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The ground truth used for training image, video, or speech quality prediction models is based on the Mean Opinion Scores (MOS) obtained from subjective experiments. Usually, it is necessary to conduct multiple experiments, mostly with…

音频与语音处理 · 电气工程与系统科学 2021-12-15 Gabriel Mittag , Saman Zadtootaghaj , Thilo Michael , Babak Naderi , Sebastian Möller

Automation of brain tumors in 3D magnetic resonance images (MRIs) is key to assess the diagnostic and treatment of the disease. In recent years, convolutional neural networks (CNNs) have shown improved results in the task. However, high…

图像与视频处理 · 电气工程与系统科学 2020-09-28 Laura Mora Ballestar , Veronica Vilaplana

Convolutional neural network (CNN) based architectures, such as Mask R-CNN, constitute the state of the art in object detection and segmentation. Recently, these methods have been extended for model-based segmentation where the network…

计算机视觉与模式识别 · 计算机科学 2021-01-14 Wenbo Dong , Volkan Isler

Deep neural networks (DNNs) are powerful learning machines that have enabled breakthroughs in several domains. In this work, we introduce a new retrospective loss to improve the training of deep neural network models by utilizing the prior…

计算机视觉与模式识别 · 计算机科学 2020-06-25 Surgan Jandial , Ayush Chopra , Mausoom Sarkar , Piyush Gupta , Balaji Krishnamurthy , Vineeth Balasubramanian

Recent progress has been made in detecting early stage dementia entirely through recordings of patient speech. Multimodal speech analysis methods were applied to the PROCESS challenge, which requires participants to use audio recordings of…

音频与语音处理 · 电气工程与系统科学 2025-02-14 Lei Chi , Arav Sharma , Ari Gebhardt , Joseph T. Colonel

Introduction: The present study on the development and evaluation of an automated brain tumor segmentation technique based on deep learning using the 3D U-Net model. Objectives: The objective is to leverage state-of-the-art convolutional…

图像与视频处理 · 电气工程与系统科学 2024-04-10 Suman Sourabh , Murugappan Valliappan , Narayana Darapaneni , Anwesh R P

State-of-the-art language models (LMs) represented by long-short term memory recurrent neural networks (LSTM-RNNs) and Transformers are becoming increasingly complex and expensive for practical applications. Low-bit neural network…

计算与语言 · 计算机科学 2021-12-22 Junhao Xu , Jianwei Yu , Shoukang Hu , Xunying Liu , Helen Meng

Dysphonia, a prevalent medical condition, leads to voice loss, hoarseness, or speech interruptions. To assess it, researchers have been investigating various machine learning techniques alongside traditional medical assessments.…

新兴技术 · 计算机科学 2025-02-14 Ha Tran , Bipasha Kashyap , Pubudu N. Pathirana

Distant speech recognition is a challenge, particularly due to the corruption of speech signals by reverberation caused by large distances between the speaker and microphone. In order to cope with a wide range of reverberations in…

计算与语言 · 计算机科学 2016-08-18 Jeehye Lee , Myungin Lee , Joon-Hyuk Chang

Compressive sensing (CS) has been studied and applied in structural health monitoring for wireless data acquisition and transmission, structural modal identification, and spare damage identification. The key issue in CS is finding the…

信号处理 · 电气工程与系统科学 2019-03-25 Yuequan Bao , Zhiyi Tang , Hui Li

Limited-angle X-ray tomography reconstruction is an ill-conditioned inverse problem in general. Especially when the projection angles are limited and the measurements are taken in a photon-limited condition, reconstructions from classical…

图像与视频处理 · 电气工程与系统科学 2021-12-21 Zhen Guo , Jung Ki Song , George Barbastathis , Michael E. Glinsky , Courtenay T. Vaughan , Kurt W. Larson , Bradley K. Alpert , Zachary H. Levine

Efforts to automate the reconstruction of neural circuits from 3D electron microscopic (EM) brain images are critical for the field of connectomics. An important computation for reconstruction is the detection of neuronal boundaries. Images…

计算机视觉与模式识别 · 计算机科学 2015-08-21 Kisuk Lee , Aleksandar Zlateski , Ashwin Vishwanathan , H. Sebastian Seung

Preterm infants (born between 28 and 37 weeks of gestation) face elevated risks of neurodevelopmental delays, making early identification crucial for timely intervention. While deep learning-based volumetric segmentation of brain MRI scans…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Lexin Ren , Jiamiao Lu , Weichuan Zhang , Benqing Wu , Tuo Wang , Yi Liao , Jiapan Guo , Changming Sun , Liang Guo

Preventing Veteran suicide is a national priority. The US Department of Veterans Affairs (VA) collects, analyzes, and publishes data to inform suicide prevention strategies. Current approaches for detecting suicidal ideation mostly rely on…

计算机与社会 · 计算机科学 2020-09-29 Vaibhav Sourirajan , Anas Belouali , Mary Ann Dutton , Matthew Reinhard , Jyotishman Pathak

This work investigates three methods for calculating loss for autoencoder-based pretraining of image encoders: The commonly used reconstruction loss, the more recently introduced deep perceptual similarity loss, and a feature prediction…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Gustav Grund Pihlgren , Fredrik Sandin , Marcus Liwicki

Segmentation is one of the most important tasks in MRI medical image analysis and is often the first and the most critical step in many clinical applications. In brain MRI analysis, head segmentation is commonly used for measuring and…

图像与视频处理 · 电气工程与系统科学 2022-08-11 Haleh Akrami , Wenhui Cui , Anand A Joshi , Richard M. Leahy

The detection and estimation of sinusoids is a fundamental signal processing task for many applications related to sensing and communications. While algorithms have been proposed for this setting, quantization is a critical, but often…

信号处理 · 电气工程与系统科学 2022-10-05 Ryan Dreifuerst , Robert W. Heath

Convolutional Neural Network (CNN) recognition rates drop in the presence of noise. We demonstrate a novel method of counteracting this drop in recognition rate by adjusting the biases of the neurons in the convolutional layers according to…

计算机视觉与模式识别 · 计算机科学 2017-02-06 James R. Geraci , Parichay Kapoor

Regression plays an essential role in many medical imaging applications for estimating various clinical risk or measurement scores. While training strategies and loss functions have been studied for the deep neural networks in medical image…

图像与视频处理 · 电气工程与系统科学 2022-07-13 Hanqing Chao , Jiajin Zhang , Pingkun Yan

Transfer learning has gained attention in medical image analysis due to limited annotated 3D medical datasets for training data-driven deep learning models in the real world. Existing 3D-based methods have transferred the pre-trained models…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Eunji Jun , Seungwoo Jeong , Da-Woon Heo , Heung-Il Suk