About
Experienced data scientist working to make Tensorflow even better
Activity
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I'm very pleased to announce that our new book, "Machine Learning Production Systems" is now available in early-release on the O'Reilly website, due…
I'm very pleased to announce that our new book, "Machine Learning Production Systems" is now available in early-release on the O'Reilly website, due…
Shared by Robert Crowe
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Gemma, the first open model based on the Gemini architecture, is now available! https://lnkd.in/g5rAuHvd
Gemma, the first open model based on the Gemini architecture, is now available! https://lnkd.in/g5rAuHvd
Shared by Robert Crowe
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ML Community Summit in Tashkent, Uzbekistan with the most active community members and colleagues from all around the globe. 3 days of full schedule…
ML Community Summit in Tashkent, Uzbekistan with the most active community members and colleagues from all around the globe. 3 days of full schedule…
Liked by Robert Crowe
Experience
Education
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Udacity
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In depth study of artificial intelligence, including adversarial search, simulated annealing, constraint satisfaction, and hidden Markov models
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A year-long intensive program in Machine Learning technologies and applications created by Udacity and Google
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Computer vision and deep learning for autonomous vehicles. Sensor fusion, including Kalman filters. Advanced control systems.
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Andrew Ng's Machine Learning course developed at Stanford. Covered the fundamentals of machine learning at the MATLAB level, including supervised and unsupervised learning, dimensionality reduction and feature engineering, detecting and dealing with overfitting and underfitting, bias and variance problems, and neural networks.
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Distributed machine learning on large datasets with Apache Spark. Fundamentals of distributed map reduce with large datasets using Apache Spark. Covered supervised and unsupervised learning, NLP with TF-IDF and bag of words, and dimensionality reduction.
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Licenses & Certifications
Volunteer Experience
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VP Technology
Castillero Education Foundation
- Present 11 years 10 months
Education
* Developed STEM based programs for non-profit foundation
* Developed and taught 3D printing courses for middle school kids
Patents
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Computer graphics plotter control
US 5,138,561
An algorithm that I developed for Xerox to predict rendering time for high speed graphics engines.
Projects
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Computer Vision - Autonomous Vehicles - Vehicle Detection
Created a computer vision pipeline capable of detecting vehicles in video stream in real-time:
* Performed a Histogram of Oriented Gradients (HOG) feature extraction on a labeled training set of images and train a Linear SVM classifier
* Applied color transform and added binned color features, as well as histograms of color, to HOG feature vector
* Implemented a sliding-window technique and use your trained classifier to search for vehicles in images
* Estimated a…Created a computer vision pipeline capable of detecting vehicles in video stream in real-time:
* Performed a Histogram of Oriented Gradients (HOG) feature extraction on a labeled training set of images and train a Linear SVM classifier
* Applied color transform and added binned color features, as well as histograms of color, to HOG feature vector
* Implemented a sliding-window technique and use your trained classifier to search for vehicles in images
* Estimated a bounding box for vehicles detected -
Computer Vision - Autonomous Vehicles - Advanced Lane Finding
Implemented an advanced computer vision approach to identifying and tracking the lane boundaries and the vehicle position using data from a forward facing camera:
* Computed the camera calibration matrix and distortion coefficients given a set of chessboard images.
* Applied distortion correction to raw images for correct for lens distortion
* Used color transforms, gradients, etc., to create a thresholded binary image.
* Appled a perspective transform to rectify binary image…Implemented an advanced computer vision approach to identifying and tracking the lane boundaries and the vehicle position using data from a forward facing camera:
* Computed the camera calibration matrix and distortion coefficients given a set of chessboard images.
* Applied distortion correction to raw images for correct for lens distortion
* Used color transforms, gradients, etc., to create a thresholded binary image.
* Appled a perspective transform to rectify binary image ("birdseye view").
* Detected lane pixels and fit to find the lane boundary.
* Determined the curvature of the lane and vehicle position with respect to center.
* Warped the detected lane boundaries back onto the original image.
* Outputted a visual display of the lane boundaries and numerical estimation of lane curvature and vehicle position, overlaid on the camera video -
Deep Learning - Autonomous Vehicles - Behavioral Cloning
* Sole developer
* Trained a model to steer a car in a simulator, using the steering data generated as a human drives the same car as the training data. It is therefore a regression problem, since steering angles are continuous values.
