18 papers · ranked by Valyu relevance
Jorge Fernández-Berni, Ricardo Carmona-Galán, Rocío del Río, Richard Kleihorst + 2 more
'Richard Kleihorst' 'Wilfried Philips' 'Ángel Rodríguez-Vázquez'] The capture, processing and distribution of visual information is one of the major challenges for the paradigm of the Internet of Things. Privacy emerges as a fundamental barrier to overcome. The idea of networked image sensors pervasively collecting…
Yuxuan Guo, Jens R. Helmert, Sven-Thomas Graupner, Sebastian Pannasch + 1 more
'Sebastian Pannasch' 'Harish Katti'] Analyzing the time course of eye movements during scene viewing often indicates that people progress through two distinct modes of visual processing: an ambient mode, which is associated with overall spatial orientation in a scene, followed by a focal mode, which requires central…
Jatheesh Srikantharajah, Colin Ellard
Central and peripheral vision carry out different functions during scene processing. The ambient mode of visual processing is more likely to involve peripheral visual processes, whereas the focal mode of visual processing is more likely to involve central visual processes. Although the ambient mode is responsible for…
Yuxuan Guo, Sebastian Pannasch, Jens R. Helmert, Aleksandra Kaszowska
'Aleksandra Kaszowska'] Time course analysis of eye movements during free exploration of real-world scenes often reveals an increase in fixation durations together with a decrease in saccade amplitudes, which has been explained within the two visual systems approach, i.e., a transition from ambient to focal. Short…
Kevin K. Rooney, Robert J. Condia, Lester C. Loschky
Neuroscience has well established that human vision divides into the central and peripheral fields of view. Central vision extends from the point of gaze (where we are looking) out to about 5° of visual angle (the width of one’s fist at arm’s length), while peripheral vision is the vast remainder of the visual field.…
Lisa M. Kroell, Martin Rolfs
Despite the fovea’s singular importance for active human vision, the impact of large eye movements on foveal processing remains elusive. Building on findings from passive fixation tasks, we hypothesized that during the preparation of rapid eye movements (saccades), foveal processing anticipates soon-to-be fixated…
SaiKiran Tedla, Zhoutong Zhang, Xuaner Zhang, Shumian Xin
Focus is a cornerstone of photography, yet autofocus systems often fail to capture the intended subject, and users frequently wish to adjust focus after capture. We introduce a novel method for realistic post-capture refocusing using video diffusion models. From a single defocused image, our approach generates a…
Giorgia Cona, Patrizia Silvia Bisiacchi, Giuseppe Sartori, Cristina Scarpazza
'Cristina Scarpazza'] Remembering to execute pre-defined intentions at the appropriate time in the future is typically referred to as Prospective Memory (PM). Studies of PM showed that distinct cognitive processes underlie the execution of delayed intentions depending on whether the cue associated with such intentions…
Jie Zhang, Huihui Zhou, Shuo Wang
Foveal and peripheral vision are two distinct modes of visual processing essential for navigating the world. However, it remains unclear if they engage different neural mechanisms and circuits within the visual attentional system. Here, we trained macaques to perform a free-gaze visual search task using natural face…
Susmija Jabbireddy, Xuetong Sun, Xiaoxu Meng, Amitabh Varshney
With the recent interest in virtual reality and augmented reality, there is a newfound demand for displays that can provide high resolution with a wide field of view (FOV). However, such displays incur significantly higher costs for rendering the larger number of pixels. This poses the challenge of rendering realistic…
Laurent Itti, Ali Borji
This chapter reviews recent computational models of visual attention. We begin with models for the bottomup or stimulus-driven guidance of attention to salient visual items, which we examine in seven different broad categories. We then examine more complex models which address the top-down or goal-oriented guidance of…
Subhayan Mukherjee, Irene Cheng, Anup Basu
Stereo images have been captured primarily for 3D reconstruction in the past. However, the depth information acquired from stereo can also be used along with saliency to highlight certain objects in a scene. This approach can be used to make still images more interesting to look at, and highlight objects of interest in…
Ana Vilotijević, Sebastiaan Mathôt
People are best able to detect stimuli in peripheral vision when their pupils are large, and best able to discriminate stimuli in central vision when their pupils are small. However, it is unclear whether our visual system makes use of this by dilating the pupils when attention is directed towards peripheral vision.…
Laurent Caplette, Robin A. A. Ince, Karim Jerbi, Frédéric Gosselin
Visual object recognition seems to occur almost instantaneously. However, not only does it require hundreds of milliseconds of processing, but our eyes also typically fixate the object for hundreds of milliseconds. Consequently, information reaching our eyes at different moments is processed in the brain together.…
Sara Sims, Pinar Demirayak, Simone Cedotal, Kristina Visscher
Central and peripheral vision are important for distinct aspects of everyday life. We use central vision to read and peripheral vision to get the gist of a scene. To understand how these differences are reflected in connectivity between V1 and higher-order cognitive areas, we examined the differential connectivity of…
Anke Cajar, Ralf Engbert, Jochen Laubrock
When studying how people search for objects in scenes, the inhomogeneity of the visual field is often ignored. Due to physiological limitations peripheral vision is blurred and mainly uses coarse-grained information (i.e., low spatial frequencies) for selecting saccade targets, whereas high-acuity central vision uses…
Authors not listed
Scanning emission-based microscopies, such as X-ray fluorescence (XRF) and energy-dispersive X-ray spectroscopy, offer nanometer-scale chemical maps, but suffer from long acquisition times and radiation damage. Lower-flux and shorter dwell time scans mitigate this problem, but the resulting signal loss can only…
Authors not listed
During charge/discharge cracking occurs in Nickel Manganese Cobalt (NMC) secondary particles. Secondary particles with cracks will have observably lower grey-levels in micro-CT datasets compared to an otherwise identical pristine particle. This is due to the ‘partial volume effect’ where voxels representative of space…