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Similar Image Target

November 1, 2018 - 12:30am #1

Dear Vuforia, 



I would like to ask some questions regards the Image Target with Similiar Pattern (Feature Points)



1. Could the SDK return all the results which matched the detected image?

2. Could we attach some meta information (location, tag, keyword) to the system , so that we can get the corresponding data



Regards,

ken

Similar Image Target

November 13, 2018 - 8:27am #4

Hello @AuroraDev,

The Vuforia Engine SDK (aka Vuforia Plugin) is more of a closed system in that you submit an image as captured by the camera to the Cloud Reco service, and it returns a query result. This result can be used to create a 6DoF tracking experience during app run time.

The Web Query APIs are more geared for image recognition - it does not support 6DoF tracking experiences. However, there should be nothing that stops you from calling Web Query APIs in your app if they meet your use cases.

Thanks,

Vuforia Engine Support

Similar Image Target

November 12, 2018 - 11:15pm #3

Quote:

 Note that using the Web Query API means you will not be able to provide 6DoF tracking experiences for the target - it is strictly an image recognition service.

 

I am using Unity Vuforia Plugin to handle the recognition/searching, so is that mean I cannot collect all the similar image target like the "Web Query API"?

I can just collect the best target return from Vuforia?

Similar Image Target

November 1, 2018 - 1:33pm #2

Hello,

AuroraDev wrote:

1. Could the SDK return all the results which matched the detected image?

The Vuforia Web Query API, https://library.vuforia.com/content/vuforia-library/en/articles/Solution/How-To-Perform-an-Image-Recognition-Query.html, provides a list of up to 10 image matches sorted by order of confidence. Note that using the Web Query API means you will not be able to provide 6DoF tracking experiences for the target - it is strictly an image recognition service.

AuroraDev wrote:

2. Could we attach some meta information (location, tag, keyword) to the system , so that we can get the corresponding data

All cloud targets can have a metadata payload of up to 2.0 MB/target (note that there is a typo in the article indicating 1 MB max size - I've opened a ticket to have this updated).

https://library.vuforia.com/content/vuforia-library/en/articles/Training/Cloud-Recognition-Guide.html#metadata

Thanks,

Vuforia Engine Support

 

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