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Face parsing is a fundamental task in computer vision, enabling applications such as identity verification, facial editing, and controllable image synthesis. However, existing face parsing models often lack fairness and robustness, leading…

计算机视觉与模式识别 · 计算机科学 2025-02-10 Sophia J. Abraham , Jonathan D. Hauenstein , Walter J. Scheirer

Meta learning approaches to few-shot classification are computationally efficient at test time, requiring just a few optimization steps or single forward pass to learn a new task, but they remain highly memory-intensive to train. This…

Adversarial attacks on convolutional neural networks (CNN) have gained significant attention and there have been active research efforts on defense mechanisms. Stochastic input transformation methods have been proposed, where the idea is to…

机器学习 · 计算机科学 2020-01-31 Connie Kou , Hwee Kuan Lee , Ee-Chien Chang , Teck Khim Ng

Existing convolutional neural network (CNN) based face recognition algorithms typically learn a discriminative feature mapping, using a loss function that enforces separation of features from different classes and/or aggregation of features…

计算机视觉与模式识别 · 计算机科学 2019-05-20 Luo Jiang , Juyong Zhang , Bailin Deng

Deepfake detection refers to detecting artificially generated or edited faces in images or videos, which plays an essential role in visual information security. Despite promising progress in recent years, Deepfake detection remains a…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Chunlei Peng , Huiqing Guo , Decheng Liu , Nannan Wang , Ruimin Hu , Xinbo Gao

The choice of a loss function is an important factor when training neural networks for image restoration problems, such as single image super resolution. The loss function should encourage natural and perceptually pleasing results. A…

图像与视频处理 · 电气工程与系统科学 2021-10-19 Aamir Mustafa , Aliaksei Mikhailiuk , Dan Andrei Iliescu , Varun Babbar , Rafal K. Mantiuk

Deep embedding learning is expected to learn a metric space in which features have smaller maximal intra-class distance than minimal inter-class distance. In recent years, one research focus is to solve the open-set problem by…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Hao Zhu , Yang Yuan , Guosheng Hu , Xiang Wu , Neil Robertson

The Softmax loss is one of the most widely employed surrogate objectives for classification and ranking tasks. To elucidate its theoretical properties, the Fenchel-Young framework situates it as a canonical instance within a broad family of…

机器学习 · 计算机科学 2026-02-02 Yuanhao Pu , Defu Lian , Enhong Chen

Deep convolutional neural networks (CNNs) trained with logistic and softmax losses have made significant advancement in visual recognition tasks in computer vision. When training data exhibit class imbalances, the class-wise reweighted…

机器学习 · 计算机科学 2020-03-06 Xiangrui Li , Xin Li , Deng Pan , Dongxiao Zhu

Face recognition systems have to deal with large variabilities (such as different poses, illuminations, and expressions) that might lead to incorrect matching decisions. These variabilities can be measured in terms of face image quality…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Philipp Terhörst , Malte Ihlefeld , Marco Huber , Naser Damer , Florian Kirchbuchner , Kiran Raja , Arjan Kuijper

Recently, we have seen an increase in the global facial recognition market size. Despite significant advances in face recognition technology with the adoption of convolutional neural networks, there are still open challenges, such as when…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Marcus de Assis Angeloni , Helio Pedrini

Nowadays, deep learning is the standard approach for a wide range of problems, including biometrics, such as face recognition and speech recognition, etc. Biometric problems often use deep learning models to extract features from images,…

计算机视觉与模式识别 · 计算机科学 2022-02-14 Pedro Silva , Gladston Moreira , Vander Freitas , Rodrigo Silva , David Menotti , Eduardo Luz

A MasterFace is a face image that can successfully match against a large portion of the population. Since their generation does not require access to the information of the enrolled subjects, MasterFace attacks represent a potential…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Philipp Terhörst , Florian Bierbaum , Marco Huber , Naser Damer , Florian Kirchbuchner , Kiran Raja , Arjan Kuijper

Deep learning models have become increasingly useful in many different industries. On the domain of image classification, convolutional neural networks proved the ability to learn robust features for the closed set problem, as shown in many…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Rafael S. Pereira , Alexis Joly , Patrick Valduriez , Fabio Porto

Over the past few years, Convolutional Neural Networks (CNNs) have shown promise on facial expression recognition. However, the performance degrades dramatically under real-world settings due to variations introduced by subtle facial…

计算机视觉与模式识别 · 计算机科学 2018-01-26 Jie Cai , Zibo Meng , Ahmed Shehab Khan , Zhiyuan Li , James O'Reilly , Yan Tong

State-of-the-art face recognition algorithms are able to achieve good performance when sufficient training images are provided. Unfortunately, the number of facial images is limited in some real face recognition applications. In this paper,…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Guiying Zhang , Yuxin Cui , Yong Zhao , Jianjun Hu

Fairness in deep learning models trained with high-dimensional inputs and subjective labels remains a complex and understudied area. Facial emotion recognition, a domain where datasets are often racially imbalanced, can lead to models that…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Alex Fan , Xingshuo Xiao , Peter Washington

A deep convolutional neural network (CNN) has been widely used in image classification and gives better classification accuracy than the other techniques. The softmax cross-entropy loss function is often used for classification tasks. There…

计算机视觉与模式识别 · 计算机科学 2020-04-20 Motoshi Abe , Junichi Miyao , Takio Kurita

Pre-training on large-scale datasets and utilizing margin-based loss functions have been highly successful in training models for high-resolution face recognition. However, these models struggle with low-resolution face datasets, in which…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Kartik Narayan , Nithin Gopalakrishnan Nair , Jennifer Xu , Rama Chellappa , Vishal M. Patel

Face verification is a relatively easy task with the help of discriminative features from deep neural networks. However, it is still a challenge to recognize faces on millions of identities while keeping high performance and efficiency. The…

计算机视觉与模式识别 · 计算机科学 2018-06-04 Ce Qi , Zhizhong Liu , Fei Su