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We propose a novel loss function that dynamically rescales the cross entropy based on prediction difficulty regarding a sample. Deep neural network architectures in image classification tasks struggle to disambiguate visually similar…

Computer Vision and Pattern Recognition · Computer Science 2019-09-26 Serim Ryou , Seong-Gyun Jeong , Pietro Perona

In this work, we propose a novel two-stage framework, called FaceShifter, for high fidelity and occlusion aware face swapping. Unlike many existing face swapping works that leverage only limited information from the target image when…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Lingzhi Li , Jianmin Bao , Hao Yang , Dong Chen , Fang Wen

Face recognition models trained under the assumption of identical training and test distributions often suffer from poor generalization when faced with unknown variations, such as a novel ethnicity or unpredictable individual make-ups…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Masoud Faraki , Xiang Yu , Yi-Hsuan Tsai , Yumin Suh , Manmohan Chandraker

The COVID-19 pandemic has drastically changed accepted norms globally. Within the past year, masks have been used as a public health response to limit the spread of the virus. This sudden change has rendered many face recognition based…

Computer Vision and Pattern Recognition · Computer Science 2022-01-27 Sachith Seneviratne , Nuran Kasthuriaarachchi , Sanka Rasnayaka

In real-world recognition/classification tasks, limited by various objective factors, it is usually difficult to collect training samples to exhaust all classes when training a recognizer or classifier. A more realistic scenario is open set…

Machine Learning · Computer Science 2020-03-24 Chuanxing Geng , Sheng-jun Huang , Songcan Chen

Offline Signature Verification (OSV) is a challenging pattern recognition task, especially in presence of skilled forgeries that are not available during training. This study aims to tackle its challenges and meet the substantial need for…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Saeed Masoudnia , Omid Mersa , Babak N. Araabi , Abdol-Hossein Vahabie , Mohammad Amin Sadeghi , Majid Nili Ahmadabadi

We introduce our method and system for face recognition using multiple pose-aware deep learning models. In our representation, a face image is processed by several pose-specific deep convolutional neural network (CNN) models to generate…

Computer Vision and Pattern Recognition · Computer Science 2016-03-25 Wael AbdAlmageed , Yue Wua , Stephen Rawlsa , Shai Harel , Tal Hassner , Iacopo Masi , Jongmoo Choi , Jatuporn Toy Leksut , Jungyeon Kim , Prem Natarajan , Ram Nevatia , Gerard Medioni

Fine-grained open-set recognition (FineOSR) aims to recognize images belonging to classes with subtle appearance differences while rejecting images of unknown classes. A recent trend in OSR shows the benefit of generative models to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Wentao Bao , Qi Yu , Yu Kong

Open set recognition (OSR) requires the model to classify samples that belong to closed sets while rejecting unknown samples during test. Currently, generative models often perform better than discriminative models in OSR, but recent…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Yu Wang , Junxian Mu , Pengfei Zhu , Qinghua Hu

Open Set Recognition (OSR) extends image classification to an open-world setting, by simultaneously classifying known classes and identifying unknown ones. While conventional OSR approaches can detect Out-of-Distribution (OOD) samples, they…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Piyapat Saranrittichai , Chaithanya Kumar Mummadi , Claudia Blaiotta , Mauricio Munoz , Volker Fischer

Ocular biometric systems working in unconstrained environments usually face the problem of small within-class compactness caused by the multiple factors that jointly degrade the quality of the obtained data. In this work, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Luiz A. Zanlorensi , Hugo Proença , David Menotti

This paper proposes a method to use deep neural networks as end-to-end open-set classifiers. It is based on intra-class data splitting. In open-set recognition, only samples from a limited number of known classes are available for training.…

Machine Learning · Computer Science 2019-11-21 Patrick Schlachter , Yiwen Liao , Bin Yang

Open set recognition requires a classifier to detect samples not belonging to any of the classes in its training set. Existing methods fit a probability distribution to the training samples on their embedding space and detect outliers…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Hongjie Zhang , Ang Li , Jie Guo , Yanwen Guo

Facial expression recognition (FER) has emerged as an important component of human-computer interaction systems. Despite recent advancements in FER, performance often drops significantly for non-frontal facial images. We propose Contrastive…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Shuvendu Roy , Ali Etemad

In this paper, a progress recognition method consider occlusion using deep metric learning is proposed to visualize the product assembly process in a factory. First, the target assembly product is detected from images acquired from a…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Takumi Kitsukawa , Kazuma Miura , Shigeki Yumoto , Sarthak Pathak , Alessandro Moro , Kazunori Umeda

In this paper, we tackle the challenge of face recognition in the wild, where images often suffer from low quality and real-world distortions. Traditional heuristic approaches-either training models directly on these degraded images or…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Yunhao Liu , Yu-Ju Tsai , Kelvin C. K. Chan , Xiangtai Li , Lu Qi , Ming-Hsuan Yang

Face recognition has made great progress with the development of deep learning. However, video face recognition (VFR) is still an ongoing task due to various illumination, low-resolution, pose variations and motion blur. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2017-08-29 Yibo Hu , Xiang Wu , Ran He

In recent decades, 3D morphable model (3DMM) has been commonly used in image-based photorealistic 3D face reconstruction. However, face images are often corrupted by serious occlusion by non-face objects including eyeglasses, masks, and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-09 Xiaowei Yuan , In Kyu Park

The existing face recognition datasets usually lack occlusion samples, which hinders the development of face recognition. Especially during the COVID-19 coronavirus epidemic, wearing a mask has become an effective means of preventing the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Baojin Huang , Zhongyuan Wang , Guangcheng Wang , Kui Jiang , Kangli Zeng , Zhen Han , Xin Tian , Yuhong Yang

With various face presentation attacks emerging continually, face anti-spoofing (FAS) approaches based on domain generalization (DG) have drawn growing attention. Existing DG-based FAS approaches always capture the domain-invariant features…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Qianyu Zhou , Ke-Yue Zhang , Taiping Yao , Ran Yi , Shouhong Ding , Lizhuang Ma