Search found 42 matches

by billyswong
Tue Oct 03, 2017 4:47 pm UTC
Forum: Science
Topic: Why is there red on both sides of digital rainbow images?
Replies: 25
Views: 5873

Re: Why is there red on both sides of digital rainbow images?

Searching from Google for the tricolor eye cones response curve graph, there are indeed quite a number of them in various sites which serve the purpose but they somehow differ subtly. :? https://www.unm.edu/~toolson/human_cone_action_spectra.gif http://webvision.med.utah.edu/gifswv/GourasFig%2014.gif
by billyswong
Mon Oct 02, 2017 4:30 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1882: "Color Models"
Replies: 81
Views: 14167

Re: 1882: "Color Models"

BTW, I found that ProPhoto RGB is a stupid color space that should not have existed or become this popular. It is not fitting any particular film or digital sensor parameters (else it would have been good for doing white balance stuff). It is not fitting all encodable color to real color (else it wo...
by billyswong
Mon Oct 02, 2017 4:10 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1882: "Color Models"
Replies: 81
Views: 14167

Re: 1882: "Color Models"

Speaking of gamma, I have nothing against gamma curve itself. A 16-bit per channel image file will want to encode things in linear gamma and the gamma of course ought to be written within the file. The main problem with "linear gamma" is that linear operations on linearly encoded light in...
by billyswong
Sat Sep 30, 2017 6:25 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1882: "Color Models"
Replies: 81
Views: 14167

Re: 1882: "Color Models"

Aha Xanthir we are getting on the same page nearly now. Where is the amazing monitor that can handle both right, traditional desktop defined in virtual sRGB and wide-gamut HDR files, simultaneously? When you wrote "this isn't the fault of color spaces", it is similar to marxists saying &q...
by billyswong
Thu Sep 28, 2017 1:46 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1882: "Color Models"
Replies: 81
Views: 14167

Re: 1882: "Color Models"

Aha Xanthir we are getting on the same page nearly now. Where is the amazing monitor that can handle both right, traditional desktop defined in virtual sRGB and wide-gamut HDR files, simultaneously? When you wrote "this isn't the fault of color spaces", it is similar to marxists saying &qu...
by billyswong
Wed Sep 27, 2017 6:15 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1882: "Color Models"
Replies: 81
Views: 14167

Re: 1882: "Color Models"

Jumping to browsers for a moment, it's actually CSS that says everything is sRGB by default. spec Images are meant to respect their embedded profile if specified; otherwise we assume the colors are in sRGB. J is right in all the details - color management has been such a shitshow for so long that p...
by billyswong
Sat Sep 23, 2017 4:04 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1883: Supervillain Plan
Replies: 60
Views: 10305

Re: 1883: Supervillain Plan

Let the noon be noon. Schedule may be adjusted according to when the sun rise but time itself should not. Is that any way to run a railroad? Move the office hour, move the school hour, don't move the clock. I have never seen an argument promoting DST madness that can't be solved by issuing 2 sets o...
by billyswong
Sat Sep 23, 2017 3:04 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1882: "Color Models"
Replies: 81
Views: 14167

Re: 1882: "Color Models"

I am a against-color-profiles camp person. They are somewhat fine for screen calibration maybe but I am against attaching color profile to video/image files unless the image file is going into print and not for any other purpose. Just like dictating one single device-pixel-perfect web layout is wro...
by billyswong
Fri Sep 22, 2017 6:36 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1883: Supervillain Plan
Replies: 60
Views: 10305

Re: 1883: Supervillain Plan

*groan* I'll probably never live to see a year go by without hearing some badly-thought-out DST hating. One day, I'm sure the DST-o-phobes will get their way, or even the one-time-zone-to-rule-them-all crazies, and then I can sit back and enjoy the spectacle of millions of people trying to negotiat...
by billyswong
Fri Sep 22, 2017 5:51 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1883: Supervillain Plan
Replies: 60
Views: 10305

Re: 1883: Supervillain Plan

As for Daylight Savings Time, no, it really doesn't serve the purpose people thought it would, and it's become sort of arbitrary, and I don't give a damn at all because I like that the sun sets really late in the summer. As do lots of people, I expect. Sure, but you can have "local time is rou...
by billyswong
Thu Sep 21, 2017 5:05 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1882: "Color Models"
Replies: 81
Views: 14167

