YOLO, You Only Look Once, is a real-time object detection system. You can read the research paper or watch the videos on the website to get a feel for what this system offers. Best of all, the source code is completely free! This blog will not get into retraining the system or implementing it for … Continue reading YOLO and Nifi: You Only LOOK Once – Part I
Author: Scott
Nationals – World Series Champions
Fight Finished! In case you need to re-live game #7 where the Nats came from behind to beat the Astros, here's my book. World Series Game #7 - WSH @ HOU Or the link to LiveBaseballScoreCards. Thank you Nationals for an exciting year of baseball, and for staying in the fight. Go Nats!
Apache Nifi – Part 1
For the past few days I've been experimenting with Apache Nifi. Nifi is a scalable, visual programming tool for developing and running data migration, transformation, and processing dataflows within and among systems. Dataflows are built by dropping pre-built processors on a canvas, configuring them, and connecting their inputs and outputs as necessary. Each processor is … Continue reading Apache Nifi – Part 1
Apache Nifi – Part 2
In my last blog about Nifi, I demonstrated a simple dataflow to obtain current weather data from Open Weather Map and write it to a JSON file. Recall the overview of the dataflow shown in the figure below. Nifi dataflow to query http://www.openweathermap.org for local weather, save data as JSON, and display results in web … Continue reading Apache Nifi – Part 2
Jupyter Notebooks and Documentum
I've known about Jupyter Notebooks for sometime and have occasionally used other people's notebooks, but never really explored them myself. I think they are very cool and a terrific way to share research, tutorials, examples -- really anything you want to be more interactive than a static web page (and Jupyter Lab looks even cooler!). … Continue reading Jupyter Notebooks and Documentum
My Live MLB Scoreboard
As I hinted previously, I scoured the Internet looking for a way to obtain official MLB scoring for live baseball games. Finding none, I decided to use this opportunity to teach myself Python and parse the the MLB dataset to find it myself. MLB publishes a dizzying amount of data (XML) every 20 seconds or … Continue reading My Live MLB Scoreboard
Secret Sharing
I first learned about Adi Shamir's secret sharing scheme in Bruce Schneier's book, Applied Cryptography. Although the coverage was light, I was fascinated by the idea and thought it would make a fun feature in a movie or novel plot. But, as pointed out in the book and elsewhere (1, 2), it has practical application … Continue reading Secret Sharing
Cryptograms
I recently picked up The Mammoth Book of Secret Codes and Cryptograms before heading out for summer vacation. The book contains over 600 mind-bending cryptograms based upon quotations from famous people. All of the quips impart some kind of wisdom or good advice. There are quotes from Benjamin Franklin, Mahatma Gandhi, the Tumult and the … Continue reading Cryptograms
Black Hills
I just returned from the Black Hills of South Dakota. "Why?", you ask. Why did I go, or why did I return? I went for a family reunion and celebration of an aunt and uncle's 50th wedding anniversary. Why did I return? Alas, it was only a vacation, but let me tell you (and show … Continue reading Black Hills
Live Baseball Scorecards
I'm kind of a baseball geek and enjoy scoring baseball games. Scorecard for Mets at Nationals, Opening Day 2019 This can be a challenge while experiencing the game on TV or radio, as opposed to live, because you can't see the entire field of play. Occasionally, things happen on the field that I don't know … Continue reading Live Baseball Scorecards
