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Affine registration is indispensable in a comprehensive medical image registration pipeline. However, only a few studies focus on fast and robust affine registration algorithms. Most of these studies utilize convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Tony C. W. Mok , Albert C. S. Chung

Amodal object segmentation is a challenging task that involves segmenting both visible and occluded parts of an object. In this paper, we propose a novel approach, called Coarse-to-Fine Segmentation (C2F-Seg), that addresses this problem by…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Jianxiong Gao , Xuelin Qian , Yikai Wang , Tianjun Xiao , Tong He , Zheng Zhang , Yanwei Fu

The success of deep learning methods led to significant breakthroughs in 3-D point cloud processing tasks with applications in remote sensing. Existing methods utilize convolutions that have some limitations, as they assume a uniform input…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Dimple A Shajahan , Mukund Varma T , Ramanathan Muthuganapathy

Multi-view diffusion models, obtained by applying Supervised Finetuning (SFT) to text-to-image diffusion models, have driven recent breakthroughs in text-to-3D research. However, due to the limited size and quality of existing 3D datasets,…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Desai Xie , Jiahao Li , Hao Tan , Xin Sun , Zhixin Shu , Yi Zhou , Sai Bi , Sören Pirk , Arie E. Kaufman

Small inter-class and large intra-class variations are the main challenges in fine-grained visual classification. Objects from different classes share visually similar structures and objects in the same class can have different poses and…

计算机视觉与模式识别 · 计算机科学 2019-09-09 Amir Erfan Eshratifar , David Eigen , Michael Gormish , Massoud Pedram

Recent advances in vision transformers (ViTs) have achieved great performance in visual recognition tasks. Convolutional neural networks (CNNs) exploit spatial inductive bias to learn visual representations, but these networks are spatially…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Youpeng Zhao , Huadong Tang , Yingying Jiang , Yong A , Qiang Wu

Image editing techniques have rapidly advanced, facilitating both innovative use cases and malicious manipulation of digital images. Deep learning-based methods have recently achieved high accuracy in pixel-level forgery localization, yet…

计算机视觉与模式识别 · 计算机科学 2025-06-27 Ju-Hyeon Nam , Dong-Hyun Moon , Sang-Chul Lee

Vision Transformers (ViT) have made many breakthroughs in computer vision tasks. However, considerable redundancy arises in the spatial dimension of an input image, leading to massive computational costs. Therefore, We propose a…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Mengzhao Chen , Mingbao Lin , Ke Li , Yunhang Shen , Yongjian Wu , Fei Chao , Rongrong Ji

This study proposes a 3D semantic segmentation method for the spine based on the improved SwinUNETR to improve segmentation accuracy and robustness. Aiming at the complex anatomical structure of spinal images, this paper introduces a…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Yanlin Xiang , Qingyuan He , Ting Xu , Ran Hao , Jiacheng Hu , Hanchao Zhang

Extracting robust feature representation is critical for object re-identification to accurately identify objects across non-overlapping cameras. Although having a strong representation ability, the Vision Transformer (ViT) tends to overfit…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Lei Tan , Pingyang Dai , Jie Chen , Liujuan Cao , Yongjian Wu , Rongrong Ji

Existing low-rank tensor completion (LRTC) approaches aim at restoring a partially observed tensor by imposing a global low-rank constraint on the underlying completed tensor. However, such a global rank assumption suffers the trade-off…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Rui Lin , Cong Chen , Ngai Wong

Photo-realistic scene reconstruction from sparse-view, uncalibrated images is highly required in practice. Although some successes have been made, existing methods are either Sparse-View but require accurate camera parameters (i.e.,…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Xudong Cai , Yongcai Wang , Zhaoxin Fan , Deng Haoran , Shuo Wang , Wanting Li , Deying Li , Lun Luo , Minhang Wang , Jintao Xu

Transformer-based 3D reconstruction has emerged as a powerful paradigm for recovering geometry and appearance from multi-view observations, offering strong performance across challenging visual conditions. As these models scale to larger…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Haoyu Zhang , Zeyu Zhang , Zedong Zhou , Yang Zhao , Hao Tang

Low-dose computed tomography (LDCT) denoising is an important problem in CT research. Compared to the normal dose CT (NDCT), LDCT images are subjected to severe noise and artifacts. Recently in many studies, vision transformers have shown…

图像与视频处理 · 电气工程与系统科学 2023-03-29 Dayang Wang , Fenglei Fan , Zhan Wu , Rui Liu , Fei Wang , Hengyong Yu

Camouflaged object detection (COD) is a challenging task due to the low boundary contrast between the object and its surroundings. In addition, the appearance of camouflaged objects varies significantly, e.g., object size and shape,…

计算机视觉与模式识别 · 计算机科学 2021-05-27 Yujia Sun , Geng Chen , Tao Zhou , Yi Zhang , Nian Liu

Vision Transformer (ViT) self-attention mechanism is characterized by feature collapse in deeper layers, resulting in the vanishing of low-level visual features. However, such features can be helpful to accurately represent and identify…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Anxhelo Diko , Danilo Avola , Marco Cascio , Luigi Cinque

Attention-based beamformers have recently been shown to be effective for multi-channel speech recognition. However, they are less capable at capturing local information. In this work, we propose a 2D Conv-Attention module which combines…

音频与语音处理 · 电气工程与系统科学 2021-05-18 Bhargav Pulugundla , Yang Gao , Brian King , Gokce Keskin , Harish Mallidi , Minhua Wu , Jasha Droppo , Roland Maas

Transformers are built upon multi-head scaled dot-product attention and positional encoding, which aim to learn the feature representations and token dependencies. In this work, we focus on enhancing the distinctive representation by…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Litao Yu , Jian Zhang

Feature fusion plays a pivotal role in achieving high performance in vision models, yet existing attention-based fusion techniques often suffer from substantial computational overhead and implementation complexity, particularly in…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Junyi Hu , Tian Bai , Fengyi Wu , Zhenming Peng , Yi Zhang

We present a Multimodal Interlaced Transformer (MIT) that jointly considers 2D and 3D data for weakly supervised point cloud segmentation. Research studies have shown that 2D and 3D features are complementary for point cloud segmentation.…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Cheng-Kun Yang , Min-Hung Chen , Yung-Yu Chuang , Yen-Yu Lin