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In this work, we propose a geometry-aware semi-supervised framework for fine-grained building function recognition, utilizing geometric relationships among multi-source data to enhance pseudo-label accuracy in semi-supervised learning,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Weijia Li , Jinhua Yu , Dairong Chen , Yi Lin , Runmin Dong , Xiang Zhang , Conghui He , Haohuan Fu

Learning an object detector or retrieval requires a large data set with manual annotations. Such data sets are expensive and time consuming to create and therefore difficult to obtain on a large scale. In this work, we propose to exploit…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Elad Amrani , Rami Ben-Ari , Tal Hakim , Alex Bronstein

When one wants to train a neural network to perform semantic segmentation, creating pixel-level annotations for each of the images in the database is a tedious task. If he works with aerial or satellite images, which are usually very large,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Adrien Nivaggioli , Hicham Randrianarivo

Image segmentation is the task of associating pixels in an image with their respective object class labels. It has a wide range of applications in many industries including healthcare, transportation, robotics, fashion, home improvement,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Yuanbo Wang , Unaiza Ahsan , Hanyan Li , Matthew Hagen

Semantic segmentation is the task of classifying each pixel in an image. Training a segmentation model achieves best results using annotated images, where each pixel is annotated with the corresponding class. When obtaining fine annotations…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Jort de Jong , Mike Holenderski

Large Vision-Language Models (LVLMs) have demonstrated impressive performance on vision-language reasoning tasks. However, their potential for zero-shot fine-grained image classification, a challenging task requiring precise differentiation…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Md. Atabuzzaman , Andrew Zhang , Chris Thomas

Fine-Grained Visual Categorization (FGVC) has achieved significant progress recently. However, the number of fine-grained species could be huge and dynamically increasing in real scenarios, making it difficult to recognize unseen objects…

Computer Vision and Pattern Recognition · Computer Science 2017-07-05 Hantao Yao , Shiliang Zhang , Yongdong Zhang , Jintao Li , Qi Tian

We propose an end-to-end learning framework for segmenting generic objects in both images and videos. Given a novel image or video, our approach produces a pixel-level mask for all "object-like" regions---even for object categories never…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Bo Xiong , Suyog Dutt Jain , Kristen Grauman

Existing image-to-image transformation approaches primarily focus on synthesizing visually pleasing data. Generating images with correct identity labels is challenging yet much less explored. It is even more challenging to deal with image…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Wei Xiong , Yutong He , Yixuan Zhang , Wenhan Luo , Lin Ma , Jiebo Luo

This paper addresses the semantic instance segmentation task in the open-set conditions, where input images can contain known and unknown object classes. The training process of existing semantic instance segmentation methods requires…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Trung Pham , Vijay Kumar B G , Thanh-Toan Do , Gustavo Carneiro , Ian Reid

Challenging computer vision tasks, in particular semantic image segmentation, require large training sets of annotated images. While obtaining the actual images is often unproblematic, creating the necessary annotation is a tedious and…

Computer Vision and Pattern Recognition · Computer Science 2015-04-29 Alexander Kolesnikov , Christoph H. Lampert

Cell shape analysis is important in biomedical research. Deep learning methods may perform to segment individual cells if they use sufficient training data that the boundary of each cell is annotated. However, it is very time-consuming for…

Image and Video Processing · Electrical Eng. & Systems 2020-02-26 Kazuya Nishimura , Dai Fei Elmer Ker , Ryoma Bise

We have seen significant leapfrog advancement in machine learning in recent decades. The central idea of machine learnability lies on constructing learning algorithms that learn from good data. The availability of more data being made…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Ng Hui Xian Lynnette , Henry Ng Siong Hock , Nguwi Yok Yen

Learning to recognize novel visual categories from a few examples is a challenging task for machines in real-world industrial applications. In contrast, humans have the ability to discriminate even similar objects with little supervision.…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Xin Sun , Hongwei Xv , Junyu Dong , Qiong Li , Changrui Chen

Fine-grained image recognition is very challenging due to the difficulty of capturing both semantic global features and discriminative local features. Meanwhile, these two features are not easy to be integrated, which are even conflicting…

Computer Vision and Pattern Recognition · Computer Science 2021-02-22 Shaokang Yang , Shuai Liu , Cheng Yang , Changhu Wang

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…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Peng Tang , Xinggang Wang , Zilong Huang , Xiang Bai , Wenyu Liu

Nuclei segmentation is a fundamental task in histopathology image analysis. Typically, such segmentation tasks require significant effort to manually generate accurate pixel-wise annotations for fully supervised training. To alleviate such…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Hui Qu , Pengxiang Wu , Qiaoying Huang , Jingru Yi , Zhennan Yan , Kang Li , Gregory M. Riedlinger , Subhajyoti De , Shaoting Zhang , Dimitris N. Metaxas

Part models of object categories are essential for challenging recognition tasks, where differences in categories are subtle and only reflected in appearances of small parts of the object. We present an approach that is able to learn part…

Computer Vision and Pattern Recognition · Computer Science 2015-12-08 Marcel Simon , Erik Rodner

This paper tackles the problem of learning a finer representation than the one provided by training labels. This enables fine-grained category retrieval of images in a collection annotated with coarse labels only. Our network is learned…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Hugo Touvron , Alexandre Sablayrolles , Matthijs Douze , Matthieu Cord , Hervé Jégou

It is natural to represent objects in terms of their parts. This has the potential to improve the performance of algorithms for object recognition and segmentation but can also help for downstream tasks like activity recognition. Research…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Ju He , Shuo Yang , Shaokang Yang , Adam Kortylewski , Xiaoding Yuan , Jie-Neng Chen , Shuai Liu , Cheng Yang , Qihang Yu , Alan Yuille