Re: 1882: "Color Models"

I am a against-color-profiles camp person. They are somewhat fine for screen calibration maybe but I am against attaching color profile to video/image files unless the image file is going into print and not for any other purpose. Just like dictating one single device-pixel-perfect web layout is wron...
by billyswong
Wed Oct 14, 2015 5:19 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1590: "The Source"
Replies: 70
Views: 13748

Re: 1590: "The Source"

The comic strip strongly reminds me of the submachine flash game series. To be specific, Submachine 2.
by billyswong
Thu Aug 20, 2015 12:27 pm UTC
Forum: Science
Topic: Use of 20km tall "space elevator"?
Replies: 69
Views: 10569

Re: Use of 20km tall "space elevator"?

Guys guys guys, I think we’re all overlooking the real problem with this design. Once they start actually building the tower, then all of a sudden people will be scattered across the entire world and speak all sorts of mutually-unintelligible languages. I mean, can you imagine ? So, English will be...
by billyswong
Wed Aug 19, 2015 12:26 pm UTC
Forum: Science
Topic: Use of 20km tall "space elevator"?
Replies: 69
Views: 10569

Use of 20km tall "space elevator"?

A company showed a plan of building a "space elevator" that's 20km tall. http://news.nationalpost.com/news/canada/five-things-about-canadas-space-elevator-and-what-you-might-pass-while-going-to-the-top https://nationalpostcom.files.wordpress.com/2015/08/space-elevator.jpg The company said ...
by billyswong
Mon Jul 20, 2015 12:39 am UTC
Forum: News & Articles
Topic: Court ruled a woman's breast assualted a police's arm
Replies: 10
Views: 5712

Re: Court ruled a woman's breast assualted a police's arm

The photo I posted is from a local newspaper, which is not in English. Thus I didn't link that. And I guess the "Indecent assault" ("fei-lai") wordings is before nosebleed happened. Here's a video on that day's incident: https://www.facebook.com/mm.dbchk/videos/756803181100007/
by billyswong
Sun Jul 19, 2015 2:16 am UTC
Forum: News & Articles
Topic: Court ruled a woman's breast assualted a police's arm
Replies: 10
Views: 5712

Re: Court ruled a woman's breast assualted a police's arm

I'm not saying she isn't the victim, but the story sounds exaggerated. Basically the judge said she lied about the sexual assault, and that she was actually in the wrong. Nothing about assault. The news said "the magistrate ... finding her guilty of using her breast to bump the officer’s arm&q...
by billyswong
Sat Jul 18, 2015 12:46 am UTC
Forum: News & Articles
Topic: Court ruled a woman's breast assualted a police's arm
Replies: 10
Views: 5712

Court ruled a woman's breast assualted a police's arm

http://time.com/3962142/hong-kong-woman-police-breast-assault/ "A court in Hong Kong convicted 30-year-old Ng Lai-ying Thursday of assaulting a police officer by hitting him with her breast during a protest on March 1." http://vignette3.wikia.nocookie.net/evchk/images/e/ea/11017849_101532...
by billyswong
Sat Jun 27, 2015 2:46 am UTC
Forum: General
Topic: Help our facebook friends
Replies: 1
Views: 1948

Help our facebook friends

Many knows facebook has a stupid "real name policy", and many fall victim to it. One crazy example is not believing one's name is real. http://www.theguardian.com/technology/2015/feb/16/facebook-real-name-policy-suspends-native-americans Recently, many politically active facebook friends i...
by billyswong
Tue Jun 23, 2015 3:24 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1541: "Voice"
Replies: 54
Views: 13490

Re: 1541: "Voice"

Strange that still nobody mention/remember this: http://animorphs.wikia.com/wiki/Yeerk Someone did: Have to keep me away from Kandrona rays for three days? Also, I was totally going to post something animorphs related, but I couldn't figure out a catchy way to do it before showsni did. Oh, missed t...
by billyswong
Tue Jun 23, 2015 2:25 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1541: "Voice"
Replies: 54
Views: 13490

Re: 1541: "Voice"

