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Modern machine learning suffers from catastrophic forgetting when learning new classes incrementally. The performance dramatically degrades due to the missing data of old classes. Incremental learning methods have been proposed to retain…

计算机视觉与模式识别 · 计算机科学 2019-06-03 Yue Wu , Yinpeng Chen , Lijuan Wang , Yuancheng Ye , Zicheng Liu , Yandong Guo , Yun Fu

GAN-based techniques that generate and synthesize realistic faces have caused severe social concerns and security problems. Existing methods for detecting GAN-generated faces can perform well on limited public datasets. However, images from…

计算机视觉与模式识别 · 计算机科学 2022-02-15 Hui Guo , Shu Hu , Xin Wang , Ming-Ching Chang , Siwei Lyu

Most machine learning techniques are based upon statistical learning theory, often simplified for the sake of computing speed. This paper is focused on the uncertainty aspect of mathematical modeling in machine learning. Regression analysis…

机器学习 · 计算机科学 2022-06-07 Valentin Arkov

Precise breast cancer classification on histopathological images has the potential to greatly improve the diagnosis and patient outcome in oncology. The data imbalance problem largely stems from the inherent imbalance within medical image…

图像与视频处理 · 电气工程与系统科学 2024-11-28 Majid Behzadpour , Bengie L. Ortiz , Ebrahim Azizi , Kai Wu

Unlike prevalent facial expressions, micro expressions have subtle, involuntary muscle movements which are short-lived in nature. These minute muscle movements reflect true emotions of a person. Due to the short duration and low intensity,…

计算机视觉与模式识别 · 计算机科学 2020-01-08 Monu Verma , Santosh Kumar Vipparthi , Girdhari Singh , Subrahmanyam Murala

Class imbalance problems manifest in domains such as financial fraud detection or network intrusion analysis, where the prevalence of one class is much higher than another. Typically, practitioners are more interested in predicting the…

机器学习 · 统计学 2017-11-16 Peter Xenopoulos

Class-imbalanced data, in which some classes contain far more samples than others, is ubiquitous in real-world applications. Standard techniques for handling class-imbalance usually work by training on a re-weighted loss or on re-balanced…

人工智能 · 计算机科学 2021-06-18 Arpit Bansal , Micah Goldblum , Valeriia Cherepanova , Avi Schwarzschild , C. Bayan Bruss , Tom Goldstein

Recent developments in gradient-based attention modeling have seen attention maps emerge as a powerful tool for interpreting convolutional neural networks. Despite good localization for an individual class of interest, these techniques…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Lezi Wang , Ziyan Wu , Srikrishna Karanam , Kuan-Chuan Peng , Rajat Vikram Singh , Bo Liu , Dimitris N. Metaxas

The proposed framework in this paper has the primary objective of classifying the facial expression shown by a person. These classifiable expressions can be any one of the six universal emotions along with the neutral emotion. After the…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Fuzail Khan

We describe a deep learning based method for estimating 3D facial expression coefficients. Unlike previous work, our process does not relay on facial landmark detection methods as a proxy step. Recent methods have shown that a CNN can be…

计算机视觉与模式识别 · 计算机科学 2018-02-05 Feng-Ju Chang , Anh Tuan Tran , Tal Hassner , Iacopo Masi , Ram Nevatia , Gerard Medioni

Face alignment, which is the task of finding the locations of a set of facial landmark points in an image of a face, is useful in widespread application areas. Face alignment is particularly challenging when there are large variations in…

计算机视觉与模式识别 · 计算机科学 2016-10-25 Oncel Tuzel , Tim K. Marks , Salil Tambe

Reflection on one's thought process and making corrections to it if there exists dissatisfaction in its performance is, perhaps, one of the essential traits of intelligence. However, such high-level abstract concepts mandatory for…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Stanislav Selitskiy

Facial expression detection involves two interrelated tasks: spotting, which identifies the onset and offset of expressions, and recognition, which classifies them into emotional categories. Most existing methods treat these tasks…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Yini Fang , Alec Diallo , Yiqi Shi , Frederic Jumelle , Bertram Shi

Facial expression recognition is a challenging task when neural network is applied to pattern recognition. Most of the current recognition research is based on single source facial data, which generally has the disadvantages of low accuracy…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Yi Han , Xubin Wang , Zhengyu Lu

Benefiting from the joint learning of the multiple tasks in the deep multi-task networks, many applications have shown the promising performance comparing to single-task learning. However, the performance of multi-task learning framework is…

计算机视觉与模式识别 · 计算机科学 2019-11-11 Zuheng Ming , Junshi Xia , Muhammad Muzzamil Luqman , Jean-Christophe Burie , Kaixing Zhao

Knowing when an output can be trusted is critical for reliably using face recognition systems. While there has been enormous effort in recent research on improving face verification performance, understanding when a model's predictions…

计算机视觉与模式识别 · 计算机科学 2020-09-02 Weidi Xie , Jeffrey Byrne , Andrew Zisserman

Facial expression recognition (FER) has always been a challenging issue in computer vision. The different expressions of emotion and uncontrolled environmental factors lead to inconsistencies in the complexity of FER and variability of…

计算机视觉与模式识别 · 计算机科学 2018-03-02 Tianyuan Chang , Guihua Wen , Yang Hu , JiaJiong Ma

In this paper, we focus on improving the online face liveness detection system to enhance the security of the downstream face recognition system. Most of the existing frame-based methods are suffering from the prediction inconsistency…

计算机视觉与模式识别 · 计算机科学 2020-06-15 Xiang Xu , Yuanjun Xiong , Wei Xia

Deep learning has played a major role in the interpretation of dermoscopic images for detecting skin defects and abnormalities. However, current deep learning solutions for dermatological lesion analysis are typically limited in providing…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Gun-Hee Lee , Han-Bin Ko , Seong-Whan Lee

The transductive inference is an effective technique in the few-shot learning task, where query sets update prototypes to improve themselves. However, these methods optimize the model by considering only the classification scores of the…

计算机视觉与模式识别 · 计算机科学 2022-05-18 Minglei Yuan , Qian Xu , Chunhao Cai , Yin-Dong Zheng , Tao Wang , Tong Lu