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We propose a versatile deep image compression network based on Spatial Feature Transform (SFT arXiv:1804.02815), which takes a source image and a corresponding quality map as inputs and produce a compressed image with variable rates. Our…

图像与视频处理 · 电气工程与系统科学 2021-08-24 Myungseo Song , Jinyoung Choi , Bohyung Han

We present a mutual information-based framework for unsupervised image-to-image translation. Our MCMI approach treats single-cycle image translation models as modules that can be used recurrently in a multi-cycle translation setting where…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Xiang Xu , Megha Nawhal , Greg Mori , Manolis Savva

Hyperspectral images (HSIs) capture rich spectral signatures that reveal vital material properties, offering broad applicability across various domains. However, the scarcity of labeled HSI data limits the full potential of deep learning,…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Shaheer Mohamed , Tharindu Fernando , Sridha Sridharan , Peyman Moghadam , Clinton Fookes

This paper presents a novel framework, namely Deep Cross-modality Spectral Hashing (DCSH), to tackle the unsupervised learning problem of binary hash codes for efficient cross-modal retrieval. The framework is a two-step hashing approach…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Tuan Hoang , Thanh-Toan Do , Tam V. Nguyen , Ngai-Man Cheung

Information-maximization clustering learns a probabilistic classifier in an unsupervised manner so that mutual information between feature vectors and cluster assignments is maximized. A notable advantage of this approach is that it only…

机器学习 · 统计学 2011-12-06 Masashi Sugiyama , Makoto Yamada , Manabu Kimura , Hirotaka Hachiya

In this paper, we address the problem of searching for semantically similar images from a large database. We present a compact coding approach, supervised quantization. Our approach simultaneously learns feature selection that linearly…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Xiaojuan Wang , Ting Zhang , Guo-Jun Q , Jinhui Tang , Jingdong Wang

Image hashing is one of the fundamental problems that demand both efficient and effective solutions for various practical scenarios. Adversarial autoencoders are shown to be able to implicitly learn a robust, locality-preserving hash…

信息检索 · 计算机科学 2020-05-27 Khoa D. Doan , Saurav Manchanda , Sarkhan Badirli , Chandan K. Reddy

With the explosive growth in the number of fine-grained images in the Internet era, it has become a challenging problem to perform fast and efficient retrieval from large-scale fine-grained images. Among the many retrieval methods, hashing…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Xianxian Zeng , Yanjun Zheng

Recent advancements in deep neural networks have significantly enhanced the performance of semantic segmentation. However, class imbalance and instance imbalance remain persistent challenges, where smaller instances and thin boundaries are…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Renhao Lu

Hyperspectral imaging can help better understand the characteristics of different materials, compared with traditional image systems. However, only high-resolution multispectral (HrMS) and low-resolution hyperspectral (LrHS) images can…

计算机视觉与模式识别 · 计算机科学 2019-01-11 Qi Xie , Minghao Zhou , Qian Zhao , Deyu Meng , Wangmeng Zuo , Zongben Xu

Computation of Mutual Information (MI) helps understand the amount of information shared between a pair of random variables. Automated feature selection techniques based on MI ranking are regularly used to extract information from sensitive…

密码学与安全 · 计算机科学 2020-09-24 Ankit Srivastava , Samira Pouyanfar , Joshua Allen , Ken Johnston , Qida Ma

We propose HAMSI (Hessian Approximated Multiple Subsets Iteration), which is a provably convergent, second order incremental algorithm for solving large-scale partially separable optimization problems. The algorithm is based on a local…

Finding similar images is a necessary operation in many multimedia applications. Images are often represented and stored as a set of high-dimensional features, which are extracted using localized feature extraction algorithms. Locality…

多媒体 · 计算机科学 2020-10-16 Omid Jafari , Parth Nagarkar , Jonathan Montaño

We propose a method for the unsupervised clustering of hyperspectral images based on spatially regularized spectral clustering with ultrametric path distances. The proposed method efficiently combines data density and geometry to…

计算机视觉与模式识别 · 计算机科学 2020-04-13 Shukun Zhang , James M. Murphy

Due to its low storage cost and fast query speed, hashing has been widely used in large-scale image retrieval tasks. Hash bucket search returns data points within a given Hamming radius to each query, which can enable search at a constant…

机器学习 · 计算机科学 2024-05-07 Ming-Wei Li , Qing-Yuan Jiang , Wu-Jun Li

Multi-spectral quantitative phase imaging (MS-QPI) is a cutting-edge label-free technique to determine the morphological changes, refractive index variations and spectroscopic information of the specimens. The bottleneck to implement this…

Quantitative Susceptibility Mapping is a parametric imaging technique to estimate the magnetic susceptibilities of biological tissues from MRI phase measurements. This problem of estimating the susceptibility map is ill posed. Regularized…

图像与视频处理 · 电气工程与系统科学 2022-10-14 Arvind Balachandrasekaran , Davood Karimi , Camilo Jaimes , Ali Gholipour

Large-scale is a trend in person re-identification (re-id). It is important that real-time search be performed in a large gallery. While previous methods mostly focus on discriminative learning, this paper makes the attempt in integrating…

计算机视觉与模式识别 · 计算机科学 2017-05-08 Fuqing Zhu , Xiangwei Kong , Liang Zheng , Haiyan Fu , Qi Tian

Quantitative Susceptibility Mapping (QSM) dipole inversion is an ill-posed inverse problem for quantifying magnetic susceptibility distributions from MRI tissue phases. While supervised deep learning methods have shown success in specific…

图像与视频处理 · 电气工程与系统科学 2024-03-22 Zhuang Xiong , Wei Jiang , Yang Gao , Feng Liu , Hongfu Sun

Thanks to the success of deep learning, cross-modal retrieval has made significant progress recently. However, there still remains a crucial bottleneck: how to bridge the modality gap to further enhance the retrieval accuracy. In this…

计算机视觉与模式识别 · 计算机科学 2018-04-05 Chao Li , Cheng Deng , Ning Li , Wei Liu , Xinbo Gao , Dacheng Tao