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Model observers have a long history of success in predicting human observer performance in clinically-relevant detection tasks. New 3D image modalities provide more signal information but vastly increase the search space to be scrutinized.…

Signal Processing · Electrical Eng. & Systems 2021-02-11 Miguel A. Lago , Craig K. Abbey , Miguel P. Eckstein

Recently, masked image modeling (MIM), which learns visual representations by reconstructing the masked patches of an image, has dominated self-supervised learning in computer vision. However, the pre-training of MIM always takes massive…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Jie Gui , Tuo Chen , Minjing Dong , Zhengqi Liu , Hao Luo , James Tin-Yau Kwok , Yuan Yan Tang

Although models exist that predict human response times (RTs) in tasks such as target search and visual discrimination, the development of image-computable predictors for scene understanding time remains an open challenge. Recent advances…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Ziqi Wen , Jonathan Skaza , Shravan Murlidaran , William Y. Wang , Miguel P. Eckstein

Person search is to detect all persons and identify the query persons from detected persons in the image without proposals and bounding boxes, which is different from person re-identification. In this paper, we propose a fusing multi-task…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Sulan Zhai , Shunqiang Liu , Xiao Wang , Jin Tang

Visual navigation takes inspiration from humans, who navigate in previously unseen environments using vision without detailed environment maps. Inspired by this, we introduce a novel no-RL, no-graph, no-odometry approach to visual…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Faith Johnson , Bryan Bo Cao , Ashwin Ashok , Shubham Jain , Kristin Dana

A recently proposed model observer mimics the foveated nature of the human visual system by processing the entire image with varying spatial detail, executing eye movements and scrolling through slices. The model can predict how human…

Signal Processing · Electrical Eng. & Systems 2021-02-11 Miguel A. Lago , Craig K. Abbey , Miguel P. Eckstein

Clothing retrieval is a challenging problem in computer vision. With the advance of Convolutional Neural Networks (CNNs), the accuracy of clothing retrieval has been significantly improved. FashionNet[1], a recent study, proposes to employ…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Zhonghao Wang , Yujun Gu , Ya Zhang , Jun Zhou , Xiao Gu

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

Active perception and foveal vision are the foundations of the human visual system. While foveal vision reduces the amount of information to process during a gaze fixation, active perception will change the gaze direction to the most…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Alexandre M. F. Dias , Luís Simões , Plinio Moreno , Alexandre Bernardino

The extraction and matching of interest points is a prerequisite for many geometric computer vision problems. Traditionally, matching has been achieved by assigning descriptors to interest points and matching points that have similar…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Titus Cieslewski , Michael Bloesch , Davide Scaramuzza

Systems based on bag-of-words models from image features collected at maxima of sparse interest point operators have been used successfully for both computer visual object and action recognition tasks. While the sparse, interest-point based…

Computer Vision and Pattern Recognition · Computer Science 2013-12-31 Stefan Mathe , Cristian Sminchisescu

The human brain is adept at solving difficult high-level visual processing problems such as image interpretation and object recognition in natural scenes. Over the past few years neuroscientists have made remarkable progress in…

Neurons and Cognition · Quantitative Biology 2014-07-22 Pulkit Agrawal , Dustin Stansbury , Jitendra Malik , Jack L. Gallant

Beam search is widely used for approximate decoding in structured prediction problems. Models often use a beam at test time but ignore its existence at train time, and therefore do not explicitly learn how to use the beam. We develop an…

Machine Learning · Statistics 2019-06-26 Renato Negrinho , Matthew R. Gormley , Geoffrey J. Gordon

Visual search is an important strategy of the human visual system for fast scene perception. The guided search theory suggests that the global layout or other top-down sources of scenes play a crucial role in guiding object searching. In…

Computer Vision and Pattern Recognition · Computer Science 2019-12-23 Kai-Fu Yang , Wen-Wen Jiang , Teng-Fei Zhan , Yong-Jie Li

We present an attention-based model that reasons on human body shape and motion dynamics to identify individuals in the absence of RGB information, hence in the dark. Our approach leverages unique 4D spatio-temporal signatures to address…

Computer Vision and Pattern Recognition · Computer Science 2016-11-23 Albert Haque , Alexandre Alahi , Li Fei-Fei

When you see a person in a crowd, occluded by other persons, you miss visual information that can be used to recognize, re-identify or simply classify him or her. You can imagine its appearance given your experience, nothing more.…

Computer Vision and Pattern Recognition · Computer Science 2019-01-25 Federico Fulgeri , Matteo Fabbri , Stefano Alletto , Simone Calderara , Rita Cucchiara

In this paper, we tackle the challenge of actively attending to visual scenes using a foveated sensor. We introduce an end-to-end differentiable foveated active vision architecture that leverages a graph convolutional network to process…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 George Killick , Paul Henderson , Paul Siebert , Gerardo Aragon-Camarasa

Image caption generation is a long standing and challenging problem at the intersection of computer vision and natural language processing. A number of recently proposed approaches utilize a fully supervised object recognition model within…

Computer Vision and Pattern Recognition · Computer Science 2019-08-02 Berkan Demirel , Ramazan Gokberk Cinbis , Nazli Ikizler-Cinbis

We propose a viewpoint invariant model for 3D human pose estimation from a single depth image. To achieve this, our discriminative model embeds local regions into a learned viewpoint invariant feature space. Formulated as a multi-task…

Computer Vision and Pattern Recognition · Computer Science 2016-07-27 Albert Haque , Boya Peng , Zelun Luo , Alexandre Alahi , Serena Yeung , Li Fei-Fei

In this paper, we introduce Masked Feature Modelling (MFM), a novel approach for the unsupervised pre-training of a Graph Attention Network (GAT) block. MFM utilizes a pretrained Visual Tokenizer to reconstruct masked features of objects…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Dimitrios Daskalakis , Nikolaos Gkalelis , Vasileios Mezaris