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Category: 'General'

TinEye

Wednesday, June 3rd, 2009

Tineye.com

Tineye.com

I almost didn’t want to share this site with others because it’s so great! I’ve been using it since the early beta and it went public sometime earlier this year. Tineye is a ‘reverse’ image search. So you feed it an image and then it finds that image on other sites. But, its even better, it will still work if the image is cropped, sized etc… I’ll let them describe it…

TinEye is a reverse image search engine. You can submit an image to TinEye to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution versions. TinEye is the first image search engine on the web to use image identification technology rather than keywords, metadata or watermarks.

They have indexed over 1billion images and I’m sure that number is going to grow rapidly.

Example: Here is an image of britney and all the other possible sources.

Uses:

Identification: Can’t figure out who someone is? Often with a few links to other areas, their name will be mentioned, or in the file name, or in the other images.
Validation: Is someone seem too good to be true on that dating site? Suspec that myspace profile is fake?
Copyright: Is someone using your image?
Quality: Need a larger source image for your wallpaper, print project, or artwork? Maybe you just want to see a larger/cleaner image from some blog post that has been reblogged so many times all you can see is the thumbnail.

Go check it out, it’s one of my favorite new sites of 2009.


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MP3 Player? With hacked macro lens.

MP3 Player? With hacked macro lens.

Over the years I’ve considered developing quite a few fun and interesting cell phone applications. Unfortunately, after developing some software to test and trying a dozen different cell phones some inherent physical limitations proved too large to overcome.

Most cell phones while having adequate resolution, are fixed focus lenses that can only focus about 2 feet away and farther. Much closer than that and the images become a fuzzy mess!

This totally destroys any hopes of some of the cool applications that can be made by barcode scanning products (e.g. price checks, order online) and scanning text (e.g business cards, subscription cards).

Imagine you walk in to a store in the mall and see something you like, but you’re not sure about the price. You scan it, and you phone opens google maps with all the nearby locations that have that product and the prices they charge. Things like this would be possible with the addition of a tiny bit of extra optical help…

Someday…


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Card Printing

Thursday, April 23rd, 2009

4up_full1

4up_med

Zoomed in you can see the half tone patterns.

Zoomed in you can see the half tone patterns.

So full reinstall on the server, there were some broken things and wordpress got hacked (yet again) but I think we have it secure for the moment. Meanwhile I made some new business cards and wanted to share.

My friend Jonah had mentioned to me he used Gotprint.comto make some business cards and the quality was pretty decent. Having seen ‘digital’ printing in the past (I have a DTP background) I was a little skeptical, but realized it has been 6-7 years since I’ve tried anything and it has to be better right?

The answer is YES!

The Gotprint.com cards I had made for a paltry $20 are pretty decent! If I were to review them overall they would get the following grades:

A • Convenience
A • Price
A • Cardstock quality
B • Printing quality
B • Diecut quality
B • Speed (unless you pay extra)

Here are some samples from past cards I’ve made. Including some expensive high quality offset cards from around 2000, some medium quality offset (same year), an inkjet print from home and the Gotprint.com cards.

The high quality offset wins hands down, but they are expensive and take a lot more effort to find the right printer. The regular offset are still a hair better than the digital print in line quality but in absolute resolution the digitals are slightly better. So halftones will be smoother but the white lines are a little less solid. The inkjet has a great continuous tone look, but it sacrifices resolution as the same bleed that allows the smooth tones blurs out the sharp edges. I included it merely for comparison the paper quality can’t compare to real cards and cutting them also is an issue.


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10.4-10.5.6 Updates Graph
10.4-10.5.6 Updates Graph

You might want to hold off on the unless you’re already experiencing problems like some new MBP users are. My latest not-so-scientific numbers show its a risky bet.

Check out my older post on the topic

The graph is basically the number of positive to negative comments made on MacRumors.com.

10.5.6 Update
10.5.6 Update

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Mazda Key Disassembly

Monday, October 6th, 2008
Mazda Key
Mazda Key

The Volkswagen Key Disassembly continues to be one of the more trafficked pages on my site so I figured I would commit one more selfless act of community service and bring you the all-new Mazda Key Disassembly page. This particular key is from a 2006 MX-5 (aka. 3rd Gen. Miata, or Miata NC), bit will probably work just the same as many similar keys. I’m not even sure if what Mazda might charge for this, but I’m sure its more than the $1-2 cost to replace the battery and 5 minutes of your time. It could also be useful to replace the keychain link or clean the contacts.

Enjoy…


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HTPC Gone Wild

Wednesday, September 3rd, 2008
HTPC Setup
HTPC Setup

So I thought it might be a bright idea to illustrate what has to be one of the more over complicated HTPC (Home Theatre PC aka. PVR, Tivo thing, etc…) setups ever, mine… Ok, probably not, I’m sure plenty of people have crazier setups. But, it does surprise me how reliable it has been, even with so many computers involved. So how does it work? Magic! Ok, maybe not but something like this…

SageTV controls most of it. But, after trying numerous 1394 (a.k.a. FireWire) cards I never managed to get Windows XP, the Scientific-Atlanta SA-3250HD STB, and Charter Cable’s crappy signal to get along. Magically (Apple did create the standard for 1394) it just works without anything special on a Mac. So, FireWire is plugged in to the Mac, Sage TV controls it, all HD and digital channels go through the Mac and get recorded to the main media server/raid as raw MPEG-2 TS (transport streams). SD signals get recorded directly to the RAID through a Hauppauge PVR150 in the Windows box. All channels SD and HD are controlled through the 1394 (no infrared blaster silliness).

