HNHacker News
TopNewBestAskShowJobs

alexcnwy

785 karma · joined May 14, 2017

Co-founder / CTO AiSupervision (YC W22)

YC Badge: 0x0c51bf0090235f2604af81df021023a3d62aa4d3

E: alex [@@@] numberboost.com

L: linkedin.com/in/alxcnwy/

X: @alxcnwy

Consulting: www.numberboost.com

Here is a vid of one my talks on deep learning for computer vision: https://www.youtube.com/watch?v=X4Q6C915sUY

-----BEGIN PGP PUBLIC KEY BLOCK-----

xsDNBGUfNa8BDAC1U6epAyxNbnBiVVa/5xg/VqviJmBvAFw7IMuRTXXpmmnUdPehwFsZTIsVxOQs jSZgB58d7V7Ps0NyDbpThGdV6D/Rs9O0RQ7NzBhPWtgXMjL05CMzQQKwAQwYiOXoMmdIFx+dDs4Q sEuTwhN7ZVfq1wCwvKaGaIa9YNs+84NP9nC4+0i1mb3kY4YFwsRUuiX1UuKaSVkF47ZGAdm+QyCz 4r12/eiRlfyR4Tn2MoKTcWjWcpON0Jt2c6NZAmae1ofBQd11AdenItwMcIz/YB388I+WSUtXal6i Ou1kHfkZD0cVBnKWSxbbdkTvlJwOTROq1PqfUxoJ7lNDse9t4UqWSLnxcChAw7G6cusvemEfyUBs bpbehD756bwrQDD4bc1GX4wHG7iERDrraUHEado+D4hcZJeE3hQ+hLQLbVUkfIOo8QANu/nEc533 utazWsUdzPB9ZhNXGESBU6FD1Dq3T7F88GQwgLhMWpLyw2bVIrHE1K+VFlWKeeTuS6LUXDcAEQEA Ac0AwsD6BBMBCAAkBQJlHzWvAhsDBBUICQoHCwkIBwMCAQQWAwIBAh4BAheAAhkBAAoJEL0wgBjJ Evk4fY8MAKEwfG6n8MSCdH/PYJdZCorgFe3Si+5XUAKuRVzXpIihwz+imuaNqabSvKt3BwvAJ3WQ F7xbWCSveIeTKv893gv5kglFi0pxQhCd2kpWY96O/zKThXZGbBQG19/276M0V9PnubnO0EOpNzxi QYjnU4UxmH32mjwx42Xb+/44Ird1iBW6TU4oE87iugjqbMREvsuRerur/jViUhCCkAwohM4OWTP6 HvHj57KH01wcqWROyiTj2amdV+lpizzRyvF9cC68p5zakGG7tyJ7fQMXIhgV72hj37mMDSq/qcsB lB3PFjc8mu/9zKwWlVNhV3G+8fFZ+dTuNvdsP0v2XbLqrONMYFrbnH3lsG/SjTzP0Ea5Mt3Wq8JV UQvA70xlS7YaI8juAbTYLFmssNVDQ77G+gMVXiKxRtPNvH4sc6HOsemsDpA3Rl86iY5MGDexT/oH 3FxslNSHGCy77WPRe8HsipoWLiWRiHuQqc5afsMExtgnoUIpU6r3WPG5Be00Pg0dxs7AzQRlHzWv AQwAxdgbC3umULrQGh423QVZZh+vwv5k9K2c/67JzuErFo02ld+9+0B23xbulUSw9igz1udmBFtW sU8212O40TMDACOdxMljYhB99zVnoo1zW17wce+ZrR/F+Qgdc8cJ0mb+V66/0VFzdxgVMEwCKVS+ TweUhrDBwnxVAr+zTPvTBHohIq9S2Md4+r5fM5uhy67WQFJ+nYe8mVEVHhG7NETOCSqVx1WCF/vs +4d5aUTZ/A8OVZxiEe2PlxeWeH4FVYsQe7qAroM0nkawtSPMGcHPfsM3R49x2XEiKeSssyXNiypX mIc8Z2MiIt8Yu264C8BXllL9LVKLgoSdgs/zoDK0VoLthLh+PNrz/FUsU+lvQaPUVL9MywP4FWyt K/Y82ObuUDglLs74HsT1y7jPV0G2HqmHe9jkdvFsFe6pqIILoOEucMyvYsrTfwFlAHuYQxjjCcIm L95F+AZQLMoD0gyTKuIlOvfX65bWSNp+5msPmWHP98eFvwSWvwhYf8CfxpFtABEBAAHCwn4EGAEI AagFAmUfNbACGwzA3SAEGQEIAAYFAmUfNbAACgkQDnm6M0ernGu5qgwAw0Xss6TGEWIkuBKgTkpl aN3iKETevBhJ+wp7uPeUnEZZdUwIEnZI4Vy7yiRUmhxH5BF78xueE+qOdiHVGzeLeEUj/mg6y1Mf LL5peoyjZLWOULOUec5vLKpLtUKuWrIoaZmQjFoJerWDpyLb0j/OpdSf077hrvNtK+a7pCGl++GT IFqiPHIibrsC02zLy0Oc4PjJgHI02vGhJLoEnml3dbuG/QoE1RCsnKY52bjA9qrKklS4ymwURpN6 jODnCTjpJZv+6wEDbf+9ks8S+XUfQyl3B+s+6Wp9SdSjIMsewQWiZUAnro6s72PdoBDPu8KX4N5/ itJUkqfKRtJDgU8geKgbnqy5Gw1CnDfs2ER1GlNoFFdsgGeSzNTmu4hzrtS9JcemkmBsYnxNLMjD //RWR4xiS6mEeZtEHj5/+8p4UqIWHIn0mXDWxwpZx0vsgtceoGAtS+KPuZIGHJSBkhnBkIg48mq5 oHGABF3W8s78LQT1F6Wf+r1TNARxXhLKRAfVAAoJEL0wgBjJEvk4xhcL/iZTPV+/mu5N3VA5zqYc uzXt4Z599ki57YJ0/ciZIlbjXog2Sqso78pxEw3PfBffJznamyqbchUiarjR5CMCZbTPJ7vJVPoF pPAQCRLfAVop6Jdq3fyAQMURFkgpMwfmSzZ3Fri/4TP4DRCRAEjzvCchfbTGI1H8ifz3bAoAFlG/ b2ttZug0baKb2gzFfsG+XPr3JfXG/at+95M1wbO3Kiw2y8y5mct4xwRUnNnkuEdoswcgeIe+cvNm JS3mxUL8PdmOLY+Wk1+tGjbgBiiH+6HE/uSteXYPDFklq5AtJ4/62nddHiZ4uisK+Pxy8TnToCaV 7Wbg0V2l6nJPPBmWQqgMQtPMrD0Blr5FkVND/+4cBH8dB2a7yi/MmJqaydxlc7hrKR5dvnrIRNJg WG5gq0Vn5z4FLr1Crp4uu5ymUWF/mdxSa4hTL1kboRfrL0GTEKB8p42GgJJdr5evHlkFv/GEY/MS sKod3avN+QOFXfpvRxbXssHClpuFunAPU+QQisXEmARlHzWvAQwAtVOnqQMsTW5wYlVWv+cYP1ar 4iZgbwBcOyDLkU116Zpp1HT3ocBbGUyLFcTkLI0mYAefHe1ez7NDcg26U4RnVeg/0bPTtEUOzcwY T1rYFzIy9OQjM0ECsAEMGIjl6DJnSBcfnQ7OELBLk8ITe2VX6tcAsLymhmiGvWDbPvODT/ZwuPtI tZm95GOGBcLEVLol9VLimklZBeO2RgHZvkMgs+K9dv3okZX8keE59jKCk3Fo1nKTjdCbdnOjWQJm