H
Hershel Mehta
Researcher at Stanford University
Publications - 6
Citations - 3338
Hershel Mehta is an academic researcher from Stanford University. The author has contributed to research in topics: Deep learning & Bipolar disorder. The author has an hindex of 6, co-authored 6 publications receiving 2374 citations.
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CheXNet: Radiologist-Level Pneumonia Detection on Chest X-Rays with Deep Learning
Pranav Rajpurkar,Jeremy Irvin,Kaylie Zhu,Brandon Yang,Hershel Mehta,Tony Duan,Daisy Yi Ding,Aarti Bagul,Curtis P. Langlotz,Katie Shpanskaya,Matthew P. Lungren,Andrew Y. Ng +11 more
TL;DR: An algorithm that can detect pneumonia from chest X-rays at a level exceeding practicing radiologists is developed, and it is found that CheXNet exceeds average radiologist performance on the F1 metric.
Journal ArticleDOI
Deep learning for chest radiograph diagnosis: A retrospective comparison of the CheXNeXt algorithm to practicing radiologists
Pranav Rajpurkar,Jeremy Irvin,Robyn L. Ball,Kaylie Zhu,Brandon Yang,Hershel Mehta,Tony Duan,Daisy Ding,Aarti Bagul,Curtis P. Langlotz,Bhavik N. Patel,Kristen W. Yeom,Katie Shpanskaya,Francis G. Blankenberg,Jayne Seekins,Timothy J. Amrhein,David A. Mong,Safwan Halabi,Evan J. Zucker,Andrew Y. Ng,Matthew P. Lungren +20 more
TL;DR: CheXNeXt, a convolutional neural network to concurrently detect the presence of 14 different pathologies, including pneumonia, pleural effusion, pulmonary masses, and nodules in frontal-view chest radiographs, achieved radiologist-level performance on 11 pathologies and did not achieve radiologists' level performance on 3 pathologies.
Journal ArticleDOI
Prefrontal cortical regulation of brainwide circuit dynamics and reward-related behavior
Emily A. Ferenczi,Kelly A. Zalocusky,Conor Liston,Logan Grosenick,Melissa R. Warden,Debha Amatya,Kiefer Katovich,Hershel Mehta,Brian Patenaude,Charu Ramakrishnan,Paul Kalanithi,Amit Etkin,Brian Knutson,Gary H. Glover,Karl Deisseroth,Karl Deisseroth,Karl Deisseroth +16 more
TL;DR: Optogenetic and brain imaging approaches reveal a causal brainwide dynamical mechanism for the hedonic-anhedonic transition and test the hypothesis that elevated medial prefrontal cortex (mPFC) excitability exerts suppressive control over the interactions between two distant subcortical regions: the dopaminergic midbrain and the striatum.
Posted Content
MURA: Large Dataset for Abnormality Detection in Musculoskeletal Radiographs.
Pranav Rajpurkar,Jeremy Irvin,Aarti Bagul,Daisy Ding,Tony Duan,Hershel Mehta,Brandon Yang,Kaylie Zhu,Dillon Laird,Robyn L. Ball,Curtis P. Langlotz,Katie Shpanskaya,Matthew P. Lungren,Andrew Y. Ng +13 more
TL;DR: MURA, a large dataset of musculoskeletal radiographs containing 40,561 images from 14,863 studies, where each study is manually labeled by radiologists as either normal or abnormal is introduced, and a 169-layer DenseNet baseline model is trained to detect and localize abnormalities.
Posted Content
MURA Dataset: Towards Radiologist-Level Abnormality Detection in Musculoskeletal Radiographs
Pranav Rajpurkar,Jeremy Irvin,Aarti Bagul,Daisy Yi Ding,Tony Duan,Hershel Mehta,Brandon Yang,Kaylie Zhu,Dillon Laird,Robyn L. Ball,Curtis P. Langlotz,Katie Shpanskaya,Matthew P. Lungren,Andrew Y. Ng +13 more
TL;DR: A 169-layer densely connected convolutional network is trained to detect and localize abnormalities in MURA, a large dataset of musculoskeletal radiographs containing 40,895 images from 14,982 studies, and it is found that the model achieves performance comparable to that of radiologists.