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Deep learning models have become an increasingly preferred option for biometric recognition systems, such as speaker recognition. SincNet, a deep neural network architecture, gained popularity in speaker recognition tasks due to its…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-13 Labib Chowdhury , Mustafa Kamal , Najia Hasan , Nabeel Mohammed

Recent advancements in deep learning have revolutionized technology and security measures, necessitating robust identification methods. Biometric approaches, leveraging personalized characteristics, offer a promising solution. However, Face…

Computer Vision and Pattern Recognition · Computer Science 2024-02-23 Iurii Medvedev , Nuno Gonçalves

In recent years, speaker verification has primarily performed using deep neural networks that are trained to output embeddings from input features such as spectrograms or Mel-filterbank energies. Studies that design various loss functions,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-18 Hee-Soo Heo , Jee-weon Jung , IL-Ho Yang , Sung-Hyun Yoon , Hye-jin Shim , Ha-Jin Yu

With the development of convolutional neural network, significant progress has been made in computer vision tasks. However, the commonly used loss function softmax loss and highly efficient network architecture for common visual tasks are…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Xianyang Li , Feng Wang , Qinghao Hu , Cong Leng

State-of-the-art face recognition methods typically take the multi-classification pipeline and adopt the softmax-based loss for optimization. Although these methods have achieved great success, the softmax-based loss has its limitation from…

Computer Vision and Pattern Recognition · Computer Science 2023-02-13 Lizhe Liu , Mingqiang Chen , Xiaohao Chen , Siyu Zhu , Ping Tan

Despite the undeniable progress in visual recognition tasks fueled by deep neural networks, there exists recent evidence showing that these models are poorly calibrated, resulting in over-confident predictions. The standard practices of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Balamurali Murugesan , Bingyuan Liu , Adrian Galdran , Ismail Ben Ayed , Jose Dolz

In this paper, we propose VoiceID loss, a novel loss function for training a speech enhancement model to improve the robustness of speaker verification. In contrast to the commonly used loss functions for speech enhancement such as the L2…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-08 Suwon Shon , Hao Tang , James Glass

For the task of face verification, we explore the utility of harnessing auxiliary facial emotion labels to impose explicit geometric constraints on the embedding space when training deep embedding models. We introduce several novel loss…

Computer Vision and Pattern Recognition · Computer Science 2021-07-23 Anand Ramakrishnan , Minh Pham , Jacob Whitehill

We introduce a tunable loss function called $\alpha$-loss, parameterized by $\alpha \in (0,\infty]$, which interpolates between the exponential loss ($\alpha = 1/2$), the log-loss ($\alpha = 1$), and the 0-1 loss ($\alpha = \infty$), for…

Machine Learning · Computer Science 2022-12-22 Tyler Sypherd , Mario Diaz , John Kevin Cava , Gautam Dasarathy , Peter Kairouz , Lalitha Sankar

As an emerging topic in face recognition, designing margin-based loss functions can increase the feature margin between different classes for enhanced discriminability. More recently, the idea of mining-based strategies is adopted to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Yuge Huang , Yuhan Wang , Ying Tai , Xiaoming Liu , Pengcheng Shen , Shaoxin Li , Jilin Li , Feiyue Huang

Face forgery detection is raising ever-increasing interest in computer vision since facial manipulation technologies cause serious worries. Though recent works have reached sound achievements, there are still unignorable problems: a)…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Jiaming Li , Hongtao Xie , Jiahong Li , Zhongyuan Wang , Yongdong Zhang

This paper addresses deep face recognition (FR) problem under open-set protocol, where ideal face features are expected to have smaller maximal intra-class distance than minimal inter-class distance under a suitably chosen metric space.…

Computer Vision and Pattern Recognition · Computer Science 2018-01-31 Weiyang Liu , Yandong Wen , Zhiding Yu , Ming Li , Bhiksha Raj , Le Song

The use of deep neural networks in real-world applications require well-calibrated networks with confidence scores that accurately reflect the actual probability. However, it has been found that these networks often provide over-confident…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Linwei Tao , Minjing Dong , Chang Xu

Face recognition has evolved significantly with the advancement of deep learning techniques, enabling its widespread adoption in various applications requiring secure authentication. However, this progress has also increased its exposure to…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Iurii Medvedev , Nuno Goncalves

The training scheme of deep face recognition has greatly evolved in the past years, yet it encounters new challenges in the large-scale data situation where massive and diverse hard cases occur. Especially in the range of low false accept…

Computer Vision and Pattern Recognition · Computer Science 2021-05-17 Dan Zeng , Hailin Shi , Hang Du , Jun Wang , Zhen Lei , Tao Mei

Advancements in monaural speech enhancement (SE) techniques have greatly improved the perceptual quality of speech. However, integrating these techniques into automatic speech recognition (ASR) systems has not yielded the expected…

Sound · Computer Science 2023-11-30 Dongning Yang , Wei Wang , Yanmin Qian

Speech utterances recorded under differing conditions exhibit varying degrees of confidence in their embedding estimates, i.e., uncertainty, even if they are extracted using the same neural network. This paper aims to incorporate the…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-24 Qiongqiong Wang , Kong Aik Lee , Tianchi Liu

This paper is concerned with the task of speaker verification on audio with multiple overlapping speakers. Most speaker verification systems are designed with the assumption of a single speaker being present in a given audio segment.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-10 Jenthe Thienpondt , Nilesh Madhu , Kris Demuynck

Deep embedding based text-independent speaker verification has demonstrated superior performance to traditional methods in many challenging scenarios. Its loss functions can be generally categorized into two classes, i.e., verification and…

Machine Learning · Computer Science 2019-11-20 Zhongxin Bai , Xiao-Lei Zhang , Jingdong Chen

Automatic Speaker Verification (ASV) systems, which identify speakers based on their voice characteristics, have numerous applications, such as user authentication in financial transactions, exclusive access control in smart devices, and…