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Deep convolutional neural network significantly boosted the capability of salient object detection in handling large variations of scenes and object appearances. However, convolution operations seek to generate strong responses on…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Sanping Zhou , Jimuyang Zhang , Jinjun Wang , Fei Wang , Dong Huang

The present study proposes a new approach to automated screening of Clinically Significant Macular Edema (CSME) and addresses two major challenges associated with such screenings, i.e., exudate segmentation and imbalanced datasets. The…

Image and Video Processing · Electrical Eng. & Systems 2020-01-22 Renoh Johnson Chalakkal , Faizal Hafiz , Waleed Abdulla , Akshya Swain

The task of blood vessel segmentation in microscopy images is crucial for many diagnostic and research applications. However, vessels can look vastly different, depending on the transient imaging conditions, and collecting data for…

Image and Video Processing · Electrical Eng. & Systems 2019-08-19 Shir Gur , Lior Wolf , Lior Golgher , Pablo Blinder

Flares are a well-studied aspect of the Sun's magnetic activity. Detecting and classifying solar flares can inform the analysis of contamination caused by stellar flares in exoplanet transmission spectra. In this paper, we present a…

Solar and Stellar Astrophysics · Physics 2024-06-25 Nicole Hao , Laura Flagg , Ray Jayawardhana

Solar-energy plays an important role in solving serious environmental problems and meeting high-energy demand. However, the lack of suitable materials hinders further progress of this technology. Here, we present the largest inorganic…

Materials Science · Physics 2019-12-17 Kamal Choudhary , Marnik Bercx , Jie Jiang , Ruth Pachter , Dirk Lamoen , Francesca Tavazza

Solar photovoltaic (PV) modules are prone to damage during manufacturing, installation and operation which reduces their power conversion efficiency. This diminishes their positive environmental impact over the lifecycle. Continuous…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Swayam Rajat Mohanty , Moin Uddin Maruf , Vaibhav Singh , Zeeshan Ahmad

Infrared (IR) image segmentation is essential in many urban defence applications, such as pedestrian surveillance, vehicle counting, security monitoring, etc. Active contour model (ACM) is one of the most widely used image segmentation…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Qinyan Huang , Weiwen Zhou , Minjie Wan , Xin Chen , Qian Chen , Guohua Gu

In recent times, the availability of inexpensive image capturing devices such as smartphones/tablets has led to an exponential increase in the number of images/videos captured. However, sometimes the amateur photographer is hindered by…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Sankaraganesh Jonna , Krishna Kanth Nakka , Rajiv R. Sahay

Recent object detection systems rely on two critical steps: (1) a set of object proposals is predicted as efficiently as possible, and (2) this set of candidate proposals is then passed to an object classifier. Such approaches have been…

Computer Vision and Pattern Recognition · Computer Science 2015-09-02 Pedro O. Pinheiro , Ronan Collobert , Piotr Dollar

Automated f ault detection and monitoring in engineering are critical but frequently difficult owing to the necessity for collecting and labeling large amounts of defective samples . We present an unsupervised method that uses the high end…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Ahmed Maged , Herman Shen

Our PACS and SPIRE images of the Aquila Rift and part of the Polaris Flare regions, taken during the science demonstration phase of Herschel discovered fascinating, omnipresent filamentary structures that appear to be physically related to…

According to the current standard model of Cosmology, matter in the Universe arranges itself along a network of filamentary structure. These filaments connect the main nodes of this so-called 'Cosmic Web', which are clusters of galaxies.…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Matteo Maturi , Julian Merten

Solar active regions (ARs) are the primary source of solar eruptions and space weather. Accurate detection and tracking of ARs is crucial for understanding their evolution and predicting solar activities. In the previous work, based on the…

Solar and Stellar Astrophysics · Physics 2026-05-25 C. X. Shi , Q. Hao , P. F. Chen , Y. Guo

In this paper we present a new framework for the solution of active contour models on graphs. With the use of the Finite Element Method we generalize active contour models on graphs and reduce the problem from a partial differential…

Computer Vision and Pattern Recognition · Computer Science 2017-10-13 Nikolaos Kolotouros , Petros Maragos

Photovoltaic cells are electronic devices that convert light energy to electricity, forming the backbone of solar energy harvesting systems. An essential step in the manufacturing process for photovoltaic cells is visual quality inspection…

Image and Video Processing · Electrical Eng. & Systems 2022-04-26 Carol Xu , Mahmoud Famouri , Gautam Bathla , Saeejith Nair , Mohammad Javad Shafiee , Alexander Wong

Using the complementary wave- and particle-like natures of photons, it is possible to make ``interaction-free'' measurements where the presence of an object can be determined with no photons being absorbed. We investigated several…

Quantum Physics · Physics 2009-10-31 Andrew G. White , Jay R. Mitchell , Olaf Nairz , Paul G. Kwiat

In the operation & maintenance (O&M) of photovoltaic (PV) plants, the early identification of failures has become crucial to maintain productivity and prolong components' life. Of all defects, cell-level anomalies can lead to serious…

Computer Vision and Pattern Recognition · Computer Science 2022-01-17 Urtzi Otamendi , Iñigo Martinez , Marco Quartulli , Igor G. Olaizola , Elisabeth Viles , Werther Cambarau

Choosing how to encode a real-world problem as a machine learning task is an important design decision in machine learning. The task of glacier calving front modeling has often been approached as a semantic segmentation task. Recent studies…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Konrad Heidler , Lichao Mou , Erik Loebel , Mirko Scheinert , Sébastien Lefèvre , Xiao Xiang Zhu

In the field of planet and proto-planetary disk detection, achieving high angular resolution and high dynamic range is a necessity. Coronography coupled with adaptive optics on Hubble Space Telescope is a way to get both good spatial…

Astrophysics · Physics 2007-05-23 Fabien Malbet , Michael Shao , Jeffrey Yu

In computer vision, object detection is one of most important tasks, which underpins a few instance-level recognition tasks and many downstream applications. Recently one-stage methods have gained much attention over two-stage approaches…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Zhi Tian , Chunhua Shen , Hao Chen , Tong He