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Previous studies suggested that lateral interactions of V1 cells are responsible, among other visual effects, of bottom-up visual attention (alternatively named visual salience or saliency). Our objective is to mimic these connections with…

Neurons and Cognition · Quantitative Biology 2019-11-19 David Berga , Xavier Otazu

Image retargeting is the task of making images capable of being displayed on screens with different sizes. This work should be done so that high-level visual information and low-level features such as texture remain as intact as possible to…

Computer Vision and Pattern Recognition · Computer Science 2019-10-18 Mahdi Ahmadi , Nader Karimi , Shadrokh Samavi

Of later years, numerous bottom-up attention models have been proposed on different assumptions. However, the produced saliency maps may be different from each other even from the same input image. We also observe that human fixation map…

Computer Vision and Pattern Recognition · Computer Science 2018-11-08 Jian Li

By predicting where humans look in natural scenes, we can understand how they perceive complex natural scenes and prioritize information for further high-level visual processing. Several models have been proposed for this purpose, yet there…

Computer Vision and Pattern Recognition · Computer Science 2015-12-08 Mengyang Feng , Ali Borji , Huchuan Lu

The bottom-up saliency, an early stage of humans' visual attention, can be considered as a binary classification problem between center and surround classes. Discriminant power of features for the classification is measured as mutual…

Computer Vision and Pattern Recognition · Computer Science 2013-01-18 Anh Cat Le Ngo , Kenneth Ang Li-Minn , Guoping Qiu , Jasmine Seng Kah-Phooi

This paper formulates bottom-up visual saliency as center surround conditional entropy and presents a fast and efficient technique for the computation of such a saliency map. It is shown that the new saliency formulation is consistent with…

Computer Vision and Pattern Recognition · Computer Science 2013-02-01 Anh Cat Le Ngo , Guoping Qiu , Geoff Underwood , Kenneth Li-Minn Ang , Jasmine Kah-Phooi Seng

In this study we provide the analysis of eye movement behavior elicited by low-level feature distinctiveness with a dataset of synthetically-generated image patterns. Design of visual stimuli was inspired by the ones used in previous…

Computer Vision and Pattern Recognition · Computer Science 2018-11-19 David Berga , Xosé Ramón Fdez-Vidal , Xavier Otazu , Víctor Leborán , Xosé M. Pardo

Finding objects is essential for almost any daily-life visual task. Saliency models have been useful to predict fixation locations in natural images, but are static, i.e., they provide no information about the time-sequence of fixations.…

Artificial Intelligence · Computer Science 2020-12-09 M. Sclar , G. Bujia , S. Vita , G. Solovey , J. E. Kamienkowski

A deep feature based saliency model (DeepFeat) is developed to leverage the understanding of the prediction of human fixations. Traditional saliency models often predict the human visual attention relying on few level image cues. Although…

Computer Vision and Pattern Recognition · Computer Science 2017-09-11 Ali Mahdi , Jun Qin

Bottom-up and top-down, as well as low-level and high-level factors influence where we fixate when viewing natural scenes. However, the importance of each of these factors and how they interact remains a matter of debate. Here, we…

Neurons and Cognition · Quantitative Biology 2018-05-18 Heiko H. Schütt , Lars O. M. Rothkegel , Hans A. Trukenbrod , Ralf Engbert , Felix A. Wichmann

Bottom-up saliency, an early human visual processing, behaves like binary classification of interest and null hypothesis. Its discriminant power, mutual information of image features and class distribution, is closely related to saliency…

Computer Vision and Pattern Recognition · Computer Science 2013-02-05 Anh Cat Le Ngo , Li-Minn Ang , Guoping Qiu , Kah-Phooi Seng

Human eyes concentrate different facial regions during distinct cognitive activities. We study utilising facial visual saliency maps to classify different facial expressions into different emotions. Our results show that our novel method of…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Zhenyue Qin , Jie Wu

Co-saliency detection within a single image is a common vision problem that has received little attention and has not yet been well addressed. Existing methods often used a bottom-up strategy to infer co-saliency in an image in which…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Yuanhao Yue , Qin Zou , Hongkai Yu , Qian Wang , Zhongyuan Wang , Song Wang

Visual attention is one of the most significant characteristics for selecting and understanding the outside redundancy world. The human vision system cannot process all information simultaneously due to the visual information bottleneck. In…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Qiang Li

This paper presents an approach for top-down saliency detection guided by visual classification tasks. We first learn how to compute visual saliency when a specific visual task has to be accomplished, as opposed to most state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Francesca Murabito , Concetto Spampinato , Simone Palazzo , Konstantin Pogorelov , Michael Riegler

Human vision is naturally more attracted by some regions within their field of view than others. This intrinsic selectivity mechanism, so-called visual attention, is influenced by both high- and low-level factors; such as the global…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 Mohamed Amine Kerkouri , Marouane Tliba , Aladine Chetouani , Rachid Harba

The understanding of where humans look in a scene is a problem of great interest in visual perception and computer vision. When eye-tracking devices are not a viable option, models of human attention can be used to predict fixations. In…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Dario Zanca , Marco Gori

A benchmark of saliency models performance with a synthetic image dataset is provided. Model performance is evaluated through saliency metrics as well as the influence of model inspiration and consistency with human psychophysics. SID4VAM…

Computer Vision and Pattern Recognition · Computer Science 2019-10-30 David Berga , Xosé R. Fdez-Vidal , Xavier Otazu , Xosé M. Pardo

With recent advances in deep learning, neuroimaging studies increasingly rely on convolutional networks (ConvNets) to predict diagnosis based on MR images. To gain a better understanding of how a disease impacts the brain, the studies…

Machine Learning · Computer Science 2021-06-29 Qingyu Zhao , Ehsan Adeli , Adolf Pfefferbaum , Edith V. Sullivan , Kilian M. Pohl

Stereoscopic perception is an important part of human visual system that allows the brain to perceive depth. However, depth information has not been well explored in existing saliency detection models. In this letter, a novel saliency…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Runmin Cong , Jianjun Lei , Changqing Zhang , Qingming Huang , Xiaochun Cao , Chunping Hou
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