Yixun Liu

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Recent activity by Yixun Liu Recent activity Votes

  • rs2::frame_queue

    1. Community
    2. D400 Series

    Hi, I have a couple questions regarding rs2::frame_queue. 1. For queue.enqueue(), is the thread blocked or just overwrite the oldest frame when the queue is full? 2. For queue.poll_for_frame(), it ...

    • Yixun Liu
    • 2 followers
    • 1 comment
    • 0 votes

  • Enable infrared stream

    1. Community
    2. D400 Series

    Hi, In my application I need both depth stream and the left infrared stream. In my opinion, since the depth stream is generated based on both the left and  right infrared streams, so once I enable ...

    • Yixun Liu
    • 3 followers
    • 6 comments
    • 0 votes

  • An example CMakelists to config

    1. Community
    2. D400 Series

    Hi, I built librealsense2.0 on Windows 10 using CMake and VS2017. To use librealsense2.0 in my project, I need to write the CMakelists.txt.  Can anyone give me an example? Thanks. Yixun

    • Yixun Liu
    • 2 followers
    • 2 comments
    • 0 votes

  • Point cloud flicker as rendering On Android

    1. Community
    2. D400 Series

    Hi, As I render a point cloud I encounter the flickering sometimes. I have two threads. The main thread process the frames to generate the point cloud and then feed it to the OpenGL thread. The Ope...

    • Yixun Liu
    • 2 followers
    • 2 comments
    • 0 votes

  • is rs2::frame a unique smart pointer like unique_ptr?

    1. Community
    2. D400 Series

    Hi,  From the following link: https://dev.intelrealsense.com/docs/frame-management "rs2::frame is a smart reference to the underlying frame - as long as you hold ownership of the rs2::frame the und...

    • Yixun Liu
    • 2 followers
    • 3 comments
    • 0 votes

  • Cannot find the API for pause and resume of Playback on Android

    1. Community
    2. D400 Series

    Hi, I recorded a video into a.bag and want to use Playback device to play, pause and resume the video on Android. However, as I cast the parent class from Device to Playback I cannot find the pause...

    • Yixun Liu
    • 2 followers
    • 2 comments
    • 0 votes

  • Record streams of D435i on Android

    1. Community
    2. D400 Series

    Hi, I use the following code to record streams. However, if I  config.enableRecordToFile("streams.bag"); the code will stuck at mPipeline.start(config). Without it the app runs smoothly. Is it beca...

    • Yixun Liu
    • 2 followers
    • 3 comments
    • 0 votes

  • Get pose stream from D435i

    1. Community
    2. D400 Series

    Hi, I would like to get pose stream with D435i. As I know T265 can do this, but I do not want to use multiple cameras in my project. D435i can output IMU stream. I think I can output the Gyro and A...

    • Yixun Liu
    • 2 followers
    • 1 comment
    • 0 votes

  • FOV for different resolution

    1. Community
    2. D400 Series

    Hi, According to OpenCV documentation:  https://docs.opencv.org/2.4/modules/calib3d/doc/camera_calibration_and_3d_reconstruction.html "If, for example, a camera has been calibrated on images of 320...

    • Yixun Liu
    • 2 followers
    • 1 comment
    • 0 votes

  • Replace the infrared or color sensor in D435i

    1. Community
    2. D400 Series

    Hi, The color sensor in the D435i has small FOV. I am wondering can I replace it with a color sensor with big FOV? The depth FPS looks too slow if I use a big resolution than 640x480. Can you point...

    • Yixun Liu
    • 2 followers
    • 4 comments
    • 0 votes