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Image distortion classification and detection is an important task in many applications. For example when compressing images, if we know the exact location of the distortion, then it is possible to re-compress images by adjusting the local…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Namhyuk Ahn , Byungkon Kang , Kyung-Ah Sohn

Video salient object detection aims to find the most visually distinctive objects in a video. To explore the temporal dependencies, existing methods usually resort to recurrent neural networks or optical flow. However, these approaches…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Yi-Wen Chen , Xiaojie Jin , Xiaohui Shen , Ming-Hsuan Yang

With large numbers of transients discovered by current and future imaging surveys, machine learning is increasingly applied to light curve and host galaxy properties to select events for follow-up. However, finding rare types of transients…

Instrumentation and Methods for Astrophysics · Physics 2025-12-17 Xinyue Sheng , Tuan Dung Pham , Zichi Zhang , Matt Nicholl , Thai Son Mai

The influence of atmospheric turbulence on acquired surveillance imagery poses significant challenges in image interpretation and scene analysis. Conventional approaches for target classification and tracking are less effective under such…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Disen Hu , Nantheera Anantrasirichai

This study introduces a method for efficiently detecting objects within 3D point clouds using convolutional neural networks (CNNs). Our approach adopts a unique feature-centric voting mechanism to construct convolutional layers that…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Tianyi Lyu , Dian Gu , Peiyuan Chen , Yaoting Jiang , Zhenhong Zhang , Huadong Pang , Li Zhou , Yiping Dong

In this paper, we propose a novel method for video anomaly detection motivated by an existing architecture for sequence-to-sequence prediction and reconstruction using a spatio-temporal convolutional Long Short-Term Memory (convLSTM). As in…

Computer Vision and Pattern Recognition · Computer Science 2022-05-19 Hanh Thi Minh Tran , David Hogg

Deep saliency prediction algorithms complement the object recognition features, they typically rely on additional information, such as scene context, semantic relationships, gaze direction, and object dissimilarity. However, none of these…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Bahar Aydemir , Ludo Hoffstetter , Tong Zhang , Mathieu Salzmann , Sabine Süsstrunk

Recent developments in gradient-based attention modeling have seen attention maps emerge as a powerful tool for interpreting convolutional neural networks. Despite good localization for an individual class of interest, these techniques…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Lezi Wang , Ziyan Wu , Srikrishna Karanam , Kuan-Chuan Peng , Rajat Vikram Singh , Bo Liu , Dimitris N. Metaxas

Visual question answering (VQA) has witnessed great progress since May, 2015 as a classic problem unifying visual and textual data into a system. Many enlightening VQA works explore deep into the image and question encodings and fusing…

Computer Vision and Pattern Recognition · Computer Science 2017-02-23 Yuetan Lin , Zhangyang Pang , Donghui Wang , Yueting Zhuang

We introduce ReConvNet, a recurrent convolutional architecture for semi-supervised video object segmentation that is able to fast adapt its features to focus on any specific object of interest at inference time. Generalization to new…

Computer Vision and Pattern Recognition · Computer Science 2018-06-19 Francesco Lattari , Marco Ciccone , Matteo Matteucci , Jonathan Masci , Francesco Visin

Visual attention mechanisms have proven to be integrally important constituent components of many modern deep neural architectures. They provide an efficient and effective way to utilize visual information selectively, which has shown to be…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Siddhesh Khandelwal , Leonid Sigal

Deep learning models, specifically convolutional neural networks, have transformed the landscape of image classification by autonomously extracting features directly from raw pixel data. This article introduces an innovative image…

Image and Video Processing · Electrical Eng. & Systems 2024-12-19 Fatemeh Froughirad , Reza Bakhoda Eshtivani , Hamed Khajavi , Amir Rastgoo

Deep learning methods for classifying medical images have demonstrated impressive accuracy in a wide range of tasks but often these models are hard to interpret, limiting their applicability in clinical practice. In this work we introduce a…

Image and Video Processing · Electrical Eng. & Systems 2019-08-13 James R. Clough , Ilkay Oksuz , Esther Puyol-Anton , Bram Ruijsink , Andrew P. King , Julia A. Schnabel

Convolutional Neural Networks (CNNs) have been consistently proved state-of-the-art results in image Super-Resolution (SR), representing an exceptional opportunity for the remote sensing field to extract further information and knowledge…

Image and Video Processing · Electrical Eng. & Systems 2020-11-02 Francesco Salvetti , Vittorio Mazzia , Aleem Khaliq , Marcello Chiaberge

This study presents a bidirectional Long Short-Term Memory (LSTM) neural network for classifying transient astronomical object light curves from the Photometric LSST Astronomical Time-series Classification Challenge (PLAsTiCC) dataset. The…

Machine Learning · Computer Science 2025-11-25 Guilherme Grancho D. Fernandes , Marco A. Barroca , Mateus dos Santos , Rafael S. Oliveira

We present a novel method for detecting outliers in astronomical time series based on the combination of a deep neural network and a k-nearest neighbor algorithm with the aim of identifying and removing problematic epochs in the light…

Instrumentation and Methods for Astrophysics · Physics 2024-07-24 Stefano Cavuoti , Demetra De Cicco , Lars Doorenbos , Massimo Brescia , Olena Torbaniuk , Giuseppe Longo , Maurizio Paolillo

Despite the impressive progress brought by deep network in visual object recognition, robot vision is still far from being a solved problem. The most successful convolutional architectures are developed starting from ImageNet, a large scale…

Computer Vision and Pattern Recognition · Computer Science 2017-05-08 Antonio D'Innocente , Fabio Maria Carlucci , Mirco Colosi , Barbara Caputo

We present an attention-based model for recognizing multiple objects in images. The proposed model is a deep recurrent neural network trained with reinforcement learning to attend to the most relevant regions of the input image. We show…

Machine Learning · Computer Science 2015-04-24 Jimmy Ba , Volodymyr Mnih , Koray Kavukcuoglu

Human visual attention is a complex phenomenon. A computational modeling of this phenomenon must take into account where people look in order to evaluate which are the salient locations (spatial distribution of the fixations), when they…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Dario Zanca , Stefano Melacci , Marco Gori

This manuscript introduces the problem of prominent object detection and recognition inspired by the fact that human seems to priorities perception of scene elements. The problem deals with finding the most important region of interest,…

Computer Vision and Pattern Recognition · Computer Science 2017-08-07 Hamed R. Tavakoli , Jorma Laaksonen