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SimSort: A Powerful Framework for Spike Sorting by Large-Scale Electrophysiology Simulation

Zhang, Yimu, Han, Dongqi, Wang, Yansen, Gu, Yu, Li, Dongsheng

arXiv.org Artificial Intelligence

Spike sorting is an essential process in neural recording, which identifies and separates electrical signals from individual neurons recorded by electrodes in the brain, enabling researchers to study how specific neurons communicate and process information. Although there exist a number of spike sorting methods which have contributed to significant neuroscientific breakthroughs, many are heuristically designed, making it challenging to verify their correctness due to the difficulty of obtaining ground truth labels from real-world neural recordings. In this work, we explore a data-driven, deep learning-based approach. We begin by creating a large-scale dataset through electrophysiology simulations using biologically realistic computational models. We then present \textbf{SimSort}, a pretraining framework for spike sorting. Remarkably, when trained on our simulated dataset, SimSort demonstrates strong zero-shot generalization to real-world spike sorting tasks, significantly outperforming existing methods. Our findings underscore the potential of data-driven techniques to enhance the reliability and scalability of spike sorting in experimental neuroscience.


Azure Machine Learning - Create Compute Instance And Compute Cluster

#artificialintelligence

In this article, we'll learn about Azure Machine Learning and create computer cluster and compute instance in Machine Learning Workspace in Azure which we'll use for our project on the Azure Machine Learning Series. This article is a part of the Azure Machine Learning Series where we'll learn about the end-to-end process of Machine Learning capabilities enabled by Azure Machine Learning Studio. Microsoft AI is a powerful framework that enables organizations, researchers, and non-profits to use AI technologies with its powerful framework which offers services and features across domains of Machine Learning, Robotics, Data Science, IoT, and many more. The Azure Machine Learning enriches and consolidates the functionalities to support model training and deployment which transitions from Machine Learning Studio. It provides tools for Machine Learning works for all skill levels, provides an open and interoperable framework with support to different languages, and enables robust end-to-end MLOps.


Azure Machine Learning - Create ML Workspace And Compute Cluster

#artificialintelligence

In the previous articles, Azure Machine Learning Pipelines and Azure AI Fundamentals, we've learned holistically about Microsoft AI and its various functionalities as well as about the processes to create pipelines in Azure. This article explores the Azure ML Studio and gives a hands-on guideline to create Machine Learning Workspace in Azure and on Creating Compute Cluster for machine learning projects. Microsoft AI is a powerful framework that enables organizations, researchers, and non-profits to use AI technologies with its powerful framework which offers services and features across domains of Machine Learning, Robotics, Data Science, IoT, and many more. The Azure Machine Learning enriches and consolidates the functionalities to support model training and deployment which transitions from Machine Learning Studio. It provides tools for Machine Learning works for all skill levels, provides an open and interoperable framework with support to different languages, and enables robust end-to-end MLOps.


Artificial Intelligence Overview

#artificialintelligence

Artificial Intelligence though having become a common term in today's time, not just to the technologically aware citizens of the world, but even among regular people has the potential to drive humanity forward in an exponential impact index that hasn't surfaced yet. The untapped potential of AI will take years and if not many more decades to come to fruition before its growth comes to a halt. In this article, we talk about Artificial Intelligence and its key elements and the services provided by Microsoft Azure to help innovators build AI Intelligent Systems. Artificial Intelligence (AI) is the branch of computer science with multiple inter-relations to various domains which refers to the creation of intelligence forms that imitate human capabilities and behavior. Artificial intelligence was first ever coined in 1955 and was envisioned for general artificial intelligence during the initial inception but later, progressed into domain-specific and task-based artificial intelligence.


Microsoft Azure AI Fundamentals

#artificialintelligence

In this article, we'll talk about Microsoft AI, the pathway to learn for beginners who are curious to explore the Microsoft AI Platforms, various functionalities and features supported by Machine Learning Studio in Azure, and the processes to train and better the Machine Learning Models with Azure. We also learn about different algorithms and thus gain the overall knowledge to get started and work with Microsoft Azure AI. Check out the official website of the summit to register as an attendee or to be a speaker and share your knowledge with the community. Microsoft AI is a powerful framework that enables organizations, researchers, and non-profits to use AI technologies with its powerful framework which offers services and features across domains of Machine Learning, Robotics, Data Science, IoT, and many more. One of the advantages of Azure can be realized with this example of how Machine Learning becomes more scalable in the Cloud even while working on Notebooks.


Most Powerful Frameworks to Create Chatbot for Your Business

#artificialintelligence

It is built with having both the developer and non-programmers in mind. Ginibot offers functionalities I have not seen with any other chatbots, like built-in ecommerce system, perfect for small to medium size online stores, empowered by an intelligent CRM that allows companies to present and sell their products on any sales channels, like Facebook Messenger, Slack, Skype, and even instagram in a conversational way. Ginibot supports 184 languages and is equipped with NLP and NLU capabilities.


Simulating Evolution: How Close Do Computer Models Come to Reality?

Huffington Post - Tech news and opinion

Darwin's theory of evolution is a simple but powerful framework that explains how complexity can come from simplicity: how everything biological around us - from the microbial biofilms on your teeth to the majestic redwood trees - emerged from the very simplest of beginnings. How exactly this happened is, of course, a matter of intense research. Each species is finely adapted to thrive in its environment, which in turn has shaped that species' evolutionary history. But those environmental forces exerted on a species occurred over a very long period of time, in the often very distant past. How can we understand which environmental features were responsible for which adaptations we see today?