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In this work, we study the problem of non-blind image deconvolution and propose a novel recurrent network architecture that leads to very competitive restoration results of high image quality. Motivated by the computational efficiency and…

Image and Video Processing · Electrical Eng. & Systems 2021-12-13 Iaroslav Koshelev , Daniil Selikhanovych , Stamatios Lefkimmiatis

Scene parsing is an important and challenging prob- lem in computer vision. It requires labeling each pixel in an image with the category it belongs to. Tradition- ally, it has been approached with hand-engineered features from color…

Machine Learning · Statistics 2014-11-18 Rahul Mohan

Due to strong learning abilities of convolutional neural networks (CNNs), they have become mainstream methods for image super-resolution. However, there are big differences of different deep learning methods with different types. There is…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Chunwei Tian , Mingjian Song , Wangmeng Zuo , Bo Du , Yanning Zhang , Shichao Zhang

While convolutional neural networks (CNNs) and vision transformers (ViTs) have advanced medical image segmentation, they face inherent limitations such as local receptive fields in CNNs and high computational complexity in ViTs. This paper…

Image and Video Processing · Electrical Eng. & Systems 2025-04-02 Pooya Ashtari , Shahryar Noei , Fateme Nateghi Haredasht , Jonathan H. Chen , Giuseppe Jurman , Aleksandra Pizurica , Sabine Van Huffel

Convolutional neural networks (CNNs) have received increasing attention over the last few years. They were initially conceived for image categorization, i.e., the problem of assigning a semantic label to an entire input image. In this paper…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Emmanuel Maggiori , Yuliya Tarabalka , Guillaume Charpiat , Pierre Alliez

In general, image restoration involves mapping from low quality images to their high-quality counterparts. Such optimal mapping is usually non-linear and learnable by machine learning. Recently, deep convolutional neural networks have…

Image and Video Processing · Electrical Eng. & Systems 2019-11-05 Yuan Zhou , Xiaoting Du , Yeda Zhang , Sun-Yuan Kung

Semantic segmentation is the pixel-wise labelling of an image. Since the problem is defined at the pixel level, determining image class labels only is not acceptable, but localising them at the original image pixel resolution is necessary.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Irem Ulku , Erdem Akagunduz

The ability to automatically detect certain types of cells or cellular subunits in microscopy images is of significant interest to a wide range of biomedical research and clinical practices. Cell detection methods have evolved from…

Computer Vision and Pattern Recognition · Computer Science 2018-02-22 Yao Xue , Nilanjan Ray

Convolutional-deconvolution networks can be adopted to perform end-to-end saliency detection. But, they do not work well with objects of multiple scales. To overcome such a limitation, in this work, we propose a recurrent attentional…

Computer Vision and Pattern Recognition · Computer Science 2016-04-13 Jason Kuen , Zhenhua Wang , Gang Wang

Convolutional Neural Networks (CNNs) have been widely applied. But as the CNNs grow, the number of arithmetic operations and memory footprint also increase. Furthermore, typical non-linear activation functions do not allow associativity of…

Machine Learning · Computer Science 2021-11-10 Eduardo Vera Sousa , Leandro A. F. Fernandes , Cristina Nader Vasconcelos

Recent advances in deep learning, especially deep convolutional neural networks (CNNs), have led to significant improvement over previous semantic segmentation systems. Here we show how to improve pixel-wise semantic segmentation by…

Computer Vision and Pattern Recognition · Computer Science 2018-06-04 Panqu Wang , Pengfei Chen , Ye Yuan , Ding Liu , Zehua Huang , Xiaodi Hou , Garrison Cottrell

Semantic segmentation, which refers to pixel-wise classification of an image, is a fundamental topic in computer vision owing to its growing importance in robot vision and autonomous driving industries. It provides rich information about…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Khwaja Monib Sediqi , Hyo Jong Lee

Deconvolution is the most commonly used image processing method to remove the blur caused by the point-spread-function (PSF) in optical imaging systems. While this method has been successful in deblurring, it suffers from several…

Image and Video Processing · Electrical Eng. & Systems 2019-10-10 Huangxuan Zhao , Ziwen Ke , Ningbo Chen , Ke Li , Lidai Wang , Xiaojing Gong , Wei Zheng , Liang Song , Zhicheng Liu , Dong Liang , Chengbo Liu

This work presents Controllable Layer Decomposition (CLD), a method for achieving fine-grained and controllable multi-layer separation of raster images. In practical workflows, designers typically generate and edit each RGBA layer…

Graphics · Computer Science 2025-11-26 Zihao Liu , Zunnan Xu , Shi Shu , Jun Zhou , Ruicheng Zhang , Zhenchao Tang , Xiu Li

Dense prediction tasks typically employ encoder-decoder architectures, but the prevalent convolutions in the decoder are not image-adaptive and can lead to boundary artifacts. Different generalized convolution operations have been…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Anne S. Wannenwetsch , Martin Kiefel , Peter V. Gehler , Stefan Roth

Deep neural networks with alternating convolutional, max-pooling and decimation layers are widely used in state of the art architectures for computer vision. Max-pooling purposefully discards precise spatial information in order to create…

Computer Vision and Pattern Recognition · Computer Science 2016-04-19 Sina Honari , Jason Yosinski , Pascal Vincent , Christopher Pal

We explore design principles for general pixel-level prediction problems, from low-level edge detection to mid-level surface normal estimation to high-level semantic segmentation. Convolutional predictors, such as the fully-convolutional…

Computer Vision and Pattern Recognition · Computer Science 2017-02-27 Aayush Bansal , Xinlei Chen , Bryan Russell , Abhinav Gupta , Deva Ramanan

Deep Convolutional Neural Networks (CNNs) for image classification successively alternate convolutions and downsampling operations, such as pooling layers or strided convolutions, resulting in lower resolution features the deeper the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-29 Ioannis Vezakis , Antonios Vezakis , Sofia Gourtsoyianni , Vassilis Koutoulidis , George K. Matsopoulos , Dimitrios Koutsouris

We address the problem of contour detection via per-pixel classifications of edge point. To facilitate the process, the proposed approach leverages with DenseNet, an efficient implementation of multiscale convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2015-04-09 Jyh-Jing Hwang , Tyng-Luh Liu

The paper introduces the weighted convolution, a novel approach to the convolution for signals defined on regular grids (e.g., 2D images) through the application of an optimal density function to scale the contribution of neighbouring…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Simone Cammarasana , Giuseppe Patanè