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Depth estimation from monocular images is a challenging problem in computer vision. In this paper, we tackle this problem using a novel network architecture using multi scale feature fusion. Our network uses two different blocks, first…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Abhinav Sagar

Deep convolutional neural networks (CNNs) have been intensively used for multi-class segmentation of data from different modalities and achieved state-of-the-art performances. However, a common problem when dealing with large, high…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Chengjia Wang , Tom MacGillivray , Gillian Macnaught , Guang Yang , David Newby

Recent deep multi-view stereo (MVS) methods have widely incorporated transformers into cascade network for high-resolution depth estimation, achieving impressive results. However, existing transformer-based methods are constrained by their…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Sicheng Wang , Hao Jiang , Lei Xiang

This paper addresses the problem of downlink channel estimation in frequency-division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems. The existing methods usually exploit hidden sparsity under a discrete Fourier…

信号处理 · 电气工程与系统科学 2018-02-27 Jisheng Dai , An Liu , Vincent K. N. Lau

Multichannel linear filters, such as the Multichannel Wiener Filter (MWF) and the Generalized Eigenvalue (GEV) beamformer are popular signal processing techniques which can improve speech recognition performance. In this paper, we present…

声音 · 计算机科学 2017-11-16 Ziteng Wang , Emmanuel Vincent , Romain Serizel , Yonghong Yan

In this article, we aim to detect the double compression of MPEG-4, a universal video codec that is built into surveillance systems and shooting devices. Double compression is accompanied by various types of video manipulation, and its…

多媒体 · 计算机科学 2022-04-18 Seung-Hun Nam , Wonhyuk Ahn , Myung-Joon Kwon , Jihyeon Kang , In-Jae Yu

With the rapid development of smart manufacturing, data-driven machinery health management has received a growing attention. As one of the most popular methods in machinery health management, deep learning (DL) has achieved remarkable…

Mixed-signal hardware accelerators for deep learning achieve orders of magnitude better power efficiency than their digital counterparts. In the ultra-low power consumption regime, limited signal precision inherent to analog computation…

新兴技术 · 计算机科学 2019-04-04 Michael Klachko , Mohammad Reza Mahmoodi , Dmitri B. Strukov

Purpose: To develop and evaluate the accuracy of a multi-view deep learning approach to the analysis of high-resolution synthetic mammograms from digital breast tomosynthesis screening cases, and to assess the effect on accuracy of image…

图像与视频处理 · 电气工程与系统科学 2020-09-29 Saeed Seyyedi , Margaret J. Wong , Debra M. Ikeda , Curtis P. Langlotz

This study proposes a novel perspective on multimodal deep learning for biomedical signal classification, systematically analyzing how complementary feature domains impact model performance. While fusing multiple domains often presumes…

机器学习 · 计算机科学 2025-08-05 Timothy Oladunni , Alex Wong

Deep learning has dramatically improved the performance of speech recognition systems through learning hierarchies of features optimized for the task at hand. However, true end-to-end learning, where features are learned directly from…

计算与语言 · 计算机科学 2016-04-06 Zhenyao Zhu , Jesse H. Engel , Awni Hannun

The dominant image-to-image translation methods are based on fully convolutional networks, which extract and translate an image's features and then reconstruct the image. However, they have unacceptable computational costs when working with…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Yuda Song , Hui Qian , Xin Du

Convolutional Neural Networks (CNNs) are known for requiring extensive computational resources, and quantization is among the best and most common methods for compressing them. While aggressive quantization (i.e., less than 4-bits) performs…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Shahaf E. Finder , Yair Zohav , Maor Ashkenazi , Eran Treister

Ultrasound imaging is a commonly used modality for several diagnostic and therapeutic procedures. However, the diagnosis by ultrasound relies heavily on the quality of images assessed manually by sonographers, which diminishes the…

图像与视频处理 · 电气工程与系统科学 2023-07-10 Deepak Raina , Dimitrios Ntentia , SH Chandrashekhara , Richard Voyles , Subir Kumar Saha

Multifractal analysis has become a powerful signal processing tool that characterizes signals or images via the fluctuations of their pointwise regularity, quantified theoretically by the so-called multifractal spectrum. The practical…

In this study, we present a deep learning framework designed to integrate with our previously developed system that facilitates large-scale 1D fetal Doppler data collection, aiming to enhance data quality. This system, tailored for…

信号处理 · 电气工程与系统科学 2024-01-09 Mohsen Motie-Shirazi , Reza Sameni , Peter Rohloff , Nasim Katebi , Gari D. Clifford

Complex-valued processing has brought deep learning-based speech enhancement and signal extraction to a new level. Typically, the process is based on a time-frequency (TF) mask which is applied to a noisy spectrogram, while complex masks…

音频与语音处理 · 电气工程与系统科学 2022-02-02 Hendrik Schröter , Alberto N. Escalante-B. , Tobias Rosenkranz , Andreas Maier

Despite the appeal of deep neural networks that largely replace the traditional handmade filters, they still suffer from isolated cases that cannot be properly handled only by the training of convolutional filters. Abnormal factors,…

计算机视觉与模式识别 · 计算机科学 2017-10-19 Jonghwa Yim , Kyung-Ah Sohn

As one of the automotive sensors that have emerged in recent years, 4D millimeter-wave radar has a higher resolution than conventional 3D radar and provides precise elevation measurements. But its point clouds are still sparse and noisy,…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Hongsi Liu , Jun Liu , Guangfeng Jiang , Xin Jin

Computing the Sparse Fast Fourier Transform(sFFT) of a K-sparse signal of size N has emerged as a critical topic for a long time. There are mainly two stages in the sFFT: frequency bucketization and spectrum reconstruction. Frequency…

信号处理 · 电气工程与系统科学 2020-11-12 Bin Li , Zhikang Jiang , Jie Chen
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