質問編集履歴
2
表示がおかしかったのでなおしました。
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@@ -2,11 +2,7 @@
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OpenCVのimshowについて質問です。
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imshowの第一引数のウィンドウ名が同じで、
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第二引数の画像のみが変わる場合、同じウィンドウで
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画像が変わっていくと思っていたのですが、画像は変わらない(上書きされない)のでしょうか?
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よろしくお願いいたします。
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```
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```c++
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#include <opencv2/opencv.hpp>
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imshow("win, img); // 1
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imshow("win", img); // 1
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}
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```
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コードを簡単にしました。
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今以下のコードを書いていて、
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今以下のコードを書いていて、最初に1と2を読み込んでそのあとまた1を読み込んで~・・
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と繰り返して読み込んでくれることを期待していたのですが、
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現在の状況は、
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現在の状況は、2を読み込んだ後は更新されなくなりました。
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連続で更新するほうほうを教えていただけると幸いです。
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```c
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```c++
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@@ -64,376 +66,40 @@
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BITMAPINFOHEADER CreateBITMAPINFOHEADER(int width, int height)
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{
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BITMAPINFOHEADER bi;
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bi.biSize = sizeof(BITMAPINFOHEADER);
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bi.biWidth = width;
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bi.biHeight = -height;
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bi.biPlanes = 1;
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bi.biBitCount = 32;
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bi.biCompression = BI_RGB;
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bi.biSizeImage = 0;
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bi.biXPelsPerMeter = 0;
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bi.biYPelsPerMeter = 0;
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bi.biClrUsed = 0;
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bi.biClrImportant = 0;
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return bi;
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}
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Mat ConvertHWNDToMat(HWND hwnd)
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{
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RECT rect;
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GetClientRect(hwnd, &rect);
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int width = rect.right - rect.left;
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int height = rect.bottom - rect.top;
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HDC g_hdc = GetDC(hwnd);
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BITMAPINFOHEADER bi = CreateBITMAPINFOHEADER(width, height);
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LPDWORD lpPixel;
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HBITMAP hbmp = CreateDIBSection(g_hdc, (BITMAPINFO*)&bi, DIB_RGB_COLORS, (void**)&lpPixel, NULL, 0);
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HDC hdc = CreateCompatibleDC(g_hdc);
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SelectObject(hdc, hbmp);
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BitBlt(hdc, 0, 0, width, height, g_hdc, 0, 0, SRCCOPY);
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ReleaseDC(hwnd, g_hdc);
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Mat mat(height, width, CV_8UC4, Scalar::all(0));
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const int channel = 4;
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memcpy(mat.data, lpPixel, (sizeof(char) * (width * height) * channel));
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return mat;
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}
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void Error_message(int error_num) {
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switch (error_num){
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case 0: //Not Mat
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cout << "Not Mat" << endl;
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break;
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case 1: //Not Active window
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cout << "Not active window" << endl;
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break;
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case 2:
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cout << "Not template image " << endl;
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break;
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default:
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break;
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}
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}
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int Pursuit(Mat img) { // target pursuit
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Mat temp_img, result;
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temp_img = imread("C:\Users\mizuho\Pictures\Saved Pictures\ball.jpg", IMREAD_UNCHANGED);
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cvtColor(temp_img, temp_img, 1);
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cvtColor(img, img, 1);
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if (!temp_img.data) {
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Error_message(2);
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return 1;
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}
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matchTemplate(img, temp_img, result, TM_CCORR_NORMED);
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Point temp_position;
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minMaxLoc(result, 0, 0, 0, &temp_position);
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rectangle(img, temp_position, Point(temp_position.x + temp_img.cols,
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temp_position.y + temp_img.rows), Scalar(0, 255, 255), 2, 8, 0);
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namedWindow("result", WINDOW_AUTOSIZE);
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imshow("result", img);
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return 0;
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}
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int DoGetActiveWindow() {
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char buf[1000];
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HWND activeWindow;
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activeWindow = GetForegroundWindow(); //Get active window
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GetWindowText(activeWindow, buf, 1000); //Get active window text
