machine-learning technique
Classification of Radiologically Isolated Syndrome and Clinically Isolated Syndrome with Machine-Learning Techniques
Mato-Abad, V, Labiano-Fontcuberta, A, Rodriguez-Yanez, S, Garcia-Vazquez, R, Munteanu, CR, Andrade-Garda, J, Domingo-Santos, A, Sanchez-Seco, V Galan, Aladro, Y, Martinez-Gines, ML, Ayuso, L, Benito-Leon, J
Background and purpose: The unanticipated detection by magnetic resonance imaging (MRI) in the brain of asymptomatic subjects of white matter lesions suggestive of multiple sclerosis (MS) has been named radiologically isolated syndrome (RIS). As the difference between early MS [i.e. clinically isolated syndrome (CIS)] and RIS is the occurrence of a clinical event, it is logical to improve detection of the subclinical form without interfering with MRI as there are radiological diagnostic criteria for that. Our objective was to use machine-learning classification methods to identify morphometric measures that help to discriminate patients with RIS from those with CIS. Methods: We used a multimodal 3-T MRI approach by combining MRI biomarkers (cortical thickness, cortical and subcortical grey matter volume, and white matter integrity) of a cohort of 17 patients with RIS and 17 patients with CIS for single-subject level classification. Results: The best proposed models to predict the diagnosis of CIS and RIS were based on the Naive Bayes, Bagging and Multilayer Perceptron classifiers using only three features: the left rostral middle frontal gyrus volume and the fractional anisotropy values in the right amygdala and right lingual gyrus. The Naive Bayes obtained the highest accuracy [overall classification, 0.765; area under the receiver operating characteristic (AUROC), 0.782]. Conclusions: A machine-learning approach applied to multimodal MRI data may differentiate between the earliest clinical expressions of MS (CIS and RIS) with an accuracy of 78%. Keywords: Bagging; Multilayer Perceptron; Naive Bayes classifier; clinically isolated syndrome; diffusion tensor imaging; machine-learning; magnetic resonance imaging; multiple sclerosis; radiologically isolated syndrome.
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New technique helps robots pack objects into a tight space
MIT researchers are using generative AI models to help robots more efficiently solve complex object manipulation problems, such as packing a box with different objects. Anyone who has ever tried to pack a family-sized amount of luggage into a sedan-sized trunk knows this is a hard problem. For the robot, solving the packing problem involves satisfying many constraints, such as stacking luggage so suitcases don't topple out of the trunk, heavy objects aren't placed on top of lighter ones, and collisions between the robotic arm and the car's bumper are avoided. Some traditional methods tackle this problem sequentially, guessing a partial solution that meets one constraint at a time and then checking to see if any other constraints were violated. With a long sequence of actions to take, and a pile of luggage to pack, this process can be impractically time consuming.
New technique helps robots pack objects into a tight space
MIT researchers are using generative AI models to help robots more efficiently solve complex object manipulation problems, such as packing a box with different objects. Anyone who has ever tried to pack a family-sized amount of luggage into a sedan-sized trunk knows this is a hard problem. For the robot, solving the packing problem involves satisfying many constraints, such as stacking luggage so suitcases don't topple out of the trunk, heavy objects aren't placed on top of lighter ones, and collisions between the robotic arm and the car's bumper are avoided. Some traditional methods tackle this problem sequentially, guessing a partial solution that meets one constraint at a time and then checking to see if any other constraints were violated. With a long sequence of actions to take, and a pile of luggage to pack, this process can be impractically time consuming.
What is ChatGPT? Can it replace Google? All you need to know
Fears are spreading in Silicon Valley that ChatGPT – the AI chatbot taking the world by storm – could become the globe's go-to search engine. Google execs are said to have declared a'code red' over fears its $150-billion-a-year search business monopoly could be wiped out thanks to the Microsoft-backed tool. Much has been made about ChatGPT's ability to perform eerily-human professional tasks such as writing emails and resumes. But fears in big tech stem from the fact it can instantly conversationally respond to users' questions, using data aggregated from the internet. That's a worry for search engines that rely on users scrolling and researching themselves, exposing them to advertisements.
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Brain Tumor Classification Using Tensorflow and Transfer Learning
I used machine-learning techniques to classify four different types of brain tumors; No Tumor, Glioma Tumor, Meningioma Tumor, and Pituitary Tumor. So, I thought of writing an article about the same. I will divide this article into two different parts, In part 1 we will build a machine-learning model to classify the brain tumor (the one you're reading), and in part 2 I will talk about how to put your machine-learning model into production. So, without any further ado, let's get started. A Brain Tumor is nothing but a mass or growth of abnormal cells in your brain.
5 Machine Learning Mistakes and How to Solve It
Machine Learning allows organizations to make better data-driven decisions. It also helps solve machine learning mistakes that were previously beyond the reach of traditional analytical methods. Machine learning presents many of the same challenges as other analytics methods. We will discuss some common machine learning mistakes organizations make when incorporating machine learning into their analytics strategy. A shortage of deep analytics talent is a constant problem.
Tech Industry Stuck Over Patent Problems With AI Algorithms - AI Summary
Machine learning algorithms can, for example, spit out molecule combinations in the hunt for new drugs, map out schematics for novel chip designs, and even write code. She said Google had filed multiple patents describing a machine-learning technique used internally to automatically design and map out components in the company's custom AI accelerator TPU chips currently used in its servers. The uncertainty surrounding whether it's possible or how best to apply for patents protecting IP produced by algorithms can sometimes be a roadblock in developing new products, especially in the pharmaceutical and biotech industries. Companies that rely on using AI software to create new drugs or antibodies, for example, often need to secure patents before they can kick start clinical trials. "We at Google are definitely giving a lot of thought to the inventorship question overall… We're thinking through inventive contribution issues throughout the AI development process," Sheridan concluded.
Are machine-learning tools the future of healthcare?
Terms like "machine learning," "artificial intelligence" and "deep learning" have all become science buzzwords in recent years. But can these technologies be applied to saving lives? The answer to that is a resounding yes. Future developments in health science may actually depend on integrating rapidly growing computing technologies and methods into medical practice. Cosmos spoke with researchers from the University of Pittsburgh, in Pennsylvania, US, who have just published a paper in Radiology on the use of machine-learning techniques to analyse large data sets from brain trauma patients.
Global Big Data Conference
A new machine-learning technique could pinpoint potential power grid failures or cascading traffic bottlenecks in real time. Identifying a malfunction in the nation's power grid can be like trying to find a needle in an enormous haystack. Hundreds of thousands of interrelated sensors spread across the U.S. capture data on electric current, voltage, and other critical information in real time, often taking multiple recordings per second. Researchers at the MIT-IBM Watson AI Lab have devised a computationally efficient method that can automatically pinpoint anomalies in those data streams in real time. They demonstrated that their artificial intelligence method, which learns to model the interconnectedness of the power grid, is much better at detecting these glitches than some other popular techniques.
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