English
Related papers

Related papers: Re-rank Coarse Classification with Local Region En…

200 papers

Fine-grained image classification, the task of distinguishing between visually similar subcategories within a broader category (e.g., bird species, car models, flower types), is a challenging computer vision problem. Traditional approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Dmitry Demidov , Zaigham Zaheer , Omkar Thawakar , Salman Khan , Fahad Shahbaz Khan

An increasing number of applications in computer vision, specially, in medical imaging and remote sensing, become challenging when the goal is to classify very large images with tiny informative objects. Specifically, these classification…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Fanjie Kong , Ricardo Henao

With the development of computational power and techniques for data collection, deep learning demonstrates a superior performance over most existing algorithms on visual benchmark data sets. Many efforts have been devoted to studying the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Yuanhong Xu , Qi Qian , Hao Li , Rong Jin , Juhua Hu

We present a new solution to the fine-grained retrieval of clean CAD models from a large-scale database in order to recover detailed object shape geometries for RGBD scans. Unlike previous work simply indexing into a moderately small…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Jiaxin Wei , Lan Hu , Chenyu Wang , Laurent Kneip

Fine-grained visual categorization (FGVC) is an important but challenging task due to high intra-class variances and low inter-class variances caused by deformation, occlusion, illumination, etc. An attention convolutional binary neural…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Ruyi Ji , Longyin Wen , Libo Zhang , Dawei Du , Yanjun Wu , Chen Zhao , Xianglong Liu , Feiyue Huang

Labeling a classification dataset implies to define classes and associated coarse labels, that may approximate a smoother and more complicated ground truth. For example, natural images may contain multiple objects, only one of which is…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Raphael Baena , Lucas Drumetz , Vincent Gripon

The reconstruction of indoor scenes from multi-view RGB images is challenging due to the coexistence of flat and texture-less regions alongside delicate and fine-grained regions. Recent methods leverage neural radiance fields aided by…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Sheng Ye , Yubin Hu , Matthieu Lin , Yu-Hui Wen , Wang Zhao , Yong-Jin Liu , Wenping Wang

Referring image segmentation segments an image from a language expression. With the aim of producing high-quality masks, existing methods often adopt iterative learning approaches that rely on RNNs or stacked attention layers to refine…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Zhao Yang , Jiaqi Wang , Yansong Tang , Kai Chen , Hengshuang Zhao , Philip H. S. Torr

There is a vast body of theoretical research on lifted inference in probabilistic graphical models (PGMs). However, few demonstrations exist where lifting is applied in conjunction with top of the line applied algorithms. We pursue the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-31 Haroun Habeeb , Ankit Anand , Mausam , Parag Singla

The emerging task of fine-grained image classification in low-data regimes assumes the presence of low inter-class variance and large intra-class variation along with a highly limited amount of training samples per class. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-01 Dmitry Demidov , Abduragim Shtanchaev , Mihail Mihaylov , Mohammad Almansoori

Fine-grained classification remains a challenging task because distinguishing categories needs learning complex and local differences. Diversity in the pose, scale, and position of objects in an image makes the problem even more difficult.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Mahdi Darvish , Mahsa Pouramini , Hamid Bahador

Long-term visual localization is the problem of estimating the camera pose of a given query image in a scene whose appearance changes over time. It is an important problem in practice, for example, encountered in autonomous driving. In…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Måns Larsson , Erik Stenborg , Carl Toft , Lars Hammarstrand , Torsten Sattler , Fredrik Kahl

Rank-based Learning with deep neural network has been widely used for image cropping. However, the performance of ranking-based methods is often poor and this is mainly due to two reasons: 1) image cropping is a listwise ranking task rather…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Weirui Lu , Xiaofen Xing , Bolun Cai , Xiangmin Xu

Fine-grained image search is still a challenging problem due to the difficulty in capturing subtle differences regardless of pose variations of objects from fine-grained categories. In practice, a dynamic inventory with new fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2018-07-09 Kevin Lin , Fan Yang , Qiaosong Wang , Robinson Piramuthu

We consider the problem of localizing and segmenting individual teeth inside 3D Cone-Beam Computed Tomography (CBCT) images. To handle large image sizes we approach this task with a coarse-to-fine framework, where the whole volume is first…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Matvey Ezhov , Adel Zakirov , Maxim Gusarev

The existing convolutional neural network pruning algorithms can be divided into two categories: coarse-grained clipping and fine-grained clipping. This paper proposes a coarse and fine-grained automatic pruning algorithm, which can achieve…

Computer Vision and Pattern Recognition · Computer Science 2020-10-15 Jingfei Chang

In the large-scale image retrieval task, the two most important requirements are the discriminability of image representations and the efficiency in computation and storage of representations. Regarding the former requirement, Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Thanh-Toan Do , Tuan Hoang , Dang-Khoa Le Tan , Huu Le , Tam V. Nguyen , Ngai-Man Cheung

Previous work has shown that feature maps of deep convolutional neural networks (CNNs) can be interpreted as feature representation of a particular image region. Features aggregated from these feature maps have been exploited for image…

Computer Vision and Pattern Recognition · Computer Science 2016-11-08 Jiedong Hao , Jing Dong , Wei Wang , Tieniu Tan

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…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Hasan AlMarzouqi , Lyes Saad Saoud

Fine-grained visual recognition typically depends on modeling subtle difference from object parts. However, these parts often exhibit dramatic visual variations such as occlusions, viewpoints, and spatial transformations, making it hard to…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Lin Wu , Yang Wang