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Current multimodal medical image fusion typically assumes that source images are of high quality and perfectly aligned at the pixel level. Its effectiveness heavily relies on these conditions and often deteriorates when handling misaligned…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Dayong Su , Yafei Zhang , Huafeng Li , Jinxing Li , Yu Liu

Multi-modal image stitching can be a difficult feat. That's why, in this paper, we've devised a unique and comprehensive image-stitching pipeline that taps into OpenCV's stitching module. Our approach integrates feature-based matching,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-31 Aritra Dutta , G Suseela , Asmita Sood

Several approaches to image stitching use different constraints to estimate the motion model between image pairs. These constraints can be roughly divided into two categories: geometric constraints and photometric constraints. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-09-19 Kai Chen , Jingmin Tu , Binbin Xiang , Li Li , Jian Yao

Image stitching aims to construct a wide field of view with high spatial resolution, which cannot be achieved in a single exposure. Typically, conventional image stitching techniques, other than deep learning, require complex computation…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Hao Li , Lipo Wang , Tianyun Zhao , Wei Zhao

Robust 3D representation learning forms the perceptual foundation of spatial intelligence, enabling downstream tasks in scene understanding and embodied AI. However, learning such representations directly from unposed multi-view images…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Bo Zhou , Qiuxia Lai , Zeren Sun , Xiangbo Shu , Yazhou Yao , Wenguan Wang

Deep learning has shown significant value in medical image registration for motion correction, however, current techniques are either limited by the type and range of motion they can handle, or require iterative inference and/or retraining…

Image and Video Processing · Electrical Eng. & Systems 2026-05-04 Jian Wang , Razieh Faghihpirayesh , Danny Joca , Polina Golland , Ali Gholipour

Image stitching synthesizes images captured from multiple perspectives into a single image with a broader field of view. The significant variations in object depth often lead to large parallax, resulting in ghosting and misalignment in the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Zhiying Jiang , Ruhao Yan , Zengxi Zhang , Bowei Zhang , Jinyuan Liu

Establishing point-to-point correspondences across multiple 3D shapes is a fundamental problem in computer vision and graphics. In this paper, we introduce DcMatch, a novel unsupervised learning framework for non-rigid multi-shape matching.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Tianwei Ye , Yong Ma , Xiaoguang Mei

Medical imaging segmentation plays a significant role in the automatic recognition and analysis of lesions. State-of-the-art methods, particularly those utilizing transformers, have been prominently adopted in 3D semantic segmentation due…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Shengbo Tan , Zeyu Zhang , Ying Cai , Daji Ergu , Lin Wu , Binbin Hu , Pengzhang Yu , Yang Zhao

This paper presents a simple yet very effective data-driven approach to fuse both low-level and high-level local geometric features for 3D rigid data matching. It is a common practice to generate distinctive geometric descriptors by fusing…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Jiaqi Yang , Chen Zhao , Ke Xian , Angfan Zhu , Zhiguo Cao

Multi-spectral image stitching leverages the complementarity between infrared and visible images to generate a robust and reliable wide field-of-view (FOV) scene. The primary challenge of this task is to explore the relations between…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Zhiying Jiang , Zengxi Zhang , Jinyuan Liu , Xin Fan , Risheng Liu

Recent advances in 3D vision have led to specialized models for either 3D understanding (e.g., shape classification, segmentation, reconstruction) or 3D generation (e.g., synthesis, completion, and editing). However, these tasks are often…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Peng Huang , Yifeng Chen , Zeyu Zhang , Hao Tang

Recent unified image generation models have achieved remarkable success by employing MLLMs for semantic understanding and diffusion backbones for image generation. However, these models remain fundamentally limited in spatially-aware tasks…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Haiyi Qiu , Kaihang Pan , Jiacheng Li , Juncheng Li , Siliang Tang , Yueting Zhuang

This paper presents a new regularization method to train a fully convolutional network for semantic tissue segmentation in histopathological images. This method relies on the benefit of unsupervised learning, in the form of image…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 C. T. Sari , C. Sokmensuer , C. Gunduz-Demir

Medical image segmentation has achieved remarkable advancements using deep neural networks (DNNs). However, DNNs often need big amounts of data and annotations for training, both of which can be difficult and costly to obtain. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Hengji Cui , Dong Wei , Kai Ma , Shi Gu , Yefeng Zheng

Current unified multimodal models typically rely on discrete visual tokenizers to bridge the modality gap. However, discretization inevitably discards fine-grained semantic information, leading to suboptimal performance in visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Yaqi Zhao , Wang Lin , Zijian Zhang , Miles Yang , Jingyuan Chen , Wentao Zhang , Zhao Zhong , Liefeng Bo

This study introduces a novel method that transforms multimodal physiological signalsphotoplethysmography (PPG), galvanic skin response (GSR), and acceleration (ACC) into 2D image matrices to enhance stress detection using convolutional…

Machine Learning · Computer Science 2025-09-18 Yasin Hasanpoor , Bahram Tarvirdizadeh , Khalil Alipour , Mohammad Ghamari

Ultrasound (US) image stitching can expand the field-of-view (FOV) by combining multiple US images from varied probe positions. However, registering US images with only partially overlapping anatomical contents is a challenging task. In…

Image and Video Processing · Electrical Eng. & Systems 2024-11-12 Xing Yao , Runxuan Yu , Dewei Hu , Hao Yang , Ange Lou , Jiacheng Wang , Daiwei Lu , Gabriel Arenas , Baris Oguz , Alison Pouch , Nadav Schwartz , Brett C Byram , Ipek Oguz

Depth prediction is a critical problem in robotics applications especially autonomous driving. Generally, depth prediction based on binocular stereo matching and fusion of monocular image and laser point cloud are two mainstream methods.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Guancheng Chen , Junli Lin , Huabiao Qin

Dense geometric matching determines the dense pixel-wise correspondence between a source and support image corresponding to the same 3D structure. Prior works employ an encoder of transformer blocks to correlate the two-frame features.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Shengjie Zhu , Xiaoming Liu