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In this work we address the problem of finding reliable pixel-level correspondences under difficult imaging conditions. We propose an approach where a single convolutional neural network plays a dual role: It is simultaneously a dense…

Computer Vision and Pattern Recognition · Computer Science 2019-05-10 Mihai Dusmanu , Ignacio Rocco , Tomas Pajdla , Marc Pollefeys , Josef Sivic , Akihiko Torii , Torsten Sattler

Infrared (IR) imaging has the potential to enable more robust action recognition systems compared to visible spectrum cameras due to lower sensitivity to lighting conditions and appearance variability. While the action recognition task on…

Computer Vision and Pattern Recognition · Computer Science 2017-05-19 Zhuolin Jiang , Viktor Rozgic , Sancar Adali

Semantic segmentation requires methods capable of learning high-level features while dealing with large volume of data. Towards such goal, Convolutional Networks can learn specific and adaptable features based on the data. However, these…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Keiller Nogueira , Mauro Dalla Mura , Jocelyn Chanussot , William R. Schwartz , Jefersson A. dos Santos

Illuminant estimation plays a key role in digital camera pipeline system, it aims at reducing color casting effect due to the influence of non-white illuminant. Recent researches handle this task by using Convolution Neural Network (CNN) as…

Computer Vision and Pattern Recognition · Computer Science 2019-02-14 Yongjie Liu , Sijie Shen

Medical image segmentation is a relevant task as it serves as the first step for several diagnosis processes, thus it is indispensable in clinical usage. Whilst major success has been reported using supervised techniques, they assume a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Lihao Liu , Angelica I Aviles-Rivero , Carola-Bibiane Schönlieb

Convolutional neural networks rely on image texture and structure to serve as discriminative features to classify the image content. Image enhancement techniques can be used as preprocessing steps to help improve the overall image quality…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Vivek Sharma , Ali Diba , Davy Neven , Michael S. Brown , Luc Van Gool , Rainer Stiefelhagen

For millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems, hybrid processing architecture is usually used to reduce the complexity and cost, which poses a very challenging issue in channel estimation. In this paper,…

Information Theory · Computer Science 2021-04-26 Peihao Dong , Hua Zhang , Geoffrey Ye Li , Ivan Simoes Gaspar , Navid NaderiAlizadeh

The representation of consistent mixed reality (XR) environments requires adequate real and virtual illumination composition in real-time. Estimating the lighting of a real scenario is still a challenge. Due to the ill-posed nature of the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Bruno Augusto Dorta Marques , Esteban Walter Gonzalez Clua , Anselmo Antunes Montenegro , Cristina Nader Vasconcelos

Recently, CNN is a popular choice to handle the hyperspectral image classification challenges. In spite of having such large spectral information in Hyper-Spectral Image(s) (HSI), it creates a curse of dimensionality. Also, large spatial…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Jayasree Saha , Yuvraj Khanna , Jayanta Mukherjee

3D Convolutional Neural Networks (CNNs) have been widely adopted for airway segmentation. The performance of 3D CNNs is greatly influenced by the dataset while the public airway datasets are mainly clean CT scans with coarse annotation,…

Image and Video Processing · Electrical Eng. & Systems 2021-09-08 Minghui Zhang , Xin Yu , Hanxiao Zhang , Hao Zheng , Weihao Yu , Hong Pan , Xiangran Cai , Yun Gu

Texture classification is an important and challenging problem in many image processing applications. While convolutional neural networks (CNNs) achieved significant successes for image classification, texture classification remains a…

Computer Vision and Pattern Recognition · Computer Science 2017-07-25 Shin Fujieda , Kohei Takayama , Toshiya Hachisuka

We propose an unsupervised image segmentation approach, that combines a variational energy functional and deep convolutional neural networks. The variational part is based on a recent multichannel multiphase Chan-Vese model, which is…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Nadja Gruber , Johannes Schwab , Sebastien Court , Elke Gizewski , Markus Haltmeier

To accelerate deep CNN models, this paper proposes a novel spatially adaptive framework that can dynamically generate pixel-wise sparsity according to the input image. The sparse scheme is pixel-wise refined, regional adaptive under a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Chen Tang , Wenyu Sun , Zhuqing Yuan , Yongpan Liu

Change detection (CD) aims to find the difference between two images at different times and outputs a change map to represent whether the region has changed or not. To achieve a better result in generating the change map, many…

Computer Vision and Pattern Recognition · Computer Science 2022-12-05 Chao-Peng Chen , Jun-Wei Hsieh , Ping-Yang Chen , Yi-Kuan Hsieh , Bor-Shiun Wang

A unified deep neural network, denoted the multi-scale CNN (MS-CNN), is proposed for fast multi-scale object detection. The MS-CNN consists of a proposal sub-network and a detection sub-network. In the proposal sub-network, detection is…

Computer Vision and Pattern Recognition · Computer Science 2016-07-26 Zhaowei Cai , Quanfu Fan , Rogerio S. Feris , Nuno Vasconcelos

Salient object detection has recently witnessed substantial progress due to powerful features extracted using deep convolutional neural networks (CNNs). However, existing CNN-based methods operate at the patch level instead of the pixel…

Computer Vision and Pattern Recognition · Computer Science 2016-03-08 Guanbin Li , Yizhou Yu

Medical Hyperspectral Imaging (MHSI) offers potential for computational pathology and precision medicine. However, existing CNN and Transformer struggle to balance segmentation accuracy and speed due to high spatial-spectral dimensionality.…

Image and Video Processing · Electrical Eng. & Systems 2025-02-25 Shijie Lin , Boxiang Yun , Wei Shen , Qingli Li , Anqiang Yang , Yan Wang

Syndrome differentiation in Traditional Chinese Medicine (TCM) is the process of understanding and reasoning body condition, which is the essential step and premise of effective treatments. However, due to its complexity and lack of…

Machine Learning · Computer Science 2019-01-23 Zeyuan Wang , Josiah Poon , Shiding Sun , Simon Poon

Robustness and discrimination power are two fundamental requirements in visual object tracking. In most tracking paradigms, we find that the features extracted by the popular Siamese-like networks cannot fully discriminatively model the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Fei Xie , Chunyu Wang , Guangting Wang , Yue Cao , Wankou Yang , Wenjun Zeng

Estimating depth from a single RGB image is an ill-posed and inherently ambiguous problem. State-of-the-art deep learning methods can now estimate accurate 2D depth maps, but when the maps are projected into 3D, they lack local detail and…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Jun Li , Reinhard Klein , Angela Yao