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Related papers: Instance Retrieval at Fine-grained Level Using Mul…

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Intra-class variations in the open world lead to various challenges in classification tasks. To overcome these challenges, fine-grained classification was introduced, and many approaches were proposed. Some rely on locating and using…

Computer Vision and Pattern Recognition · Computer Science 2023-02-10 Salwa Al Khatib , Mohamed El Amine Boudjoghra , Jameel Hassan

Training an accurate object detector is expensive and time-consuming. One main reason lies in the laborious labeling process, i.e., annotating category and bounding box information for all instances in every image. In this paper, we examine…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Qing Tian , Sampath Chanda , K C Amit Kumar , Douglas Gray

We propose a method for the weakly supervised detection of objects in paintings. At training time, only image-level annotations are needed. This, combined with the efficiency of our multiple-instance learning method, enables one to learn…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Nicolas Gonthier , Yann Gousseau , Said Ladjal , Olivier Bonfait

We present a novel deep convolutional neural network (DCNN) system for fine-grained image classification, called a mixture of DCNNs (MixDCNN). The fine-grained image classification problem is characterised by large intra-class variations…

Computer Vision and Pattern Recognition · Computer Science 2015-12-01 ZongYuan Ge , Alex Bewley , Christopher McCool , Ben Upcroft , Peter Corke , Conrad Sanderson

Recent advances in multimodal large language models (MLLMs) have substantially expanded the capabilities of multimodal retrieval, enabling systems to align and retrieve information across visual and textual modalities. Yet, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Xuan Lu , Kangle Li , Haohang Huang , Rui Meng , Wenjun Zeng , Xiaoyu Shen

Instance Segmentation, which seeks to obtain both class and instance labels for each pixel in the input image, is a challenging task in computer vision. State-of-the-art algorithms often employ two separate stages, the first one generating…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Jialin Yuan , Chao Chen , Li Fuxin

Feature means countenance, remote sensing scene objects with similar characteristics, associated to interesting scene elements in the image formation process. They are classified into three types in image processing, that is low, middle and…

Computer Vision and Pattern Recognition · Computer Science 2013-07-18 T. Dharani , I. Laurence Aroquiaraj

Current approaches for fine-grained recognition do the following: First, recruit experts to annotate a dataset of images, optionally also collecting more structured data in the form of part annotations and bounding boxes. Second, train a…

Computer Vision and Pattern Recognition · Computer Science 2016-10-19 Jonathan Krause , Benjamin Sapp , Andrew Howard , Howard Zhou , Alexander Toshev , Tom Duerig , James Philbin , Li Fei-Fei

In this paper, we categorize fine-grained images without using any object / part annotation neither in the training nor in the testing stage, a step towards making it suitable for deployments. Fine-grained image categorization aims to…

Computer Vision and Pattern Recognition · Computer Science 2016-05-04 Yu Zhang , Xiu-shen Wei , Jianxin Wu , Jianfei Cai , Jiangbo Lu , Viet-Anh Nguyen , Minh N. Do

While fine-grained object recognition is an important problem in computer vision, current models are unlikely to accurately classify objects in the wild. These fully supervised models need additional annotated images to classify objects in…

Computer Vision and Pattern Recognition · Computer Science 2017-09-11 Timnit Gebru , Judy Hoffman , Li Fei-Fei

Existing real-world super-resolution (RSR) methods based on generative priors have achieved remarkable progress in producing high-quality and globally consistent reconstructions. However, they often struggle to recover fine-grained details…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Zixin Guo , Kai Zhao , Luyan Zhang

The recent progress in sparse coding and deep learning has made unsupervised feature learning methods a strong competitor to hand-crafted descriptors. In computer vision, success stories of learned features have been predominantly reported…

Computer Vision and Pattern Recognition · Computer Science 2014-08-14 Wenbin Li , Mario Fritz

We propose an efficient pipeline for large-scale landmark image retrieval that addresses the diversity of the dataset through two-stage discriminative re-ranking. Our approach is based on embedding the images in a feature-space using a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Shuhei Yokoo , Kohei Ozaki , Edgar Simo-Serra , Satoshi Iizuka

Recent results indicate that the generic descriptors extracted from the convolutional neural networks are very powerful. This paper adds to the mounting evidence that this is indeed the case. We report on a series of experiments conducted…

Computer Vision and Pattern Recognition · Computer Science 2014-05-13 Ali Sharif Razavian , Hossein Azizpour , Josephine Sullivan , Stefan Carlsson

Text in natural images contains rich semantics that are often highly relevant to objects or scene. In this paper, we focus on the problem of fully exploiting scene text for visual understanding. The main idea is combining word…

Computer Vision and Pattern Recognition · Computer Science 2017-05-31 Xiang Bai , Mingkun Yang , Pengyuan Lyu , Yongchao Xu , Jiebo Luo

Fine-grained vehicle classification is the task of classifying make, model, and year of a vehicle. This is a very challenging task, because vehicles of different types but similar color and viewpoint can often look much more similar than…

Computer Vision and Pattern Recognition · Computer Science 2018-06-11 Krassimir Valev , Arne Schumann , Lars Sommer , Jürgen Beyerer

Sketch has been employed as an effective communicative tool to express the abstract and intuitive meanings of object. Recognizing the free-hand sketch drawing is extremely useful in many real-world applications. While content-based sketch…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 Peng Lu , Hangyu Lin , Yanwei Fu , Shaogang Gong , Yu-Gang Jiang , Xiangyang Xue

The combination of global and partial features has been an essential solution to improve discriminative performances in person re-identification (Re-ID) tasks. Previous part-based methods mainly focus on locating regions with specific…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 Guanshuo Wang , Yufeng Yuan , Xiong Chen , Jiwei Li , Xi Zhou

Salient object detection is a fundamental problem and has been received a great deal of attentions in computer vision. Recently deep learning model became a powerful tool for image feature extraction. In this paper, we propose a multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2018-01-15 Fen Xiao , Wenzheng Deng , Liangchan Peng , Chunhong Cao , Kai Hu , Xieping Gao

Given a food image, can a fine-grained object recognition engine tell "which restaurant which dish" the food belongs to? Such ultra-fine grained image recognition is the key for many applications like search by images, but it is very…

Computer Vision and Pattern Recognition · Computer Science 2015-12-11 Feng Zhou , Yuanqing Lin