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...
View Articleprosilica 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 at...
View ArticleIs 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...
View ArticleHow can additional nodelets be attached to the stereo_image_proc's nodelet...
I'd like to add in image processing attached to the `points2` and `disparity` output of `stereo_image_proc`, but can't figure out how to either get the `stereo_image_proc` stack nodelets to attach to...
View Articlecamera1394 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,...
View Articleimage_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]:...
View Articleproliferation of dynamic_reconfigure servers due to image_proc or...
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...
View Articleimage_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...
View Articlerectify 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("input_camera_info_topic",...
View ArticleMultiple 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...
View ArticleForce 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....
View ArticleReplacing 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.
View ArticleHow 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...
View Articleload 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...
View Articlesynchronized 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...
View Articlestereo_image_proc disparity image crop
Hi, I am using stereo_image_proc to generate a disparity image. However, I always see a fixed number of columns cropped of on the left side. Since this is fixed, the cropped region is almost half the...
View ArticleImage_proc package and yuv422 format
I need an example to run image_proc ang get a topic that let my use and image in YUV422 format. The goal is not convert every time the topic subcriber image Thanks in advanced
View ArticleWhy 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: 1405337388...
View Articlestereo image proc bypass
Ubuntu 14.04 ROS Indigo Igloo Bumblebee2 Hello! I am using a lookup table to rectify the images extracted with [camera1394stereo](http://wiki.ros.org/camera1394stereo) generated outside ROS with...
View ArticleImplementing RegionOfInterest and do_rectify in camera driver for use with...
I'd like to implement support for RegionOfInterest for my camera driver but I'm not sure how to do it correctly. I'd like image_proc to be able to subscribe to the roi image and operate correctly,...
View Article