forward diffusion process adds gradually noise to data, while a model learns to gradually denoise. Sampling from pre-trained DPMs is…

Machine Learning · Computer Science 2023-10-27 Martin Gonzalez , Nelson Fernandez , Thuy Tran , Elies Gherbi , Hatem Hajri , Nader Masmoudi

Medical image analysis plays a pivotal role in the early diagnosis of diseases such as skin lesions. However, the scarcity of data and the class imbalance significantly hinder the performance of deep learning models. We propose a novel…

Image and Video Processing · Electrical Eng. & Systems 2025-07-29 Zhaobin Xu

Diffusion models have revolutionized image generation in recent years, yet they are still limited to a few sizes and aspect ratios. We propose ElasticDiffusion, a novel training-free decoding method that enables pretrained text-to-image…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Moayed Haji-Ali , Guha Balakrishnan , Vicente Ordonez

Accurate intraoperative and postoperative diagnosis of spread through air spaces (STAS) is essential for guiding surgical decisions and postoperative management in lung cancer. However, histopathological assessment is labor-intensive and is…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Liangrui Pan , Jiadi Luo , Yuxuan Xiao , Chenchen Nie , Xiaoshuai Wu , Songqing Fan , Ling Chu , Manqiu Li , Rongfang He , Zhenyu Zhao , Ruixing Wang , Shulin Liu , Yiyi Liang , Xiang Wang , Qingchun Liang , Shaoliang Peng

Generative models, such as GANs and diffusion models, have been used to augment training sets and boost performances in different tasks. We focus on generative models for cell detection instead, i.e., locating and classifying cells in given…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Chen Li , Xiaoling Hu , Shahira Abousamra , Meilong Xu , Chao Chen

Generative diffusion models have achieved remarkable success in producing high-quality images. However, these models typically operate in continuous intensity spaces, diffusing independently across pixels and color channels. As a result,…

Graphics · Computer Science 2025-05-20 Javier E. Santos , Agnese Marcato , Roman Colman , Nicholas Lubbers , Yen Ting Lin

Optoacoustic tomography image reconstruction has been a problem of interest in recent years. By exploiting the exceptional generative power of the recently proposed diffusion models we consider a scheme which is based on a conditional…

Image and Video Processing · Electrical Eng. & Systems 2024-11-26 Martin G. Gonzalez , Matias Vera , Leonardo Rey Vega

Generative steganography is the process of hiding secret messages in generated images instead of cover images. Existing studies on generative steganography use GAN or Flow models to obtain high hiding message capacity and anti-detection…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Daegyu Kim , Chaehun Shin , Jooyoung Choi , Dahuin Jung , Sungroh Yoon

The advent of next-generation sequencing-based spatially resolved transcriptomics (SRT) techniques has reshaped genomic studies by enabling high-throughput gene expression profiling while preserving spatial and morphological context.…

Applications · Statistics 2025-02-20 Bencong Zhu , Alberto Cassese , Marina Vannucci , Michele Guindani , Qiwei Li

In order to understand the complexities of cellular biology, researchers are interested in two important metrics: the genetic expression information of cells and their spatial coordinates within a tissue sample. However, state-of-the art…

Machine Learning · Computer Science 2023-11-02 J. Ding , S. N. Zaman , P. Y. Chen , D. Wang

Generating realistic synthetic microscopy images is critical for training deep learning models in label-scarce environments, such as cell counting with many cells per image. However, traditional domain adaptation methods often struggle to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Mohammad Dehghanmanshadi , Wallapak Tavanapong

Recent studies shows that the majority of existing deep steganalysis models have a large amount of redundancy, which leads to a huge waste of storage and computing resources. The existing model compression method cannot flexibly compress…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Shunquan Tan , Qiushi Li , Laiyuan Li , Bin Li , Jiwu Huang

Immunohistochemical (IHC) staining serves as a valuable technique for detecting specific antigens or proteins through antibody-mediated visualization. However, the IHC staining process is both time-consuming and costly. To address these…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Zetong Chen , Yuzhuo Chen , Hai Zhong , Xu Qiao

Recent years have witnessed remarkable progress in multimodal learning within computational pathology. Existing models primarily rely on vision and language modalities; however, language alone lacks molecular specificity and offers limited…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Minghao Han , Dingkang Yang , Linhao Qu , Zizhi Chen , Gang Li , Han Wang , Jiacong Wang , Lihua Zhang

Synthetic data generation in histopathology faces unique challenges: preserving tissue heterogeneity, capturing subtle morphological features, and scaling to unannotated datasets. We present a latent diffusion model that generates realistic…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Saghir Alfasly , Wataru Uegami , MD Enamul Hoq , Ghazal Alabtah , H. R. Tizhoosh

Edge detection is typically viewed as a pixel-level classification problem mainly addressed by discriminative methods. Recently, generative edge detection methods, especially diffusion model based solutions, are initialized in the edge…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Caixia Zhou , Yaping Huang , Mochu Xiang , Jiahui Ren , Haibin Ling , Jing Zhang

Accurate reconstruction of global Sea surface temperature (SST), which dominates the air-sea coupling and global climate variability, underpins climate monitoring and prediction. Existing SST reconstruction products primarily provide one…

Atmospheric and Oceanic Physics · Physics 2026-03-24 Haijie Li , Ya Wang , Kai Yang , Gang Huang , Xiangao Xia , Ziming Chen , Weichen Tao , Chenglin Lyu , Lin Chen , Miao Zhang , Kaiming Hu , Hainan Gong , Disong Fu , Lin Wang

Scene Text Image Super-Resolution (STISR) aims to enhance the resolution and legibility of text within low-resolution (LR) images, consequently elevating recognition accuracy in Scene Text Recognition (STR). Previous methods predominantly…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Yuxuan Zhou , Liangcai Gao , Zhi Tang , Baole Wei

Recent advances in Spatial Transcriptomics (ST) pair histology images with spatially resolved gene expression profiles, enabling predictions of gene expression across different tissue locations based on image patches. This opens up new…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Aniruddha Ganguly , Debolina Chatterjee , Wentao Huang , Jie Zhang , Alisa Yurovsky , Travis Steele Johnson , Chao Chen

Diffusion model-based generative image steganography (DM-GIS) is an emerging paradigm that leverages the generative power of diffusion models to conceal secret messages without requiring pre-existing cover images. In this paper, we identify…

Cryptography and Security · Computer Science 2026-03-05 Jiahao Zhu , Zixuan Chen , Jiali Liu , Weiqi Luo , Yi Zhou , Xiaohua Xie