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Transfer learning has gained attention in medical image analysis due to limited annotated 3D medical datasets for training data-driven deep learning models in the real world. Existing 3D-based methods have transferred the pre-trained models…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Eunji Jun , Seungwoo Jeong , Da-Woon Heo , Heung-Il Suk

Vision Transformers (ViT)s have recently become popular due to their outstanding modeling capabilities, in particular for capturing long-range information, and scalability to dataset and model sizes which has led to state-of-the-art…

Image and Video Processing · Electrical Eng. & Systems 2022-04-06 Ali Hatamizadeh , Ziyue Xu , Dong Yang , Wenqi Li , Holger Roth , Daguang Xu

Scanpath prediction in 360{\deg} images can help realize rapid rendering and better user interaction in Virtual/Augmented Reality applications. However, existing scanpath prediction models for 360{\deg} images execute scanpath prediction on…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Rong Quan , Yantao Lai , Mengyu Qiu , Dong Liang

We introduce a convolutional neural network for inferring a compact disentangled graphical description of objects from 2D images that can be used for volumetric reconstruction. The network comprises an encoder and a twin-tailed decoder. The…

Computer Vision and Pattern Recognition · Computer Science 2016-10-13 Edward Grant , Pushmeet Kohli , Marcel van Gerven

In recent years, many video tasks have achieved breakthroughs by utilizing the vision transformer and establishing spatial-temporal decoupling for feature extraction. Although multi-view 3D reconstruction also faces multiple images as…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Zhenwei Zhu , Liying Yang , Ning Li , Chaohao Jiang , Yanyan Liang

Vision Transformer shows great superiority in medical image segmentation due to the ability in learning long-range dependency. For medical image segmentation from 3D data, such as computed tomography (CT), existing methods can be broadly…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Sucheng Ren , Xiaomeng Li

This paper does not attempt to design a state-of-the-art method for visual recognition but investigates a more efficient way to make use of convolutions to encode spatial features. By comparing the design principles of the recent…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Qibin Hou , Cheng-Ze Lu , Ming-Ming Cheng , Jiashi Feng

3D reconstruction of hand-object manipulations is important for emulating human actions. Most methods dealing with challenging object manipulation scenarios, focus on hands reconstruction in isolation, ignoring physical and kinematic…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Ahmed Tawfik Aboukhadra , Jameel Malik , Nadia Robertini , Ahmed Elhayek , Didier Stricker

We present WidthFormer, a novel transformer-based module to compute Bird's-Eye-View (BEV) representations from multi-view cameras for real-time autonomous-driving applications. WidthFormer is computationally efficient, robust and does not…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Chenhongyi Yang , Tianwei Lin , Lichao Huang , Elliot J. Crowley

Recently, a variety of vision transformers have been developed as their capability of modeling long-range dependency. In current transformer-based backbones for medical image segmentation, convolutional layers were replaced with pure…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Huimin Huang , Shiao Xie1 , Lanfen Lin , Yutaro Iwamoto , Xianhua Han , Yen-Wei Chen , Ruofeng Tong

Neural implicit functions have achieved impressive results for reconstructing 3D shapes from single images. However, the image features for describing 3D point samplings of implicit functions are less effective when significant variations…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Yixin Zhuang , Yunzhe Liu , Yujie Wang , Baoquan Chen

Recent Transformer-based 3D object detectors learn point cloud features either from point- or voxel-based representations. However, the former requires time-consuming sampling while the latter introduces quantization errors. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Honghui Yang , Wenxiao Wang , Minghao Chen , Binbin Lin , Tong He , Hua Chen , Xiaofei He , Wanli Ouyang

Monocular 3D face reconstruction plays a crucial role in avatar generation, with significant demand in web-related applications such as generating virtual financial advisors in FinTech. Current reconstruction methods predominantly rely on…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Haoxin Xu , Zezheng Zhao , Yuxin Cao , Chunyu Chen , Hao Ge , Ziyao Liu

We present an approach for the planar surface reconstruction of a scene from images with limited overlap. This reconstruction task is challenging since it requires jointly reasoning about single image 3D reconstruction, correspondence…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Samir Agarwala , Linyi Jin , Chris Rockwell , David F. Fouhey

The increasing efficiency and compactness of deep learning architectures, together with hardware improvements, have enabled the complex and high-dimensional modelling of medical volumetric data at higher resolutions. Recently,…

Image and Video Processing · Electrical Eng. & Systems 2020-02-14 Petru-Daniel Tudosiu , Thomas Varsavsky , Richard Shaw , Mark Graham , Parashkev Nachev , Sebastien Ourselin , Carole H. Sudre , M. Jorge Cardoso

In this paper a semi-supervised deep framework is proposed for the problem of 3D shape inverse rendering from a single 2D input image. The main structure of proposed framework consists of unsupervised pre-trained components which…

Computer Vision and Pattern Recognition · Computer Science 2017-11-17 Shima Kamyab , S. Zohreh Azimifar

Transformers have demonstrated remarkable performance in natural language processing and computer vision. However, existing vision Transformers struggle to learn from limited medical data and are unable to generalize on diverse medical…

Image and Video Processing · Electrical Eng. & Systems 2023-04-06 Yunhe Gao , Mu Zhou , Di Liu , Zhennan Yan , Shaoting Zhang , Dimitris N. Metaxas

We present DFormer, a novel RGB-D pretraining framework to learn transferable representations for RGB-D segmentation tasks. DFormer has two new key innovations: 1) Unlike previous works that encode RGB-D information with RGB pretrained…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Bowen Yin , Xuying Zhang , Zhongyu Li , Li Liu , Ming-Ming Cheng , Qibin Hou

Accurate 3D shape abstraction from a single 2D image is a long-standing problem in computer vision and graphics. By leveraging a set of primitives to represent the target shape, recent methods have achieved promising results. However, these…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Di Liu , Xiang Yu , Meng Ye , Qilong Zhangli , Zhuowei Li , Zhixing Zhang , Dimitris N. Metaxas

Panoramic distortion poses a significant challenge in 360 depth estimation, particularly pronounced at the north and south poles. Existing methods either adopt a bi-projection fusion strategy to remove distortions or model long-range…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Junsong Zhang , Zisong Chen , Chunyu Lin , Lang Nie , Zhijie Shen , Kang Liao , Junda Huang , Yao Zhao