cam_lidar_calibration | ITSC 2021 ) Optimising the selection of samples for robust | Camera library

 by   acfr C++ Version: Current License: No License

kandi X-RAY | cam_lidar_calibration Summary

kandi X-RAY | cam_lidar_calibration Summary

cam_lidar_calibration is a C++ library typically used in Video, Camera applications. cam_lidar_calibration has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

This package estimates the calibration parameters that transforms the camera frame (parent) into the lidar frame (child)
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            kandi-support Support

              cam_lidar_calibration has a low active ecosystem.
              It has 277 star(s) with 78 fork(s). There are 6 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 11 open issues and 21 have been closed. On average issues are closed in 39 days. There are 2 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of cam_lidar_calibration is current.

            kandi-Quality Quality

              cam_lidar_calibration has no bugs reported.

            kandi-Security Security

              cam_lidar_calibration has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              cam_lidar_calibration does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              cam_lidar_calibration releases are not available. You will need to build from source code and install.
              Installation instructions, examples and code snippets are available.

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            cam_lidar_calibration Key Features

            No Key Features are available at this moment for cam_lidar_calibration.

            cam_lidar_calibration Examples and Code Snippets

            No Code Snippets are available at this moment for cam_lidar_calibration.

            Community Discussions

            QUESTION

            Camera on transporter of population
            Asked 2022-Feb-09 at 19:18

            I want to put a camera on a transporter of an agent type AGV. Since there are multiple AGV transporters I cannot simply put it on the agent since it will give errors. So I tried to randomly select an AGV of the population, based on the busy parameter of the AGV agent. But when I try this it gives the next error: AGV can not be resolved to a variable.

            AGV is an Agent type in my model and I've created a transporter fleet with as agent type the AGV (I also do not know if this is the correct method).

            I've tried to code it in the following manner:

            I'm not really sure what I'm doing wrong, but I also could not find any simple example of putting a camera on AGVs or containers or something, only very complex examples or examples where there was just one agent (e.g. an airplane).

            Later added:

            Thanks in advance, Aron

            ...

            ANSWER

            Answered 2021-Nov-29 at 11:44

            Just put the camera into your AGV agent type. Make sure that your TransporterFleet is adding new transporters to a custom population of AGV agents (myPop), see below:

            In your model, you can now change the camera using my3DWindow.setCamera(((AGV)randomFrom(myPop)).myCamera);

            Source https://stackoverflow.com/questions/70153360

            QUESTION

            Android Camera Intent not working in OnePlus devices
            Asked 2022-Feb-07 at 06:55

            I was trying to use the native camera app that comes pre-installed in Android devices to capture the images for my app. For this I've been using this code:

            A function is called when the user taps on button

            ...

            ANSWER

            Answered 2021-Sep-06 at 10:10

            check AndroidManifest.xml for following change

            Source https://stackoverflow.com/questions/69072654

            QUESTION

            How to convert raw YUV image to jpg
            Asked 2022-Feb-05 at 09:47

            I have a raw image that was taken with v4l2-ctl after the camera had been setup like:

            ...

            ANSWER

            Answered 2022-Feb-05 at 09:47

            Your frame is 2457600 bytes and your pixel dimensions are 1280x960, so you have:

            Source https://stackoverflow.com/questions/70961566

            QUESTION

            Execution failed for task ':camera:compileDebugJavaWithJavac'
            Asked 2022-Jan-29 at 09:35

            I have created a new flutter project and added camera plugin. after adding that dependency I got many errors. I used futter version is 2.5.2 & minSdkVersion 21

            In pubspec.yaml file,

            ...

            ANSWER

            Answered 2021-Nov-17 at 07:00

            How about this? flutter pub cache repair

            Source https://stackoverflow.com/questions/69999966

            QUESTION

            Phaser3, Creating Rounded Rectangle, Not Staying Put Relative To Window
            Asked 2022-Jan-21 at 00:26

            I'm trying to create a scoreboard using phaser3. It creates the board when I do the following in create function:

            ...

            ANSWER

            Answered 2022-Jan-21 at 00:26

            YourGraphic.setScrollFactor(0,0);

            Source https://stackoverflow.com/questions/70794747

            QUESTION

            Record a video from surface view(bind video and camera preview)
            Asked 2022-Jan-13 at 10:24

            I want to record video of whatever happens on surface.

            I'm playing video on surface and showing camera preview over it. I want to record both in one video and export as .mp4. what should I do for it. your help would be much appreciated.

            Video and preview both are placed in one surface view.

            ...

            ANSWER

            Answered 2022-Jan-13 at 10:24

            I prefer to see grafika project from Google's repository in Github and try with RecordFBOActivity or see EZFilter project Repository in GitHub.

            May this will much helpful to you.

            Or search recordable surface view in Github,that is awesome repository too.

            Source https://stackoverflow.com/questions/70379036

            QUESTION

            FlyCamera with collision
            Asked 2021-Dec-21 at 07:56

            How to create collisions for a flying camera in Unity 3d? to prevent the camera from falling into objects on the scene. My camera script snippet:

            ...

            ANSWER

            Answered 2021-Dec-18 at 22:39

            Better put you camera movement in the LateUpdate() as adviced in the docs.

