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Fine-grained category discovery using only coarse-grained supervision is a cost-effective yet challenging task. Previous training methods focus on aligning query samples with positive samples and distancing them from negatives. They often…

人工智能 · 计算机科学 2025-02-07 Chang Tian , Matthew B. Blaschko , Wenpeng Yin , Mingzhe Xing , Yinliang Yue , Marie-Francine Moens

Fine-grained image classification is a challenging task due to the large intra-class variance and small inter-class variance, aiming at recognizing hundreds of sub-categories belonging to the same basic-level category. Most existing…

计算机视觉与模式识别 · 计算机科学 2017-11-29 Xiangteng He , Yuxin Peng

Multi-Modal Self-Supervised Learning from videos has been shown to improve model's performance on various downstream tasks. However, such Self-Supervised pre-training requires large batch sizes and a large amount of computation resources…

计算机视觉与模式识别 · 计算机科学 2021-12-24 Duo Wang , Salah Karout

We propose a scheme for supervised image classification that uses privileged information, in the form of keypoint annotations for the training data, to learn strong models from small and/or biased training sets. Our main motivation is the…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Andres C. Rodriguez , Stefano D'Aronco , Konrad Schindler , Jan Dirk Wegner

The ability to automatically learn task specific feature representations has led to a huge success of deep learning methods. When large training data is scarce, such as in medical imaging problems, transfer learning has been very effective.…

计算机视觉与模式识别 · 计算机科学 2017-04-21 Hariharan Ravishankar , Prasad Sudhakar , Rahul Venkataramani , Sheshadri Thiruvenkadam , Pavan Annangi , Narayanan Babu , Vivek Vaidya

This paper introduces FGVC-Aircraft, a new dataset containing 10,000 images of aircraft spanning 100 aircraft models, organised in a three-level hierarchy. At the finer level, differences between models are often subtle but always visually…

计算机视觉与模式识别 · 计算机科学 2013-06-24 Subhransu Maji , Esa Rahtu , Juho Kannala , Matthew Blaschko , Andrea Vedaldi

Hyperspectral imaging is a rich source of data, allowing for multitude of effective applications. However, such imaging remains challenging because of large data dimension and, typically, small pool of available training examples. While…

神经与进化计算 · 计算机科学 2020-10-23 Wojciech Masarczyk , Przemysław Głomb , Bartosz Grabowski , Mateusz Ostaszewski

In contrast to supervised backpropagation-based feature learning in deep neural networks (DNNs), an unsupervised feedforward feature (UFF) learning scheme for joint classification and segmentation of 3D point clouds is proposed in this…

计算机视觉与模式识别 · 计算机科学 2020-09-04 Min Zhang , Pranav Kadam , Shan Liu , C. -C. Jay Kuo

We aim to provide a computationally cheap yet effective approach for fine-grained image classification (FGIC) in this letter. Unlike previous methods that rely on complex part localization modules, our approach learns fine-grained features…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Wei Luo , Hengmin Zhang , Jun Li , Xiu-Shen Wei

Fine-grained classification is a challenging task that involves identifying subtle differences between objects within the same category. This task is particularly challenging in scenarios where data is scarce. Visual transformers (ViT) have…

计算机视觉与模式识别 · 计算机科学 2023-05-18 Manuel Lagunas , Brayan Impata , Victor Martinez , Virginia Fernandez , Christos Georgakis , Sofia Braun , Felipe Bertrand

Multisource image analysis that leverages complementary spectral, spatial, and structural information benefits fine-grained object recognition that aims to classify an object into one of many similar subcategories. However, for multisource…

计算机视觉与模式识别 · 计算机科学 2021-05-27 Bulut Aygunes , Ramazan Gokberk Cinbis , Selim Aksoy

As a consequence of an ever-increasing number of service robots, there is a growing demand for highly accurate real-time 3D object recognition. Considering the expansion of robot applications in more complex and dynamic environments,it is…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Nils Keunecke , S. Hamidreza Kasaei

Fine-tuning is a popular way of exploiting knowledge contained in a pre-trained convolutional network for a new visual recognition task. However, the orthogonal setting of transferring knowledge from a pretrained network to a visually…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Amelie Royer , Christoph H. Lampert

A semi-supervised learning framework using the feedforward-designed convolutional neural networks (FF-CNNs) is proposed for image classification in this work. One unique property of FF-CNNs is that no backpropagation is used in model…

计算机视觉与模式识别 · 计算机科学 2019-02-07 Yueru Chen , Yijing Yang , Min Zhang , C. -C. Jay Kuo

Deep convolutional neural networks have shown high efficiency in computer visions and other applications. However, with the increase in the depth of the networks, the computational complexity is growing exponentially. In this paper, we…

机器学习 · 计算机科学 2021-01-08 Ali Mirzaeian , Sai Manoj , Ashkan Vakil , Houman Homayoun , Avesta Sasan

Cross-media retrieval is to return the results of various media types corresponding to the query of any media type. Existing researches generally focus on coarse-grained cross-media retrieval. When users submit an image of "Slaty-backed…

信息检索 · 计算机科学 2019-11-01 Xiangteng He , Yuxin Peng , Liu Xie

Given a training dataset composed of images and corresponding category labels, deep convolutional neural networks show a strong ability in mining discriminative parts for image classification. However, deep convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2019-03-08 Weifeng Ge , Xiangru Lin , Yizhou Yu

Automated identification of insects is a tough task where many challenges like data limitation, imbalanced data count, and background noise needs to be overcome for better performance. This paper describes such an image dataset which…

多媒体 · 计算机科学 2021-01-28 D. L. Abeywardhana , C. D. Dangalle , Anupiya Nugaliyadde , Yashas Mallawarachchi

Understanding the patterns of misclassified ImageNet images is particularly important, as it could guide us to design deep neural networks (DNN) that generalize better. However, the richness of ImageNet imposes difficulties for researchers…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Shixian Wen , Amanda Sofie Rios , Kiran Lekkala , Laurent Itti

It is easier to hear birds than see them. However, they still play an essential role in nature and are excellent indicators of deteriorating environmental quality and pollution. Recent advances in Deep Neural Networks allow us to process…

声音 · 计算机科学 2022-07-05 Marcos V. Conde , Ui-Jin Choi