opencv使用のプログラムエラーについて

###前提・実現したいこと
opencvを使用してるプログラムのエラー処理でつまずいてます。
使用しているのは下記のwebサイトのものです。
http://qiita.com/yukiB/items/55a42d55dd2256c104d6
###発生している問題・エラーメッセー
エラー箇所は
ViewController.mm内の

(void)processImage:(cv::Mat&)imageの
cv::Mat mat(&iplImage);の部分です

Desktop/canny/canny/ViewController.mm:167:13: No matching constructor for initialization of 'cv::Mat'

###該当のソースコード
ViewController.h

c++
1
2
3#import <UIKit/UIKit.h>
4#import <opencv2/imgcodecs/ios.h>
5#import <opencv2/opencv.hpp>
6#import <opencv2/videoio/cap_ios.h>
7typedef enum {
8    Hmax_slider,
9    Hmin_slider,
10    Smax_slider,
11    Smin_slider,
12    Vmax_slider,
13    Vmin_slider
14} SliderType;
15
16@interface ViewController : UIViewController<CvVideoCameraDelegate>
17{
18    CvVideoCamera* videoCamera;
19    BOOL isCapturing;
20    __weak IBOutlet UILabel *hmaxval;
21    __weak IBOutlet UILabel *hminval;
22    __weak IBOutlet UILabel *smaxval;
23    __weak IBOutlet UILabel *sminval;
24    __weak IBOutlet UILabel *vmaxval;
25    __weak IBOutlet UILabel *vminval;
26    
27    int hsvval[6];
28    
29}
30
31@property (nonatomic, strong) CvVideoCamera* videoCamera;
32@property (nonatomic, strong) IBOutlet UIImageView* imageView;
33@property (nonatomic, strong) IBOutlet UIToolbar* toolbar;
34@property (nonatomic, weak) IBOutlet
35UIBarButtonItem* startCaptureButton;
36@property (nonatomic, weak) IBOutlet
37UIBarButtonItem* stopCaptureButton;
38
39@property (nonatomic, weak) IBOutlet
40UIBarButtonItem* lockFocusButton;
41@property (nonatomic, weak) IBOutlet
42UIBarButtonItem* lockExposureButton;
43@property (nonatomic, weak) IBOutlet
44UIBarButtonItem* lockBalanceButton;
45
46@property (nonatomic, weak) IBOutlet
47UIButton* closeButton;
48
49@property (nonatomic, weak) IBOutlet
50UISlider* hmax;
51@property (nonatomic, weak) IBOutlet
52UISlider* hmin;
53@property (nonatomic, weak) IBOutlet
54UISlider* smax;
55@property (nonatomic, weak) IBOutlet
56UISlider* smin;
57@property (nonatomic, weak) IBOutlet
58UISlider* vmax;
59@property (nonatomic, weak) IBOutlet
60UISlider* vmin;
61
62
63@property (nonatomic, weak) IBOutlet
64UIView* hsvController;
65
66-(IBAction)closeButtonPressed:(id)sender;
67
68-(IBAction)sliderModified:(id)
69sender;
70
71@end
72

