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odg r7w image targets sample

August 9, 2017 - 2:52am #1

Hello guys.

I am having problem with image targets sample. I've downloaded everything i need. When I build the app and deploy it to my phone it works, I can see the pot using the chips and stones images. But when i deploy it to the glasses nothing happens. They can't detect for some reason.

Can you give me some advice? Thanks in advance.


odg r7w image targets sample

August 17, 2017 - 4:39pm #6

I believe that I am having a similar issue with my ODG R7s. I am trying to use the stereo rendering sample, but cannot detect the images. However, when deployed to my tablet the sample works well. Any advice would be greatly appreciated.


odg r7w image targets sample

August 14, 2017 - 4:47am #5

I think something is wrong with the glasses. When i run adb logcat and run the sample or the calibration tool i get lines like:

E AR      : Failed to open predictive sensor

E camhalwrapper: camhalwrapper with lock protection enabled!

E mm-camera-intf: Open sensor_init subdev failed

E QCamera2Factory: qcamera::QCamera2Factory::QCamera2Factory(): 0 camera devices detected!

I've run trough all apps installed and turned off the camera permissions restarted the device and tried again but the same thing happens.

Do you have any idea how to fix that? 


odg r7w image targets sample

August 11, 2017 - 4:21am #4

I tried with colored picture - still no result.

odg r7w image targets sample

August 10, 2017 - 12:48am #3


Yes. Optical see-through with vuforia config because i only have hololens as option for config. Stones and chips is also activated. 

When i tried to calibrate the device with the app, when i look at the picture it doesnt recognize the calibration image as well. I've printed black and white images is this a possible case?

odg r7w image targets sample

August 9, 2017 - 9:05am #2

Hi Djungalio,

Have you set the Vuforia Configuration file up with the proper optical see-through settings?



-Vuforia Support

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