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The performance of machine learning models can significantly degrade under distribution shifts of the data. We propose a new method for classification which can improve robustness to distribution shifts, by combining expert knowledge about…

机器学习 · 计算机科学 2022-08-31 Souradeep Dutta , Yahan Yang , Elena Bernardis , Edgar Dobriban , Insup Lee

Deep learning can help uncover patterns in resting-state functional Magnetic Resonance Imaging (rs-fMRI) associated with psychiatric disorders and personal traits. Yet the problem of interpreting deep learning findings is rarely more…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Camila González , Yanis Miraoui , Yiran Fan , Ehsan Adeli , Kilian M. Pohl

The perception of color is an important cognitive feature of the human brain. The variety of colors that impinge upon the human eye can trigger changes in brain activity which can be captured using electroencephalography (EEG). In this…

机器学习 · 计算机科学 2020-10-22 Mahima Chaudhary , Sumona Mukhopadhyay , Marin Litoiu , Lauren E Sergio , Meaghan S Adams

A new line of research for feature selection based on neural networks has recently emerged. Despite its superiority to classical methods, it requires many training iterations to converge and detect informative features. The computational…

机器学习 · 计算机科学 2022-11-29 Ghada Sokar , Zahra Atashgahi , Mykola Pechenizkiy , Decebal Constantin Mocanu

Classification models for electroencephalogram (EEG) data show a large decrease in performance when evaluated on unseen test sub jects. We reduce this performance decrease using new regularization techniques during model training. We…

Brain-computer interface (BCI) technology facilitates communication between the human brain and computers, primarily utilizing electroencephalography (EEG) signals to discern human intentions. Although EEG-based BCI systems have been…

信号处理 · 电气工程与系统科学 2024-03-07 Young-Min Go , Seong-Hyun Yu , Hyeong-Yeong Park , Minji Lee , Ji-Hoon Jeong

Intuitive human-machine interfaces may be developed using pattern classification to estimate executed human motions from electromyogram (EMG) signals generated during muscle contraction. The continual use of EMG-based interfaces gradually…

信号处理 · 电气工程与系统科学 2023-10-03 Seitaro Yoneda , Akira Furui

Few-shot learning remains a challenging problem, with unsatisfactory 1-shot accuracies for most real-world data. Here, we present a different perspective for data distributions in the feature space of a deep network and show how to exploit…

计算机视觉与模式识别 · 计算机科学 2021-12-09 Joseph F Comer , Philip L Jacobson , Heiko Hoffmann

We describe two techniques that significantly improve the running time of several standard machine-learning algorithms when data is sparse. The first technique is an algorithm that effeciently extracts one-way and two-way counts--either…

机器学习 · 计算机科学 2015-05-19 David Maxwell Chickering , David Heckerman

We learn the structure of a Markov Network between two groups of random variables from joint observations. Since modelling and learning the full MN structure may be hard, learning the links between two groups directly may be a preferable…

机器学习 · 统计学 2016-05-30 Song Liu , Taiji Suzuki , Masashi Sugiyama , Kenji Fukumizu

Brain imaging data such as EEG or MEG are high-dimensional spatiotemporal data often degraded by complex, non-Gaussian noise. For reliable analysis of brain imaging data, it is important to extract discriminative, low-dimensional intrinsic…

计算机视觉与模式识别 · 计算机科学 2017-05-16 Yiluan Guo , Hossein Nejati , Ngai-Man Cheung

Magnetic Resonance Imaging (MRI) requires a trade-off between resolution, signal-to-noise ratio, and scan time, making high-resolution (HR) acquisition challenging. Therefore, super-resolution for MR image is a feasible solution. However,…

图像与视频处理 · 电气工程与系统科学 2024-09-17 Weifeng Wei , Heng Chen , Pengxiang Su

In genomic analysis, biomarker discovery, image recognition, and other systems involving machine learning, input variables can often be organized into different groups by their source or semantic category. Eliminating some groups of…

In Brain-Computer Interfacing (BCI), due to inter-subject non-stationarities of electroencephalogram (EEG), classifiers are trained and tested using EEG from the same subject. When physical disabilities bottleneck the natural modality of…

信号处理 · 电气工程与系统科学 2019-04-09 Monalisa Pal , Sanghamitra Bandyopadhyay , Saugat Bhattacharyya

Brain-computer interfaces are being explored for a wide variety of therapeutic applications. Typically, this involves measuring and analyzing continuous-time electrical brain activity via techniques such as electrocorticogram (ECoG) or…

神经与进化计算 · 计算机科学 2023-04-28 Yiming Ai , Bipin Rajendran

We propose a novel generative model architecture designed to learn representations for images that factor out a single attribute from the rest of the representation. A single object may have many attributes which when altered do not change…

计算机视觉与模式识别 · 计算机科学 2018-10-01 Antonia Creswell , Yumnah Mohamied , Biswa Sengupta , Anil A Bharath

We describe a polynomial network technique developed for learning to classify clinical electroencephalograms (EEGs) presented by noisy features. Using an evolutionary strategy implemented within Group Method of Data Handling, we learn…

人工智能 · 计算机科学 2007-05-23 Vitaly Schetinin , Joachim Schult

Recently, fluorescence-based optical techniques have emerged as a powerful tool to probe information in the mammalian brain. However, tissue heterogeneities prevent clear imaging of deep neuron bodies due to light scattering. While several…

Medical image segmentation demands an efficient and robust segmentation algorithm against noise. The conventional fuzzy c-means algorithm is an efficient clustering algorithm that is used in medical image segmentation. But FCM is highly…

计算机视觉与模式识别 · 计算机科学 2010-04-13 S. Zulaikha Beevi , M. Mohammed Sathik , K. Senthamaraikannan

Muscle coordination patterns of lingual behaviors are synergies generated by deforming local muscle groups in a variety of ways. Functional units are functional muscle groups of local structural elements within the tongue that compress,…