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Recognize face and capture it automatically in canvas power apps

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Posted on by Rafia Mohammed

Hello Everyone,

If i navigate to the screen, Need to recognize face and capture face automatically(Should also tell if face is far from the webcam, If it is near to the webcam only it should capture the face). Can anyone guide me how this can be achieved?

According to me, we can achieve this with AI builder, But i don't know the approach. Thank you.

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CedrickB Microsoft Employee on at

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Hi,

Unfortunatelly, AI Builder can't recognize faces yet.

You have to get an Azure license to use face recognition API https://azure.microsoft.com/en-us/services/cognitive-services/face/ and create a connection from the Power Platform.

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Rafia Mohammed 96 on at

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Will you please share the referenced articles that matches my requirement.
Send me other than Microsoft docs, because i have gone through it already.
Many thanks in advance.

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CedrickB Microsoft Employee on at

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You can try this one https://nanddeepnachanblogs.com/posts/2020-06-18-facial-recognition-in-sharepoint/

But there are many similar articles available on Google.

I hope this addresses your requirements.

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Rafia Mohammed 96 on at

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Do we have any option that camera(media) should automatically takes the picture when we enter into the particular screen?

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CedrickB Microsoft Employee on at

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Hi,

You can set StreamRate=100 and OnStream=ClearCollect(Photos, Camera1.Stream)

Then retrieve the picture with First(Photos).Url

See https://powerapps.microsoft.com/en-us/blog/ux-patterns-camera-shutter-button/

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Rafia Mohammed 96 on at

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Yes, it is taking picture automatically. Once the picture is taken, camera should not be ready state to take the picture again, it should end it with only one picture.

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Rafia Mohammed 96 on at

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Am still waiting for your reply. Thank you

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CedrickB Microsoft Employee on at

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ok providing a detailed walkthrough:

1. Create a screen with a camera control and a picture control

2. In the "OnVisible" property of your screen, enter this

Set(CameraStreamRate, 200);

3. In the "StreamRate" property of your camera control, enter this

CameraStreamRate

4. In the "Visible" property of your camera control, enter this

false

5. In the "OnStreamRate" property of your camera control, enter this

ClearCollect(Photos, Camera1.Stream);

Set(CameraStreamRate, 0);
6. in "Image" property of your picture control enter this

First(Photos).Url

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Rafia Mohammed 96 on at

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Really thank you so much for your patience but what i want to say here is, when we take the picture from the camera control, it is allowing to take picture.
My concern is different for example Am taking one picture of my face, after taking the picture, the camera control should show only that image which i have took until and unless we press the button called retake picture.
I hope you understood my scenario. Thank you

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CedrickB Microsoft Employee on at

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Then just change the "OnSelect" property of the picture to Set(CameraStreamRate, 200);

That should do what you want.

Basically, the camera control is always hidden but ready to take picture (but invisible and in idle state).

When the user click on the picture control which show latest image taken by the camera control, this will reactivate the camera control by changing again the framerate to 200.

The image in picture control will update automatically.

After streaming once, the camera control turn back to idle state thanks to Set(CameraStreamRate, 0);

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