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High-index dielectric subwavelength structures and metasurfaces are capable of enhancing light-matter interaction by orders of magnitude via geometry-dependent optical resonances. This enhancement, however, comes with a fundamental…

Extended Self-Similarity (ESS) is a widely used tool for uncovering universal power-law scaling in systems dominated by nonlinear interactions. This work demonstrates that ESS scaling can also emerge in a system governed by purely linear…

光学 · 物理学 2026-01-27 Mengxin Wu , Ziye Chen , Guang Yang , Mingshu Zhao

In generative adversarial networks, improving discriminators is one of the key components for generation performance. As image classifiers are biased toward texture and debiasing improves accuracy, we investigate 1) if the discriminators…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Junho Kim , Yunjey Choi , Youngjung Uh

Building upon large language models (LLMs), recent large multimodal models (LMMs) unify cross-model understanding and generation into a single framework. However, LMMs still struggle to achieve accurate vision-language alignment, prone to…

人工智能 · 计算机科学 2025-09-09 Jixiang Hong , Yiran Zhang , Guanzhong Wang , Yi Liu , Ji-Rong Wen , Rui Yan

Model ensembling is a well-established technique for improving the performance of machine learning models. Conventionally, this involves averaging the output distributions of multiple models and selecting the most probable label. This idea…

机器学习 · 计算机科学 2026-05-26 Jiale Fu , Yuchu Jiang , Peijun Wu , Chonghan Liu , Joey Tianyi Zhou , Xu Yang

Machine learning in drug discovery has been focused on virtual screening of molecular libraries using discriminative models. Generative models are an entirely different approach that learn to represent and optimize molecules in a continuous…

定量方法 · 定量生物学 2020-11-17 Matthew Ragoza , Tomohide Masuda , David Ryan Koes

Recently, phase processing is attracting increasinginterest in speech enhancement community. Some researchersintegrate phase estimations module into speech enhancementmodels by using complex-valued short-time Fourier transform(STFT)…

声音 · 计算机科学 2019-01-03 Xingjian Du , Mengyao Zhu , Xuan Shi , Xinpeng Zhang , Wen Zhang , Jingdong Chen

We propose a novel exponentially-modified Gaussian (EMG) mixture residual model. The EMG mixture is well suited to model residuals that are contaminated by a distribution with positive support. This is in contrast to commonly used robust…

机器学习 · 统计学 2019-02-18 Sebastian Ament , John Gregoire , Carla Gomes

Combinatorial optimization problems are notoriously challenging due to their discrete structure and exponentially large solution space. Recent advances in deep reinforcement learning (DRL) have enabled the learning heuristics directly from…

机器学习 · 计算机科学 2025-06-12 Shengda Gu , Kai Li , Junliang Xing , Yifan Zhang , Jian Cheng

Nonlinear hyperspectral unmixing has recently received considerable attention, as linear mixture models do not lead to an acceptable resolution in some problems. In fact, most nonlinear unmixing methods are designed by assuming specific…

图像与视频处理 · 电气工程与系统科学 2024-02-07 Saeid Mehrdad , Seyed AmirHossein Janani

Text augmentation is a technique for constructing synthetic data from an under-resourced corpus to improve predictive performance. Synthetic data generation is common in numerous domains. However, recently text augmentation has emerged in…

计算与语言 · 计算机科学 2023-09-12 Mosleh Mahamud , Zed Lee , Isak Samsten

Data Augmentation through generating pseudo data has been proven effective in mitigating the challenge of data scarcity in the field of Grammatical Error Correction (GEC). Various augmentation strategies have been widely explored, most of…

计算与语言 · 计算机科学 2023-10-19 Jingheng Ye , Yinghui Li , Yangning Li , Hai-Tao Zheng

Automatic Facial Expression Recognition (FER) has attracted increasing attention in the last 20 years since facial expressions play a central role in human communication. Most FER methodologies utilize Deep Neural Networks (DNNs) that are…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Andreas Psaroudakis , Dimitrios Kollias

The dictionary-aided sparse regression (SR) approach has recently emerged as a promising alternative to hyperspectral unmixing (HU) in remote sensing. By using an available spectral library as a dictionary, the SR approach identifies the…

机器学习 · 统计学 2016-08-24 Xiao Fu , Wing-Kin Ma , José Bioucas-Dias , Tsung-Han Chan

Symbolic melodies generation is one of the essential tasks for automatic music generation. Recently, models based on neural networks have had a significant influence on generating symbolic melodies. However, the musical context structure is…

音频与语音处理 · 电气工程与系统科学 2021-10-08 Jin Li , Haibin Liu , Nan Yan , Lan Wang

Regularized linear discriminant analysis (RLDA) is a widely used tool for classification and dimensionality reduction, but its performance in high-dimensional scenarios is inconsistent. Existing theoretical analyses of RLDA often lack clear…

机器学习 · 统计学 2025-07-23 Yonghan Zhang , Zhangni Pu , Lu Yan , Jiang Hu

In this paper, we aim at tackling a general but interesting cross-modality feature learning question in remote sensing community --- can a limited amount of highly-discrimin-ative (e.g., hyperspectral) training data improve the performance…

计算机视觉与模式识别 · 计算机科学 2019-12-19 Danfeng Hong , Naoto Yokoya , Nan Ge , Jocelyn Chanussot , Xiao Xiang Zhu

Biological multimodal large language models (MLLMs) have emerged as powerful foundation models for scientific discovery. However, existing models are specialized to a single modality, limiting their ability to solve inherently cross-modal…

机器学习 · 计算机科学 2026-03-17 Wonbin Lee , Dongki Kim , Sung Ju Hwang

We design an Enriched Deep Recurrent Visual Attention Model (EDRAM) - an improved attention-based architecture for multiple object recognition. The proposed model is a fully differentiable unit that can be optimized end-to-end by using…

计算机视觉与模式识别 · 计算机科学 2017-06-13 Artsiom Ablavatski , Shijian Lu , Jianfei Cai

Recently, SpecAugment, an augmentation scheme for automatic speech recognition that acts directly on the spectrogram of input utterances, has shown to be highly effective in enhancing the performance of end-to-end networks on public…

音频与语音处理 · 电气工程与系统科学 2019-12-12 Daniel S. Park , Yu Zhang , Chung-Cheng Chiu , Youzheng Chen , Bo Li , William Chan , Quoc V. Le , Yonghui Wu