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LPARAM param = (LPARAM)"ResearchProject2"; //Want to open project name
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299
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if (strcmp(buf, (char*)param) == 0) { //Match project name
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301
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Mat mat_img = ConvertHWNDToMat(activeWindow);
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305
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306
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307
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if (mat_img.empty()) {
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308
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309
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Error_message(0);
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311
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return 0;
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313
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}
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315
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316
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317
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318
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int img_s = Pursuit(mat_img); //target pursuit
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320
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321
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322
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323
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if (img_s != 0) {
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324
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325
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Error_message(1);
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326
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327
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return 0;
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328
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329
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}
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330
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331
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332
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333
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-
return 1;
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334
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335
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336
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337
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}else{
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338
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339
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return 0;
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341
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}
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342
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343
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344
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345
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if (activeWindow == NULL) {
|
346
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347
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Error_message(1);
|
348
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349
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-
return 0;
|
350
|
-
|
351
|
-
}
|
352
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|
353
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|
354
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|
355
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-
return 0;
|
356
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357
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358
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|
359
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-
}
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360
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361
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362
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363
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|
364
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365
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-
int main() {
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366
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367
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368
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369
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-
STARTUPINFO tStartupInfo = { 0 };
|
370
|
-
|
371
|
-
PROCESS_INFORMATION tProcessInfomation = { 0 };
|
372
|
-
|
373
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-
GetStartupInfo(&tStartupInfo);
|
374
|
-
|
375
|
-
|
376
|
-
|
377
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-
CreateProcess(
|
378
|
-
|
379
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-
"C:\Users\miminimi\Desktop\sotuken\ResearchProject2.exe", // Name of executable module
|
380
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-
|
381
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-
NULL, // Comand line texts
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382
|
-
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383
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-
NULL, // Security descriptor
|
384
|
-
|
385
|
-
NULL, // Security descriptor
|
386
|
-
|
387
|
-
FALSE, // Handle inheritance option
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388
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-
|
389
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0, // Create flag
|
390
|
-
|
391
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NULL, // New environmental block
|
392
|
-
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393
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-
NULL, // Name of current directory
|
394
|
-
|
395
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-
&tStartupInfo, // Startup information
|
396
|
-
|
397
|
-
&tProcessInfomation // Process information
|
398
|
-
|
399
|
-
);
|
400
|
-
|
401
|
-
|
402
|
-
|
403
|
-
Sleep(3000);
|
404
|
-
|
405
|
-
|
406
|
-
|
407
69
|
while (1) {
|
408
|
-
|
409
|
-
int win = DoGetActiveWindow();
|
410
|
-
|
411
|
-
|
412
|
-
|
413
|
-
if (win != 1) {
|
414
|
-
|
415
|
-
//Error_message(1);
|
416
|
-
|
417
|
-
}else {
|
418
|
-
|
419
|
-
//std::cout << "OKOK" << std::endl;
|
420
|
-
|
421
|
-
}
|
422
70
|
|
423
71
|
|
424
72
|
|
425
73
|
if (waitKey(0) == 1) break; //push anything key
|
426
74
|
|
427
|
-
|
428
75
|
|
76
|
+
|
429
|
-
|
77
|
+
Mat img;
|
78
|
+
|
79
|
+
|
80
|
+
|
81
|
+
img = imread("C:\Users\mimimi\Pictures\Saved Pictures\ball.jpg", IMREAD_UNCHANGED);
|
430
82
|
|
431
83
|
|
432
84
|
|
433
|
-
|
85
|
+
imshow("win, img); // 1
|
434
86
|
|
435
87
|
|
436
88
|
|
437
|
-
|
89
|
+
waitKey(1000);
|
438
90
|
|
91
|
+
|
92
|
+
|
93
|
+
img = imread("C:\Users\mimimi\Pictures\Saved Pictures\ball.jpg", 0);
|
94
|
+
|
95
|
+
|
96
|
+
|
97
|
+
imshow("win", img); // 2
|
98
|
+
|
99
|
+
|
100
|
+
|
101
|
+
waitKey(1000);
|
102
|
+
|
103
|
+
|
104
|
+
|
439
|
-
```
|
105
|
+
}```
|