Questions tagged [3d-object-recognition]

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tensorflow object detection stops training automatically without an error message [duplicate]

i've used this same code with a dataset that is much smaller and the code worked perfectly. i've now increased the size of the dataset and the model trains around 100 steps and stops. i reduced the ...
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object detection model being trained is stuck but no error message is shown

tensorflow objection detection model im working on currently is stuck, i cannot figure out where ive gone wrong as all the lines before it executed properly.this line simply wont execute beyond this ...
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Localization of Object in Rviz and Gazebo

I have a Simulated Robot in Gazebo and Rviz and i want to use a Camera and Bring an Object present in the Real World into Rviz, so that the Robot can see this Object. I would like to represent this ...
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Point cloud using static lidar

I am working on a "Dynamic Object detection" problem using just point cloud and deep learning algorithms. I have to use a static depth camera/ static lidar in the environment. The ...
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Require Help Deriving correct formula to calculate object distance

I am trying to create a python scripted node which calculates object distance based on what is detected from an object detection library I'm utilizing. The node is subscribed to the ...
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E: Unable to locate package ros-humble-cv-camera

I tried solution from @javisshultz https://answers.ros.org/question/345764/e-unable-to-locate-package-ros-melodic-desktop-full-or-ros-melodic-desktop/ echo "deb http://packages.ros.org/ros/...
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Object recognition object detected but wrong position

While trying to set up object recognition on a robot created in fusion 360 using the find_object_2d package, Iam able to detect my object (coke can); however, when i open rviz, the tf of the object is ...
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how to pick and place object with Moveit and Kinect

I had a robot is controlled thought MoveIt! ,but now i don't know how to integrate with Kinect in order to object detection and pick, place. I read about PCL, tabletop_object, but still don't have the ...
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package suggetions for tracking simple object/marker?

Hello, I want to determine the 3D movement (instantaneous pose) of a simple object, e.g., a green tennis ball in a 2x2x2 meter space using a realsense D435 camera. I read the similar questions in the ...
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Model Free 3D Object Detection & tracking PCL

I have a task where i am asked to track parcels(carton boxes) of different dimensions moving on a conveyor I am using Asus Xtion pro camera mounted on top of a conveyor in any inclined angle and also ...
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Do ros wiki provides all the tecnical information about ros?

Can i learn everything about ros in ros wiki only? Originally posted by dinesh on ROS Answers with karma: 932 on 2016-05-18 Post score: 0
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How to subscribe the sensor values into ros nodes and to publish results to controll servo motors?

I want to use the sensor values inside the ros node to do some operation and than after doing some operation by using them i want to send the result values to the actuaters of the robot with BBB, how ...
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how to add base link or world frame rviz

I m new user of rviz I am using Kinect 2 and want to see point cloud information I want to see the cloud information in rviz however my fixed frame popup only shows map ... however in different ...
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How can learn to controll beaglebone black with ros? Any books, links, tutorials or anything?

I am doing a project where i want to controll sensors and motors connted to beglebone black with ros nodes. How can i learn to do that? Any book, video link, online course or anything which i can use? ...
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Colorless Computer Vision: Object Recognition through Depth Data or Point Clouds? Why it always shows REQUIRED process [rviz-9] has died! whenever i r

I wanted to know if their is any computer vision algorithm which dont uses color data and still does the task of object recognition, tracking etc. Is their such method or 3d computer vision thing? ...
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how to write c++ codes in ros, for analysing kinect depth datas?

im trying to write 3d computer vision in ros in c++, but it looks like c++ in ros is little different, so what is the important neceasary lines to add in c++ code for this, or what is basic format of ...
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Unable to view to the clustering results in rviz

Hello, I am trying to perform euclidean clustering in ROS. I can generate data and also store them .pcd files. But i wish to see the output of the file in rviz which I am unable to. It throws the ...
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Two ROS computers - roswtf: WARNING The following nodes are unexpectedly connected:

I'm unable to publish on /turtle1/cmd_vel with second controller computer, but it works fine on 1 computer. It works fine to send /clear service commands on 1 and 2 computer configurations. Controller ...
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rviz and openGL

I am trying to run rviz but I face this error: ...
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best kinect object detection in indigo

