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Leveraging synthetically rendered data offers great potential to improve monocular depth estimation and other geometric estimation tasks, but closing the synthetic-real domain gap is a non-trivial and important task. While much recent work…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Yunhan Zhao , Shu Kong , Daeyun Shin , Charless Fowlkes

Deep neural networks (DNNs) can learn accurately from large quantities of labeled input data, but often fail to do so when labelled data are scarce. DNNs sometimes fail to generalize ontest data sampled from different input distributions.…

Geophysics · Physics 2025-04-15 M Quamer Nasim , Tannistha Maiti , Ayush Srivastava , Tarry Singh , Jie Mei

We address the use of selfie ocular images captured with smartphones to estimate age and gender. Partial face occlusion has become an issue due to the mandatory use of face masks. Also, the use of mobile devices has exploded, with the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Fernando Alonso-Fernandez , Kevin Hernandez Diaz , Silvia Ramis , Francisco J. Perales , Josef Bigun

We propose a novel deep convolutional neural network (CNN) based multi-task learning approach for open-set visual recognition. We combine a classifier network and a decoder network with a shared feature extractor network within a multi-task…

Computer Vision and Pattern Recognition · Computer Science 2019-03-11 Poojan Oza , Vishal M. Patel

Face recognition (FR) methods report significant performance by adopting the convolutional neural network (CNN) based learning methods. Although CNNs are mostly trained by optimizing the softmax loss, the recent trend shows an improvement…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Abul Hasnat , Julien Bohné , Jonathan Milgram , Stéphane Gentric , Liming Chen

It is arguable that whether the single camera captured (monocular) image datasets are sufficient enough to train and test convolutional neural networks (CNNs) for imitating the biological neural network structures of the human brain. As…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Yigit Oktar , Diclehan Karakaya , Oguzhan Ulucan , Mehmet Turkan

Despite their success in many computer vision tasks, convolutional networks tend to require large amounts of labeled data to achieve generalization. Furthermore, the performance is not guaranteed on a sample from an unseen domain at test…

Computer Vision and Pattern Recognition · Computer Science 2019-09-09 Ozan Ciga , Jianan Chen , Anne Martel

Deep learning has transformed computer vision but relies heavily on large labeled datasets and computational resources. Transfer learning, particularly fine-tuning pretrained models, offers a practical alternative; however, models…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Iván Matas , Carmen Serrano , Miguel Nogales , David Moreno , Lara Ferrándiz , Teresa Ojeda , Begoña Acha

We present a new type of backdoor attack that exploits a vulnerability of convolutional neural networks (CNNs) that has been previously unstudied. In particular, we examine the application of facial recognition. Deep learning techniques are…

Computer Vision and Pattern Recognition · Computer Science 2018-12-10 Jacob Dumford , Walter Scheirer

In this paper we present BioFaceNet, a deep CNN that learns to decompose a single face image into biophysical parameters maps, diffuse and specular shading maps as well as estimating the spectral power distribution of the scene illuminant…

Computer Vision and Pattern Recognition · Computer Science 2019-09-16 Sarah Alotaibi , William Smith

Performance achievable by modern deep learning approaches are directly related to the amount of data used at training time. Unfortunately, the annotation process is notoriously tedious and expensive, especially for pixel-wise tasks like…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Pierluigi Zama Ramirez , Alessio Tonioni , Luigi Di Stefano

Person re-identification is challenging due to the large variations of pose, illumination, occlusion and camera view. Owing to these variations, the pedestrian data is distributed as highly-curved manifolds in the feature space, despite the…

Computer Vision and Pattern Recognition · Computer Science 2016-11-02 Hailin Shi , Yang Yang , Xiangyu Zhu , Shengcai Liao , Zhen Lei , Weishi Zheng , Stan Z. Li

Generalizability of deep learning models may be severely affected by the difference in the distributions of the train (source domain) and the test (target domain) sets, e.g., when the sets are produced by different hardware. As a…

Image and Video Processing · Electrical Eng. & Systems 2022-08-02 Ivan Zakazov , Vladimir Shaposhnikov , Iaroslav Bespalov , Dmitry V. Dylov

Since scenes are composed in part of objects, accurate recognition of scenes requires knowledge about both scenes and objects. In this paper we address two related problems: 1) scale induced dataset bias in multi-scale convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2018-01-23 Luis Herranz , Shuqiang Jiang , Xiangyang Li

Sketch recognition algorithms are engineered and evaluated using publicly available datasets contributed by the sketch recognition community over the years. While existing datasets contain sketches of a limited set of generic objects, each…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Kemal Tugrul Yesilbek , T. Metin Sezgin

One of the most impactful findings in computational neuroscience over the past decade is that the object recognition accuracy of deep neural networks (DNNs) correlates with their ability to predict neural responses to natural images in the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Drew Linsley , Ivan F. Rodriguez , Thomas Fel , Michael Arcaro , Saloni Sharma , Margaret Livingstone , Thomas Serre

In the last two years, convolutional neural networks (CNNs) have achieved an impressive suite of results on standard recognition datasets and tasks. CNN-based features seem poised to quickly replace engineered representations, such as SIFT…

Computer Vision and Pattern Recognition · Computer Science 2014-09-23 Pulkit Agrawal , Ross Girshick , Jitendra Malik

Biometric presentation attack detection is gaining increasing attention. Users of mobile devices find it more convenient to unlock their smart applications with finger, face or iris recognition instead of passwords. In this paper, we survey…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Yomna Safaa El-Din , Mohamed N. Moustafa , Hani Mahdi

Deep convolutional neural networks (CNNs) are state-of-the-art for semantic image segmentation, but typically require many labeled training samples. Obtaining 3D segmentations of medical images for supervised training is difficult and labor…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Zhenlin Xu , Marc Niethammer

Deep object recognition models have been very successful over benchmark datasets such as ImageNet. How accurate and robust are they to distribution shifts arising from natural and synthetic variations in datasets? Prior research on this…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Ali Borji
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