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Fine-grained image classification is to recognize hundreds of subcategories in each basic-level category. Existing methods employ discriminative localization to find the key distinctions among subcategories. However, they generally have two…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Xiangteng He , Yuxin Peng , Junjie Zhao

A supervised feature selection method selects an appropriate but concise set of features to differentiate classes, which is highly expensive for large-scale datasets. Therefore, feature selection should aim at both minimizing the number of…

机器学习 · 计算机科学 2024-02-21 Sevil Zanjani Miyandoab , Shahryar Rahnamayan , Azam Asilian Bidgoli

Aiming at improving performance of visual classification in a cost-effective manner, this paper proposes an incremental semi-supervised learning paradigm called Deep Co-Space (DCS). Unlike many conventional semi-supervised learning methods…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Ziliang Chen , Keze Wang , Xiao Wang , Pai Peng , Ebroul Izquierdo , Liang Lin

To identify the location of objects of a particular class, a passive computer vision system generally processes all the regions in an image to finally output few regions. However, we can use structure in the scene to search for objects…

计算机视觉与模式识别 · 计算机科学 2016-08-09 Varun K. Nagaraja , Vlad I. Morariu , Larry S. Davis

The cost-effective visual representation and fast query-by-example search are two challenging goals that should be maintained for web-scale visual retrieval tasks on moderate hardware. This paper introduces a fast and robust method that…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Savas Ozkan , Gozde Bozdagi Akar

Keyword-based search in text-rich multi-dimensional datasets facilitates many novel applications and tools. In this paper, we consider objects that are tagged with keywords and are embedded in a vector space. For these datasets, we study…

数据库 · 计算机科学 2014-09-16 Vishwakarma Singh , Ambuj K. Singh

Recently, many methods to interpret and visualize deep neural network predictions have been proposed and significant progress has been made. However, a more class-discriminative and visually pleasing explanation is required. Thus, this…

计算机视觉与模式识别 · 计算机科学 2020-01-06 Dasom Seo , Kanghan Oh , Il-Seok Oh

Estimating accurate 3D locations of objects from monocular images is a challenging problem because of lacking depth. Previous work shows that utilizing the object's keypoint projection constraints to estimate multiple depth candidates…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Yingyan Li , Yuntao Chen , Jiawei He , Zhaoxiang Zhang

Approximate Nearest Neighbor Search with arbitrary filtering predicates (AFANNS) is essential for modern data applications, yet existing methods often incur substantial storage and computational costs. In this work, we introduce the Maximal…

数据库 · 计算机科学 2026-04-27 Xiaowei Ye , Rong-Hua Li , Guoren Wang , Kaiwen Xue , Daiyin Wang , Xubin Li

Weakly-supervised semantic segmentation (WSSS) is introduced to narrow the gap for semantic segmentation performance from pixel-level supervision to image-level supervision. Most advanced approaches are based on class activation maps (CAMs)…

计算机视觉与模式识别 · 计算机科学 2021-09-24 Sanghyun Jo , In-Jae Yu

In this article, we develop and investigate a new classifier based on features extracted using spatial depth. Our construction is based on fitting a generalized additive model to the posterior probabilities of the different competing…

统计方法学 · 统计学 2015-04-16 Subhajit Dutta , Anil K. Ghosh

We introduce the novel problem of localizing all the instances of an object (seen or unseen during training) in a natural image via sketch query. We refer to this problem as sketch-guided object localization. This problem is distinctively…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Aditay Tripathi , Rajath R Dani , Anand Mishra , Anirban Chakraborty

Current and future wireless applications strongly rely on precise real-time localization. A number of applications such as smart cities, Internet of Things (IoT), medical services, automotive industry, underwater exploration, public safety,…

信号处理 · 电气工程与系统科学 2019-06-11 Nasir Saeed , Haewoon Nam , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

This paper presents a Convolutional Neural Network (CNN) approach for counting and locating objects in high-density imagery. To the best of our knowledge, this is the first object counting and locating method based on a feature map…

This paper introduces a simple but highly efficient ensemble for robust texture classification, which can effectively deal with translation, scale and changes of significant viewpoint problems. The proposed method first inherits the spirit…

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

Robots are often required to localize in environments with unknown object classes and semantic ambiguity. However, when performing global localization using semantic objects, high semantic ambiguity intensifies object misclassification and…

机器人学 · 计算机科学 2025-12-16 Gihyeon Lee , Jungwoo Lee , Juwon Kim , Young-Sik Shin , Younggun Cho

Image segmentation has long been a basic problem in computer vision. Depth-wise Layering is a kind of segmentation that slices an image in a depth-wise sequence unlike the conventional image segmentation problems dealing with surface-wise…

计算机视觉与模式识别 · 计算机科学 2020-11-22 Seyedsaeid Mirkamali , P. Nagabhushan

Arbitrary-shaped text detection is an important and challenging task in computer vision. Most existing methods require heavy data labeling efforts to produce polygon-level text region labels for supervised training. In order to reduce the…

计算机视觉与模式识别 · 计算机科学 2020-12-02 Mengbiao Zhao , Wei Feng , Fei Yin , Xu-Yao Zhang , Cheng-Lin Liu

Strong Lensing is a powerful probe of the matter distribution in galaxies and clusters and a relevant tool for cosmography. Analyses of strong gravitational lenses with Deep Learning have become a popular approach due to these astronomical…

Region-based methods have become increasingly popular for model-based, monocular 3D tracking of texture-less objects in cluttered scenes. However, while they achieve state-of-the-art results, most methods are computationally expensive,…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Manuel Stoiber , Martin Pfanne , Klaus H. Strobl , Rudolph Triebel , Alin Albu-Schäffer