Strange that still nobody mention/remember this:
http://animorphs.wikia.com/wiki/Yeerk
by billyswong
Sat Jun 06, 2015 6:16 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1534: "Beer"
Replies: 249
Views: 61047

Re: 1534: "Beer"

For me, the problem with most non-alcoholic drinks is sweetness (I agree with Quercus). I wish there were more savoury/bitter soft drinks available. The closest I've got is tomato juice, but it's quite heavy and you can't drink more than a couple. The alcohol-free beers are getting better: I wish a...
by billyswong
Tue Feb 24, 2015 5:55 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1489: "Fundamental Forces"
Replies: 93
Views: 27346

Re: 1489: "Fundamental Forces"

I start to think that "weak force" and "electromagnetic force" mingle together in "high energy" is an side-effect of "buffer overflow"/"integer overflow", assuming our world is like the one in http://xkcd.com/505/
by billyswong
Thu Apr 11, 2013 9:29 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1197: "All Adobe Updates"
Replies: 86
Views: 25719

Re: 1197: "All Adobe Updates"

The most crazy thing of java update is: it asks my mum and dad permission just for checking if there are updates! Ask me only when there are really an update available please :x
by billyswong
Sun Sep 30, 2012 11:41 am UTC
Forum: Gaming
Topic: Go, and the rule of it.
Replies: 11
Views: 2342

Re: Go, and the rule of it.

notzeb wrote:Suddenly I doubt that you have ever actually played go...

why that doubt :cry:

Albeit an amateur, my Go skill is definitely okay!
by billyswong
Fri Sep 28, 2012 5:09 am UTC
Forum: Gaming
Topic: Go, and the rule of it.
Replies: 11
Views: 2342

Re: Go, and the rule of it.

In order to make this game look like go, you need to add one more rule: 6. Instead of placing a piece, a player may return a piece he had previously captured to his opponent. (Additionally, the players keep track of captured enemy pieces.) This way players get one free move at the end of the game (...
by billyswong
Fri Sep 28, 2012 3:13 am UTC
Forum: Gaming
Topic: Go, and the rule of it.
Replies: 11
Views: 2342

Re: Go, and the rule of it.

There's already a go thread. :) http://forums.xkcd.com/viewtopic.php?f=21&t=8061 And they are in different theme more of a social room. :) The main problem is that you can't suicide a single stone (though note that this is only because of the no repeated states rule, so you can suicide multiple...
by billyswong
Thu Sep 27, 2012 4:00 pm UTC
Forum: Gaming
Topic: Go, and the rule of it.
Replies: 11
Views: 2342

Go, and the rule of it.

Inspired by comic 1112 "Think Logically", I posted in its discussion thread the following Go is one of the deepest open-information zero-sum game, if not the deepest. Its rule, if described well, is the shortest in its reign. 0.1. Prepare a square board with a grid on it. The standard grid...
by billyswong
Tue Sep 25, 2012 5:11 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1112: "Think Logically"
Replies: 205
Views: 41684

Re: 1112: "Think Logically"

5. The game ends when one of the players resigns. When shall one resign is subjected to consensus. One must resign when they has no valid "move" to play. What? That's not correct at all. I can have no "valid" move (because of board recursion) and yet still win. I can "pass&...
by billyswong
Tue Sep 25, 2012 12:05 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1112: "Think Logically"
Replies: 205
Views: 41684

Re: 1112: "Think Logically"

Chess is really poorly designed, though. You achieve objectively much greater complexity with a much smaller ruleset with games like Go. It significantly (if not as heavily as something like Dominion) favors the first player. Some of the rules are insanely counterintuitive, like castling or promoti...
by billyswong
Wed Jul 11, 2012 2:22 pm UTC
Forum: Religious Wars
Topic: XML vs... sanity?
Replies: 13
Views: 19687

Re: XML vs... sanity?