I've seen this question before, but since 2011 the world has advanced. I know for one that roboearth has simply stopped, splitting into two separate projects. Their latest release seems to be in ...
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object detection

Hi guys, Sorry for my stupid question. :) I watched a video on youtube about object detection and roboearth. I want to use that software but I do not know the steps I have to take. Can someone PLEASE ...
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Which is the easiest way to do Object Detection

Right now ive been searching the web and got that th best packages are roboearth and tabletop_object_detector, but I have to do the specific of recognizing doors and people, so im no sure this are the ...
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how to generate 3D point cloud

Hello, I needed some help regarding 3D modeling. I have the Asus Xtion Pro live .I have installed the Openni drivers on ros groovy on Ubuntu 12.04 and I can see the depth registered point cloud in ...
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TurtleBot Kinect object recognition package

I would like to use Kinect to recognize 2 objects (book, table), 2 people (adult and child), and 2 postures (stand or sit). I am confused about OpenCV, OpenNI, PCL, TOD and many things like that. Do I ...
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RoboEarth detection performance

Hej, I just got RoboEarth up and running but observe a very bad detection rate. For testing I used a textured box and a redbull can. Both were scanned according to the tutorial. The Box scan looks ...
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RoboEarth scanning issues

Hi, we are trying to scan and recognize 3D objects with the Kinect and RoboEarth. For the model scanning we followed the video tutorial from RoboEart, resp. the guide from the wiki which results in ...
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recognizes & learns persons and objects

i want my robot to recognize the object and if the object has appear for first time then ask about it and then saves it and next time he comes with the same object he should recognise it and speak up ...
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Sick Lidar data with motor encoder

Autonomous Solutions has a 3D SICK Lidar - Forecast. How would you integrate the laser data on one node and then the position data from the encoder on another node? The sicktoolkit provides drivers ...
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can not find K-CoPMAN

Hi, 1-) I can not find (K-CoPMAN) which refer to knowledge enable cognitive perception for manipulation, which is required for combination of perception and knowledge processing ?! any help pleas ...
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roboearth detection and other issues

Hello everyone, I am a newbie roboearth user and have recently managed to integrate roboearth with ros, resolving some build and run-time errors. I start training roboearth with a bottle. The first ...
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Creating Object models for 3D Object Recognition

I am trying to create 3D models of objects for the 3D Object Recognition techniques presented in the following tutorial. I get the feeling that something similar to what I am looking for is done in ...
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optimal kinect/xtion placement with regard to object recognition

Hi! I am wondering, if there is some kind of best practice out there or someone could share her/his experience about how to best place the Kinect, Xtion or a similar device on a robot. To be more ...
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roboearth: fails to detect object when receiving point cloud

Hi, I'm using ros-electric-turtlebot running the roboearth. After building up a 3D model, I use the re_kinect_object_detector to detect the object. The first time the re_kinect_object_detector node ...
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roboearth: record object, could not get camera pose

Hi, I'm trying to run the roboearth object recording package on electric turtlebot. I started the turtlebot by running minimal bring up, run the kinect by ar_kinect_turtlebot.launch. Now I run the ...
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roboearth: record a object: can't receive point clouds

Hi, Currently I'm working with the roboearth recording a 3D model object. I use the kinect attached with turtlebot. Instead of following the record_and_upload_object tutorial, I find my own way ...
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PCD viewer problem for Object Detection using Kinect

I am working on object detection using ROS-PCL. Using a Kinect camera I save point clouds generated by the following code in a .pcd file. My problem is that I am unable to see the object as a point ...
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Object Recognition with Minoru

Hello, I'm using a Minoru 3D webcam for object recognition. Will any ROS packages help in object detection and recognition using point clouds published from Minoru? All the information I get from the ...
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Point Clouds in ROS

How to process point clouds taken [published] using ROS using PCL for object recognition? I've read the PCL documentation and it mentions that we need a PCD file [containing the point clouds] for ...
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PCD file in ROS?

We have published Points2 type point cloud in ROS using Minoru camera. Can we generate a PCD file in ROS of these published point clouds? How can we process this PCD file using ROS? Purpose is to ...
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Best 3D object recognition package

Hi, I came across few object detection/recognition packages in ros tabletop_objects steder11icra roboearth find_object I find some of them are built on cturtle and when i try to checkout these ...
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