Ankur Handa Profile picture
Aug 31, 2020 7 tweets 3 min read Read on X
Impressive and inspiring demos of brain implants in humans by BrainGate some time ago



braingate.org
paralyzed woman uses thoughts to sip coffee.

Kevin Warwick was brave enough to have an implant in his arm about 20 years ago and controlled a robot hand.

full video: Image
His Ted talk "Cyborgs: A Personal Story" is fun to watch

Baja Beach Club in Barcelona started offering chip implants to VIP customers for identification purposes around 2004. It didn't go well.

en.wikipedia.org/wiki/Baja_Beac…
playing pong via chip implant

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More from @ankurhandos

Dec 20, 2020
Some simulation platforms that caught my eye this year 🧵
ThreeDWorld: A Platform for Interactive Multi-Modal Physical Simulation

arxiv.org/abs/2007.04954

threedworld.org
Read 26 tweets
Dec 17, 2020
Transformers for point clouds arxiv.org/abs/2012.09164

They outperform all previous methods on semantic segmentation, shape classification and object part segmentation. Image
unlike transformers used in language and image based tasks, the positional encoding is also learned. Image
point transformer layer Image
Read 5 tweets
Nov 21, 2020
finally got around to reading this eccv20 best paper award winner work on optical flow that has interesting ideas: multi-scale 4D correlation volumes, learned-upsampling (using convex weights of lower res pixels), and iterative refinement of flow.

arxiv.org/abs/2003.12039
correlation volumes
upsampling module
Read 8 tweets
Sep 26, 2020
starting a thread of interesting python features / modules / libraries that I found over time 🧵
first up, joblib's memory. If you are reading a huge file Memory class helps you cache that on your disk during the first call. Successive calls load the data much faster. Assuming you didn't change both the function as well as the contents of the file.
Read 5 tweets
Sep 16, 2020
This is one of the finest lecture notes in computer vision by Svetlana Lazebnik. Highly recommended to everyone in CV. It mentions the origins, various historic perspectives and anecdotes in CV. Also talks about ethical and societal impacts of CV.

slazebni.cs.illinois.edu/spring20/ Image
How computer vision evolved over the decades. Image
Some of these issues may still be prevalent 😉 Image
Read 7 tweets
Sep 15, 2020
Some recent interesting work on hand tracking and pose estimation that I liked. Creating a thread 🧵
MEgATrack: Monochrome Egocentric Articulated Hand Tracking for Virtual Reality

research.fb.com/wp-content/upl…
The Phong Surface: Efficient 3D Model Fitting using Lifted Optimization

arxiv.org/abs/2007.04940
Read 10 tweets

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