OpenCV Error: Assertion failed (isIdesrc/matrix_expressions.cpntity(expr)) in _InputArray, file /home/zhenzhen/opencv-3.4.15/modules/core/src/matrix_expressions.cpp, line 1843

[AAAACS]

Hello sir,when i run roslaunch esim_ros esim.launch config:=cfg/example.conf,The following error occurred：
... logging to /home/zhenzhen/.ros/log/a9bd4574-f8cd-11ee-b897-4c1d964fc9c3/roslaunch-zhenzhen-Inspiron-5490-3472.log
Checking log directory for disk usage. This may take a while.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

started roslaunch server http://zhenzhen-inspiron-5490:35403/

SUMMARY

PARAMETERS

• /optic_flow_viz/arrows_scale: 0.07
• /optic_flow_viz/arrows_step: 7
• /optic_flow_viz/arrows_upsample_factor: 1
• /optic_flow_viz/publish_rate: 100
• /rosdistro: melodic
• /rosversion: 1.14.13

NODES
/
dvs_renderer (dvs_renderer/dvs_renderer)
esim_node (esim_ros/esim_node)
optic_flow_viz (esim_visualization/optic_flow_converter.py)

ROS_MASTER_URI=http://localhost:11311/

process[esim_node-1]: started with pid [3491]
process[dvs_renderer-2]: started with pid [3492]
process[optic_flow_viz-3]: started with pid [3493]
I0412 21:09:03.751674 3491 imu_factory.cpp:20] Initialize bias ...
I0412 21:09:03.767575 3491 imu_factory.cpp:27] done.
I0412 21:09:03.767596 3491 imu_factory.cpp:35] Initialize IMU ...
I0412 21:09:03.767598 3491 imu_factory.cpp:44] done.
I0412 21:09:03.768112 3491 data_provider_online_render.cpp:63] Horizontal FOV: 61.7164 deg
I0412 21:09:03.768132 3491 data_provider_online_render.cpp:64] Vertical FOV: 48.2168 deg
I0412 21:09:03.768136 3491 data_provider_online_render.cpp:65] Diagonal FOV: 73.4823 deg
I0412 21:09:03.768146 3491 renderer_factory.cpp:75] Loading texture file from file: /home/zhenzhen/sim_ws/src/rpg_esim/event_camera_simulator/imp/imp_planar_renderer/textures/office.jpg.
I0412 21:09:03.825806 3491 renderer_factory.cpp:85] Pre-filtering the texture with median filter of size: 13.
[INFO] [1712927343.827895]: Started flow converter node
[INFO] [1712927343.828650]: Step size between arrows: 7
[INFO] [1712927343.829299]: Scale factor: 0.07
[INFO] [1712927343.830015]: Upsample factor: x1
[INFO] [1712927343.830652]: Publish rate: 100 Hz
I0412 21:09:04.158222 3491 renderer_factory.cpp:92] Pre-filtering the texture with gaussian filter of size: 2.
I0412 21:09:04.242445 3491 planar_renderer.cpp:34] K_src = 2269.92 0000000 0002080
0000000 2269.92 0001560
0000000 0000000 0000001
I0412 21:09:04.242496 3491 planar_renderer.cpp:36] T_W_P = 01 00 00 00
00 -1 00 00
00 00 -1 -1
00 00 00 01
I0412 21:09:04.245700 3491 ros_publisher.cpp:37] Initializing ROS
I0412 21:09:04.312254 3491 rosbag_writer.cpp:53] Empty output bag string: will not write to rosbag
W0412 21:09:04.312268 3491 adaptive_sampling_benchmark_publisher.cpp:57] Empty benchmark folder string: will not write benchmark files
W0412 21:09:04.312371 3491 synthetic_optic_flow_publisher.cpp:41] Empty output folder string: will not write synthetic optic flow files
I0412 21:09:04.314716 3491 event_simulator.cpp:27] Converting the image to log image with eps = 0.001.
OpenCV Error: Assertion failed (isIdesrc/matrix_expressions.cpntity(expr)) in _InputArray, file /home/zhenzhen/opencv-3.4.15/modules/core/src/matrix_expressions.cpp, line 1843
terminate called after throwing an instance of 'cv::Exception'
what(): /home/zhenzhen/opencv-3.4.15/modules/core/src/matrix_expressions.cpp:1843: error: (-215) isIdentity(expr) in function _InputArray

*** Aborted at 1712927344 (unix time) try "date -d @1712927344" if you are using GNU date ***
PC: @ 0x7f8d332a8e87 gsignal
*** SIGABRT (@0x3e800000da3) received by PID 3491 (TID 0x7f8d362ae200) from PID 3491; stack trace: ***
@ 0x7f8d332a8f10 (unknown)
@ 0x7f8d332a8e87 gsignal
@ 0x7f8d332aa7f1 abort
@ 0x7f8d338ff957 (unknown)
@ 0x7f8d33905ae6 (unknown)
@ 0x7f8d33905b21 std::terminate()
@ 0x7f8d33905d54 __cxa_throw
@ 0x7f8d351648a2 cv::error()
@ 0x7f8d351649bf cv::error()
@ 0x7f8d33da218a cv::_InputArray::_InputArray()
@ 0x7f8d35f22de9 event_camera_simulator::EventSimulator::imageCallback()
@ 0x7f8d35f1f281 event_camera_simulator::Simulator::dataProviderCallback()
@ 0x7f8d35ceb4f6 event_camera_simulator::DataProviderOnlineMoving3DCameraRig::spinOnce()
@ 0x7f8d35cdb9b9 event_camera_simulator::DataProviderBase::spin()
@ 0x55c408c9e3b6 (unknown)
@ 0x7f8d3328bc87 __libc_start_main
@ 0x55c408c9ecda (unknown)
[esim_node-1] process has died [pid 3491, exit code -6, cmd /home/zhenzhen/sim_ws/devel/lib/esim_ros/esim_node --v=1 --vmodule=data_provider_from_folder=10 --flagfile=/home/zhenzhen/sim_ws/src/rpg_esim/event_camera_simulator/esim_ros/cfg/example.conf __name:=esim_node __log:=/home/zhenzhen/.ros/log/a9bd4574-f8cd-11ee-b897-4c1d964fc9c3/esim_node-1.log].
log file: /home/zhenzhen/.ros/log/a9bd4574-f8cd-11ee-b897-4c1d964fc9c3/esim_node-1*.log