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In recent studies in hyperspectral imaging, biometrics and energy analytics, the framework of deep dictionary learning has shown promise. Deep dictionary learning outperforms other traditional deep learning tools when training data is…

图像与视频处理 · 电气工程与系统科学 2019-12-24 Vanika Singhal , Angshul Majumdar

Image to image translation aims to learn a mapping that transforms an image from one visual domain to another. Recent works assume that images descriptors can be disentangled into a domain-invariant content representation and a…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Raul Gomez , Yahui Liu , Marco De Nadai , Dimosthenis Karatzas , Bruno Lepri , Nicu Sebe

This paper presents a sparse representation-based classification approach with a novel dictionary construction procedure. By using the constructed dictionary sophisticated prior knowledge about the spatial nature of the image can be…

计算机视觉与模式识别 · 计算机科学 2017-08-22 Ribana Roscher , Björn Waske

Self-supervised learning has demonstrated considerable potential in hyperspectral representation, yet its application in cross-domain transfer scenarios remains under-explored. Existing methods, however, still rely on source domain…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Jianshu Chao , Tianhua Lv , Qiqiong Ma , Yunfei Qiu , Li Fang , Huifang Shen , Wei Yao

We frame the task of predicting a semantic labeling as a sparse reconstruction procedure that applies a target-specific learned transfer function to a generic deep sparse code representation of an image. This strategy partitions training…

计算机视觉与模式识别 · 计算机科学 2014-10-17 Michael Maire , Stella X. Yu , Pietro Perona

Sparse representation models a signal as a linear combination of a small number of dictionary atoms. As a generative model, it requires the dictionary to be highly redundant in order to ensure both a stable high sparsity level and a low…

计算机视觉与模式识别 · 计算机科学 2015-06-23 Xiaoxia Sun , Nasser M. Nasrabadi , Trac D. Tran

We propose a novel spatially-correlative loss that is simple, efficient and yet effective for preserving scene structure consistency while supporting large appearance changes during unpaired image-to-image (I2I) translation. Previous…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Chuanxia Zheng , Tat-Jen Cham , Jianfei Cai

Recently, several discriminative learning approaches have been proposed for effective image restoration, achieving convincing trade-off between image quality and computational efficiency. However, these methods require separate training for…

计算机视觉与模式识别 · 计算机科学 2018-07-04 Lei Xiao , Felix Heide , Wolfgang Heidrich , Bernhard Schölkopf , Michael Hirsch

Recent progress of self-supervised visual representation learning has achieved remarkable success on many challenging computer vision benchmarks. However, whether these techniques can be used for domain adaptation has not been explored. In…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Jiaolong Xu , Liang Xiao , Antonio M. Lopez

Deep dictionary learning seeks multiple dictionaries at different image scales to capture complementary coherent characteristics. We propose a method for learning a hierarchy of synthesis dictionaries with an image classification goal. The…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Shahin Mahdizadehaghdam , Ashkan Panahi , Hamid Krim , Liyi Dai

Hyperspectral images are crucial for many research works. Spectral super-resolution (SSR) is a method used to obtain high spatial resolution (HR) hyperspectral images from HR multispectral images. Traditional SSR methods include…

图像与视频处理 · 电气工程与系统科学 2020-12-09 Jiang He , Jie Li , Qiangqiang Yuan , Huanfeng Shen , Liangpei Zhang

Single image super-resolution traditionally assumes spatially-invariant degradation models, yet real-world imaging systems exhibit complex distance-dependent effects including atmospheric scattering, depth-of-field variations, and…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Tianhao Guo , Bingjie Lu , Feng Wang , Zhengyang Lu

Objective: Improve the reconstructed image with fast and multi-class dictionaries learning when magnetic resonance imaging is accelerated by undersampling the k-space data. Methods: A fast orthogonal dictionary learning method is introduced…

计算机视觉与模式识别 · 计算机科学 2016-01-27 Zhifang Zhan , Jian-Feng Cai , Di Guo , Yunsong Liu , Zhong Chen , Xiaobo Qu

Since the first success of Dong et al., the deep-learning-based approach has become dominant in the field of single-image super-resolution. This replaces all the handcrafted image processing steps of traditional sparse-coding-based methods…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Shunta Maeda

Considerable work has been dedicated to hyperspectral single image super-resolution to improve the spatial resolution of hyperspectral images and fully exploit their potential. However, most of these methods are supervised and require some…

图像与视频处理 · 电气工程与系统科学 2026-04-10 Xinxin Xu , Yann Gousseau , Christophe Kervazo , Saïd Ladjal

Super-resolution reconstruction (SRR) is a process aimed at enhancing spatial resolution of images, either from a single observation, based on the learned relation between low and high resolution, or from multiple images presenting the same…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Michal Kawulok , Pawel Benecki , Szymon Piechaczek , Krzysztof Hrynczenko , Daniel Kostrzewa , Jakub Nalepa

Recently, self-supervised learning has attracted attention due to its remarkable ability to acquire meaningful representations for classification tasks without using semantic labels. This paper introduces a self-supervised learning…

计算机视觉与模式识别 · 计算机科学 2022-02-09 Hyungtae Lee , Heesung Kwon

Cross-lingual transfer of word embeddings aims to establish the semantic mappings among words in different languages by learning the transformation functions over the corresponding word embedding spaces. Successfully solving this problem…

计算与语言 · 计算机科学 2018-09-12 Ruochen Xu , Yiming Yang , Naoki Otani , Yuexin Wu

Across a wide range of applications, from autonomous vehicles to medical imaging, multi-spectral images provide an opportunity to extract additional information not present in color images. One of the most important steps in making this…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Celyn Walters , Oscar Mendez , Mark Johnson , Richard Bowden

Image-to-image translation is a technique that focuses on transferring images from one domain to another while maintaining the essential content representations. In recent years, image-to-image translation has gained significant attention…

图像与视频处理 · 电气工程与系统科学 2024-04-02 Xixian Wu , Dian Chao , Yang Yang