1 % MATLAB控制摄像头操作
2
3 % 获取本机中已经安装的硬件资源列表
4 imaqhwinfo
5
6 % 建立videoinput对象
7 obj = videoinput('winvideo');
8
9 % 设置属性
10 set(obj, 'FramesPerTrigger', 1);
11 set(obj, 'TriggerRepeat', Inf);
12
13 % 建立界面
14 hf = figure('Units', 'Normalized', 'Menubar', 'None', ...
15 'NumberTitle', 'off', 'Name', '演示拍照系统');
16 ha = axes('Parent', hf, 'Units', 'Normalized', ...
17 'Position', [.05 .2 .85 .7]);
18 axis off
19 hb1 = uicontrol('Parent', hf, 'Units', 'Normalized', ...
20 'Position', [.25 .05 .2 .1], 'String', '预览', ...
21 'Callback', ...
22 ['objRes = get(obj, ''VideoResolution'');' ...
23 'nBands = get(obj, ''NumberOfBands'');' ...
24 'hImage = image(zeros(objRes(2), objRes(1), nBands));' ...
25 'preview(obj, hImage);']);
26 hb2 = uicontrol('Parent', hf, 'Units', 'Normalized', ...
27 'Position', [.55 .05 .2 .1], 'String', '拍照', ...
28 'Callback', 'imwrite(getsnapshot(obj), ''im.jpg'')');
