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Category: Reddit MachineLearning

[Discussion]Good GAN intro tutorials.

I’ll be teaching a tutorial on GAN with tensor flow. While I’m well versed in the math. I really want to make it easy enough for undergrads that may never have heard about GAN (let’s assume they know Python/Keras and some ML).

Do you have any favorite tutorials out there, either blog post or video.

submitted by /u/leonoel
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[D] Research management best practice

Just wonder what are the best practices or role models for research management as a group? Research group activities include properly selecting research direction, balancing risk and feasibility, converting research findings into product, optimizing organizational structures, and performance measure etc., but these activities could easily go wild and out-of-control in practice due to the volatile nature of research. Which organization demonstrated most successful research management in history, and are there any key patterns a research group needs to follow in order to reach higher productivity?

submitted by /u/vernunftig
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Idea: MLOps Composer. Interested in the community’s opinion! [Project]

I have an idea that solves a frustration I got while working on various machine learning projects which I think is quite common. I’m curious what others think before I start building the solution. I’m curious to hear all your suggestions and feedback as I want to create a tool that can be beneficial for as many people in ML as possible. First let me describe the problem and then propose my solution.

During several machine learning endeavors, we often quickly ran into scaling and operation issues: frequently it felt as though keeping (preprocessing) pipelines working correctly for different datasets, optimizing hyperparameters (cost-) effectively and managing tests and deployments was taking much more time than the actual development of the individual pieces. Lots of glue code and extremely precise documentation was necessary to keep experiments easily reproducible. Although individual processes were often relatively simple to grasp, properly managing them to work in concert (in various ways) was extremely time-consuming and tedious.

As a solution to this problem I came up with an idea for an application: what if you could manage the different components of the pipelines (let’s call them modules) and hook them up in a GUI similar to Apple’s Quartz Composer. Several commonly used modules can directly be used (so even without any coding experience!), but the user can also write their own Python scripts that can be interacted with using the application. A simple associated Python library aims to create some consistency in input and outputs of Python scripts which enables them to be used in the GUI. The application would also enable users to easily manage deployments of training sessions, tests and inference endpoints on various cloud providers, local compute, or other computers over SSH. Hyperparameter tuning can also be done through modules. Basically the entire process from raw data to usable models for inference can be streamlined in visual pipelines.

I have seen similar tools, but they are often not as extensive as my idea, and sometimes suffer from vendor lock-in issues (such as with Google AutoML). If I’d build this application I might even do so open source, which would also speed up development.

As said, I’m extremely curious what y’all think. I am interested to hear suggestions, comments or similar ideas. Thanks a lot in advance!

submitted by /u/erikvdplas
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[D] How to create a neural network for the game Ult. tic tac toe?

Hello I want to create a neural network for the game Ult. Tic tac Toe. It is my first neural network that I will create. Is my approach good? I want to have 90 inputs to the layer(81 representing the sub boards and 9 the global boards, -1 for occupied by O, 0 for empty and 1 for occupied by X). I want to include one or two hidden layers with 40 nodes each(Sigmoid function). The output layer has 1 output node ranging from [-1,1] representing 1 that X will win and -1 that O will win.

I want to play the neural network against itself. I want to have a dataset of 50 games. Then I want to interpolate each board state with the probability of winning. For example X won in 20 rounds, initial board has target output of 0 the next states 0.05, 0.1,0.15……, then backpropagate. What do you think?

submitted by /u/Kralex68
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[D] Financial assistance for attending ICCV as a speaker

Hi,

I recently got a paper accepted at ICCV as an oral presentation. I’m super stoked about this but unfortunately struggling to find money to pay for my trip.

I was a post-doc when I worked on the project and submitted the work. I have now left to industry. My present company won’t pay for me to attend for reasons. The previous grant I was employed on is “running low” on its travel budget so they will not assist. If I were still a post-doc, I don’t think this would be an issue..

My ex-boss said she would look for some money, maybe her discretionary fund but I’m not hopeful. This leaves with me self-funding the entire trip, which is looking around $2000.

Are there any avenues I can explore for help? Have others been in this situation and managed to salvage some money?

Thanks!

submitted by /u/felolorocher
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[D] Unsupervised 3D Pose Estimation with Geometric Self-Supervision

Has anyone seen the paper arxiv.org/abs/1904.04812

I thought it is particularly interesting because it can generate 3d pose training only on 2d pose data. But how legit is this paper though? I find that their description of the geometric projections to be quite vague. How can they get 3d coordinates without knowing the parameters of the camera?

submitted by /u/idkname999
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[D] Representing “Time Series” with varying time interval?

Say I’ve got some data, each element has a time variable to it, and the data is ordered by ascending time.

This isn’t exactly a time series, as the interval between data items isn’t fixed. Data may be 1 minute apart, or say 5 minutes apart. It is, however, a sequence.

I want to use this data to predict a quantity every hour, by using the data from the previous hour.

How do I capture the temporal sequence aspect of this data? In a neural network. I’m thinking of using RNNs, but they need at least to have each sequence element to be a fixed time interval apart, no?

It wouldn’t make sense, as two consecutive cells could have inputs that are 1 millisecond apart, and others have inputs that are 5 minutes apart, in the same RNN.

Any help is very appreciated. Bugging me for days.

submitted by /u/temporal_templar
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[P] Generating new ml titles/ideas with GPT-2

Why come up with new ideas when GPT-2 can come up with them for you? (Not really, but some of these are kinda cool)

Website, Github

Some Examples:

  • On The Non-Parametric Power Of Logistic Regression For Smooth Events
  • Unifying Pac And Learning Mdps Using Influence Functions
  • Machine Learning To Plan And Downlink Using Intrinsic Motivation
  • Classifier Readiness Testing For Imbalanced Data
  • Fast And Scalable Bayesian Deep Learning With Limited Observations
  • A Comparison Of Deep Neural Networks And Adaptive Graph Neural Networks For Anomaly Detection
  • Distributed Deep Learning With Gossip Networks Using Bidirectional Lstm Sensors
  • Revisiting Reuse Of Super Categories
  • Anatomical Visual Exploration
  • Multimodal Social Learning With Active Interest Discovery

submitted by /u/csinva
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