error: ‘CV_BGR2GRAY‘ was not declared in this scope

Others 2022-04-20 07:22:49 views: 0

Qt +Opencv encountered an error when using: error: 'CV_BGR2GRAY' was not declared in this scope
The solution found on the Internet for cvtColor is:

#include <opencv2\imgproc\types_c.h>

Guess you like

Origin http://43.154.161.224:23101/article/api/json?id=324148466&siteId=291194637

error: ‘CV_BGR2GRAY‘ was not declared in this scope

error: 'CV_RGB2GRAY' was not declared in this scope solutions

error: ‘CV_LOAD_IMAGE_UNCHANGED’ was not declared in this scope

C++ reported error'__gcd' was not declared in this scope

Clion compilation error: nullptr not declared in the scope

OpenCV3.4 error: 'time' was not declared in this scope

OpenCV4.5 error error:' CV_* 'was not declared in this scope Summary of solutions

OpenCV4 error error: ' CV_* 'was not declared in this scope Solution summary

The solution to the ROS compilation error "error: 'tf2_buffer_' was not declared in this scope"

Linux compilation error error:'fopen_s' was not declared in this scope

Windows network programming c language error: [Error] 'bzero' was not declared in this scope

error: ‘rand’ was not declared in this scope int random=rand()%100；

Analysis of the reason for g++ compilation error report "was not declared in this scope"

QT编译fabs not declared in this scope

【Opencv】CV_* was not declared in this scope 的部分解决方法

Classic problem---'cout' /string was not declared in this scope

OpenCV3.4 'nullptr' was not declared in this scope

Classic problem---'cout' /string was not declared in this scope

Godot Identifier “File“ not declared in the current scope.

error: '::hypot' has not been declared

Error: ‘tf’ has not been declared

The matlab function 'numerically_integrate' has been declared in this scope.

Python error collection: "no encoding declared" workaround

Error Annotation Processors must be explicitly declared now

Why does Java allow two variables with the same name to be declared in the same scope?

gcc：call to '__open_missing_mode' declared with attribute error

pandas offline install error 'NUMPY_IMPORT_ARRAY_RETVAL' was not declared

error: ‘std::_hypot‘ has not been declared using std::hypot；

WeChat development: scope parameter error or no scope permission solution

HK2 failure has been detected in a code that does not run in an active Jersey Error scope

Recommended

The sixth meeting of openKylin Community Ecology Committee was successfully held

Alibaba Cloud officially releases Tongyi Qianwen 2.5

Python 3.13 releases first Beta: experimental free-threading mode and JIT, improved interactive interpreter

Stack Overflow used my code to train large AI models and banned my account.

Pop!_OS’s COSMIC desktop completes App Store listing

Report: Django is still the first choice for 74% of developers

"Internet Investment and Financing Operation in the First Quarter of 2024" Research Report

15 years ago, he was on the "FFmpeg pillar of shame", and today he still has to thank us - Tencent QQPlayer avenges its shame?

Ranking

Python handwritten digit recognition, the corresponding mathematical formulas and Detailed procedures

Der M-Chip-Mac implementiert mehrere Android-Emulatoren

CentOS 명령줄 모드에서 화면이 항상 켜져 있도록 설정 ---- 예상한 효과를 얻지 못했습니다.

Teach you step by step how to use GDB to debug programs: a comprehensive guide from entry to mastery

python3 pip ipython installation

A lot of python crawler source code sharing -- talk about the little thing about python crawler

Agile Sprint in Alpha Stage (7)

Access URL in Unity

FunctoinDemo form

MS SQL common SQL statements (6): create, modify, delete triggers and other operations sq

Daily

2024-05-10(34)

2024-05-09(32)

2024-05-08(18)

2024-05-07(34)

2024-05-06(6)

2024-05-05(0)

2024-05-04(18)

2024-05-03(8)

2024-05-02(0)

2024-05-01(4)