ntaHwUHddQHXpyLcDHCM/2Ad/PCPlklLV2peojrtZB35GQ9HFQZylksW23ZE75ScDk0TqtT6n1Ma Ce5TQ7HvbeFKlki58XAoQMOxunLrL3phH8lAbG6W3oQ++em8K0Aw+G3NRl+MBxu4hEQ662lBxGna Pg+IXGSXhN4UPoS0C21VJHyDqPEADbv5xHOd97rWs1rFHczwfWYTVxhEgVOhQ9Q6t0+xfPBkMIC4 TFqS8sNm1SKxxNSvlRZVinnk7kui1Fw3ABEBAAEAC/90T2K+QPDMAklIaiEpG10sU7YRbDhzOzHu I40weRVncMrtotGtCavlwHl+zzrlcOzqsDjag4ZLiFt8711TcRyvuDgnlUf43Eswqvf0/vqZdnPF Lgl+OPc2WpWdr0J5/MrPLTX0EqkPf2YbM2Q3xLvuQVeKBphyot264EQCT0Utp5CKt3TeN+3ccBJp 45L4Hid3A2GjQeU+p+Ala852Aq0Zdhm+GAR0TlciY+xABgpH9XkgBYKsduEhy+89ixK0VDrPe2yy eiUAkQjGoDISoi4NpgnkA5g6YntBLTtde4Fk6AvQeEjHWjqawKclDrtXeuFyKHmj1Nn3uqOHTImJ AJwFbab23dl2mEYeakcL8ihnpvuggcakAO1rgXRWVmibItjdPWw1uMo+ugXAwm8irW/vAQe5uLMH eLAD2lKci/gGp8/e2rcv1eTKjtfq+L4VH8BoNWmN6e38EBox1Fai5hRMtRtWOdlBSuCP5u2K+sg6 xfaCvm2opBDDdkQYQ3c/dIEGAOItRO0ezZV7Fy1zCXzKz5JGLHblm+2SdTSJKJBaJzt4OIWhOpKG jmWIAeOMk0hV55PNarieoX6aNwm9wnEtoB7hbp+fmq994hjzkm7/irtwWLH33d+XUNlmGjj3Pvua Ri0sSD5Uoa7gxfizekGN7xH3GeWUwEuOSHAi1E0RICfMH3KV5z5ezVpFbq+GtDxuFrOcXmEUh8k1 BL0XCyhIwUNlmBPGs5TdswB5ZfPpLcDTQoqTAQ4pKVfoOMoqYkENVwYAzTxyJ2iEZSUyc6J30BFA oWyBlUcJo5T2q23aWA2JZTMVYKNKNomoZsJ3F3G8wpDriFLFgEjwjp0CQpnPrt/MSd3SgiZkTP8L SBkK4yKemVsjb2fInHgrU334WUg1cLFaJ9zRf1qVJk6jo60rSmp81fsWNQpMK4OcU85j34uw8h5F dIQnUxcjRwVCQj5umWGYQrebF0qj1xLSCtA5D6pdzPZKZo+4aHU6ELPlW0Sm4T2braOXBsBkdRMk i0SpMPwhBgCY/5Hoj3z12zIOSqRMzrfzKbNJTqyz+8IHtWOm/6/RTlA1m9nR4l8dKWi/A0YRbZ1Q fhzPI8L4To3Ta2Rb1vPPPZF67biMZs/YVC3Vd6ZdaT3aXjswOtKaqNxYJsur37oCUSIPBmsGr7ys Itif0oO7dsJ3bwq4YErDSaiWjl9RmGsZpr0hPBHQ4snLyHRgmwPnr5IivIA0o83FFCM6xv1R3TOS PSG4XRH8D2MLrj5GU6oZDI4uXFNz1bUYesjOxK3RNs0AwsD3BBMBCAAhBQJlHzWvAhsDBBUICQoH CwkIBwMCAQQWAwIBAh4BAheAAAoJEL0wgBjJEvk4eo4L/2v0fEQxSdYwSHnuH9htH/EJZNadRnJc 