KnightExemplar mentioned JSON. Seeing that, I tried a direct conversion from OP's xml into JSON: [ { "note":{ "pitch":{ "step":"C", "octave":3 }, "duration":12, "type":"eighth" } }, { "note":{ "chord"...
by billyswong
Mon Jun 04, 2012 4:20 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1063: "Kill Hitler"
Replies: 278
Views: 68773

Re: 1063: "Kill Hitler"

Why no mention of Asimov's "The End of Eternity"? It was the greatest novel of time travel! My pet theory on BHG: If he changed the history too much, he would not be able to come back and see his friend waiting for him. So out of the many-world path, the only path that have BHG come back o...
by billyswong
Fri Jun 01, 2012 1:55 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1061: "EST"
Replies: 128
Views: 44672

Re: 1061: "EST"

Incidentally the chinese calender has 7 days, the last of which translates quite literally to Sunday. It's Interesting that (according to Google Translate) Chinese has "Sun-day" but the other days are just numbered 星期一 ("weekday 1") to 星期六 ("weekday 6"). In Japanese al...
by billyswong
Thu Feb 02, 2012 2:19 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1011: "Baby Names by Frank Zappa"
Replies: 302
Views: 81549

Re: 1011: "Baby Names"

Maybe because I am not native speaker of English nor any European language (My mother tongue is Cantonese, and I live in a Han characters world), I have absolutely no idea what's wrong with Renesmee...

Can anybody here tell me what so wrong/funny is it?
by billyswong
Wed Jan 18, 2012 10:23 am UTC
Forum: Individual XKCD Comic Threads
Topic: 1005: "SOPA"
Replies: 128
Views: 66207

Re: 1005: "SOPA"

Love the black hat guy speaking behind the background, which I didn't notice until standing up.
by billyswong
Wed Dec 14, 2011 9:30 am UTC
Forum: Serious Business
Topic: Democracy and AI
Replies: 27
Views: 4821

Re: Democracy and AI

Side note: can just a program be a full AI? I think a full-fledged sentient being would need to be embodied (so the AI is the whole of a robot with a program (or multiple)). If I'm right about that the copying discussion becomes somewhat moot. Alternatively we may consider programs that have a virt...
by billyswong
Mon Oct 17, 2011 1:03 am UTC
Forum: Serious Business
Topic: The Assumptions of Searle’s Chinese Room Thought Experiment
Replies: 349
Views: 43596

Re: The Assumptions of Searle’s Chinese Room Thought Experim

Some further elaboration: If the human operator is allowed to drop notes, then nothing prevents the rulebook instructing him to write macros, or even complete programs on the paper. The rulebook could then tell the human operator to act as an interpreter of those program codes. The "human opera...
by billyswong
Mon Oct 17, 2011 12:57 am UTC
Forum: Serious Business
Topic: The Assumptions of Searle’s Chinese Room Thought Experiment
Replies: 349
Views: 43596

Re: The Assumptions of Searle’s Chinese Room Thought Experim

This topic reminds me of what I thought when I first heard the Chinese Room story. It is just SOOO wrong. The error is fallacy of composition. Yeah, the "human operator" may not understand Chinese, but the whole system *could* understand Chinese. Just like nobody would say an individual b...
by billyswong
Sun Oct 16, 2011 1:38 pm UTC
Forum: Serious Business
Topic: The Assumptions of Searle’s Chinese Room Thought Experiment
Replies: 349
Views: 43596

Re: The Assumptions of Searle’s Chinese Room Thought Experim

This topic reminds me of what I thought when I first heard the Chinese Room story. It is just SOOO wrong. The error is fallacy of composition. Yeah, the "human operator" may not understand Chinese, but the whole system *could* understand Chinese. Just like nobody would say an individual br...
by billyswong
Mon Aug 22, 2011 12:49 pm UTC
Forum: Serious Business
Topic: Definition of Free Will
Replies: 728
Views: 152176

Re: Definition of Free Will

It's clear that we don't have free will if free will is naively defined as something non-deterministic yet nonrandom. Where's your clarity come from? Why is such kind of definition naive? I don't understand that. For me, free will, if exist, has to be something non-deterministic yet nonrandom, quit...
by billyswong
Fri Jul 30, 2010 5:00 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0773: "University Website"
Replies: 177
Views: 39182

Re: "University Website" discussion (#773)

Oh just today I am cursing the new portal system opened this year in my university which "merge everything students need into one system". The new course registration system is fairly inconvenient. I have never thought they could done something worse than what we have in the past. Browsing...

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