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Discriminative Dictionary Learning (DL) methods have been widely advocated for image classification problems. To further sharpen their discriminative capabilities, most state-of-the-art DL methods have additional constraints included in the…

机器学习 · 计算机科学 2019-03-08 Wen Tang , Ashkan Panahi , Hamid Krim , Liyi Dai

In differentiable neural architecture search (NAS) algorithms like DARTS, the training set used to update model weight and the validation set used to update model architectures are sampled from the same data distribution. Thus, the uncommon…

机器学习 · 计算机科学 2021-12-02 Ruisi Zhang , Youwei Liang , Sai Ashish Somayajula , Pengtao Xie

Deep Convolutional Neural Networks (CNN) have exhibited superior performance in many visual recognition tasks including image classification, object detection, and scene label- ing, due to their large learning capacity and resistance to…

计算机视觉与模式识别 · 计算机科学 2016-10-12 Miao Sun , Tony X. Han , Xun Xu , Ming-Chang Liu , Ahmad Khodayari-Rostamabad

Convolutional Neural Networks (CNNs) have recently become a favored technique for image denoising due to its adaptive learning ability, especially with a deep configuration. However, their efficacy is inherently limited owing to their…

图像与视频处理 · 电气工程与系统科学 2020-09-03 Junaid Malik , Serkan Kiranyaz , Moncef Gabbouj

We consider the dictionary learning problem, where the aim is to model the given data as a linear combination of a few columns of a matrix known as a dictionary, where the sparse weights forming the linear combination are known as…

机器学习 · 计算机科学 2019-08-29 Sirisha Rambhatla , Xingguo Li , Jarvis Haupt

Discriminative learning based on convolutional neural networks (CNNs) aims to perform image restoration by learning from training examples of noisy-clean image pairs. It has become the go-to methodology for tackling image restoration and…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Junaid Malik , Serkan Kiranyaz , Moncef Gabbouj

Previous researches have demonstrated that the framework of dictionary learning with sparse coding, in which signals are decomposed as linear combinations of a few atoms of a learned dictionary, is well adept to reconstruction issues. This…

计算机视觉与模式识别 · 计算机科学 2012-03-06 Shu Kong , Donghui Wang

Convolutional operator learning is gaining attention in many signal processing and computer vision applications. Learning kernels has mostly relied on so-called patch-domain approaches that extract and store many overlapping patches across…

图像与视频处理 · 电气工程与系统科学 2023-08-31 Il Yong Chun , Jeffrey A. Fessler

Dictionary Learning (DL) is one of the leading sparsity promoting techniques in the context of image classification, where the "dictionary" matrix D of images and the sparse matrix X are determined so as to represent a redundant image…

数值分析 · 数学 2022-03-10 Domitilla Brandoni , Margherita Porcelli , Valeria Simoncini

We study in this paper the improvement of one-class support vector machines (OC-SVM) through sparse representation techniques for unsupervised anomaly detection. As Dictionary Learning (DL) became recently a common analysis technique that…

机器学习 · 计算机科学 2024-04-08 Paul Irofti , Iulian-Andrei Hîji , Andrei Pătraşcu , Nicolae Cleju

Neural Additive Models (NAMs) have recently demonstrated promising predictive performance while maintaining interpretability. However, their capacity is limited to capturing only first-order feature interactions, which restricts their…

机器学习 · 计算机科学 2025-11-17 Minkyu Kim , Hyun-Soo Choi , Jinho Kim

Sparse coding with dictionary learning (DL) has shown excellent classification performance. Despite the considerable number of existing works, how to obtain features on top of which dictionaries can be better learned remains an open and…

计算机视觉与模式识别 · 计算机科学 2016-08-08 Weiyang Liu , Zhiding Yu , Yandong Wen , Rongmei Lin , Meng Yang

Sparse coding can learn good robust representation to noise and model more higher-order representation for image classification. However, the inference algorithm is computationally expensive even though the supervised signals are used to…

计算机视觉与模式识别 · 计算机科学 2015-01-06 Jun Li , Heyou Chang , Jian Yang

Inspired by the recent success of deep neural networks and the recent efforts to develop multi-layer dictionary models, we propose a Deep Analysis dictionary Model (DeepAM) which is optimized to address a specific regression task known as…

机器学习 · 统计学 2021-02-03 Jun-Jie Huang , Pier Luigi Dragotti

Supervised learning in function spaces is an emerging area of machine learning research with applications to the prediction of complex physical systems such as fluid flows, solid mechanics, and climate modeling. By directly learning maps…

机器学习 · 计算机科学 2022-06-09 Jacob H. Seidman , Georgios Kissas , Paris Perdikaris , George J. Pappas

Automated neural network design has received ever-increasing attention with the evolution of deep convolutional neural networks (CNNs), especially involving their deployment on embedded and mobile platforms. One of the biggest problems that…

机器学习 · 计算机科学 2021-03-04 Qingbei Guo , Xiao-Jun Wu , Josef Kittler , Zhiquan Feng

Recent successes in learning-based image classification, however, heavily rely on the large number of annotated training samples, which may require considerable human efforts. In this paper, we propose a novel active learning framework,…

计算机视觉与模式识别 · 计算机科学 2017-01-16 Keze Wang , Dongyu Zhang , Ya Li , Ruimao Zhang , Liang Lin

Real-world documents may suffer various forms of degradation, often resulting in lower accuracy in optical character recognition (OCR) systems. Therefore, a crucial preprocessing step is essential to eliminate noise while preserving text…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Giordano Cicchetti , Danilo Comminiello

The aim of this work is to propose an ensemble of descriptors for Melanoma Classification, whose performance has been evaluated on validation and test datasets of the melanoma challenge 2018. The system proposed here achieves a strong…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Loris Nanni , Alessandra Lumini , Stefano Ghidoni

Recent models for image processing are using the Convolutional neural network (CNN) which requires a pixel per pixel analysis of the input image. This method works well. However, it is time-consuming if we have large images. To increase the…

机器学习 · 计算机科学 2019-12-10 Mohamed Karim Belaid
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