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Why sometimes ImageTarget isn't recognize?
Vuforia iOS SDK : Combine ImageTargets & VideoPlayback exampleVuforia: UserDefinedTargets is better than ImageTargets database?Unity Google Cardboard persistenceMissingMethodException: Method not found: 'UnityEngine.Behaviour.get_isActiveAndEnabled'.Unity3D(4.5 and 4.6) + Vuforia 5Get markers position in Vuforia3D AR Markers with Project TangoVuforia Video being played even if the image target is not focusedHow to recognize a multiple Vuforia AR targets in Unity without creating a separate object for each?How accurate is Vuforia Fusion compared with “pure” ARCore / ARKit?Using MRTK and Vuforia in Unity - What Camera to choose?
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I'm using Vuforia with Unity and I try to track an ImageTarget( that with stones from Vuforia site). The problem is that sometimes (in 20-30% of cases) it takes like 10-20 seconds to recognize the ImageTarget even if I put it very clearly in front of the camera. Other problem is when the ImageTarget disappears from the scene and reappears sometimes works perfectly sometimes not. Any suggestion why this is happening? (I'm new in Vuforia)
unity3d augmented-reality vuforia
asked Mar 24 at 14:14
ionutholo ionutholo
212
add a comment |
I'm using Vuforia with Unity and I try to track an ImageTarget( that with stones from Vuforia site). The problem is that sometimes (in 20-30% of cases) it takes like 10-20 seconds to recognize the ImageTarget even if I put it very clearly in front of the camera. Other problem is when the ImageTarget disappears from the scene and reappears sometimes works perfectly sometimes not. Any suggestion why this is happening? (I'm new in Vuforia)
unity3d augmented-reality vuforia
asked Mar 24 at 14:14
ionutholo ionutholo
212
add a comment |
I'm using Vuforia with Unity and I try to track an ImageTarget( that with stones from Vuforia site). The problem is that sometimes (in 20-30% of cases) it takes like 10-20 seconds to recognize the ImageTarget even if I put it very clearly in front of the camera. Other problem is when the ImageTarget disappears from the scene and reappears sometimes works perfectly sometimes not. Any suggestion why this is happening? (I'm new in Vuforia)
unity3d augmented-reality vuforia
asked Mar 24 at 14:14
ionutholo ionutholo
212
I'm using Vuforia with Unity and I try to track an ImageTarget( that with stones from Vuforia site). The problem is that sometimes (in 20-30% of cases) it takes like 10-20 seconds to recognize the ImageTarget even if I put it very clearly in front of the camera. Other problem is when the ImageTarget disappears from the scene and reappears sometimes works perfectly sometimes not. Any suggestion why this is happening? (I'm new in Vuforia)
unity3d augmented-reality vuforia
unity3d augmented-reality vuforia
asked Mar 24 at 14:14
ionutholo ionutholo
212
asked Mar 24 at 14:14
ionutholo ionutholo
212
asked Mar 24 at 14:14
ionutholo ionutholo
212
asked Mar 24 at 14:14
ionutholo ionutholo
212
asked Mar 24 at 14:14
ionutholo ionutholo
212
212
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
If its default project without your scripts - then may be quality of your camera is not enough to track correctly image targets all the time. Also vuforia sometimes has bug with loading resources with image targets but if you do not reload app and image been tracked it is only quality of your camera.
answered Mar 25 at 9:26
Nikolay GonzaNikolay Gonza
918
Thank you for the answer, I have another question, I add this code in the DefaultTrackableEventHandler script from an ImageTarget: protected virtual void Update() calculateLength(); protected virtual void calculateLength() Vector3 delta = Camera.main.transform.position - mTrackableBehaviour.transform.position; float d = delta.magnitude/28 ; Debug.Log("The distance is : " + d +"cm"); . Can this affect the ImageTarget detection?
– ionutholo
Mar 26 at 16:07
Nope, this can't do anything to detection. But still better to use fixed update
– Nikolay Gonza
Mar 27 at 12:36
Can you mark question answered, if you have no other questions? :)
– Nikolay Gonza
Apr 1 at 13:20
I'm waiting for other suggestions because I tried on different devices with good camera quality (Huawei P10 and Huawei P20 lite) and get the same behavior.
– ionutholo
Apr 3 at 14:21
add a comment |
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1 Answer
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1 Answer
1
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oldest
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If its default project without your scripts - then may be quality of your camera is not enough to track correctly image targets all the time. Also vuforia sometimes has bug with loading resources with image targets but if you do not reload app and image been tracked it is only quality of your camera.
answered Mar 25 at 9:26
Nikolay GonzaNikolay Gonza
918
Thank you for the answer, I have another question, I add this code in the DefaultTrackableEventHandler script from an ImageTarget: protected virtual void Update() calculateLength(); protected virtual void calculateLength() Vector3 delta = Camera.main.transform.position - mTrackableBehaviour.transform.position; float d = delta.magnitude/28 ; Debug.Log("The distance is : " + d +"cm"); . Can this affect the ImageTarget detection?
– ionutholo
Mar 26 at 16:07
Nope, this can't do anything to detection. But still better to use fixed update
– Nikolay Gonza
Mar 27 at 12:36
Can you mark question answered, if you have no other questions? :)
– Nikolay Gonza
Apr 1 at 13:20
I'm waiting for other suggestions because I tried on different devices with good camera quality (Huawei P10 and Huawei P20 lite) and get the same behavior.
