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Synthetic aperture radar automatic target recognition (SAR ATR) is of considerable importance in marine navigation and disaster monitoring. However, the coherent speckle noise inherent in SAR imagery often obscures salient target features,…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Yansong Lin , Zihan Cheng , Jielei Wang , Guoming Lua , Zongyong Cui

Modern high-sensitivity radio telescopes are discovering an increased number of resolved sources with intricate radio structures and fainter radio emissions. These sources often present a challenge because source detectors might identify…

天体物理仪器与方法 · 物理学 2024-06-12 Lara Alegre , Philip Best , Jose Sabater , Huub Rottgering , Martin Hardcastle , Wendy Williams

Deep neural networks can learn complex and abstract representations, that are progressively obtained by combining simpler ones. A recent trend in speech and speaker recognition consists in discovering these representations starting from raw…

音频与语音处理 · 电气工程与系统科学 2019-02-26 Mirco Ravanelli , Yoshua Bengio

Target classification is a fundamental task in radar systems, and its performance critically depends on the quantization precision of the signal. While high-precision quantization (e.g. 16-bit) is well established, 1-bit quantization offers…

信号处理 · 电气工程与系统科学 2025-12-18 Jundong Qi , Weize Sun , Shaowu Chen , Lei Huang , Qiuchen Liu

In this paper, we introduce a spectral-domain inverse filtering approach for single-channel speech de-reverberation using deep convolutional neural network (CNN). The main goal is to better handle realistic reverberant conditions where the…

声音 · 计算机科学 2020-10-16 Hanwook Chung , Vikrant Singh Tomar , Benoit Champagne

Because large, human-annotated datasets suffer from labeling errors, it is crucial to be able to train deep neural networks in the presence of label noise. While training image classification models with label noise have received much…

机器学习 · 计算机科学 2019-03-19 Ishan Jindal , Daniel Pressel , Brian Lester , Matthew Nokleby

Given a sufficiently large training dataset, it is relatively easy to train a modern convolution neural network (CNN) as a required image classifier. However, for the task of fish classification and/or fish detection, if a CNN was trained…

计算机视觉与模式识别 · 计算机科学 2019-11-05 Dmitry A. Konovalov , Alzayat Saleh , Michael Bradley , Mangalam Sankupellay , Simone Marini , Marcus Sheaves

Mainstream DNN-based SAR-ATR methods still face issues such as easy overfitting of a few training data, high computational overhead, and poor interpretability of the black-box model. Integrating physical knowledge into DNNs to improve…

图像与视频处理 · 电气工程与系统科学 2024-11-18 Xuying Xiong , Xinyu Zhang , Weidong Jiang , Tianpeng Liu

Underwater imagery is often compromised by factors such as color distortion and low contrast, posing challenges for high-level vision tasks. Recent underwater image restoration (UIR) methods either analyze the input image at full…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Alik Pramanick , Arijit Sur , V. Vijaya Saradhi

Future wireless multiple-input multiple-output (MIMO) systems will integrate both sub-6 GHz and millimeter wave (mmWave) frequency bands to meet the growing demands for high data rates. MIMO link establishment typically requires accurate…

信号处理 · 电气工程与系统科学 2025-10-16 Faruk Pasic , Lukas Eller , Stefan Schwarz , Markus Rupp , Christoph F. Mecklenbräuker

Recent years have witnessed the great success of deep convolutional neural networks (CNNs) in image denoising. Albeit deeper network and larger model capacity generally benefit performance, it remains a challenging practical issue to train…

图像与视频处理 · 电气工程与系统科学 2020-10-26 Yali Peng , Yue Cao , Shigang Liu , Jian Yang , Wangmeng Zuo

Deep learning has outperformed other machine learning algorithms in a variety of tasks, and as a result, it is widely used. However, like other machine learning algorithms, deep learning, and convolutional neural networks (CNNs) in…

机器学习 · 计算机科学 2022-07-19 Anabel Gómez-Ríos , Julián Luengo , Francisco Herrera

Our proposed deeply-supervised nets (DSN) method simultaneously minimizes classification error while making the learning process of hidden layers direct and transparent. We make an attempt to boost the classification performance by studying…

机器学习 · 统计学 2017-04-26 Chen-Yu Lee , Saining Xie , Patrick Gallagher , Zhengyou Zhang , Zhuowen Tu

Coherent noise regularly plagues seismic recordings, causing artefacts and uncertainties in products derived from down-the-line processing and imaging tasks. The outstanding capabilities of deep learning in denoising of natural and medical…

地球物理 · 物理学 2022-06-02 Sixiu Liu , Claire Birnie , Tariq Alkhalifah

Radio frequency fingerprint identification (RFFI) is an emerging device authentication technique that relies on intrinsic hardware characteristics of wireless devices. We designed an RFFI scheme for Long Range (LoRa) systems based on…

信号处理 · 电气工程与系统科学 2021-01-06 Guanxiong Shen , Junqing Zhang , Alan Marshall , Linning Peng , Xianbin Wang

Attention mechanisms, such as local and non-local attention, play a fundamental role in recent deep learning based speech enhancement (SE) systems. However, natural speech contains many fast-changing and relatively brief acoustic events,…

音频与语音处理 · 电气工程与系统科学 2023-01-16 Xinmeng Xu , Weiping Tu , Yuhong Yang

Target detection is a fundamental task in radar sensing, serving as the precursor to any further processing for various applications. Numerous detection algorithms have been proposed. Classical methods based on signal processing, e.g., the…

信号处理 · 电气工程与系统科学 2024-10-31 Luca Jiang-Tao Yu , Chenshu Wu

LoFTR arXiv:2104.00680 is an efficient deep learning method for finding appropriate local feature matches on image pairs. This paper reports on the optimization of this method to work on devices with low computational performance and…

计算机视觉与模式识别 · 计算机科学 2022-02-03 Kyrylo Kolodiazhnyi

Deep Neural Networks (DNNs) are widely used for decision making in a myriad of critical applications, ranging from medical to societal and even judicial. Given the importance of these decisions, it is crucial for us to be able to interpret…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Teddy Koker , Fatemehsadat Mireshghallah , Tom Titcombe , Georgios Kaissis

Recently, convolutional neural networks (CNNs) have set latest state-of-the-art on various human activity recognition (HAR) datasets. However, deep CNNs often require more computing resources, which limits their applications in embedded…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Yin Tang , Qi Teng , Lei Zhang , Fuhong Min , Jun He