6UjUv1Tg2XAxm3W5WWF9DCTufjnpEYGA0aT3fsYiAcBSqDUIe/r4d83K6BnmbzDHqnD+L03HRPIq xsmiP7u2mxoxnjxEjuzILQ9TemRNkcQwWqkRK7RNsJLcOdvMH1ydWRmYaDpKYsqd127b8qR6w7tx ro2JduFrV/LYEZt2anKUGZ0Q5aWPYHsmlM+8BuIoCjPewPOHgFLk9RFRLLuR9AlvMCU5tNToVJwr NM9m6yf4yKUAW2oVfPv0E79z9Lsu32B/dJAIweTeYxymRUDK+4/wya7BFdesUZ9TI5YMs4pSOaMx UZbcEIYs0Ji6BPR3q6Dnaon1rQxrulYRFEfUfb6XIOjCDSyLjI84chsU7asbeBpVy5ER9PxYhdaM gi06yK6KBzX/llSIc5sK9eQpyB0rAI3ffZfB5iOcgX+X1eREm0y3m46dI7nSXtgIUiIlGtLKf6yZ ALlQLXSqS+19rHL7aWuZ2I8BfcfEmARlHzWvAQwAxdgbC3umULrQGh423QVZZh+vwv5k9K2c/67J zuErFo02ld+9+0B23xbulUSw9igz1udmBFtWsU8212O40TMDACOdxMljYhB99zVnoo1zW17wce+Z rR/F+Qgdc8cJ0mb+V66/0VFzdxgVMEwCKVS+TweUhrDBwnxVAr+zTPvTBHohIq9S2Md4+r5fM5uh y67WQFJ+nYe8mVEVHhG7NETOCSqVx1WCF/vs+4d5aUTZ/A8OVZxiEe2PlxeWeH4FVYsQe7qAroM0 nkawtSPMGcHPfsM3R49x2XEiKeSssyXNiypXmIc8Z2MiIt8Yu264C8BXllL9LVKLgoSdgs/zoDK0 VoLthLh+PNrz/FUsU+lvQaPUVL9MywP4FWytK/Y82ObuUDglLs74HsT1y7jPV0G2HqmHe9jkdvFs Fe6pqIILoOEucMyvYsrTfwFlAHuYQxjjCcImL95F+AZQLMoD0gyTKuIlOvfX65bWSNp+5msPmWHP 98eFvwSWvwhYf8CfxpFtABEBAAEADACguxgFtTgCIDNO9LsHxv/BOv71AO4N5jpFcsAbZc02rhTp n/NdexrX1W6RMFRAN5sd/bJg2b/Nnxhj1m1g7/uBEm5rYF1wXwunWejPI/HTCod3WPvVrZmN3yzm UY7GM8xwedT2fiC7YYJdUXL0FxfhZrwgzNstYQtDh3Bom7Hs0je3UQ6SdUPxGdaIO+kva+Q+L4cT /iGXwUrRugAHz9o/kixK3EorqAz4sDBP+JLL94NixADcpc5hJtWlIGS/AZE91ufRKPjybrppgiGe HR7GliXYc4fgcXlPs/9uWgfDgf2biRDTQ73DFIAWqRh42WEvnUs0avIKgKdkoIOmUb0mZT5jGxXe 5BQDjrHm9RvAyuZ2nnZJVWDIgRKOR1azx0z7PGNL0qyEcJ0VydzLKjrzqFFJOdISRgPXUl76sQiF rM1sL4fWbgdogINwSAblnKg2sJuIapwN9IAFglNqrZXBfIIlYYYW1K/EUG/zpLxR6RzJnUXuo8d3 C0JEEsiSIRUGAOcNGH3OEdsogHsTcV4dp1bzcm4XA9TY4x2P3UNwS/XiEARj0TmlHi0J6Q7AjHk5 65KivwjSwWTfe7XOg6oVUoobbTTn9jXmveTac8rZfbxasvHfQqGiEPFEaxyWAjjhJEBIp7twHu2e bS2IcqKxsN/48d3K1M8eBriybqF7gkPghnxfcmRnYIcuZ6/7uSDO/FplHyl8Z19DTCVHbS5fEyck