The great thing about this set is you get pure digital recording and playback all the way to the display. Digital cable -> Firewire digital files -> HDMI TV. The only other systems that work like this are DirectTV TiVo, some dedicated cable/sat. company PVR’s and Cable Card based systems. Unfortunately, after many years of unencrypted goodness, earlier this year Charter turned on 5C encryption on all HD pay channels. Note 5C is the digital encryption for the HDMI not the encryption that protects which channels you get which I believe is DigiCipher 2.

So what does the future hold? FIOS TV and the Hauppauge HD PVR Model 1212 likely. Unfortunately, this may mean losing pure digital recording/playback. But, I would regain recording of all HD channels.

The future is more likely the Internet and Bit Torrent. It’s really too bad for the studios that downloading bit torrent TV shows are often higher quality, more convenient and let you build collections as compared to the ‘legitimate’ offerings (Hulu, NBC online etc… and even recording SD/HD TV from cable/sat). But, this is a rant for another time…

Update: For completeness I added my parents Mac Mini to the full diagram (click the image), it runs Front Row Apple’s not so good PVR software, its slow over the Internet, but I believe that might be something about Samba. She can watch movies via the remote mount to my RAID and I put aliases in her Movies folder in her home directory.


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Fun with security tags

Monday, July 28th, 2008

Tag
Tag
Warning!
Warning!
Connected
Connected
Disconnected
Disconnected

So have you ever purchased something or received a gift with security tag still attached? Quite annoying… well most of the tags were designed in the days where before rare earth neodymium magnets became so popular. They normally use powerful electro-magnets to disconnect these sorts of tags. Internally they are simply a spring loaded clamp that dis-engages with a strong magnetic force. If you don’t disconnect the clamp it will pull a metal pin that when pulled out breaks the two different glass die packs designed to stain whatever you disconnect.

So it took not 1, not 2, not 3, but 4 or more of these strong magnets before it came apart easily. Anyway, much easier and safer than trying to Dremel it apart and much more immediate gratification than having to wait for the store to open, driving back and having them remove it.

Oh and be good, this is not for you bad guys out there!


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Screensharing Silliness

Friday, July 18th, 2008
Loopy Screensharing
Loopy Screensharing

So if you ever wondered what happens if you screenshare in a loop, here is a nice fun picture =)


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Aspect Ratios
Aspect Ratios

People will argue until the end of time whether or not widescreen is better than traditional 4:3 monitors. Personally, I believe most webpages and most documents are much taller vertically than they are wide. So you want the most vertical space possible. I’ve heard the argument that with widescreen you can have two vertical documents simultaneously. But, nothing prevents you from having to vertical documents with even more vertical space on non-widescreen monitor. 1600 wide is really no different than 1680 wide when viewing two documents at once.

So at the end of the day, what really matters is how many pixels get on screen and for any user who’s been around since the days of CRTs, for the most part widescreen has been a big downgrade not an upgrade. If you are buying a monitor for the first time in today’s market I can see how widescreen would not seem like a downgrade. But since most CRT users came from using either 1280×1024 or 1600×1200 the equivalent widescreen models have been downgrades.

Historical Upgrade path:
Resolution Pixels


640×480 307200
800×600 480000
1024×768 786432
1280×1024 1310720
1600×1200 1920000
Widescreen upgrade path:
Resolution Pixels


1280×800 1024000
1440×900 1296000
1400×1050 1470000
1680×1050 1764000

I would argue that most users who had CRTs at 1280×1024 looking to upgrade to a LCD would have preferred 1600×1200 rather than 1680×1050. Unfortunately, widescreen monitors were much cheaper in comparison. Only recently in the last couple years have 1980×1200 become available at consumer prices. So I would argue that for the most part widescreen monitors have been downgrades rather than upgrades for anyone who has had a high-resolution CRT.

More recently 1920×1200 models have come out and they are still pretty pricey, some examples of very high rez monitors…

Todays higher resolutions:
Resolution Pixels


1920×1200 2304000
2560×1600 4096000

For me, when it comes down to it, maximum pixels on the screen means more to me than anything else. So 1.92MP is better than 1.76MP any day of the week, so i’ll be sticking with 1600×1200 until I decide to upgrade to a 1920×1200 model.


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RX-7 FD Battery Update

Tuesday, July 8th, 2008
Deka EXT18L
Deka EXT18L
 Gratuitous RX-7 pic I took
Gratuitous RX-7 pic I took

So i’ve thought about putting in a light weight battery for awhile now and earlier this year my old battery finally gave up the ghost, so I decided to try a light weight sealed AGM racing battery. I was a bit worried about whether or not he would become problematic, so I went not with the smallest possible battery but with something just ever so slightly larger. I’ve heard of people often using the Deka EXT14 (I’ve read these are the exact battery the more pricy racing brand Braille uses) which is a 200CCA 12lbs battery. I’ve also heard that if you don’t start on the first or second try it may not work. I’ve also heard that if you let your car sit for a too long it can be a problem. So I went for the EXT18L which is a 300CCA 18lbs battery. 33% bigger and more weight seemed totally reasonable to me. After removing the original battery tray and battery I saved 22lbs! Nice savings for a mere ~$80 battery which I picked up at Battery Power Inc. (818) 896-6455 (sylmar/burbank area of LA). Installation was 3 very large heavy duty zip ties.

So 6 months later? NO PROBLEMS at all… I’ve allowed my car to sit for seven days and it had no problem starting up and I’ve also had no problems turning it over multiple times. Actually, compared to my old battery which was way past due to be replaced its been a large improvement in the available power.

The only downside in going with a battery this size is that you don’t want to leave your car keyed on with the engine off for long periods of time. Also, note you’ll need some screw on battery posts. Here is a link with some pictures, links and discussion.


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