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The extraction and proper utilization of convolution neural network (CNN) features have a significant impact on the performance of image super-resolution (SR). Although CNN features contain both the spatial and channel information, current…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Abdul Muqeet , Md Tauhid Bin Iqbal , Sung-Ho Bae

We develop a flexible feature selection framework based on deep neural networks that approximately controls the false discovery rate (FDR), a measure of Type-I error. The method applies to architectures whose first layer is fully connected.…

Machine Learning · Statistics 2026-02-10 Kazuma Sawaya

Nowadays, massive datasets are typically dispersed across multiple locations, encountering dual challenges of high dimensionality and huge sample size. Therefore, it is necessary to explore sufficient dimension reduction (SDR) methods for…

Methodology · Statistics 2025-09-16 Hongying Li , Minyi Zhu , Yaqi Cao , Xinyi Xu

The remarkable performance of modern deep neural networks (DNNs) is largely driven by their massive scale, often comprising tens to hundreds of millions-or even billions-of parameters. However, such a scale incurs substantial storage and…

Machine Learning · Computer Science 2026-05-01 Mingyuan Wang , Yangzi Guo , Sida Liu , Yuhang Liu

Sufficient dimension reduction (SDR) is continuing an active research field nowadays for high dimensional data. It aims to estimate the central subspace (CS) without making distributional assumption. To overcome the large-$p$-small-$n$…

Methodology · Statistics 2017-03-22 Hung Hung , Su-Yun Huang

In this paper, the existing Scheduling Dimension Reduction (SDR) methods for Linear Parameter-Varying (LPV) models are reviewed and a Deep Neural Network (DNN) approach is developed that achieves higher model accuracy under scheduling…

Systems and Control · Electrical Eng. & Systems 2020-12-10 P. J. W. Koelewijn , R. Tóth

With the rapid development of deep learning, a variety of change detection methods based on deep learning have emerged in recent years. However, these methods usually require a large number of training samples to train the network model, so…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Weidong Yan , Pei Yan , Li Cao

Unsupervised learning of feature representations is a challenging yet important problem for analyzing a large collection of multimedia data that do not have semantic labels. Recently proposed neural network-based unsupervised learning…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Takahiko Furuya , Ryutarou Ohbuchi

Dimension reduction (DR) is commonly utilized to capture the intrinsic structure and transform high-dimensional data into low-dimensional space while retaining meaningful properties of the original data. It is used in various applications,…

Machine Learning · Computer Science 2022-11-29 Zelin Zang , Shenghui Cheng , Linyan Lu , Hanchen Xia , Liangyu Li , Yaoting Sun , Yongjie Xu , Lei Shang , Baigui Sun , Stan Z. Li

In occluded person re-identification(ReID), severe occlusions lead to a significant amount of irrelevant information that hinders the accurate identification of individuals. These irrelevant cues primarily stem from background interference…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Zhaoyong Wang , Yujie Liu , Mingyue Li , Wenxin Zhang , Zongmin Li

Deep Learning is considered to be a quite young in the area of machine learning research, found its effectiveness in dealing complex yet high dimensional dataset that includes but limited to images, text and speech etc. with multiple levels…

Computer Vision and Pattern Recognition · Computer Science 2016-10-19 Mrutyunjaya Panda

Image retrieval (IR) has emerged as a promising approach for self-localization in unmanned aerial vehicles (UAVs). However, IR-based methods face several challenges: 1) Pre- and post-processing incur significant computational and storage…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Ming Dai , Enhui Zheng , Jiahao Chen , Lei Qi , Zhenhua Feng , Wankou Yang

Image super-resolution (SR) methods essentially lead to a loss of some high-frequency (HF) information when predicting high-resolution (HR) images from low-resolution (LR) images without using external references. To address this issue, we…

Computer Vision and Pattern Recognition · Computer Science 2018-06-19 Sifeng Xia , Wenhan Yang , Jiaying Liu , Zongming Guo

Deep Neural Networks (DNNs) became the standard tool for function approximation with most of the introduced architectures being developed for high-dimensional input data. However, many real-world problems have low-dimensional inputs for…

Neural and Evolutionary Computing · Computer Science 2024-02-06 Daniel Jost , Basavasagar Patil , Xavier Alameda-Pineda , Chris Reinke

Recent interactive segmentation methods iteratively take source image, user guidance and previously predicted mask as the input without considering the invariant nature of the source image. As a result, extracting features from the source…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Huimin Zeng , Weinong Wang , Xin Tao , Zhiwei Xiong , Yu-Wing Tai , Wenjie Pei

Deep Neural Networks (DNNs) have shown significant advantages in a wide variety of domains. However, DNNs are becoming computationally intensive and energy hungry at an exponential pace, while at the same time, there is a vast demand for…

Deep neural networks (DNNs) usually contain massive parameters, but there is redundancy such that it is guessed that the DNNs could be trained in low-dimensional subspaces. In this paper, we propose a Dynamic Linear Dimensionality Reduction…

Machine Learning · Computer Science 2021-08-17 Tao Li , Lei Tan , Qinghua Tao , Yipeng Liu , Xiaolin Huang

Deep Convolutional Neural Network (DCNN) and Transformer have achieved remarkable successes in image recognition. However, their performance in fine-grained image recognition is still difficult to meet the requirements of actual needs. This…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Chaorong Li , Malu Zhang , Wei Huang , Fengqing Qin , Anping Zeng , Yuanyuan Huang

Despite the superior performance of deep learning in many applications, challenges remain in the area of regression on function spaces. In particular, neural networks are unable to encode function inputs compactly as each node encodes just…

Machine Learning · Computer Science 2018-07-11 Connie Kou , Hwee Kuan Lee , Teck Khim Ng

Cross-resolution face recognition (CRFR), which is important in intelligent surveillance and biometric forensics, refers to the problem of matching a low-resolution (LR) probe face image against high-resolution (HR) gallery face images.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Guangwei Gao , Yi Yu , Jian Yang , Guo-Jun Qi , Meng Yang