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Image classification is the task of assigning to an input image a label from a fixed set of categories. One of its most important applicative fields is that of robotics, in particular the needing of a robot to be aware of what's around and…

计算机视觉与模式识别 · 计算机科学 2017-11-23 Lorenzo Alvino

Weakly supervised object localization aims to find a target object region in a given image with only weak supervision, such as image-level labels. Most existing methods use a class activation map (CAM) to generate a localization map;…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Eunji Kim , Siwon Kim , Jungbeom Lee , Hyunwoo Kim , Sungroh Yoon

This paper addresses weakly supervised object detection with only image-level supervision at training stage. Previous approaches train detection models with entire images all at once, making the models prone to being trapped in sub-optimums…

计算机视觉与模式识别 · 计算机科学 2018-04-26 Xiaopeng Zhang , Jiashi Feng , Hongkai Xiong , Qi Tian

The region-based Convolutional Neural Network (CNN) detectors such as Faster R-CNN or R-FCN have already shown promising results for object detection by combining the region proposal subnetwork and the classification subnetwork together.…

计算机视觉与模式识别 · 计算机科学 2017-08-10 Yousong Zhu , Chaoyang Zhao , Jinqiao Wang , Xu Zhao , Yi Wu , Hanqing Lu

Image classification is considered, and a hierarchical max-pooling model with additional local pooling is introduced. Here the additional local pooling enables the hierachical model to combine parts of the image which have a variable…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Benjamin Walter

For video recognition task, a global representation summarizing the whole contents of the video snippets plays an important role for the final performance. However, existing video architectures usually generate it by using a simple, global…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Zilin Gao , Qilong Wang , Bingbing Zhang , Qinghua Hu , Peihua Li

Biologically inspired, from the early HMAX model to Spatial Pyramid Matching, pooling has played an important role in visual recognition pipelines. Spatial pooling, by grouping of local codes, equips these methods with a certain degree of…

计算机视觉与模式识别 · 计算机科学 2015-05-06 Mateusz Malinowski , Mario Fritz

We propose a novel approach for instance-level image retrieval. It produces a global and compact fixed-length representation for each image by aggregating many region-wise descriptors. In contrast to previous works employing pre-trained…

计算机视觉与模式识别 · 计算机科学 2016-07-29 Albert Gordo , Jon Almazan , Jerome Revaud , Diane Larlus

Keypoint detection and description is fundamental yet important in many vision applications. Most existing methods use detect-then-describe or detect-and-describe strategy to learn local features without considering their context…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Siyu Hong , Kunhong Li , Yongcong Zhang , Zhiheng Fu , Mengyi Liu , Yulan Guo

Image co-segmentation is a challenging task in computer vision that aims to segment all pixels of the objects from a predefined semantic category. In real-world cases, however, common foreground objects often vary greatly in appearance,…

计算机视觉与模式识别 · 计算机科学 2018-05-16 Wei Teng , Yu Zhang , Xiaowu Chen , Jia Li , Zhiqiang He

In image retrieval, deep local features learned in a data-driven manner have been demonstrated effective to improve retrieval performance. To realize efficient retrieval on large image database, some approaches quantize deep local features…

图像与视频处理 · 电气工程与系统科学 2021-12-14 Hui Wu , Min Wang , Wengang Zhou , Yang Hu , Houqiang Li

Semantic image segmentation is a principal problem in computer vision, where the aim is to correctly classify each individual pixel of an image into a semantic label. Its widespread use in many areas, including medical imaging and…

计算机视觉与模式识别 · 计算机科学 2016-08-16 Vladimir Nekrasov , Janghoon Ju , Jaesik Choi

Patch-level image representation is very important for object classification and detection, since it is robust to spatial transformation, scale variation, and cluttered background. Many existing methods usually require fine-grained…

计算机视觉与模式识别 · 计算机科学 2017-05-09 Peng Tang , Xinggang Wang , Zilong Huang , Xiang Bai , Wenyu Liu

Weakly Supervised Object Localization (WSOL) methods only require image level labels as opposed to expensive bounding box annotations required by fully supervised algorithms. We study the problem of learning localization model on target…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Amir Rahimi , Amirreza Shaban , Thalaiyasingam Ajanthan , Richard Hartley , Byron Boots

Recent studies have shown that a Deep Convolutional Neural Network (DCNN) pretrained on a large image dataset can be used as a universal image descriptor, and that doing so leads to impressive performance for a variety of image…

计算机视觉与模式识别 · 计算机科学 2016-12-23 Lingqiao Liu , Chunhua Shen , Anton van den Hengel

While many image colorization algorithms have recently shown the capability of producing plausible color versions from gray-scale photographs, they still suffer from the problems of context confusion and edge color bleeding. To address…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Jiaojiao Zhao , Li Liu , Cees G. M. Snoek , Jungong Han , Ling Shao

In this paper we address the problem of unsupervised localization of objects in single images. Compared to previous state-of-the-art method our method is fully unsupervised in the sense that there is no prior instance level or category…

计算机视觉与模式识别 · 计算机科学 2018-04-12 Hakan Karaoguz , Patric Jensfelt

Few-shot learning often involves metric learning-based classifiers, which predict the image label by comparing the distance between the extracted feature vector and class representations. However, applying global pooling in the backend of…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Inyong Koo , Minki Jeong , Changick Kim

The explosion of massive urban data recently has provided us with a valuable opportunity to gain deeper insights into urban regions and the daily lives of residents. Urban region representation learning emerges as a crucial realm for…

社会与信息网络 · 计算机科学 2024-07-03 Zhuo Xu , Xiao Zhou

Worldwide geo-localization involves determining the exact geographic location of images captured globally, typically guided by geographic cues such as climate, landmarks, and architectural styles. Despite advancements in geo-localization…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Furong Jia , Lanxin Liu , Ce Hou , Fan Zhang , Xinyan Liu , Yu Liu