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Traditional CNN models are trained and tested on relatively low resolution images (<300 px), and cannot be directly operated on large-scale images due to compute and memory constraints. We propose Patch Gradient Descent (PatchGD), an…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Deepak K. Gupta , Gowreesh Mago , Arnav Chavan , Dilip K. Prasad

Automated diagnosis of Alzheimer Disease(AD) from brain imaging, such as magnetic resonance imaging (MRI), has become increasingly important and has attracted the community to contribute many deep learning methods. However, many of these…

Image and Video Processing · Electrical Eng. & Systems 2024-03-01 Yifeng Wang , Ke Chen , Haohan Wang

Low-light image enhancement aims to improve the visibility of degraded images to better align with human visual perception. While diffusion-based methods have shown promising performance due to their strong generative capabilities. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Jinhong He , Minglong Xue , Zhipu Liu , Mingliang Zhou , Aoxiang Ning , Palaiahnakote Shivakumara

This paper addresses the problem of building global topological maps from 3D LiDAR point clouds for autonomous mobile robots operating in large-scale, dynamic, and unknown environments. Adaptive Resonance Theory-based Topological Clustering…

Robotics · Computer Science 2025-12-01 Ryosuke Ofuchi , Yuichiro Toda , Naoki Masuyama , Takayuki Matsuno

Advanced Persistent Threats (APTs) pose a major cybersecurity challenge due to their stealth and ability to mimic normal system behavior, making detection particularly difficult in highly imbalanced datasets. Traditional anomaly detection…

Cryptography and Security · Computer Science 2025-02-14 Sidahmed Benabderrahmane , Petko Valtchev , James Cheney , Talal Rahwan

The generation of medical images presents significant challenges due to their high-resolution and three-dimensional nature. Existing methods often yield suboptimal performance in generating high-quality 3D medical images, and there is…

Image and Video Processing · Electrical Eng. & Systems 2025-12-02 Haoshen Wang , Zhentao Liu , Kaicong Sun , Xiaodong Wang , Dinggang Shen , Zhiming Cui

Diffusion models have emerged as a dominant approach for text-to-image generation. Key components such as the human preference alignment and classifier-free guidance play a crucial role in ensuring generation quality. However, their…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Minghao Fu , Guo-Hua Wang , Liangfu Cao , Qing-Guo Chen , Zhao Xu , Weihua Luo , Kaifu Zhang

Automated program repair (APR) aims to fix software bugs automatically without human debugging efforts and plays a crucial role in software development and maintenance. Despite promising, APR is still challenged by a long-standing…

Software Engineering · Computer Science 2024-01-17 Quanjun Zhang , Chunrong Fang , Weisong Sun , Yan Liu , Tieke He , Xiaodong Hao , Zhenyu Chen

Obtaining annotated table structure data for complex tables is a challenging task due to the inherent diversity and complexity of real-world document layouts. The scarcity of publicly available datasets with comprehensive annotations for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Syed Jawwad Haider Hamdani , Saifullah Saifullah , Stefan Agne , Andreas Dengel , Sheraz Ahmed

Image hallucination and super-resolution have been studied for decades, and many approaches have been proposed to upsample low-resolution images using information from the images themselves, multiple example images, or large image…

Computer Vision and Pattern Recognition · Computer Science 2018-06-05 Chieh-Chi Kao , Yuxiang Wang , Jonathan Waltman , Pradeep Sen

Self-supervised masked image modeling (MIM) methods have shown promising performances on analyzing natural images. However, directly applying such methods to medical image segmentation tasks still cannot achieve satisfactory results. The…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Xiangtao Wang , Ruizhi Wang , Thomas Lukasiewicz , Zhenghua Xu

The diffusion transformer (DiT) architecture has attracted significant attention in image generation, achieving better fidelity, performance, and diversity. However, most existing DiT - based image generation methods focus on global - aware…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Zhen Xiong , Yuqi Li , Chuanguang Yang , Tiao Tan , Zhihong Zhu , Siyuan Li , Yue Ma

Due to strict rate and reliability demands, wireless image transmission remains difficult for both classical layered designs and joint source-channel coding (JSCC), especially under low latency. Diffusion-based generative decoders can…

Machine Learning · Computer Science 2026-01-13 Jingwen Fu , Ming Xiao , Mikael Skoglund , Dong In Kim

Computed tomography (CT) is one of the modalities for effective lung cancer screening, diagnosis, treatment, and prognosis. The features extracted from CT images are now used to quantify spatial and temporal variations in tumors. However,…

Image and Video Processing · Electrical Eng. & Systems 2023-03-28 Md Selim , Jie Zhang , Michael A. Brooks , Ge Wang , Jin Chen

State-of-the-art text-to-image diffusion models can produce impressive visuals but may memorize and reproduce training images, creating copyright and privacy risks. Existing prompt perturbations applied at inference time, such as random…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Yunzhuo Chen , Jordan Vice , Naveed Akhtar , Nur Al Hasan Haldar , Ajmal Mian

Large language models (LLMs) often suffer from hallucinations due to error accumulation in autoregressive decoding, where suboptimal early token choices misguide subsequent generation. Although multi-path decoding can improve robustness by…

Computation and Language · Computer Science 2026-05-21 Tianyu Zheng , Hong Wu , Jiaji Zhong

With recent text-to-image models, anyone can generate deceptively realistic images with arbitrary contents, fueling the growing threat of visual disinformation. A key enabler for generating high-resolution images with low computational cost…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Jonas Ricker , Denis Lukovnikov , Asja Fischer

Large-scale pre-training tasks like image classification, captioning, or self-supervised techniques do not incentivize learning the semantic boundaries of objects. However, recent generative foundation models built using text-based latent…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Koutilya Pnvr , Bharat Singh , Pallabi Ghosh , Behjat Siddiquie , David Jacobs

We present a detail-driven deep neural network for point set upsampling. A high-resolution point set is essential for point-based rendering and surface reconstruction. Inspired by the recent success of neural image super-resolution…

Computer Vision and Pattern Recognition · Computer Science 2019-03-22 Wang Yifan , Shihao Wu , Hui Huang , Daniel Cohen-Or , Olga Sorkine-Hornung

Latent Diffusion Models (LDMs) have emerged as powerful generative models, known for delivering remarkable results under constrained computational resources. However, deploying LDMs on resource-limited devices remains a complex issue,…

Machine Learning · Computer Science 2024-04-19 Thibault Castells , Hyoung-Kyu Song , Bo-Kyeong Kim , Shinkook Choi