– ionutholo
Apr 3 at 14:21
add a comment |
If its default project without your scripts - then may be quality of your camera is not enough to track correctly image targets all the time. Also vuforia sometimes has bug with loading resources with image targets but if you do not reload app and image been tracked it is only quality of your camera.
answered Mar 25 at 9:26
Nikolay GonzaNikolay Gonza
918
Thank you for the answer, I have another question, I add this code in the DefaultTrackableEventHandler script from an ImageTarget: protected virtual void Update() calculateLength(); protected virtual void calculateLength() Vector3 delta = Camera.main.transform.position - mTrackableBehaviour.transform.position; float d = delta.magnitude/28 ; Debug.Log("The distance is : " + d +"cm"); . Can this affect the ImageTarget detection?
– ionutholo
Mar 26 at 16:07
Nope, this can't do anything to detection. But still better to use fixed update
– Nikolay Gonza
Mar 27 at 12:36
Can you mark question answered, if you have no other questions? :)
– Nikolay Gonza
Apr 1 at 13:20
I'm waiting for other suggestions because I tried on different devices with good camera quality (Huawei P10 and Huawei P20 lite) and get the same behavior.
– ionutholo
Apr 3 at 14:21
add a comment |
If its default project without your scripts - then may be quality of your camera is not enough to track correctly image targets all the time. Also vuforia sometimes has bug with loading resources with image targets but if you do not reload app and image been tracked it is only quality of your camera.
answered Mar 25 at 9:26
Nikolay GonzaNikolay Gonza
918
If its default project without your scripts - then may be quality of your camera is not enough to track correctly image targets all the time. Also vuforia sometimes has bug with loading resources with image targets but if you do not reload app and image been tracked it is only quality of your camera.
answered Mar 25 at 9:26
Nikolay GonzaNikolay Gonza
918
answered Mar 25 at 9:26
Nikolay GonzaNikolay Gonza
918
answered Mar 25 at 9:26
Nikolay GonzaNikolay Gonza
918
answered Mar 25 at 9:26
Nikolay GonzaNikolay Gonza
918
918
Thank you for the answer, I have another question, I add this code in the DefaultTrackableEventHandler script from an ImageTarget: protected virtual void Update() calculateLength(); protected virtual void calculateLength() Vector3 delta = Camera.main.transform.position - mTrackableBehaviour.transform.position; float d = delta.magnitude/28 ; Debug.Log("The distance is : " + d +"cm"); . Can this affect the ImageTarget detection?
– ionutholo
Mar 26 at 16:07
Nope, this can't do anything to detection. But still better to use fixed update
– Nikolay Gonza
Mar 27 at 12:36
Can you mark question answered, if you have no other questions? :)
– Nikolay Gonza
Apr 1 at 13:20
I'm waiting for other suggestions because I tried on different devices with good camera quality (Huawei P10 and Huawei P20 lite) and get the same behavior.
– ionutholo
Apr 3 at 14:21
add a comment |
Thank you for the answer, I have another question, I add this code in the DefaultTrackableEventHandler script from an ImageTarget: protected virtual void Update() calculateLength(); protected virtual void calculateLength() Vector3 delta = Camera.main.transform.position - mTrackableBehaviour.transform.position; float d = delta.magnitude/28 ; Debug.Log("The distance is : " + d +"cm"); . Can this affect the ImageTarget detection?
– ionutholo
Mar 26 at 16:07
Nope, this can't do anything to detection. But still better to use fixed update
– Nikolay Gonza
Mar 27 at 12:36
Can you mark question answered, if you have no other questions? :)
– Nikolay Gonza
Apr 1 at 13:20
I'm waiting for other suggestions because I tried on different devices with good camera quality (Huawei P10 and Huawei P20 lite) and get the same behavior.
– ionutholo
Apr 3 at 14:21
Thank you for the answer, I have another question, I add this code in the DefaultTrackableEventHandler script from an ImageTarget: protected virtual void Update() calculateLength(); protected virtual void calculateLength() Vector3 delta = Camera.main.transform.position - mTrackableBehaviour.transform.position; float d = delta.magnitude/28 ; Debug.Log("The distance is : " + d +"cm"); . Can this affect the ImageTarget detection?
– ionutholo
Mar 26 at 16:07
Thank you for the answer, I have another question, I add this code in the DefaultTrackableEventHandler script from an ImageTarget: protected virtual void Update() calculateLength(); protected virtual void calculateLength() Vector3 delta = Camera.main.transform.position - mTrackableBehaviour.transform.position; float d = delta.magnitude/28 ; Debug.Log("The distance is : " + d +"cm"); . Can this affect the ImageTarget detection?
– ionutholo
Mar 26 at 16:07
Nope, this can't do anything to detection. But still better to use fixed update
– Nikolay Gonza
Mar 27 at 12:36
Nope, this can't do anything to detection. But still better to use fixed update
– Nikolay Gonza
Mar 27 at 12:36
Can you mark question answered, if you have no other questions? :)
– Nikolay Gonza
Apr 1 at 13:20
Can you mark question answered, if you have no other questions? :)
– Nikolay Gonza
Apr 1 at 13:20
I'm waiting for other suggestions because I tried on different devices with good camera quality (Huawei P10 and Huawei P20 lite) and get the same behavior.
– ionutholo
Apr 3 at 14:21
I'm waiting for other suggestions because I tried on different devices with good camera quality (Huawei P10 and Huawei P20 lite) and get the same behavior.
– ionutholo
Apr 3 at 14:21
add a comment |
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