* Successfully trained the model to steer the car correctly 100% of the time -
Deep Learning - CNN German Traffic Sign Recognition
* Sole developer
* This is an implementation in Tensorflow of a convolutional network classifier for the German Traffic Sign dataset. http://benchmark.ini.rub.de/?section=gtsrb&subsection=dataset
* The architecture is based on a paper by Pierre Sermanet and Yann LeCun: http://yann.lecun.com/exdb/publis/pdf/sermanet-ijcnn-11.pdf
* Achieved 80.95% accuracy on a challenging dataset -
Deep Learning - AlexNet on Google Streetview
* Sole developer
* An implementation of AlexNet in Tensorflow to classify Google Street View House Numbers. AlexNet is a Convolutional Neural Network and classifier that established CNNs as the leading architecture for image processing.
* Achieved 93.56% accuracy
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Reinforcement Learning - Smartcab
* Sole developer
* An implementation of reinforcement learning using Q-learning to teach a smart cab to drive. Implemented in Python using Scikit-Learn (sklearn).
* Starting with a model that makes random choices and receives rewards and penalties based on the scenario rules, the model is analysed and improved as Q-learning is implemented, the state-action pairs are defined, and hyperparameters are adjusted. The implementation goes through four different versions of incremental…* Sole developer
* An implementation of reinforcement learning using Q-learning to teach a smart cab to drive. Implemented in Python using Scikit-Learn (sklearn).
* Starting with a model that makes random choices and receives rewards and penalties based on the scenario rules, the model is analysed and improved as Q-learning is implemented, the state-action pairs are defined, and hyperparameters are adjusted. The implementation goes through four different versions of incremental refinement.
* Acheived 99% success rate -
Deep Learning - TSA Checkpoint Prediction
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Developed system to predict passenger wait times based on sensor data. Currently in production at Detroit International Airport:
* Field tested 3 different sensor systems and data to establish cost/value
* Developed and trained feed-forward neural network using Tensorflow
* Developed production system to perform inference using trained model using Tensorflow Serving
* Developed web-based management and reporting console
More activity by Robert
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Early release! Our new book from O'Reilly is now available in early release. As of today it's only two chapters, but we have many more written and…
Early release! Our new book from O'Reilly is now available in early release. As of today it's only two chapters, but we have many more written and…
Shared by Robert Crowe
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Great blog post by Hannes and Cole on the use of TF Similarity with TFX! #TFX #tensorflow #ml
Great blog post by Hannes and Cole on the use of TF Similarity with TFX! #TFX #tensorflow #ml
Shared by Robert Crowe
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If you're incredibly bored and want to hear me drone on, here's a talk that I gave a few months ago. It was a fun topic! https://lnkd.in/djb2b4VB…
If you're incredibly bored and want to hear me drone on, here's a talk that I gave a few months ago. It was a fun topic! https://lnkd.in/djb2b4VB…
Shared by Robert Crowe
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Still #1 and growing! https://lnkd.in/gyC3aR7f
Still #1 and growing! https://lnkd.in/gyC3aR7f
Shared by Robert Crowe
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I am very excited to show you all an amazing project from Google Brain, released today: Imagen! Imagen is a text-to-image diffusion model that…
I am very excited to show you all an amazing project from Google Brain, released today: Imagen! Imagen is a text-to-image diffusion model that…
Liked by Robert Crowe
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If you can, please help us support Ukraine. You'll get access to some interesting talks too, including mine!
If you can, please help us support Ukraine. You'll get access to some interesting talks too, including mine!
Shared by Robert Crowe
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I’m excited to announce that I’ll be presenting at ODSC East 2022, April 19-21 in Boston. Join my talk to learn about the Production ML Journey with…
I’m excited to announce that I’ll be presenting at ODSC East 2022, April 19-21 in Boston. Join my talk to learn about the Production ML Journey with…
Shared by Robert Crowe
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In India, students at 883 schools across the country have added AI to their curriculum for students beginning in eighth grade. China provides AI…
In India, students at 883 schools across the country have added AI to their curriculum for students beginning in eighth grade. China provides AI…
Posted by Robert Crowe
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#machinelearning #automl #mlops **Auto ML and Google Cloud Platform (GCP)** A productive Sunday completing the week 1 of the third course in the…
#machinelearning #automl #mlops **Auto ML and Google Cloud Platform (GCP)** A productive Sunday completing the week 1 of the third course in the…
Liked by Robert Crowe
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One correction - In the second to last paragraph, Andrew and I were discussion DistBelief, the predecessor to TensorFlow.
One correction - In the second to last paragraph, Andrew and I were discussion DistBelief, the predecessor to TensorFlow.
Shared by Robert Crowe
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