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A Universal Law of Robustness via Isoperimetry

arXiv.org Machine Learning

We propose an explanation for this enigmatic phenomenon, showing in great generality that finding a smooth function to fit d-dimensional data requires at least nd parameters. In other words, overparametrization by a factor of d is necessary for smooth interpolation, suggesting that perhaps the large size of the models used in deep learning is a necessity rather than a weakness of the framework. Another way to phrase the result is as a tradeoff between the size of a model (as measured by the number of parameters) and its "robustness" (as measured by its Lipschitz constant): either one has a small model (with n parameters) which must then be non-robust, or one has a robust model (constant Lipschitz) but then it must be very large (with nd parameters). Such a tradeoff was conjectured for the specific case of two-layer neural networks and Gaussian data in [BLN21]. Our result shows that in fact it is a universal phenomenon, which applies to essentially any parametrized function class (including in particular deep neural networks) as well as a much broader class of data distributions.


Bitcoin and its History: A View to Know the Cryptocurrency

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Surely you have heard ever about this emerging term "Bitcoin". In nowadays scenario, according to researchers, it is said that future of transactions and exchange rely on this system. What is it, how it is created, why we invest in such types of digital currency etc? Let's have a look at this technology. It is the first decentralized digital currency also known as a digital coin a computer file that is stored in a digital wallet on your pc, laptop, or mobile. A node-to-node version of digital cash will allow online payments to be sent directly from one party to another without having any financial institution.


From low code to no code: Azure GPT-3 and Microsoft's Power Platform

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Microsoft has been making major investments in very large language models, from the hardware to run them in Azure (which it talks about as an'AI supercomputer') to the DeepSpeed library that speeds up training and running machine-learning models with billions of parameters by spreading them across multiple GPUs. In 2020, Microsoft got an exclusive licence for the powerful (and sometimes controversial) GPT-3 natural language generation model from OpenAI, which uses 175 billion parameters to produce what can look very much like something written by a person. OpenAI has a GPT-3 API that's trained and run on Azure, but it's in private beta and researchers and academics have to apply individually to join a waitlist. Similarly, Microsoft hasn't yet started even a private preview for what it calls the Open AI GPT and Azure Service and the page to sign up for notifications says there is no release date yet. But Microsoft is already using GPT-3 and other natural language generation in its products for features that are much more sophisticated than writing automatic captions for images.


Practical Deep Learning: Real World Deep Learning Projects.

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Machine learning (ML) is a branch of artificial intelligence (AI) that enables computers to self-learn and improve over time without being explicitly programmed. In short, machine learning algorithms are able to detect and learn from patterns in data and make their own predictions. In traditional programming, someone writes a series of instructions so that a computer can transform input data into a desired output. Instructions are mostly based on an IF-THEN structure: when certain conditions are met, the program executes a specific action. Machine learning, on the other hand, is an automated process that enables machines to solve problems and take actions based on past observations.


What's Happening with Artificial intelligence at a Macro Level Around the World?

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Organizations that contributed to the report include representatives from arXiv, AI Ethics Lab, Black in AI, Bloomberg Government, Burning Glass Technologies, Computing Research Association, Elsevier, Intento, International Federation of Robotics, Joint Research Center, European Commission, LinkedIn, Liquidnet, McKinsey Global Institute, Microsoft Academic Graph, National Institute of Standards and Technology, Nesta, NetBase Quid, PostEra, Queer in AI, State of AI Report, Women in Machine Learning, and many individual contributors. Supporting partners to the report include McKinsey & Company, Google, OpenAI, Genpact, AI21 labs, and PricewaterhouseCoopers.


AI has a long way to go before doctors can trust it with your life

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Geoffrey Hinton is a legendary computer scientist. When Hinton, Yann LeCun, and Yoshua Bengio were given the 2018 Turing Award, considered the Nobel prize of computing, they were described as the "Godfathers of artificial intelligence" and the "Godfathers of Deep Learning." Naturally, people paid attention when Hinton declared in 2016, "We should stop training radiologists now, it's just completely obvious within five years deep learning is going to do better than radiologists." The US Food and Drug Administration (FDA) approved the first AI algorithm for medical imaging that year and there are now more than 80 approved algorithms in the US and a similar number in Europe. Yet, the number of radiologists working in the US has gone up, not down, increasing by about 7% between 2015 and 2019.


How to Implement Deep Neural Networks for Radar Image Classification

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Radar-based recognition and localization of people and things in the home environment has certain advantages over computer vision, including increased user privacy, low power consumption, zero-light operation and more sensor flexible placement. Shallow machine learning techniques such as Support Vector Machines and Logistic Regression can be used to classify images from radar, and in my previous work, Teaching Radar to Understand the Home and Using Stochastic Gradient Descent to Train Linear Classifiers I shared how to apply some of these methods. In this article, you will learn how to develop Deep Neural Networks (DNN)and train them to classify objects in radar images. In addition, you will learn how to use a Semi-Supervised Generative Adversarial Network (SGAN) [1] that only needs a small number of labeled data to train a DNN classifier. This is important in dealing with radar data sets because of the dearth of large training sets, in contrast to those available for camera-based images (e.g., ImageNet) which has helped to make computer vision ubiquitous.


EDA in a single line of CODE

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Exploring a Dataset before getting started or preparing it for a machine learning model is really important because we should know what the data is telling and what all features and target column has. Generally, we start by finding out the relationship between different columns, creating different types of visualizations, finding patterns in data, etc. According to a study Exploratory Data Analysis consumes around 40% of the total project time, What if I say that it can be reduced to 10%? This means now you can focus more on building a robust and highly accurate Machine/Deep Learning Model without wasting much of your time in EDA. Sweetviz is an open-source python library that creates an EDA report in just a single line of code. Yes, you read it correctly, in just a single line of code, you can analyze data, visualize the patterns and associations of different columns in the dataset.


This is a great moment to look for a new job in Artificial Intelligence.

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Artificial intelligence (AI) is essential because it allows the software to perform human capacities such as understanding, reasoning, planning, communication, and perception in an increasingly effective, efficient, and low-cost manner. In most business sectors, automating these skills opens up new opportunities. With the significant evolution of algorithms, AI is already a reality. Deep Learning algorithms such as Convolutional Neural Networks (CNNs), for example, have significantly improved computers' ability to recognize objects in images. In addition, Recurrent Neural Networks (RNNs) algorithms produce voice recognition systems that outperform humans.


AI Weekly: China's massive multimodal model highlights AI research gap

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This week, researchers at the Beijing Academy of Artificial Intelligence (BAAI) announced the release of Wu Dao 2.0, a multimodal AI model capable of generating text indiscernible from human-crafted prose -- and more. Containing 1.75 trillion parameters, the parts of the machine learning model learned from historical training data, Wu Dao 2.0 is 10 times larger than OpenAI's 175-billion-parameter GPT- 3. Wu Dao 2.0 is the latest example of what OpenAI policy director Jack Clark calls model diffusion, or multiple state and private actors developing GPT-3-style AI models. For example, Russia and France are training smaller-scale systems via Sberbank and LightOn's PAGnol, while Korea's Naver Labs is investing in the recently created HyperCLOVA. Clark notes that because these models reflect and magnify the data they're trained on, different countries care about how their own cultures are represented in the models. The Wu Dao 2.0 announcement, then, is part of a general trend of nations asserting their own AI capabilities via training frontier models like GPT-3.