Talk:ShotCode

The ShotCode image in this article does not direct to the article as the image info suggests.

--67.160.66.72 (talk) 18:18, 11 March 2008 (UTC)[reply]

Some questions should be answered in this article (todo list for me)

Is basic idea behind those codes free? So is they protected in some way or can you make your own reader/creator program. SpotCode specks were public in their website before tech was sold to OP3 and it is also detailed in their publications.
What is relation between TRIPCode and SpotCode developer people? were they in same research or something, my guess was that SpotCode is next version of TRIPCode but it is just guess.
Pics of tripcode/spotcode/shotcode
basic explanation of how they are read

Zache 07:28, 12 April 2006 (UTC)[reply]

NB. It is shot not spot. Throw in:

What is the relation between ShotCode and Semacode? The answer may be: Semacode is an open standard, ShotCode is a proprietary Sony-Ericsson standard. (That is just my guess.) -- RHaworth 09:50, 12 April 2006 (UTC)[reply]

--Zrski 10:49, 20 April 2006 (UTC)[reply]

I'm the founder of OP3 who bought the SpotCode technology from HEM. The article is correct, thanks for covering it on Wikipedia. Here are some answers to your questions.

ShotCodes are not an open standard (we're not only for Sony-Ericsson though, we have Symbian, java & pocketPC versions), you can however use ShotCode for free and unlimited as long as you do so in a non-commercial fashion.
As far as I know the SpotCode developers were friends with the TRIPCode developers and used the TRIPCode paper for inspiration. I'm not 100% sure about this though.
SpotCode and ShotCode are the same thing, you can make your own ShotCodes for free on ShotCode.com and you're free to place them on wikipedia for information purpases.
I'll ask one of our developers to give feedback on the basic explanation on how they are read.

Some extra ShotCode stats:

Currently the ShotCode reader has been downloaded over 65.000 times
Over 30.000 ShotCodes have been created
ShotCode readers have been developed and tested for 68 different mobile phone models
On http://www.getjar.com/products/3458/GetJarOneShotDownloader ShotCode is rated as an 8.28 out of 10 based on 41 votes.

Wikified Slightly

I started wikifying this page, please link anything else you see necessary TehKewl1 03:25, 13 August 2006 (UTC)[reply]

I rewrote the lead, it should be pretty good now. --james^(talk) 06:12, 17 August 2006 (UTC)[reply]

"Because of the circular design, it is also possible for software to detect the angle from which the barcode is read"

Can someone add technical details supporting this? It is VERY easy to detect the angle from a regular 1D or 2D barcode... i find it odd that figuring out an angle using a circular coordinate system is easier or even worth mentioning. —Preceding unsigned comment added by 132.235.16.208 (talk) 20:43, 20 July 2010 (UTC)[reply]

Tripcode-documentation (pdf) has technical details. Shotcode's center point can be founded from image by finding the black-white-black-white-black stripe in X and Y-axis (you need just one scan per axis). With those scans we get also the scale of the barcode (size of the stripes). After that reading the data is just reading the 1D barcode in circular line which centerpoint is centerpoint and radius is based on scale. Getting the angle is byproduct of the detecting the least significant bit of the readed data. Compared to most 2D barcodes no image rotations or heavy transformations is needed for this and it has very low computational requirements in software point of view.

So point is not that it uses the circular coordinate system for getting the angle, but that it is very fast to detect, it works with low quality cameras and one of the basic usage was to detect angles and track how that angle changes. --91.153.55.112 (talk) 13:02, 6 August 2010 (UTC)[reply]

External links modified

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