            With a rigidbody and a collider properly set for the collision detection. Check docs so that you can detect the collisions properly.

            Check that " Notes: Collision events are only sent if one of the colliders also has a non-kinematic rigidbody attached", so your camera could be one gameObject with no rigidbody, so that you can fly free and collide.

            I case you might need physics behaviour for yout camera and you want it also to behave as a rigidbody I would set the camera movement with rigidbody.SetPosition instead of with transform.position = new Vector3(), as you need to choose to set the transform in the geometric or the physics world. Also you would need to uncheck the gravity option not to fall.

            Source https://stackoverflow.com/questions/70407498

            QUESTION

            Unity material.color.a code is not working
            Asked 2021-Dec-02 at 18:12
             void OnTriggerStay(Collider other)
            {
                if (other.gameObject.CompareTag("tree"))
                {
                    Color color = other.gameObject.GetComponent().material.color;
                    color.a = 0.5f;
                }
            }
            
            ...

            ANSWER

            Answered 2021-Aug-31 at 18:38

            You're not really setting the color with the code you wrote.

            Source https://stackoverflow.com/questions/69003736

            QUESTION

            Zoom out camera while keeping text locked - Phaser 3
            Asked 2021-Nov-27 at 15:54

            I'm making a sword game in which you have to collect coins to get big and you fight people. Here's what I have so far:

            Notice how the player gets bigger as it collects coins. After a while, you get so big that you cover the entire screen.

            I realized I have to zoom out the camera based on the players size.

            This is what I have for camera (in create function)

            this.cameras.main.startFollow(this.mePlayer);

            I added this line of code before it: this.cameras.main.setZoom(0.5)

            Now it turns like this. The text is all smaller and for some reason my tileSprite background breaks too.

            Here is the code for the text.

            ...

            ANSWER

            Answered 2021-Nov-27 at 15:54

            Thanks to samme for helping me solve this.

            In the end I created another camera called UICamera.

            I used the ignore function to ignore all of the game objects on that camera.

            And I ignored all the text, minimap, ui, and tilesprite background on the main camera.

            Then, to zoom out, I would just zoom out the main camera and adjust the tileSprite scale manually.

            See http://phaser.io/examples/v3/view/camera/ignore

            Source https://stackoverflow.com/questions/69684342

            QUESTION

            javascript- getUserMedia on Safari
            Asked 2021-Nov-24 at 04:18

            https://caniuse.com/?search=getusermedia

            Based on the link provided above, does Safari 15 support getUserMedia? I trying use it to access camera, when I test it on safari 15 it asked camera permission, after I allow the permission it still show me nothings. The link show Safari 15 is support getUserMedia/Stream API but not support Navigator API: getUserMedia. Below is my code, which one I should refer to? getUserMedia/Stream API or Navigator API: getUserMedia

            ...

            ANSWER

            Answered 2021-Nov-18 at 12:41

            You definitely want navigator.mediaDevices.getUserMedia() method. It definitely works on iOS. The other one is deprecated. Apple is so late to the getUserMedia() party that they did not implement the deprecated API.

            You can read about viewing the iOS console. You need to connect your iOS device to a mac, then use the Safari on that mac, to do that. It's a pain in the xxx neck. Explaining how is beyond the scope of a Stack Overflow answer.

            Or you can use alert() for debugging.

            You need to call cameraView.play() at the right moment. Here's the documentation.

            It recommends doing something like this.

            Source https://stackoverflow.com/questions/70016574

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install cam_lidar_calibration

            This package has only been tested in ROS Melodic.
            You can verify that this repository runs sucessfully by running this package on our provided quick-start data. If you are using docker, these instructions should be run inside the container. This first step takes the saved poses, computes the best sets with the lowest VOQ score. After calibration, the output is saved in the same directory as the imported samples. For this quickstart example, the output is saved in cam_lidar_calibration/data/vlp/. This step gives the estimated calibration parameters by taking a filtered mean of the best sets, and displaying the gaussian fitted histogram of estimated parameters. Additionally, we provide an assessment of the calibration results by computing the reprojection error over all provided data samples and a visualisation (if specified). To obtain and assess the calibration output, provide the absolute path of the csv output file generated in the first step. The example below uses pre-computed calibration results. You can replace this with your newly generated results in step 1 if you wish. You should see a terminal output with the reprojection errors, along with a gaussian-fitted histogram and a visualisation. That's it! If this quick start worked successfully, you can begin using this tool for your own data. If not, please create an issue and we'll aim to resolve it promptly.
            In the image below, we show two chessboards rigs that we've used with this package.
            Prepare a rectangular chessboard printout. The chessboard print used in the paper is an A1 (594 x 841mm) with 95mm squares and 7x5 inner vertices (not the same as the number of grid squares), downloaded from https://markhedleyjones.com/projects/calibration-checkerboard-collection
            Firmly attach the chessboard on a rigid, opaque, and rectangular board such that both their centres align (as best as possible) and their edges remain parallel to one another.
            Choose a suitable stand that can mount the target with little to no protruding elements from the board's edges.
            Rotate the chessboard such that it is in the shape of a diamond (at an angle of 45° with respect to the ground) and mount it on a stand.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            gh repo clone acfr/cam_lidar_calibration

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            git@github.com:acfr/cam_lidar_calibration.git

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