mimighost

951 Added | 10 Magazines | 648 Likes | 17 Following | 24 Followers | @mimighost | Keep up with mimighost on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “mimighost”

Micro Average vs Macro average Performance in a Multiclass classification setting

I am trying out a multiclass classification setting with 3 classes. The class distribution is skewed with most of the data falling in 1 of the 3 …

Natural Language Processing

Partial derivative. Total differential. Total derivative. Chain rule. Directional derivative. Differentiation under the integral sign. Leibnitz’s rule.

represents the partial derivative of f(x, y, z, p, q, ... ) with respect to x (the hats indicating variables held fixed). The variables held fixed …

How Postgres Makes Transactions Atomic

Atomicity (in the sense of “ACID”) states that for a series of operations performed against a database, either every one of them commits together, or …

Databases

Deep Learning for NLP Best Practices

Update July 26, 2017: For additional context, the HackerNews discussion about this post.Table of contents:• Introduction<br>• Best practices• Word …

Natural Language Processing

Deep Learning Paper Implementations: Spatial Transformer Networks - Part II

In last week’s blog post, we introduced two very important concepts: <b>affine transformations</b> and <b>bilinear interpolation</b> and mentioned that they would …

Deep Learning

Get 10x Speedup in Tensorflow Multi-Task Learning using Python Multiprocessing

Background<p>Recently I started to model user search queries using Tensorflow. After some discussion with my team, the original problem boils down to a …

Deep Learning

Facets: An Open Source Visualization Tool for Machine Learning Training Data

Posted by James Wexler, Senior Software Engineer, Google Big Picture Team<i><br>(Cross-posted on the Google Open Source Blog)</i><br>Getting the best results out of …

Machine Learning

Writing RNNs in Tensorflow

In this post I’ll talk through the pieces of the tensorflow API most relevant to building recurrent neural networks. The tensorflow documentation is …

Deep Learning

Faster Physics in Python

We're open-sourcing a high-performance Python library for robotic simulation using the MuJoCo engine, developed over our past year of robotics …

Virtual Reality

A Research to Engineering Workflow

Going from a research idea to experiments is fundamental. But this step is typically glossed over with little explicit advice. In academia, the …

Machine Learning

zi2zi: Master Chinese Calligraphy with Conditional Adversarial Networks

Generated samples. Related code can be found <b>here</b><p>Motivation<p><b>zi2zi</b> is the follow-up work for my last project, once again tackling the same problem of …

Deep Learning
Algorithms

Which GPU(s) to Get for Deep Learning

Deep learning is a field with intense computational requirements and the choice of your GPU will fundamentally determine your deep learning …

Deep Learning

Japan to Unveil Pascal GPU-Based AI Supercomputer

A shared appetite for high performance computing hardware and frameworks is pushing both supercomputing and deep learning into the same territory. …

Computers

Introducing Similarity Search at Flickr | code.flickr.com

At Flickr, we understand that the value in our image corpus is only unlocked when our members can find photos and photographers that inspire them, so …

Deep Learning

Assisting Pathologists in Detecting Cancer with Deep Learning

Posted by Martin Stumpe, Technical Lead, and Lily Peng, Product Manager<br>A pathologist’s report after reviewing a patient’s biological tissue samples …

Cancer

Deconvolution and Checkerboard Artifacts

When we look very closely at images generated by neural networks, we often see a strange checkerboard pattern of artifacts.

Neural Networks
China

There's no escaping Boston Dynamics' wheeled jumping robot

Boston Dynamics has officially unveiled its latest robot after footage leaked earlier in February showing the new design. Known as "Handle" the new …

Robotics

Using Keras and Deep Deterministic Policy Gradient to play TORCS | Ben Lau

300 lines of python code to demonstrate DDPG with Keras<p>Overview<p>This is the second blog posts on the reinforcement learning. In this project we will …

Image-to-Image Translation in Tensorflow

Make discriminators do your work for you<p>I thought that the results from pix2pix by Isola et al. looked pretty cool and wanted to implement an …

Feel The Kern - Generating Proportional Fonts with AI

A about a year ago I read two blog posts about generating fonts with deep learning; one by Erik Bernhardsson and TJ Torres at StitchFix. Inspired by …

Redirecting…

Eric Schmidt: AI research needs to be done in the open, not in military labs

The industry should be thinking of ways to convince governments to agree to not militarize the internet with machine learning technologies, the …

Artificial Intelligence

Upsampling and Image Segmentation with Tensorflow and TF-Slim

A post showing how to perform Upsampling and Image Segmentation with a recently released TF-Slim library and pretrained models.<p>Introduction<p>In the …

Generative Adversarial Networks (GANs) in 50 lines of code (PyTorch)

<b>tl;dr:</b> <i>GANs are simpler to set up than you think</i><p>In 2014, Ian Goodfellow and his colleagues at the University of Montreal published a stunning paper …

Deep Learning

Obama’s Lost Army

On July 20, 2008, Mitch Kapor, the creator of Lotus 1-2-3 and a longtime denizen of Silicon Valley’s intellectual elite, dialed in to a conference …

Government

Amazon's Supposed Automated Grocery Store Will Have as Little as 3 Human Employees

Online shopping platform Amazon is working on its first physical convenience store and, according to reports, an automated grocery store could be …

eCommerce

TensorFlow: Shapes and dynamic dimensions – metaflow-ai

Here is a simple HowTo to understand the concept of shapes in TensorFlow and hopefully avoid losing hours of debugging them.<p>What is a tensor?<p>Very …