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Monocular depth estimation, which plays a key role in understanding 3D scene geometry, is fundamentally an ill-posed problem. Existing methods based on deep convolutional neural networks (DCNNs) have examined this problem by learning…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Huan Fu , Mingming Gong , Chaohui Wang , Dacheng Tao

Deep learning has made significant progress in computer vision, specifically in image classification, object detection, and semantic segmentation. The skip connection has played an essential role in the architecture of deep neural…

Image and Video Processing · Electrical Eng. & Systems 2025-08-11 Guoping Xu , Xiaxia Wang , Xinglong Wu , Xuesong Leng , Yongchao Xu

Most state-of-the-art methods for medical image segmentation adopt the encoder-decoder architecture. However, this U-shaped framework still has limitations in capturing the non-local multi-scale information with a simple skip connection. To…

Image and Video Processing · Electrical Eng. & Systems 2023-12-27 Haonan Wang , Peng Cao , Xiaoli Liu , Jinzhu Yang , Osmar Zaiane

Monocular depth estimation plays a crucial role in 3D recognition and understanding. One key limitation of existing approaches lies in their lack of structural information exploitation, which leads to inaccurate spatial layout,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Tian Chen , Shijie An , Yuan Zhang , Chongyang Ma , Huayan Wang , Xiaoyan Guo , Wen Zheng

Medical image segmentation is a critical task in computer vision, with UNet serving as a milestone architecture. The typical component of UNet family is the skip connection, however, their skip connections face two significant limitations:…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Quansong He , Xiangde Min , Kaishen Wang , Tao He

Skip connections are central to U-Net architectures for image denoising, but standard concatenation doubles channel dimensionality and obscures information flow, allowing uncontrolled noise transfer. We propose the Additive U-Net, which…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Vikram R Lakkavalli

Currently, the telehealth monitoring field has gained huge attention due to its noteworthy use in day-to-day life. This advancement has led to an increase in the data collection of electrophysiological signals. Due to this advancement,…

Signal Processing · Electrical Eng. & Systems 2023-03-29 Raghavendra Badiger , M. Prabhakar

As an essential prerequisite for developing a medical intelligent assistant system, medical image segmentation has received extensive research and concentration from the neural network community. A series of UNet-like networks with…

Image and Video Processing · Electrical Eng. & Systems 2022-05-25 Ledan Qian , Xiao Zhou , Yi Li , Zhongyi Hu

U-Net models with encoder, decoder, and skip-connections components have demonstrated effectiveness in a variety of vision tasks. The skip-connections transmit fine-grained information from the encoder to the decoder. It is necessary to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Lingxiao Yin , Wei Tao , Dongyue Zhao , Tadayuki Ito , Kinya Osa , Masami Kato , Tse-Wei Chen

Recent progress in semantic segmentation has been driven by improving the spatial resolution under Fully Convolutional Networks (FCNs). To address this problem, we propose a Stacked Deconvolutional Network (SDN) for semantic segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Jun Fu , Jing Liu , Yuhang Wang , Hanqing Lu

Convolutional neural networks (CNN) have shown state-of-the-art results for low-level computer vision problems such as stereo and monocular disparity estimations, but still, have much room to further improve their performance in terms of…

Image and Video Processing · Electrical Eng. & Systems 2019-03-22 Juan Luis Gonzalez Bello , Munchurl Kim

Most recent semantic segmentation methods adopt a U-Net framework with an encoder-decoder architecture. It is still challenging for U-Net with a simple skip connection scheme to model the global multi-scale context: 1) Not each skip…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Haonan Wang , Peng Cao , Jiaqi Wang , Osmar R. Zaiane

Decoding brain signals accurately and efficiently is crucial for intra-cortical brain-computer interfaces. Traditional decoding approaches based on neural activity vector features suffer from low accuracy, whereas deep learning based…

Human-Computer Interaction · Computer Science 2025-04-15 Song Yang , Haotian Fu , Herui Zhang , Peng Zhang , Wei Li , Dongrui Wu

In medical imaging, there are clinically relevant segmentation tasks where the output mask is a projection to a subset of input image dimensions. In this work, we propose a novel convolutional neural network architecture that can…

Image and Video Processing · Electrical Eng. & Systems 2021-08-03 Dmitrii Lachinov , Philipp Seeboeck , Julia Mai , Ursula Schmidt-Erfurth , Hrvoje Bogunovic

In this work we introduce a biologically inspired long-range skip connection for the UNet architecture that relies on the perceptual illusion of hybrid images, being images that simultaneously encode two images. The fusion of early encoder…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Nikolaos Zioulis , Georgios Albanis , Petros Drakoulis , Federico Alvarez , Dimitrios Zarpalas , Petros Daras

This paper develops a novel encoder-decoder deep network architecture which exploits the several contextual frames of 2D+t sequential images in a sliding window centered at current frame to segment 2D vessel masks from the current frame.…

Computer Vision and Pattern Recognition · Computer Science 2021-02-11 Dongdong Hao , Song Ding , Linwei Qiu , Yisong Lv , Baowei Fei , Yueqi Zhu , Binjie Qin

Estimating depth from a monocular image is an ill-posed problem: when the camera projects a 3D scene onto a 2D plane, depth information is inherently and permanently lost. Nevertheless, recent work has shown impressive results in estimating…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Jagpreet Chawla , Nikhil Thakurdesai , Anuj Godase , Md Reza , David Crandall , Soon-Heung Jung

Monocular depth estimation using Convolutional Neural Networks (CNNs) has shown impressive performance in outdoor driving scenes. However, self-supervised learning of indoor depth from monocular sequences is quite challenging for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Chao Fan , Zhenyu Yin , Yue Li , Feiqing Zhang

Spiking neural networks (SNNs) have gained attention as a promising alternative to traditional artificial neural networks (ANNs) due to their potential for energy efficiency and their ability to model spiking behavior in biological systems.…

Neural and Evolutionary Computing · Computer Science 2023-03-27 Hadjer Benmeziane , Amine Ziad Ounnoughene , Imane Hamzaoui , Younes Bouhadjar

The residual network is now one of the most effective structures in deep learning, which utilizes the skip connections to ``guarantee" the performance will not get worse. However, the non-convexity of the neural network makes it unclear…

Machine Learning · Computer Science 2020-06-11 Lifu Wang , Bo Shen , Ning Zhao , Zhiyuan Zhang