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Currently available star cluster catalogues from HST imaging of nearby galaxies heavily rely on visual inspection and classification of candidate clusters. The time-consuming nature of this process has limited the production of reliable…

Many current deep learning approaches make extensive use of backbone networks pre-trained on large datasets like ImageNet, which are then fine-tuned to perform a certain task. In remote sensing, the lack of comparable large annotated…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Konrad Heidler , Lichao Mou , Di Hu , Pu Jin , Guangyao Li , Chuang Gan , Ji-Rong Wen , Xiao Xiang Zhu

With the onset of large-scale astronomical surveys capturing millions of images, there is an increasing need to develop fast and accurate deconvolution algorithms that generalize well to different images. A powerful and accessible…

Instrumentation and Methods for Astrophysics · Physics 2022-11-18 Utsav Akhaury , Jean-Luc Starck , Pascale Jablonka , Frédéric Courbin , Kevin Michalewicz

Establishing accurate morphological measurements of galaxies in a reasonable amount of time for future big-data surveys such as EUCLID, the Large Synoptic Survey Telescope or the Wide Field Infrared Survey Telescope is a challenge. Because…

Instrumentation and Methods for Astrophysics · Physics 2017-06-14 D. Tuccillo , M. Huertas-Company , E. Decenciere , S. Velasco-Forero

In this paper we test the use of a deep learning approach to automatically count Wandering Albatrosses in Very High Resolution (VHR) satellite imagery. We use a dataset of manually labelled imagery provided by the British Antarctic Survey…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Ellen Bowler , Peter T. Fretwell , Geoffrey French , Michal Mackiewicz

We address the challenge of getting efficient yet accurate recognition systems with limited labels. While recognition models improve with model size and amount of data, many specialized applications of computer vision have severe resource…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Kenneth Borup , Cheng Perng Phoo , Bharath Hariharan

The field of image classification has shown an outstanding success thanks to the development of deep learning techniques. Despite the great performance obtained, most of the work has focused on natural images ignoring other domains like…

Computer Vision and Pattern Recognition · Computer Science 2019-02-07 Manuel Lagunas , Elena Garces

Communication scene recognition has been widely applied in practice, but using deep learning to address this problem faces challenges such as insufficient data and imbalanced data distribution. To address this, we designed a weighted loss…

Econometrics · Economics 2026-02-10 Jiasong Han , Yufei Feng , Xiaofeng Zhong

Efficient and accurate object detection in video and image analysis is one of the major beneficiaries of the advancement in computer vision systems with the help of deep learning. With the aid of deep learning, more powerful tools evolved,…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Karthik E

We consider the problem of discovering novel object categories in an image collection. While these images are unlabelled, we also assume prior knowledge of related but different image classes. We use such prior knowledge to reduce the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Kai Han , Andrea Vedaldi , Andrew Zisserman

Transfer learning, which allows a source task to affect the inductive bias of the target task, is widely used in computer vision. The typical way of conducting transfer learning with deep neural networks is to fine-tune a model pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Yunhui Guo , Honghui Shi , Abhishek Kumar , Kristen Grauman , Tajana Rosing , Rogerio Feris

We propose a transfer learning-based solution for the problem of multiple class novelty detection. In particular, we propose an end-to-end deep-learning based approach in which we investigate how the knowledge contained in an external,…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Pramuditha Perera , Vishal M. Patel

Transfer learning for deep neural networks is the process of first training a base network on a source dataset, and then transferring the learned features (the network's weights) to a second network to be trained on a target dataset. This…

Machine Learning · Computer Science 2019-01-29 Hassan Ismail Fawaz , Germain Forestier , Jonathan Weber , Lhassane Idoumghar , Pierre-Alain Muller

We introduce a novel weighted convolution operator that enhances traditional convolutional neural networks (CNNs) by integrating a spatial density function into the convolution operator. This extension enables the network to differentially…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Simone Cammarasana , Giuseppe Patanè

We explore means to advance source camera identification based on sensor noise in a data-driven framework. Our focus is on improving the sensor pattern noise (SPN) extraction from a single image at test time. Where existing works suppress…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Matthias Kirchner , Cameron Johnson

Transfer learning through fine-tuning a pre-trained neural network with an extremely large dataset, such as ImageNet, can significantly accelerate training while the accuracy is frequently bottlenecked by the limited dataset size of the new…

Machine Learning · Computer Science 2020-05-14 Xingjian Li , Haoyi Xiong , Hanchao Wang , Yuxuan Rao , Liping Liu , Zeyu Chen , Jun Huan

We study efficient deep learning training algorithms that process received wireless signals, if a test Signal to Noise Ratio (SNR) estimate is available. We focus on two tasks that facilitate source identification: 1- Identifying the…

Machine Learning · Computer Science 2020-04-21 Xingchen Wang , Shengtai Ju , Xiwen Zhang , Sharan Ramjee , Aly El Gamal

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.…

Computer Vision and Pattern Recognition · Computer Science 2017-04-21 Hariharan Ravishankar , Prasad Sudhakar , Rahul Venkataramani , Sheshadri Thiruvenkadam , Pavan Annangi , Narayanan Babu , Vivek Vaidya

To streamline fast-track processing of large data volumes, we have developed a deep learning approach to deblend seismic data in the shot domain based on a practical strategy for generating high-quality training data along with a list of…

Geophysics · Physics 2024-09-16 Jing Sun , Song Hou , Vetle Vinje , Gordon Poole , Leiv-J Gelius

We propose a Deep Texture Encoding Network (Deep-TEN) with a novel Encoding Layer integrated on top of convolutional layers, which ports the entire dictionary learning and encoding pipeline into a single model. Current methods build from…

Computer Vision and Pattern Recognition · Computer Science 2016-12-12 Hang Zhang , Jia Xue , Kristin Dana