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Recent years have witnessed the remarkable performance of diffusion models in various vision tasks. However, for image restoration that aims to recover clear images with sharper details from given degraded observations, diffusion-based…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Liyan Wang , Qinyu Yang , Cong Wang , Wei Wang , Jinshan Pan , Zhixun Su

Low-dose CT (LDCT) images are often accompanied by significant noise, which negatively impacts image quality and subsequent diagnostic accuracy. To address the challenges of multi-scale feature fusion and diverse noise distribution patterns…

Image and Video Processing · Electrical Eng. & Systems 2025-05-20 Zhiting Zheng , Shuqi Wu , Wen Ding

Computer vision is difficult, partly because the desired mathematical function connecting input and output data is often complex, fuzzy and thus hard to learn. Coarse-to-fine (C2F) learning is a promising direction, but it remains unclear…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Xutong Ren , Lingxi Xie , Chen Wei , Siyuan Qiao , Chi Su , Jiaying Liu , Qi Tian , Elliot K. Fishman , Alan L. Yuille

In this paper, we propose a new operator, called 3D DeFormable Attention (DFA3D), for 2D-to-3D feature lifting, which transforms multi-view 2D image features into a unified 3D space for 3D object detection. Existing feature lifting…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Hongyang Li , Hao Zhang , Zhaoyang Zeng , Shilong Liu , Feng Li , Tianhe Ren , Lei Zhang

Deep CNN-based methods have so far achieved the state of the art results in multi-view 3D object reconstruction. Despite the considerable progress, the two core modules of these methods - multi-view feature extraction and fusion, are…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Dan Wang , Xinrui Cui , Xun Chen , Zhengxia Zou , Tianyang Shi , Septimiu Salcudean , Z. Jane Wang , Rabab Ward

Vision Transformers are very popular nowadays due to their state-of-the-art performance in several computer vision tasks, such as image classification and action recognition. Although their performance has been greatly enhanced through…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Dimitrios Konstantinidis , Ilias Papastratis , Kosmas Dimitropoulos , Petros Daras

Transformer-based large pre-trained models have shown remarkable generalization ability, and various parameter-efficient fine-tuning (PEFT) methods have been proposed to customize these models on downstream tasks with minimal computational…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Zichen Miao , Wei Chen , Qiang Qiu

Detection Transformers represent end-to-end object detection approaches based on a Transformer encoder-decoder architecture, exploiting the attention mechanism for global relation modeling. Although Detection Transformers deliver results on…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Bastian Wittmann , Fernando Navarro , Suprosanna Shit , Bjoern Menze

Monocular scene reconstruction from posed images is challenging due to the complexity of a large environment. Recent volumetric methods learn to directly predict the TSDF volume and have demonstrated promising results in this task. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Weihao Yuan , Xiaodong Gu , Heng Li , Zilong Dong , Siyu Zhu

For surgical planning and intra-operation imaging, CT reconstruction using X-ray images can potentially be an important alternative when CT imaging is not available or not feasible. In this paper, we aim to use biplanar X-rays to…

Image and Video Processing · Electrical Eng. & Systems 2024-08-20 Zhi Qiao , Hanqiang Ouyang , Dongheng Chu , Huishu Yuan , Xiantong Zhen , Pei Dong , Zhen Qian

Accurate and computationally efficient 3D medical image segmentation remains a critical challenge in clinical workflows. Transformer-based architectures often demonstrate superior global contextual modeling but at the expense of excessive…

Image and Video Processing · Electrical Eng. & Systems 2026-02-19 Kavyansh Tyagi , Vishwas Rathi , Puneet Goyal

Passage reranking is a critical task in various applications, particularly when dealing with large volumes of documents. Existing neural architectures have limitations in retrieving the most relevant passage for a given question because the…

Computation and Language · Computer Science 2024-03-22 Hongyin Zhu

Vision Transformer and its variants have demonstrated great potential in various computer vision tasks. But conventional vision transformers often focus on global dependency at a coarse level, which suffer from a learning challenge on…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Yunhao Wang , Huixin Sun , Xiaodi Wang , Bin Zhang , Chao Li , Ying Xin , Baochang Zhang , Errui Ding , Shumin Han

This paper presents ViewFormer, a simple yet effective model for multi-view 3d shape recognition and retrieval. We systematically investigate the existing methods for aggregating multi-view information and propose a novel ``view set"…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Hongyu Sun , Yongcai Wang , Peng Wang , Xudong Cai , Deying Li

Transformer-based models have revolutionized the field of image super-resolution (SR) by harnessing their inherent ability to capture complex contextual features. The overlapping rectangular shifted window technique used in transformer…

Image and Video Processing · Electrical Eng. & Systems 2024-03-26 Abhisek Ray , Gaurav Kumar , Maheshkumar H. Kolekar

Fine-tuning plays a crucial role in adapting models to downstream tasks with minimal training efforts. However, the rapidly increasing size of foundation models poses a daunting challenge for accommodating foundation model fine-tuning in…

Machine Learning · Computer Science 2025-04-18 Shiwei Ding , Lan Zhang , Zhenlin Wang , Giuseppe Ateniese , Xiaoyong Yuan

This paper addresses the problem of large-scale image retrieval. We propose a two-layer fusion method which takes advantage of global and local cues and ranks database images from coarse to fine (C2F). Departing from the previous methods…

Multimedia · Computer Science 2016-07-05 Gaipeng Kong , Le Dong , Wenpu Dong , Liang Zheng , Qi Tian

Despite recent advancements in the Large Reconstruction Model (LRM) demonstrating impressive results, when extending its input from single image to multiple images, it exhibits inefficiencies, subpar geometric and texture quality, as well…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Mengfei Li , Xiaoxiao Long , Yixun Liang , Weiyu Li , Yuan Liu , Peng Li , Wenhan Luo , Wenping Wang , Yike Guo

Recent works on multi-modal emotion recognition move towards end-to-end models, which can extract the task-specific features supervised by the target task compared with the two-phase pipeline. However, previous methods only model the…

Computation and Language · Computer Science 2022-09-21 Yang Wu , Pai Peng , Zhenyu Zhang , Yanyan Zhao , Bing Qin

Deep learning technology has made great progress in multi-view 3D reconstruction tasks. At present, most mainstream solutions establish the mapping between views and shape of an object by assembling the networks of 2D encoder and 3D decoder…

Computer Vision and Pattern Recognition · Computer Science 2023-05-15 Zhenwei Zhu , Liying Yang , Xuxin Lin , Chaohao Jiang , Ning Li , Lin Yang , Yanyan Liang
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