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vgr's profile
Venkatesh Rao
Venkatesh Rao
Venkatesh Rao
@vgr

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Venkatesh Rao

@vgr

Conversational account. For work follow @ribbonfarm, @breaking_smart, @artofgig. Tweets are 90% vacuous views, apathetically held. Mediocritopian. IKEA builder.

Los Angeles, CA
venkateshrao.com
Joined August 2007

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    1. Venkatesh Rao‏ @vgr Nov 26
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      Here's one that's got weirdly complex: simply reading a book. Fiction on Kindle is easiest. Just kindle by the bedside, with charger. Read a bit every night. Non-fiction that I want to live tweet? Add the phone to the loop. Paper books? Just awful. Photos of pages 🤬

      2 replies 0 retweets 9 likes
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    2. Venkatesh Rao‏ @vgr Nov 26
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      I should call iteration assemblages "object circuits" or even better "widget circuits" since that would apply to digital as well. Widget circuits!

      1 reply 0 retweets 2 likes
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    3. Venkatesh Rao‏ @vgr Nov 26
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      Widget circuit engineering is an object-level (widget level?) meta-cognition skill in its own right, and really hard to acquire. It might be the "learning to learn" skill.

      1 reply 1 retweet 3 likes
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    4. Venkatesh Rao‏ @vgr Nov 26
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      Failure to appreciate the complexity of it is I think what leads people to gadget-happy shopping spree. The hope is that by just building a completist collection of everything associated with a skill, the learning loop will magically take off. It doesn't.

      1 reply 0 retweets 6 likes
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    5. Venkatesh Rao‏ @vgr Nov 26
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      You have to wire these things up into a proper widget circuit to sustain the REPL that needs bootstrapping.

      1 reply 1 retweet 2 likes
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    6. Venkatesh Rao‏ @vgr Nov 26
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      Aka Homer Simpson barbecue pit syndrome. Many of my learning projects are in this condition. All the parts are there. Just not in the right arrangement, and possibly irreversibly screwed up.pic.twitter.com/R0xFfskucT

      2 replies 0 retweets 8 likes
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    7. Venkatesh Rao‏ @vgr Nov 26
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      I'm pretty proud of myself for pulling together what for me is a pretty massive widget circuit for astrophotography: 1. Telescope 2. Camera adapter 3. SLR (advanced use) 4. Phone adapter Ran aground when trying to add stacking software to the loop: Macs have crappy options

      2 replies 0 retweets 3 likes
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    8. Venkatesh Rao‏ @vgr Nov 26
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      To level up, I have to either find software that works properly on Mac, or learn painful manual stacking on photoshop, or somehow run a Windows thing in an emulator. That defeated me. I'll get to it eventually.

      2 replies 0 retweets 3 likes
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    9. Artem Litvinovich‏ @theartlav Nov 26
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      Replying to @vgr

      Hm, stacking software does not sound that hard to make, and i do have a mac build chaing more or less working.

      1 reply 0 retweets 0 likes
    10. Venkatesh Rao‏ @vgr Nov 26
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      Replying to @theartlav

      Only one I tried is Lynkeos and that seems to have broken due to lack of maintenance. At least it didn't work on my image set. There's a couple of paid apps I'm considering trying next. Here's the list of options I'm looking athttps://nightskypix.com/astrophotography-stacking-software/ …

      1 reply 0 retweets 0 likes
      Venkatesh Rao‏ @vgr Nov 26
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      Replying to @vgr @theartlav

      How do you solve the image registration problem? Least-squares on the pixel matrix or something?

      2:20 PM - 26 Nov 2020
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        1. Artem Litvinovich‏ @theartlav Nov 27
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          Replying to @vgr

          For mapping i do small blurry image approximation like that, followed by feature match refining. For astro photos this might be tricky, since features would tend to be all the same (stars). This might be harder than i expected.

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