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We present a novel class of Convolutional Neural Networks called Pre-defined Filter Convolutional Neural Networks (PFCNNs), where all nxn convolution kernels with n>1 are pre-defined and constant during training. It involves a special form…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Christoph Linse , Erhardt Barth , Thomas Martinetz

In this paper, we evaluate convolutional neural network (CNN) features using the AlexNet architecture and very deep convolutional network (VGGNet) architecture. To date, most CNN researchers have employed the last layers before output,…

Computer Vision and Pattern Recognition · Computer Science 2015-09-28 Hirokatsu Kataoka , Kenji Iwata , Yutaka Satoh

In this paper, we present a novel approach for contour detection with Convolutional Neural Networks. A multi-scale CNN learning framework is designed to automatically learn the most relevant features for contour patch detection. Our method…

Computer Vision and Pattern Recognition · Computer Science 2017-05-10 Teck Wee Chua , Li Shen

Deep learning is currently playing a crucial role toward higher levels of artificial intelligence. This paradigm allows neural networks to learn complex and abstract representations, that are progressively obtained by combining simpler…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-12 Mirco Ravanelli , Yoshua Bengio

Recent studies have shown that a Deep Convolutional Neural Network (DCNN) pretrained on a large image dataset can be used as a universal image descriptor, and that doing so leads to impressive performance for a variety of image…

Computer Vision and Pattern Recognition · Computer Science 2016-12-23 Lingqiao Liu , Chunhua Shen , Anton van den Hengel

With the development of Earth observation technology, very-high-resolution (VHR) image has become an important data source of change detection. Nowadays, deep learning methods have achieved conspicuous performance in the change detection of…

Image and Video Processing · Electrical Eng. & Systems 2019-12-19 Chen Wu , Hongruixuan Chen , Bo Do , Liangpei Zhang

This paper presents an unsupervised method to learn a neural network, namely an explainer, to interpret a pre-trained convolutional neural network (CNN), i.e., explaining knowledge representations hidden in middle conv-layers of the CNN.…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Quanshi Zhang , Yu Yang , Yuchen Liu , Ying Nian Wu , Song-Chun Zhu

In recent years, image forensics has attracted more and more attention, and many forensic methods have been proposed for identifying image processing operations. Up to now, most existing methods are based on hand crafted features, and just…

Multimedia · Computer Science 2020-09-01 Bolin Chen , Haodong Li , Weiqi Luo

Deep Convolutional Neural Networks (CNNs) have been one of the most influential recent developments in computer vision, particularly for categorization. There is an increasing demand for explainable AI as these systems are deployed in the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Tian Xu , Jiayu Zhan , Oliver G. B. Garrod , Philip H. S. Torr , Song-Chun Zhu , Robin A. A. Ince , Philippe G. Schyns

We propose a novel formulation of deep networks that do not use dot-product neurons and rely on a hierarchy of voting tables instead, denoted as Convolutional Tables (CT), to enable accelerated CPU-based inference. Convolutional layers are…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Shay Dekel , Yosi Keller , Aharon Bar-Hillel

We have developed convolutional neural networks (CNN) for a facial expression recognition task. The goal is to classify each facial image into one of the seven facial emotion categories considered in this study. We trained CNN models with…

Computer Vision and Pattern Recognition · Computer Science 2017-04-25 Shima Alizadeh , Azar Fazel

Convolutional Neural Networks (CNNs) have exhibited great performance in discriminative feature learning for complex visual tasks. Besides discrimination power, interpretability is another important yet under-explored property for CNNs. One…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Wengang Guo , Jiayi Yang , Huilin Yin , Qijun Chen , Wei Ye

Deep convolutional neural networks (DCNNs) have become the state-of-the-art computational models of biological object recognition. Their remarkable success has helped vision science break new ground and recent efforts have started to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Leonard E. van Dyck , Walter R. Gruber

Within the world of machine learning there exists a wide range of different methods with respective advantages and applications. This paper seeks to present and discuss one such method, namely Convolutional Neural Networks (CNNs). CNNs are…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Lars Lien Ankile , Morgan Feet Heggland , Kjartan Krange

Like other applications in computer vision, medical image segmentation has been most successfully addressed using deep learning models that rely on the convolution operation as their main building block. Convolutions enjoy important…

Image and Video Processing · Electrical Eng. & Systems 2022-04-05 Davood Karimi , Serge Vasylechko , Ali Gholipour

Predictive coding (PC) is an influential theory in computational neuroscience, which argues that the cortex forms unsupervised world models by implementing a hierarchical process of prediction error minimization. PC networks (PCNs) are…

Neural and Evolutionary Computing · Computer Science 2022-08-05 Beren Millidge , Yuhang Song , Tommaso Salvatori , Thomas Lukasiewicz , Rafal Bogacz

A new low-dimensional parameterization based on principal component analysis (PCA) and convolutional neural networks (CNN) is developed to represent complex geological models. The CNN-PCA method is inspired by recent developments in…

Machine Learning · Statistics 2018-07-11 Yimin Liu , Wenyue Sun , Louis J. Durlofsky

In this paper, we propose a new deep framework which predicts facial attributes and leverage it as a soft modality to improve face identification performance. Our model is an end to end framework which consists of a convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Fariborz Taherkhani , Nasser M. Nasrabadi , Jeremy Dawson

Radio spectrum monitoring in contested environments motivates the need for reliable automatic signal classification technology. Prior work highlights deep learning as a promising approach, but existing models depend on brute-force Doppler…

Signal Processing · Electrical Eng. & Systems 2025-11-19 Avi Bagchi , Dwight Hutchenson

In this paper, we introduce a simple but quite effective recognition framework dubbed D-PCN, aiming at enhancing feature extracting ability of CNN. The framework consists of two parallel CNNs, a discriminator and an extra classifier which…

Computer Vision and Pattern Recognition · Computer Science 2018-03-15 Shiqi Yang , Gang Peng