MATLAB调用gige相机步骤：1）若2015版本以下，附加功能——get hardware support package——gige hardware；2）关闭防火墙；3）查看是否有硬件，gigecamlist查看相机参数，4）运行clear all;
close all;
vid = videoinput('gentl', 1, 'Mono8');
src = getselectedsource(vid);
vid.FramesPerTrigger = 1;
set(vid,'TriggerRepeat',Inf);
vid.FramesPerTrigger = Inf;
set(vid,'FramesPerTrigger',1);
vid.FrameGrabInterval=1;
preview(vid);
while (1)
frame=getsnapshot(vid);
%frame=rgb2gray(frame);
frame=im2bw(frame);
figure(1)
imshow(frame);title('原始图像');
drawnow;%实时更新图像
end
是否有图像显示