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Questions tagged [image-proc]

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ResizeNode subscribes and publishes camera info on the same topic

Seems like a dumb question, but I can't find the answer. I see that image_proc::ResizeNode subscribes to /camera_info, and then generates a new CameraInfo message with the scaled intrinsics. But it ...
Clyde McQueen's user avatar
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1 answer
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example for setting destination width and height and getting updated camera info when using image_proc/resize

Hey, could someone please give me a concrete example about how to use the resize() function via command line? This link seems to be promising, but it doesn't show how to set destination width and ...
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what releases are included in a sync?

There are ~monthly 'sync's for each ROS version (e.g. 2019-08-26 kinetic sync. I'm assuming that this sync means that these packages are pushed to the apt servers. ...
achille's user avatar
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1 answer
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error while loading shared libraries: libopencv_calib3d3.so.3.2: cannot open shared object file

I see libopencv_calib3d.so, libopencv_calib3d.so.3.3, and libopencv_calib3d.so.3.3.1, but not what I need libopencv_calib3d.so.3.2 . I have tried several methods, update ubuntu, create a 3.2 to 3.3 ...
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2 answers
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cv_bridge tutorial example not compiling in ROS Kinetic and Ubuntu 16.04

Hi, I am trying to run the full example in the cv_bridge tutorial at http://wiki.ros.org/cv_bridge/Tutorials/UsingCvBridgeToConvertBetweenROSImagesAndOpenCVImages . I am having serious trouble ...
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1 answer
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Probleme with parameter queue_size in image_proc node

Hello everyone, I try to change the size of the message queue in image_proc by raising the parameter ~queue_size in a roslaunch file: ...
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1 answer
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Compiling ROS Kinetec from source fails when building image_proc

I'm using an Arch machine and trying to compile ROS desktop full from source. The build fails when image_proc is trying to link executable. Here is the error log: ...
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1 answer
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ROS / Point Grey Chameleon USB3 Cam / No Colour Images

Hello everyone, I almost feel silly asking this, but I have sunken enough time into this now, and can't figure it out. I have a USB3 Pt Grey Chameleon Camera, installed according to the ROS guide. ...
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1 answer
33 views

image_proc not working as expected

Hello everyone, I'm trying to use image_proc to rectify my image, coming from a folder. Here is my launch file: ...
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1 answer
36 views

How to run image_proc with roslaunch

How do you write a launch file to pipeline a color usb camera into image_proc, convert it to mono, and display it in a window? To display a color usb webcam, this simple launch file works well: ...
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1 answer
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How to use image_proc node

Using Xtion on Ubuntu with ROS hydro. Ran openni2_launch to the launch camera drivers. $ rostopic list /camera/rgb/image_raw /camera/rgb/camera_info and many other topics /camera/depth/.. camera/ir/....
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stereo image proc bypass

Ubuntu 14.04 ROS Indigo Igloo Bumblebee2 Hello! I am using a lookup table to rectify the images extracted with camera1394stereo generated outside ROS with triclops....
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1 answer
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Why is image_proc only show the upper left half of my image?

Hello, I am currently publishing an image which is 1024x1024 pixels and I am trying to rectify it using image_proc. The output of my /camera/camera_info is: header: seq: 3692 stamp: secs: ...
user avatar
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1 answer
5 views

synchronized problem related to calibration

Hello All. I Am a rookie in Ros, I am using ros fuerte and a monocular camera. My lapto's camera. I want to know how many things I need to setup to make a retification image with image_proc package. I ...
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1 answer
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How to make image_proc from source? Missing opencv2 dependency

Hi, I am trying to install image_proc (non-catkin one) from source. However, its dependency opencv2 (electric version) deprecated. Does image_proc need opencv2 dependency anymore? Can I just delete ...
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2 answers
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load calibration file

Hi there, I would like to calibrate (extrinsically) a Webcam to my Kinect. For that I need the rectified image of the webcam (usb_cam/image_rect). To get that I calibrated the camera like this ...
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1 answer
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Force raw8 for debayering

Hi, I have a Basler camera that outputs bayer pattern images in format7_mode1 mode. However, when I set raw8 for the format7_color_coding parameter, then it fails to be set, and mono8 is used instead. ...
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2 answers
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Multiple Point Grey Chameleon USB cameras unstable

Hello. This will be a rather fuzzy question and I apologize for that in advance. We have two Point Grey Chameleon (http://ptgrey.com/products/chameleon/chameleon_usb_camera.asp) cameras connected to ...
user avatar
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2 answers
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rectify image in your package

Dear All, I have a package which has 2 image_info and camera topics: nh_.param("input_image_topic", input_image_topic_, std::string("/camera")); nh_.param("...
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1 answer
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image_proc/crop_decimate initialization problems

Hi all I am having a lot of problems with crop_decimate nodelet. I am using a auto starting launch script which launches camera1394 -> debayer -> crop_decimate nodelets. It seems that 80% of the ...
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2 answers
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Replacing camera_info messages

Is there any easy way to replace the camera_info messages stored in a bag file. In particular when using either the image_proc or stereo_image_proc nodes. Originally posted by Hordur on ROS Answers ...
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2 answers
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proliferation of dynamic_reconfigure servers due to image_proc or image_transport

Hi- I've noticed recently that it has become increasingly difficult to make use of the dynamic reconfigure gui because there are too many servers in the dropdown list. It seems now every image ...
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1 answer
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image_proc warning /camera/camera/

Hi all, I am receiving warnings from image_proc every 30 seconds or so: [ WARN] [1310053249.262781753]: The input topic '/camera/camera/image_raw' is not yet advertised [ WARN] [1310053249.262963275]: ...
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1 answer
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camera1394 from launch

When I attempt to roslaunch a camera1394 node with a camera.yaml file, I get the following error: [ERROR] [1308174837.695264371]: Exception parsing YAML camera calibration: yaml-cpp: error at line 1, ...
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1 answer
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How can additional nodelets be attached to the stereo_image_proc's nodelet manager in Diamondback?

I'd like to add in image processing attached to the points2 and disparity output of ...
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2 answers
2 views

Is it better/prefered to combine nodelets programmatically or in a launch file?

Is there an advantage to combining nodelets programmatically? I noticed that stereo_image_proc does this and was surprised. I'm attempting to chain image processing using nodelets to avoid the ...
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1 answer
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prosilica camera configuration

I wonder if anybody knows a way/tool/wizard to find optimal configuration for Prosilica GC1380 camera. I use "AVT GigE SDK" and play with Exposure and Gain variables to get acceptable image ...
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2 answers
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How can I speed up image rectification?

I hope to increase the rectified frame rate that I'm getting from image_proc. I'm feeding it a 64 fps 704x456 video stream, with that 704x456 rectangle being the region of interest sampled from a ...
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