Decimation function of image_proc for dropping depth image resolution
Hi all, Currently I am trying to use image_proc/crop_decimate to reduce the both rgb and depth image resolution of a sensor that I am using. I was able to drop the resolution for rgb image using...
View ArticleImage_proc causes images to hang
I have calibrated two pointgrey cameras to operate in stereo using the [tutorial](http://wiki.ros.org/camera_calibration/Tutorials/StereoCalibration). I also have a similar setup still running in ros...
View ArticleCropping a raw camera image before it is rectified.
Hi, After reading a lot of Q&A's on the topic, I still can't seem to crop an input image before rectifying it. I hope someone can help me. I'm runing KUbuntu 14.04 and ROS indigo I can take a raw...
View ArticleHow 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/.....
View ArticleHow 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:...
View ArticleHow to configure image_proc for publishing only the image_rect_color
Hi, I am using a camera from axis and i am interested in getting a rectified image. By running the image_proc node i am getting several topics, including something related to theora. I would like to...
View ArticleImage_proc fails with segmentation fault on ros::spin()
Hi, I'm trying to run this node: #include #include #include int main(int argc, char **argv) { ros::init(argc, argv, "image_proc"); // Check for common user errors if (ros::names::remap("camera") !=...
View Articleimage_proc/crop_decimate generates no topics
I use realsense camera, where driver comes without camera_info topic. Therefore I did calibration on my own and wrote my own node publishing camera_info. Now I want to use crop_decimate from...
View Articleimage_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: The `file_monitor` node checks for new images in a folder and publishes the image...
View Articledepth_image_proc register issue
I'd like to use the depth_image_proc pipeline to create point cloud xyzrgb using a RGBD camera. I calibrated rgb and ir camera and used image_proc to rectify them. Now I would like to register depth...
View ArticlePoint Grey Grasshopper3 Image looks all Green
I'm having an issue running ``camera.launch`` from the ``pointgrey_camera_driver`` package. When I launch try to view the color image ``/camera/image_color`` in either image_view or rviz the image...
View ArticleROS / 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....
View ArticleROI Error with Baxter camera feed
I receive a ROI error from image_proc when I subscribe to the Baxter robot camera image. The camera resolution is 640 x 400, and from camera_info the ROI is set to the same size. The part of the...
View Articlepoint_grey_camera driver not reading calibration file?
I have a point grey blackfly ethernet camera with a fisheye lens. I'm trying to use the point_grey_camera driver and image_proc to produce rectified images. I've been able to launch the example launch...
View ArticleTime synchronization when using multiple cameras with image_transport
Hello, I am using multiple USB cameras for a project and am facing problems with time synchronization. I am currently using image_transport library's subscribeCamera function to subscribe to...
View ArticleExtract rectified images from bag file with image_raw
I have a bag file with the topics image_raw and camera_info from different cameras. By the time I recorded I had not calibrated the cameras. I have now calibrated the cameras and want to save a...
View ArticleCompiling 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: [ 23%] Built target image_proc_gencfg...
View ArticleWhy does stereo_image_proc use nodelets?
`image_proc` and `stereo_image_proc` both use nodelets in their design for each of the individual processing steps that they're doing (rectification, disparity, stereo etc.). What are the advantages of...
View Articleimage_proc vs image_raw
Hi, all! I am quite misunderstood with playing image_view node and my mono camera. If I pass image_rect it shows very distorted image, whereas image_raw looks much better than image_proc. If I...
View ArticleHow to extract images from *.bag after image_proc?
I an trying to create pipe in .launch file in the following way: 1. Decompress image 2. Apply image_proc 3. Extract it Contents of the .launch file is the following: https://pastebin.com/8qtJLK2w As a...
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