brain of mat kelcey...

out of distribution detection using focal loss

December 02, 2020 at 01:00 PM | categories: objax, jax, projects

a series of small experiments on using focal loss to do out of distribution detection

dithernet very slow movie player

October 21, 2020 at 10:30 PM | categories: gan, jax, projects, objax

a GAN experiment to generate dithers minimising pixel change between frames for a very slow movie player.

ensemble networks

September 17, 2020 at 06:30 AM | categories: objax, projects, ensemble_nets, jax

ensemble nets; using jax vmap to batch over not just the inputs of a model but also sets of multiple models parameters.

solving cartpole... by evolving the raw bytes of a 1.4KB tflite microcontroller serialised model

September 13, 2019 at 12:00 AM | categories: projects

evolving a controller for cartpole using an evolutionary algorithm that operates directly on the byte level of a serialised tf lite microcontroller model.

a half baked pix2pix experiment for road trip videos with teaching forcing

June 26, 2019 at 01:00 PM | categories: gan, projects

a half baked attempt to train a pix2pix model on dash cam videos from a roadtrip around the eastern state of the u.s.

pybullet grasping with time contrastive network embeddings

June 11, 2019 at 01:00 PM | categories: projects

an example of using time contrastive networks to learn embeddings for the pose of a kuka arm in a pybullet simulated grasping environment.

counting bees on a rasp pi with a conv net

May 17, 2018 at 12:30 PM | categories: projects

training a fully convolutional unet to count bees from a raspberry pi stuck to the side of a hive.


August 11, 2016 at 10:00 PM | categories: projects

one of the classic control problems of reinforcement learning is the cartpole; the oldest reference to which i can find is Barto, Sutton & Anderson's "Neuronlikw Adaptive Elements That Can Solve Difficult Learning Control Problems (1983)it's a simple...

learning to do laps with reinforcement learning and neural nets

February 13, 2016 at 10:00 PM | categories: projects

using reinforcement learning to train neural nets for driving a simulated robot around a track.

do all first links on wikipedia lead to philosophy?

August 13, 2011 at 03:00 PM | categories: projects

using hadoop and a wikipedia dump to test the hypothesis that all first links on pages eventually lead to philosophy.

popular posts...

ensemble nets : training ensembles as a single model using jax vmap (sept 2019)

bnn : counting bees with a rasp pi (may 2018)

drivebot : learning to do laps with reinforcement learning and neural nets (feb 2016)

wikipedia philosophy : do all first links on wikipedia lead to philosophy? (aug 2011)

cartpole++ : deep RL hacking with a complex 3d cart pole environment (aug 2016)

malmomo : deep RL hacking on minecraft with malmo (jan 2017)

some papers from my time at google research / brain...

my honours thesis

the co-evolution of cooperative behaviour (1997) evolving neural nets with genetic algorithms for communication problems.

old projects...