TQlllEPfnmEQqo1NZSzLfPWtzsS15Dw+A2kSLK6hSwYA2zUTQkcMSrHY4/snm1dlNy3FWL6361OD 2hM4xYDYymig1GfTw4rD7SD2Ni2OeKms0Y+tlRJPiOqMNpo+XvlFRqFW5Iro2BRg1Ag6I/2AM+oQ BEe0J5EKl52sMX63sGxVcCn20Rr8EJ40sdSXUj7bw/wSlBUTJpAurzLc5K+Ks4wu4YfrJRXGOSwK murvBs62ZmQb2BWBGr4StWPhEcURRyVLIgJL7GavFH+Td3TvB0mCw5Ws+iyWfC40pX4hI50nBf9E ZQHXYiL6eYpuCE3hor/955qw8HyvrNDK9YHI9sv77uEz4t+DvHbrIN/oPQ7wuE05cYBBdSrVe1LK Tnue9vY9FkDLSI9x2Igdii/DP7S+WST40xTr8xrHR2O8n+IdvXLgu99PsvP6OdKTxxVSnt4pvzh+ EX2r+CqxF8cwUYdrUJLFoEowBdhkTM9h41duWz7YvtPJ02f59GI5Ev6dT8UJRCWuj53TPwEh5hXO dF8rp+EJACx+yVUDksnovhT6VXniF8LCfgQYAQgBqAUCZR81sAIbDMDdIAQZAQgABgUCZR81sAAK CRAOebozR6uca7mqDADDReyzpMYRYiS4EqBOSmVo3eIoRN68GEn7Cnu495ScRll1TAgSdkjhXLvK JFSaHEfkEXvzG54T6o52IdUbN4t4RSP+aDrLUx8svml6jKNktY5Qs5R5zm8sqku1Qq5asihpmZCM Wgl6tYOnItvSP86l1J/TvuGu820r5rukIaX74ZMgWqI8ciJuuwLTbMvLQ5zg+MmAcjTa8aEkugSe aXd1u4b9CgTVEKycpjnZuMD2qsqSVLjKbBRGk3qM4OcJOOklm/7rAQNt/72SzxL5dR9DKXcH6z7p an1J1KMgyx7BBaJlQCeujqzvY92gEM+7wpfg3n+K0lSSp8pG0kOBTyB4qBuerLkbDUKcN+zYRHUa U2gUV2yAZ5LM1Oa7iHOu1L0lx6aSYGxifE0syMP/9FZHjGJLqYR5m0QePn/7ynhSohYcifSZcNbH ClnHS+yC1x6gYC1L4o+5kgYclIGSGcGQiDjyarmgcYAEXdbyzvwtBPUXpZ/6vVM0BHFeEspEB9UA CgkQvTCAGMkS+TjGFwv+JlM9X7+a7k3dUDnOphy7Ne3hnn32SLntgnT9yJkiVuNeiDZKqyjvynET Dc98F98nOdqbKptyFSJquNHkIwJltM8nu8lU+gWk8BAJEt8BWinol2rd/IBAxREWSCkzB+ZLNncW uL/hM/gNEJEASPO8JyF9tMYjUfyJ/PdsCgAWUb9va21m6DRtopvaDMV+wb5c+vcl9cb9q373kzXB s7cqLDbLzLmZy3jHBFSc2eS4R2izByB4h75y82YlLebFQvw92Y4tj5aTX60aNuAGKIf7ocT+5K15 dg8MWSWrkC0nj/rad10eJni6Kwr4/HLxOdOgJpXtZuDRXaXqck88GZZCqAxC08ysPQGWvkWRU0P/ 7hwEfx0HZrvKL8yYmprJ3GVzuGspHl2+eshE0mBYbmCrRWfnPgUuvUKuni67nKZRYX+Z3FJriFMv WRuhF+svQZMQoHynjYaAkl2vl68eWQW/8YRj8xKwqh3dq835A4Vd+m9HFteywcKWm4W6cA9T5BCK =Iwr2 -----END PGP PUBLIC KEY BLOCK-----