ViewController.mmm

c++
1#import "ViewController.h"
2
3@interface ViewController ()
4
5@end
6
7@implementation ViewController
8
9@synthesize imageView;
10@synthesize hsvController;
11@synthesize closeButton;
12@synthesize hmax;
13@synthesize hmin;
14@synthesize smax;
15@synthesize smin;
16@synthesize vmax;
17@synthesize vmin;
18
19
20- (void)startCamera:(NSTimer *)timer
21{
22    
23    [videoCamera start];
24    isCapturing = YES;
25    
26}
27
28-(IBAction)clickCommand:(id)sender
29{
30    hsvController.hidden = NO;
31}
32
33-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
34{
35    UITouch *touch = [[event allTouches] anyObject];
36    if ( touch.view.tag == imageView.tag )
37        [self clickCommand:imageView];
38}
39
40
41- (void)initHSV
42{
43    
44    hmax.tag = Hmax_slider;
45    hmin.tag = Hmin_slider;
46    smax.tag = Smax_slider;
47    smin.tag = Smin_slider;
48    vmax.tag = Vmax_slider;
49    vmin.tag = Vmin_slider;
50    
51    hmax.value = 30;
52    hmin.value = 0;
53    smax.value = 255;
54    smin.value = 0;
55    vmax.value = 255;
56    vmin.value = 0;
57    
58    hsvval[0] = hmax.value = 10;
59    hsvval[1] = hmin.value = 0;
60    hsvval[2] = smax.value = 255;
61    hsvval[3] = smin.value = 100;
62    hsvval[4] = vmax.value = 255;
63    hsvval[5] = vmin.value = 100;
64    
65    
66    hmaxval.text =  [NSString stringWithFormat:@"%d", (int)hmax.value];
67    hminval.text =  [NSString stringWithFormat:@"%d", (int)hmin.value];
68    smaxval.text =  [NSString stringWithFormat:@"%d", (int)smax.value];
69    sminval.text =  [NSString stringWithFormat:@"%d", (int)smin.value];
70    vmaxval.text =  [NSString stringWithFormat:@"%d", (int)vmax.value];
71    vminval.text =  [NSString stringWithFormat:@"%d", (int)vmin.value];
72    
73    
74}
75
76- (void)extarctColor: (IplImage *)srcImage
77{
78    IplImage *hsvImage = cvCreateImage(cvGetSize(srcImage), IPL_DEPTH_8U, 3);
79    
80    double h;
81    double s;
82    double v;
83    
84    
85    cvCvtColor(srcImage,hsvImage, CV_BGR2HSV);
86    
87    unsigned char *offset;
88    unsigned char *P3Image = (uchar *)(hsvImage->imageData);
89    int widthStep3=hsvImage->widthStep;
90    
91    for(int y=0;y<hsvImage->height;y++,P3Image+=widthStep3){
92        for(int x=0;x<hsvImage->width;x++){
93            
94            offset = (P3Image+x+(x<<1));
95            h=*(offset);
96            s=*(offset+1);
97            v=*(offset+2);
98            
99            if(h<=hsvval[0] && h>=hsvval[1] &&
100               s<=hsvval[2] && s>=hsvval[3] &&
101               v<=hsvval[4] && v>=hsvval[5]
102               ){
103            } else {
104                *(offset+1) = 10;
105            }
106        }
107    }
108    cvCvtColor(hsvImage,srcImage, CV_HSV2BGR);
109    
110    cvReleaseImage(&hsvImage);
111    
112}
113
114- (void)viewDidLoad
115{
116    [super viewDidLoad];
117    
118    imageView.tag = 100;
119    imageView.userInteractionEnabled = YES;
120    
121    hsvController.hidden = YES;
122    hsvController.alpha = 0.6;
123    
124    [self initHSV];
125    
126    videoCamera = [[CvVideoCamera alloc]
127                   initWithParentView:imageView];
128    videoCamera.delegate = self;
129    videoCamera.defaultAVCaptureDevicePosition =
130    AVCaptureDevicePositionBack;
131    videoCamera.defaultAVCaptureSessionPreset =
132    AVCaptureSessionPreset352x288;
133    videoCamera.defaultAVCaptureVideoOrientation =
134    AVCaptureVideoOrientationPortrait;
135    videoCamera.defaultFPS = 30;
136    
137    isCapturing = NO;
138    
139    
140    NSTimer *timer = [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(startCamera:) userInfo:nil repeats:NO];
141    
142    printf("start");
143    
144    
145}
146
147- (NSInteger)supportedInterfaceOrientations
148{
149    // Only portrait orientation
150    return UIInterfaceOrientationMaskPortrait;
151}
152
153- (void)processImage:(cv::Mat&)image
154{
155    cv::Mat image_copy;
156    cv::cvtColor(image, image_copy, CV_BGRA2BGR);
157    IplImage iplImage = image_copy;
158    [self extarctColor: &iplImage];
159    cv::Mat mat(&iplImage);
160    cv::cvtColor(mat, image, CV_BGR2BGRA);
161    
162}
163
164- (void)didReceiveMemoryWarning
165{
166    [super didReceiveMemoryWarning];
167    // Dispose of any resources that can be recreated.
168}
169
170- (void)viewDidDisappear:(BOOL)animated
171{
172    [super viewDidDisappear:animated];
173    if (isCapturing)
174    {
175        [videoCamera stop];
176    }
177}
178
179- (IBAction)sliderModified:(id)sender
180{
181    UISlider *slider = (UISlider*)sender;
182    switch(slider.tag) {
183        case Hmax_slider:
184            hmaxval.text =  [NSString stringWithFormat:@"%d", (int)slider.value];
185            break;
186        case Hmin_slider:
187            hminval.text =  [NSString stringWithFormat:@"%d", (int)slider.value];
188            break;
189        case Smax_slider:
190            smaxval.text =  [NSString stringWithFormat:@"%d", (int)slider.value];
191            break;
192        case Smin_slider:
193            sminval.text =  [NSString stringWithFormat:@"%d", (int)slider.value];
194            break;
195        case Vmax_slider:
196            vmaxval.text =  [NSString stringWithFormat:@"%d", (int)slider.value];
197            break;
198        case Vmin_slider:
199            vminval.text =  [NSString stringWithFormat:@"%d", (int)slider.value];
200            break;
201    }
202    hsvval[0] = hmax.value;
203    hsvval[1] = hmin.value;
204    hsvval[2] = smax.value;
205    hsvval[3] = smin.value;
206    hsvval[4] = vmax.value;
207    hsvval[5] = vmin.value;
208}
209
210
211-(IBAction)closeButtonPressed:(id)sender;
212{
213    hsvController.hidden = YES;
214}
215
216
217- (void)dealloc
218{
219    videoCamera.delegate = nil;
220}
221
222@end
223