ARCore - Plane Detection: detect inclined planes
I'm using ARCore with Unity and I'm tracking vertical and horizontal planes with success.
I have an inclined flat platform (it's big: 4 meters x 4 meters, so it should be detected) that is inclined about 30 degrees compared to the floor, but plane detection seems to not work on this platform.
Is it possible to track a plane/platform that is inclined or you have any idea of how to do it?
Thanks in advance.
unity3d arcore
asked Oct 1 '18 at 5:21
DanieleOssDanieleOss
1
add a comment |
I'm using ARCore with Unity and I'm tracking vertical and horizontal planes with success.
I have an inclined flat platform (it's big: 4 meters x 4 meters, so it should be detected) that is inclined about 30 degrees compared to the floor, but plane detection seems to not work on this platform.
Is it possible to track a plane/platform that is inclined or you have any idea of how to do it?
Thanks in advance.
unity3d arcore
asked Oct 1 '18 at 5:21
DanieleOssDanieleOss
1
I guess you can create a mesh of your inclined platform using feature points you get from that platform
– Ali Kanat
Oct 1 '18 at 10:28
add a comment |
I'm using ARCore with Unity and I'm tracking vertical and horizontal planes with success.
I have an inclined flat platform (it's big: 4 meters x 4 meters, so it should be detected) that is inclined about 30 degrees compared to the floor, but plane detection seems to not work on this platform.
Is it possible to track a plane/platform that is inclined or you have any idea of how to do it?
Thanks in advance.
unity3d arcore
asked Oct 1 '18 at 5:21
DanieleOssDanieleOss
1
I'm using ARCore with Unity and I'm tracking vertical and horizontal planes with success.
I have an inclined flat platform (it's big: 4 meters x 4 meters, so it should be detected) that is inclined about 30 degrees compared to the floor, but plane detection seems to not work on this platform.
Is it possible to track a plane/platform that is inclined or you have any idea of how to do it?
Thanks in advance.
unity3d arcore
unity3d arcore
asked Oct 1 '18 at 5:21
DanieleOssDanieleOss
1
asked Oct 1 '18 at 5:21
DanieleOssDanieleOss
1
asked Oct 1 '18 at 5:21
DanieleOssDanieleOss
1
asked Oct 1 '18 at 5:21
DanieleOssDanieleOss
1
asked Oct 1 '18 at 5:21
DanieleOssDanieleOss
1
1
I guess you can create a mesh of your inclined platform using feature points you get from that platform
– Ali Kanat
Oct 1 '18 at 10:28
add a comment |
I guess you can create a mesh of your inclined platform using feature points you get from that platform
– Ali Kanat
Oct 1 '18 at 10:28
I guess you can create a mesh of your inclined platform using feature points you get from that platform
– Ali Kanat
Oct 1 '18 at 10:28
I guess you can create a mesh of your inclined platform using feature points you get from that platform
– Ali Kanat
Oct 1 '18 at 10:28
add a comment |
1 Answer
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I believe ARCore only currently supports vertical and horizontal plane tracking at the moment.
There is an open GitHub FR to add support for general plane detection, but in the meantime you might have to analyse the point-cloud yourself and fit planes.
I suspect this would be expensive and/or noisy without filtering to cardinal directions, which would explain why it's not yet be implemented.
That said, if you know for sure the plane you're looking for will always be 30 degrees compared to the floor, you could probably do something similar.
You should be able to retrieve the point-cloud using the static property PointCloud from the Frame object. This is how ARInterface does it for ARCore:
public override bool TryGetPointCloud(ref PointCloud pointCloud)
{
if (Session.Status != SessionStatus.Tracking)
return false;
// Fill in the data to draw the point cloud.
m_TempPointCloud.Clear();
Frame.PointCloud.CopyPoints(m_TempPointCloud);
if (m_TempPointCloud.Count == 0)
return false;
if (pointCloud.points == null)
pointCloud.points = new List<Vector3>();
pointCloud.points.Clear();
foreach (Vector3 point in m_TempPointCloud)
pointCloud.points.Add(point);
return true;
}
(full source)
Now you've got the point cloud, you need to fit your planes to it. This tutorial might give you some insight into how to go about this, it covers basic plane-fitting via 3 points and more robust multi-point plane fitting using RANSAC. You might also like to look at this answer and this answer.
answered Nov 12 '18 at 11:45
n00dlen00dle
4,2272342
add a comment |
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1 Answer
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active
oldest
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oldest
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votes
I believe ARCore only currently supports vertical and horizontal plane tracking at the moment.
There is an open GitHub FR to add support for general plane detection, but in the meantime you might have to analyse the point-cloud yourself and fit planes.
I suspect this would be expensive and/or noisy without filtering to cardinal directions, which would explain why it's not yet be implemented.
That said, if you know for sure the plane you're looking for will always be 30 degrees compared to the floor, you could probably do something similar.