submissionscomments
alexcnwy··on Ask HN: Simplest stack to build web apps in 2021?
Flask.

Very lightweight without much black box magic.

Miguel Grinberg’s tutorials and book are a great and quick crash course.

alexcnwy··on Apple M1 Max Geekbench Score
Pro only supports 2 external displays which is why I ordered max
alexcnwy·
·on Create, train and run Scikit-learn and TensorFlow models in Excel
Looks interesting.

BTW you can hack together something similar with the excellent ExcelDNA C# library.

alexcnwy··on Australian Government Surveillance Bill Passed
“ Anyone required to assist with government hacking is protected from civil liability. However, anyone who refuses to comply can face up to 10 years’ imprisonment.”
alexcnwy··on I've been programming since I was 10, but I don't feel like a 'hacker'
do a hackathon

could be self-imposed like pick a project that you have no experience in and do it in a weekend (get something working even if it’s hacky)

you will feel like a hacker

alexcnwy··on How to spot a good fake ID
Very cool. Can you give some more detail on how you process the different images?
alexcnwy··on “I would buy a Mac today if I was not working at Microsoft” (2004)
Map caps lock to ESC using Karabiner

https://karabiner-elements.pqrs.org/

alexcnwy··on Tesseract OCR
Tesseract is mainly for documents and generally doesn’t work well on photos but you can try EasyOCR for photos.
alexcnwy··on Ask HN: What Are You Learning?
Jump rope - it’s great cardio and really fun.

It feels good to be a total beginner and then slowly learn different tricks/moves.

alexcnwy··on Ask HN: What Are You Learning?
How did you learn?
alexcnwy··on A Japanese company cut 80% of the time needed to manually count pearls
This is very cool, well done!

Are you using deep segmentation models or more traditional computer vision techniques?

alexcnwy··on Ask HN: Those who have taken extended time off, any advice?
No, getting away physically definitely has an impact that can’t be achieved without physically leaving.
alexcnwy··on Show HN: I wrote a book about UI [pdf]
Very helpful, thank you!
alexcnwy··on Ask HN: Favorite purchases of last two years?
I did the same a few years ago and it's had a huge impact for me too. I use the Microsoft Sculpt ergonomic keyboard and a gel mousepad with my magic trackpad and love it.
alexcnwy··on Principal Component Analysis Explained Visually
https://d3js.org/ & https://threejs.org/
alexcnwy··on Facebook Down?
Even the status page is down
alexcnwy··on The Y Combinator Experience – Remote Edition
Dresden is amazing - one of my favorite cities in the world.
alexcnwy··on 10 Years of Open-Source Visualization: Did I learn anything from D3.js?
I love D3.js

Here is my favorite example - try click the 4 buttons at the top:

https://archive.nytimes.com/www.nytimes.com/interactive/2012...

alexcnwy··on Central Bank Digital Currencies Are a Bad Idea
How are you “paying for a public wallet” when you hold BTC?
alexcnwy··on Building the Last Hedge Fund – Introducing Numerai Signals
This is super cool!

I've been following Numer.ai for a long time and always thought everyone modelling the same dataset would have diminishing returns so opening it up to submitting signals trained on any dataset is super interesting (and I'm sure will have a significant impact on their hedge fund performance)

alexcnwy··on The patent on SIFT expired yesterday
Didn’t, was just RND.
alexcnwy··on The Knapsack Problem Is All Around Us
Interestingly related to my favorite approach at a solution: genetic algorithms.

You don’t know if you’ve converged on THE solution but you can know you have a solution.

alexcnwy··on The patent on SIFT expired yesterday
SIFT works really well.

We use it for aligning input documents onto templates for OCR.

Super cool.

alexcnwy··on Draft of the Fast.ai Book
Totally. Jeremy changed my life.
alexcnwy··on I built a DIY license plate reader with a Raspberry Pi and machine learning
Not accurate. Deep approaches work better.
alexcnwy··on Smithsonian Releases 2.8M Images into Public Domain
Very cool
alexcnwy··on I built a DIY license plate reader with a Raspberry Pi and machine learning
Tesseract really baaaad imo
alexcnwy··on I built a DIY license plate reader with a Raspberry Pi and machine learning
Epic work, well done!

What FPS you getting out of it?

alexcnwy··on The Next Leap in Self-Driving: Prediction
I actually think humans playing a game on their phones is the solution to self-driving.

Check out www.sebenz.ai

alexcnwy··on Ex-YC partner Daniel Gross rethinks the accelerator
I sort of agree but Indiehackers does have loads of useful content especially the interviews with successful bootstrapped founders (who I agree aren’t really on the forums much)
← PreviousPage 2 of 10Next →