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Discriminative localization is essential for fine-grained image classification task, which devotes to recognizing hundreds of subcategories in the same basic-level category. Reflecting on discriminative regions of objects, key differences…

计算机视觉与模式识别 · 计算机科学 2017-12-01 Xiangteng He , Yuxin Peng , Junjie Zhao

In the era of Big Data, scalable and accurate clustering algorithms for high-dimensional data are essential. We present new Bayesian Distance Clustering (BDC) models and inference algorithms with improved scalability while maintaining the…

统计方法学 · 统计学 2024-09-02 Rafael Cabral , Maria de Iorio , Andrew Harris

This paper presents a comprehensive comparative analysis of prominent clustering algorithms K-means, DBSCAN, and Spectral Clustering on high-dimensional datasets. We introduce a novel evaluation framework that assesses clustering…

机器学习 · 计算机科学 2025-07-31 Vishnu Vardhan Baligodugula , Fathi Amsaad

We present two methods to reduce the complexity of Bayesian network (BN) classifiers. First, we introduce quantization-aware training using the straight-through gradient estimator to quantize the parameters of BNs to few bits. Second, we…

机器学习 · 计算机科学 2021-09-23 Wolfgang Roth , Günther Schindler , Holger Fröning , Franz Pernkopf

Although numerous clustering algorithms have been developed, many existing methods still leverage k-means technique to detect clusters of data points. However, the performance of k-means heavily depends on the estimation of centers of…

机器学习 · 计算机科学 2023-05-15 Quanxue Gao , Qianqian Wang , Han Lu , Wei Xia , Xinbo Gao

For covariance-based image descriptors, taking into account the curvature of the corresponding feature space has been shown to improve discrimination performance. This is often done through representing the descriptors as points on…

计算机视觉与模式识别 · 计算机科学 2014-03-06 Andres Sanin , Conrad Sanderson , Mehrtash T. Harandi , Brian C. Lovell

In this paper, a Bayesian fusion technique for remotely sensed multi-band images is presented. The observed images are related to the high spectral and high spatial resolution image to be recovered through physical degradations, e.g.,…

计算机视觉与模式识别 · 计算机科学 2014-08-27 Qi Wei , Nicolas Dobigeon , Jean-Yves Tourneret

Class imbalance occurs in many real-world applications, including image classification, where the number of images in each class differs significantly. With imbalanced data, the generative adversarial networks (GANs) leans to majority class…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Yuchong Yao , Xiaohui Wangr , Yuanbang Ma , Han Fang , Jiaying Wei , Liyuan Chen , Ali Anaissi , Ali Braytee

In the past few years, Generative Adversarial Network (GAN) became a prevalent research topic. By defining two convolutional neural networks (G-Network and D-Network) and introducing an adversarial procedure between them during the training…

计算机视觉与模式识别 · 计算机科学 2017-04-27 Hengyue Pan , Hui Jiang

In this work, we propose a method for the classification of animal in images. Initially, a graph cut based method is used to perform segmentation in order to eliminate the background from the given image. The segmented animal images are…

计算机视觉与模式识别 · 计算机科学 2016-09-25 Y H Sharath Kumar , Manohar N , H K Chethan

Image or object recognition is an important task in computer vision. With the hight-speed processing power on modern platforms and the availability of mobile phones everywhere, millions of photos are uploaded to the internet per minute, it…

计算机视觉与模式识别 · 计算机科学 2017-06-06 Yong Khoo , Seo-hyeon Keun

Semantic segmentation necessitates approaches that learn high-level characteristics while dealing with enormous amounts of data. Convolutional neural networks (CNNs) can learn unique and adaptive features to achieve this aim. However, due…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Hasan AlMarzouqi , Lyes Saad Saoud

The task of labeling data for training deep neural networks is daunting and tedious, requiring millions of labels to achieve the current state-of-the-art results. Such reliance on large amounts of labeled data can be relaxed by exploiting…

机器学习 · 计算机科学 2016-02-17 Aysegul Dundar , Jonghoon Jin , Eugenio Culurciello

We propose a new approach to video face recognition. Our component-wise feature aggregation network (C-FAN) accepts a set of face images of a subject as an input, and outputs a single feature vector as the face representation of the set for…

计算机视觉与模式识别 · 计算机科学 2019-07-04 Sixue Gong , Yichun Shi , Anil K. Jain

Learning discriminative representations for subtle localized details plays a significant role in Fine-grained Visual Categorization (FGVC). Compared to previous attention-based works, our work does not explicitly define or localize the part…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Ranran Huang , Yu Wang , Huazhong Yang

Bayesian network classifiers provide a feasible solution to tabular data classification, with a number of merits like high time and memory efficiency, and great explainability. However, due to the parameter explosion and data sparsity…

机器学习 · 计算机科学 2025-08-18 Huan Zhang , Daokun Zhang , Kexin Meng , Geoffrey I. Webb

This work is focused on the morphological classification of galaxies following the Hubble sequence in which the different classes are arranged in a hierarchy. The proposed method, BCNN, is composed of two main modules. First, a…

天体物理仪器与方法 · 物理学 2024-09-04 Jonathan Serrano-Pérez , Raquel Díaz Hernández , L. Enrique Sucar

Image generation tasks are traditionally undertaken using Convolutional Neural Networks (CNN) or Transformer architectures for feature aggregating and dispatching. Despite the frequent application of convolution and attention structures,…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Zihao Wang , Yiming Huang , Ziyu Zhou

We present a novel clustering objective that learns a neural network classifier from scratch, given only unlabelled data samples. The model discovers clusters that accurately match semantic classes, achieving state-of-the-art results in…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Xu Ji , João F. Henriques , Andrea Vedaldi

Facial expressions convey non-verbal cues, which play an important role in interpersonal relations. Automatic recognition of human face based on facial expression can be an important component of natural human-machine interface. It may also…

计算机视觉与模式识别 · 计算机科学 2011-04-08 Soumen Bag , Soumen Barik , Prithwiraj Sen , Gautam Sanyal