OPENCV INTERLACING IMAGE SERIES
The process of obtaining the H.264 stream of the camera on the M210 series and M300 RTK is as follows: NOTE The frame rate of both FPV camera and main camera’s stream is 30 FPS.
OPENCV INTERLACING IMAGE CODE
FPV Camera code stream: support to obtain images with a resolution of 608x448.Developers or users can mount different models of cameras and specified the frame rate, obtain the required code stream according the mode and module of the camera. OSDK supports developers to obtain the main camera’s stream which on the M210 series and M300 RTK. The details of the H.264 criterion please refer to H.264 Criterion.
OPENCV INTERLACING IMAGE INSTALL
After obtaining the camera’s stream, please install a decoder such as FFmpeg for decoding.The callback functions for obtaining the FPV camera's stream and obtaining the main camera's stream run in separate threads, OpenCV's module imshow only supports running in one thread, so developers are allowed to obtain FPV cameras or main camera's H.264 stream and RGB images.M210 series support H.264 bitstream or RGB images of FPV cameras and main cameras M300 RTK support H.264 bitstreams of FPV cameras and others cameras.In order to satisfy the function of developers using OSDK to obtain the camera’s stream, OSDK provides the function to obtaining the camera’s stream, supports obtaining the FPV camera and main camera's H.264 tream and RGB images. When using the advanced perception function of DJI OSDK, developer need to use a USB cable to receive the raw image data from the drone's visual perception system.Applications developed on Linux and ROS systems allow developers use DJI's advanced perception features.Developers use API in OSDK can obtain the camera’s stream of the DJI drone's visual perception system, generate time-diff-maps and cloud-maps, combined with image recognition algorithms, developer could develop the applications that meet the specific needs. To help developers use automatic flight control in application scenarios without GPS or RTK satellites, use Precise Hovering and Obstacle Avoidance, DJI has opened the drone's visual perception system. DJI appreciates your support and attention. If you have any questions about this article, please send an E-mail to DJI, we will correct it in time.
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