You should be able to retrieve the point-cloud using the static property PointCloud from the Frame object. This is how ARInterface does it for ARCore:
public override bool TryGetPointCloud(ref PointCloud pointCloud)
{
if (Session.Status != SessionStatus.Tracking)
return false;
// Fill in the data to draw the point cloud.
m_TempPointCloud.Clear();
Frame.PointCloud.CopyPoints(m_TempPointCloud);
if (m_TempPointCloud.Count == 0)
return false;
if (pointCloud.points == null)
pointCloud.points = new List<Vector3>();
pointCloud.points.Clear();
foreach (Vector3 point in m_TempPointCloud)
pointCloud.points.Add(point);
return true;
}
(full source)
Now you've got the point cloud, you need to fit your planes to it. This tutorial might give you some insight into how to go about this, it covers basic plane-fitting via 3 points and more robust multi-point plane fitting using RANSAC. You might also like to look at this answer and this answer.
answered Nov 12 '18 at 11:45
n00dlen00dle
4,2272342
add a comment |
I believe ARCore only currently supports vertical and horizontal plane tracking at the moment.
There is an open GitHub FR to add support for general plane detection, but in the meantime you might have to analyse the point-cloud yourself and fit planes.
I suspect this would be expensive and/or noisy without filtering to cardinal directions, which would explain why it's not yet be implemented.
That said, if you know for sure the plane you're looking for will always be 30 degrees compared to the floor, you could probably do something similar.
You should be able to retrieve the point-cloud using the static property PointCloud from the Frame object. This is how ARInterface does it for ARCore:
public override bool TryGetPointCloud(ref PointCloud pointCloud)
{
if (Session.Status != SessionStatus.Tracking)
return false;
// Fill in the data to draw the point cloud.
m_TempPointCloud.Clear();
Frame.PointCloud.CopyPoints(m_TempPointCloud);
if (m_TempPointCloud.Count == 0)
return false;
if (pointCloud.points == null)
pointCloud.points = new List<Vector3>();
pointCloud.points.Clear();
foreach (Vector3 point in m_TempPointCloud)
pointCloud.points.Add(point);
return true;
}
(full source)
Now you've got the point cloud, you need to fit your planes to it. This tutorial might give you some insight into how to go about this, it covers basic plane-fitting via 3 points and more robust multi-point plane fitting using RANSAC. You might also like to look at this answer and this answer.
answered Nov 12 '18 at 11:45
n00dlen00dle
4,2272342
add a comment |
I believe ARCore only currently supports vertical and horizontal plane tracking at the moment.
There is an open GitHub FR to add support for general plane detection, but in the meantime you might have to analyse the point-cloud yourself and fit planes.
I suspect this would be expensive and/or noisy without filtering to cardinal directions, which would explain why it's not yet be implemented.
That said, if you know for sure the plane you're looking for will always be 30 degrees compared to the floor, you could probably do something similar.
You should be able to retrieve the point-cloud using the static property PointCloud from the Frame object. This is how ARInterface does it for ARCore:
public override bool TryGetPointCloud(ref PointCloud pointCloud)
{
if (Session.Status != SessionStatus.Tracking)
return false;
// Fill in the data to draw the point cloud.
m_TempPointCloud.Clear();
Frame.PointCloud.CopyPoints(m_TempPointCloud);
if (m_TempPointCloud.Count == 0)
return false;
if (pointCloud.points == null)
pointCloud.points = new List<Vector3>();
pointCloud.points.Clear();
foreach (Vector3 point in m_TempPointCloud)
pointCloud.points.Add(point);
return true;
}
(full source)
Now you've got the point cloud, you need to fit your planes to it. This tutorial might give you some insight into how to go about this, it covers basic plane-fitting via 3 points and more robust multi-point plane fitting using RANSAC. You might also like to look at this answer and this answer.
answered Nov 12 '18 at 11:45
n00dlen00dle
4,2272342
I believe ARCore only currently supports vertical and horizontal plane tracking at the moment.
There is an open GitHub FR to add support for general plane detection, but in the meantime you might have to analyse the point-cloud yourself and fit planes.
I suspect this would be expensive and/or noisy without filtering to cardinal directions, which would explain why it's not yet be implemented.
That said, if you know for sure the plane you're looking for will always be 30 degrees compared to the floor, you could probably do something similar.
You should be able to retrieve the point-cloud using the static property PointCloud from the Frame object. This is how ARInterface does it for ARCore:
public override bool TryGetPointCloud(ref PointCloud pointCloud)
{
if (Session.Status != SessionStatus.Tracking)
return false;
// Fill in the data to draw the point cloud.
m_TempPointCloud.Clear();
Frame.PointCloud.CopyPoints(m_TempPointCloud);
if (m_TempPointCloud.Count == 0)
return false;
if (pointCloud.points == null)
pointCloud.points = new List<Vector3>();
pointCloud.points.Clear();
foreach (Vector3 point in m_TempPointCloud)
pointCloud.points.Add(point);
return true;
}
(full source)
Now you've got the point cloud, you need to fit your planes to it. This tutorial might give you some insight into how to go about this, it covers basic plane-fitting via 3 points and more robust multi-point plane fitting using RANSAC. You might also like to look at this answer and this answer.
answered Nov 12 '18 at 11:45
n00dlen00dle
4,2272342
edited Nov 12 '18 at 11:57
answered Nov 12 '18 at 11:45
n00dlen00dle
4,2272342
answered Nov 12 '18 at 11:45
n00dlen00dle
4,2272342
answered Nov 12 '18 at 11:45
n00dlen00dle
4,2272342
4,2272342
add a comment |
add a comment |
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I guess you can create a mesh of your inclined platform using feature points you get from that platform
– Ali Kanat
Oct 1 '18 at 10:28