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Convolutional Neural Network is good at image classification. However, it is found to be vulnerable to image quality degradation. Even a small amount of distortion such as noise or blur can severely hamper the performance of these CNN…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Md Tahmid Hossain , Shyh Wei Teng , Dengsheng Zhang , Suryani Lim , Guojun Lu

Convolutional neural networks (CNNs) learn filters in order to capture local correlation patterns in feature space. We propose to learn these filters as combinations of preset spectral filters defined by the Discrete Cosine Transform (DCT).…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Matej Ulicny , Vladimir A. Krylov , Rozenn Dahyot

In this paper, we propose a novel Discrete Cosine Transform (DCT)-based neural network layer which we call DCT-perceptron to replace the $3\times3$ Conv2D layers in the Residual neural Network (ResNet). Convolutional filtering operations…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Hongyi Pan , Xin Zhu , Salih Atici , Ahmet Enis Cetin

Convolutional neural networks are based on a huge number of trained weights. Consequently, they are often data-greedy, sensitive to overtraining, and learn slowly. We follow the line of research in which filters of convolutional neural…

Neural and Evolutionary Computing · Computer Science 2020-04-08 Karol Chęciński , Paweł Wawrzyński

Guided depth super-resolution (GDSR) is an essential topic in multi-modal image processing, which reconstructs high-resolution (HR) depth maps from low-resolution ones collected with suboptimal conditions with the help of HR RGB images of…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Zixiang Zhao , Jiangshe Zhang , Shuang Xu , Zudi Lin , Hanspeter Pfister

For the task of change detection (CD) in remote sensing images, deep convolution neural networks (CNNs)-based methods have recently aggregated transformer modules to improve the capability of global feature extraction. However, they suffer…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Weiming Li , Lihui Xue , Xueqian Wang , Gang Li

Deep convolutional neural networks (CNNs) are the backbone of state-of-art semantic image segmentation systems. Recent work has shown that complementing CNNs with fully-connected conditional random fields (CRFs) can significantly enhance…

Computer Vision and Pattern Recognition · Computer Science 2016-06-03 Liang-Chieh Chen , Jonathan T. Barron , George Papandreou , Kevin Murphy , Alan L. Yuille

Sensor drift is a long-existing unpredictable problem that deteriorates the performance of gaseous substance recognition, calling for an antidrift domain adaptation algorithm. However, the prerequisite for traditional methods to achieve…

Quantitative Methods · Quantitative Biology 2022-03-29 Yuelin Zhang , Sihao Xiang , Zehuan Wang , Xiaoyan Peng , Yutong Tian , Shukai Duan , Jia Yan

Analyzing spatio-temporal data like video is a challenging task that requires processing visual and temporal information effectively. Convolutional Neural Networks have shown promise as baseline fixed feature extractors through transfer…

Computer Vision and Pattern Recognition · Computer Science 2017-11-06 Dillon Graham , Seyed Hamed Fatemi Langroudi , Christopher Kanan , Dhireesha Kudithipudi

To achieve higher accuracy in machine learning tasks, very deep convolutional neural networks (CNNs) are designed recently. However, the large memory access of deep CNNs will lead to high power consumption. A variety of hardware-friendly…

Image and Video Processing · Electrical Eng. & Systems 2021-06-25 Yubo Shi , Meiqi Wang , Siyi Chen , Jinghe Wei , Zhongfeng Wang

Dense pixelwise prediction such as semantic segmentation is an up-to-date challenge for deep convolutional neural networks (CNNs). Many state-of-the-art approaches either tackle the loss of high-resolution information due to pooling in the…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Lingni Ma , Jörg Stückler , Tao Wu , Daniel Cremers

Convolutional neural networks (CNNs) are very popular nowadays for image processing. CNNs allow one to learn optimal filters in a (mostly) supervised machine learning context. However this typically requires abundant labelled training data…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Matej Ulicny , Vladimir A. Krylov , Rozenn Dahyot

Surface anomaly detection plays an important quality control role in many manufacturing industries to reduce scrap production. Machine-based visual inspections have been utilized in recent years to conduct this task instead of human…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Tareq Tayeh , Sulaiman Aburakhia , Ryan Myers , Abdallah Shami

Surface defect detection is an extremely crucial step to ensure the quality of industrial products. Nowadays, convolutional neural networks (CNNs) based on encoder-decoder architecture have achieved tremendous success in various defect…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Junpu Wang , Guili Xu , Fuju Yan , Jinjin Wang , Zhengsheng Wang

Deep learning models are widely used for time series classification (TSC) due to their scalability and efficiency. However, their performance degrades under challenging data conditions such as class similarity, multimodal distributions, and…

Machine Learning · Computer Science 2025-07-30 Yaoyu Zhang , Chi-Guhn Lee

Spiking Neural Networks (SNNs) offer a promising alternative to traditional deep learning frameworks, since they provide higher computational efficiency due to event-driven information processing. SNNs distribute the analog values of pixel…

Machine Learning · Computer Science 2020-10-06 Isha Garg , Sayeed Shafayet Chowdhury , Kaushik Roy

Deep learning methods, in particular, trained Convolutional Neural Networks (CNN) have recently been shown to produce compelling results for single image Super-Resolution (SR). Invariably, a CNN is learned to map the Low Resolution (LR)…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Tiantong Guo , Hojjat S. Mousavi , Vishal Monga

Defect detection is one of the most important yet challenging tasks in the quality control stage in the manufacturing sector. In this work, we introduce a Tensor Convolutional Neural Network (T-CNN) and examine its performance on a real…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Pablo Martin-Ramiro , Unai Sainz de la Maza , Sukhbinder Singh , Roman Orus , Samuel Mugel

Convolutional Neural Networks (CNNs) constitute a class of Deep Learning models which have been used in the recent past to resolve many problems in computer vision, in particular optical flow estimation. Measuring displacement and strain…

Image and Video Processing · Electrical Eng. & Systems 2020-09-10 S. Boukhtache , K. Abdelouahab , F. Berry , B. Blaysat , M. Grediac , F. Sur

This work tackles the issue of noise removal from images, focusing on the well-known DCT image denoising algorithm. The latter, stemming from signal processing, has been well studied over the years. Though very simple, it is still used in…

Image and Video Processing · Electrical Eng. & Systems 2022-07-13 Sébastien Herbreteau , Charles Kervrann
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