Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
3 | PointedEar | 1 | /*------------------------------------------------------------------------------------------*\ |
2 | This file contains material supporting chapter 2 of the cookbook: |
||
3 | Computer Vision Programming using the OpenCV Library. |
||
4 | by Robert Laganiere, Packt Publishing, 2011. |
||
5 | |||
6 | This program is free software; permission is hereby granted to use, copy, modify, |
||
7 | and distribute this source code, or portions thereof, for any purpose, without fee, |
||
8 | subject to the restriction that the copyright notice may not be removed |
||
9 | or altered from any source or altered source distribution. |
||
10 | The software is released on an as-is basis and without any warranties of any kind. |
||
11 | In particular, the software is not guaranteed to be fault-tolerant or free from failure. |
||
12 | The author disclaims all warranties with regard to this software, any use, |
||
13 | and any consequent failure, is purely the responsibility of the user. |
||
14 | |||
15 | Copyright (C) 2010-2011 Robert Laganiere, www.laganiere.name |
||
16 | \*------------------------------------------------------------------------------------------*/ |
||
17 | |||
18 | |||
19 | #include <vector> |
||
20 | #include <opencv2/core/core.hpp> |
||
21 | #include <opencv2/highgui/highgui.hpp> |
||
22 | |||
23 | |||
24 | int main() |
||
25 | { |
||
26 | cv::Mat image1; |
||
27 | cv::Mat image2; |
||
28 | |||
29 | image1= cv::imread("boldt.jpg"); |
||
30 | image2= cv::imread("rain.jpg"); |
||
31 | if (!image1.data) |
||
32 | return 0; |
||
33 | if (!image2.data) |
||
34 | return 0; |
||
35 | |||
36 | cv::namedWindow("Image 1"); |
||
37 | cv::imshow("Image 1",image1); |
||
38 | cv::namedWindow("Image 2"); |
||
39 | cv::imshow("Image 2",image2); |
||
40 | |||
41 | cv::Mat result; |
||
42 | cv::addWeighted(image1,0.7,image2,0.9,0.,result); |
||
43 | |||
44 | cv::namedWindow("result"); |
||
45 | cv::imshow("result",result); |
||
46 | |||
47 | // using overloaded operator |
||
48 | result= 0.7*image1+0.9*image2; |
||
49 | |||
50 | cv::namedWindow("result with operators"); |
||
51 | cv::imshow("result with operators",result); |
||
52 | |||
53 | image2= cv::imread("rain.jpg",0); |
||
54 | |||
55 | // create vector of 3 images |
||
56 | std::vector<cv::Mat> planes; |
||
57 | // split 1 3-channel image into 3 1-channel images |
||
58 | cv::split(image1,planes); |
||
59 | // add to blue channel |
||
60 | planes[0]+= image2; |
||
61 | // merge the 3 1-channel images into 1 3-channel image |
||
62 | cv::merge(planes,result); |
||
63 | |||
64 | cv::namedWindow("Result on blue channel"); |
||
65 | cv::imshow("Result on blue channel",result); |
||
66 | |||
67 | // read images |
||
68 | cv::Mat image= cv::imread("boldt.jpg"); |
||
69 | cv::Mat logo= cv::imread("logo.bmp"); |
||
70 | |||
71 | // define image ROI |
||
72 | cv::Mat imageROI; |
||
73 | imageROI= image(cv::Rect(385,270,logo.cols,logo.rows)); |
||
74 | |||
75 | // add logo to image |
||
76 | cv::addWeighted(imageROI,1.0,logo,0.3,0.,imageROI); |
||
77 | |||
78 | // show result |
||
79 | cv::namedWindow("with logo"); |
||
80 | cv::imshow("with logo",image); |
||
81 | |||
82 | // read images |
||
83 | image= cv::imread("boldt.jpg"); |
||
84 | logo= cv::imread("logo.bmp"); |
||
85 | |||
86 | // define ROI |
||
87 | imageROI= image(cv::Rect(385,270,logo.cols,logo.rows)); |
||
88 | |||
89 | // load the mask (must be gray-level) |
||
90 | cv::Mat mask= cv::imread("logo.bmp",0); |
||
91 | |||
92 | // copy to ROI with mask |
||
93 | logo.copyTo(imageROI,mask); |
||
94 | |||
95 | // show result |
||
96 | cv::namedWindow("with logo 2"); |
||
97 | cv::imshow("with logo 2",image); |
||
98 | |||
99 | // read images |
||
100 | logo= cv::imread("logo.bmp",0); |
||
101 | image1= cv::imread("boldt.jpg"); |
||
102 | |||
103 | // split 3-channel image into 3 1-channel images |
||
104 | std::vector<cv::Mat> channels; |
||
105 | cv::split(image1,channels); |
||
106 | |||
107 | imageROI= channels.at(1); |
||
108 | |||
109 | cv::addWeighted(imageROI(cv::Rect(385,270,logo.cols,logo.rows)),1.0, |
||
110 | logo,0.5,0.,imageROI(cv::Rect(385,270,logo.cols,logo.rows))); |
||
111 | |||
112 | cv::merge(channels,image1); |
||
113 | |||
114 | cv::namedWindow("with logo 3"); |
||
115 | cv::imshow("with logo 3",image1); |
||
116 | |||
117 | cv::waitKey(); |
||
118 | |||
119 | return 0; |
||
120 | } |