Imshow qobject move to thread crrent
Witryna5 lip 2024 · The code is only three lines: import cv2 im = cv2.imread ('1.jpg') cv2.imshow ("image",im) But I get this error: QObject::moveToThread: Current thread … WitrynaUnlike processes, threads share the same address space. The following diagram shows how the building blocks of threads are located in memory. Program counter and registers of inactive threads are typically kept in kernel space. There is a shared copy of the code and a separate stack for each thread. If two threads have a pointer to the same ...
Imshow qobject move to thread crrent
Did you know?
WitrynaQt的官方文档如下:. void QObject::moveToThread ( QThread * targetThread ) Changes the thread affinity for this object and its children. The object cannot be moved if it has a parent. Event processing will continue in the targetThread. 首先,这个耗时操作需在QObject的子类中实现,并且该QObject的parent为0。. 下面 ... WitrynaPython OpenCV "Current thread not object' s thread"on imshow 标签 python opencv image-processing pip qobject 当我尝试在 Python 中使用 opencv 读取和显示图像时遇到分割错误。 我安装使用: pip3 install opencv-contrib-python 代码只有三行: import cv 2 im = cv 2 .imread (' 1 .jpg') cv2 .imshow ( "image" ,im) 但是我得到这个错误:
Witryna5 mar 2024 · QObject::moveToThread: Current thread (0x1d2c9cf0) is not the object's thread (0x1d347b20). Cannot move to target thread (0x1d2c9cf0) Matplotlibがインストールされた新しいconda環境を準備したことを強調します。 Opencvは次のようにpdaによってconda envにインストールされました pip install opencv-python opencv … Witryna17 maj 2024 · QObject::moveToThread:Current thread is not the object`s thread. Cannot move to target thread. 大部分说法说,主要问题为opencv-python版本问题, …
Witryna28 sty 2024 · provide object files for the closed-source parts that a user would be able to link (statically) with a modified (static) Qt, as well as instructions on how to do this, in … Witryna14 cze 2024 · QObject::moveToThread: Current thread (0x55c07be39a60) is not the object's thread (0x55c07c164490). Cannot move to target thread …
WitrynaIsnt it just the worst when you find someone else on the internet who has the exact same problem as you. Well at least you didn't post that you found an answer and the thread got nuked, did you ever find a solution? This doesn't crash for me but im still not getting any output . QT_QPA_PLATFORM=offscreen
Witryna11 sty 2024 · The moveToThread function tells QT that any slots need to be executed in the new thread rather than in the thread they were signaled from. (edit: Actually, I now remember it defaults to the tread the object was created in) Also, if you do the work in your process class from the constructor it will not run in the new thread either. solvent black 27 manufacturers in indiaWitryna5 sty 2024 · import cv2 cv2.namedWindow ("output", cv2.WINDOW_NORMAL) cv2.imshow ("output",im) cv2.resizeWindow ('output', 400,400) cv2.waitKey (0) cv2.destroyAllWindows () Tôi có lỗi là QObject::moveToThread: Current thread (0x1d2c9cf0) is not the object's thread (0x1d347b20). Cannot move to target thread … solvent based vs water based paver sealerWitryna21 gru 2015 · Use threading to obtain higher FPS The “secret” to obtaining higher FPS when processing video streams with OpenCV is to move the I/O (i.e., the reading of frames from the camera sensor) to a separate thread. You see, accessing your webcam/USB camera using the cv2.VideoCapture function and the .read () method is … solvent based wood stainWitryna14 maj 2024 · 1. Make sure you do not assign a parent to your worker QObject, not even the QThread. Otherwise the worker will run on the parent's thread, which usually is … solvent biology pictureWitryna23 cze 2024 · The library has a problem in dealing with Qt objects when it tries to move from a thread to another, which causes a crash with an exit code (139). here is the … solvent based wood primerWitryna3 gru 2024 · First, uninstall any versions of OpenCV you may have installed. If you installed using pip: sudo pip uninstall opencv-python Next, try installing OpenCV using your Linux distro's package manager. For Ubuntu/Debian, this is: sudo apt-get install libopencv-dev python-opencv solvent bath tankWitrynaBy default, a QObject lives in the thread in which it is created. An object's thread affinity can be queried using thread () and changed using moveToThread (). All QObjects must live in the same thread as their parent. Consequently: setParent () will fail if the two QObjects involved live in different threads. solvent brown 20