Download “Anaconda” with Python 3.6 and install it. [image] The World's Most Popular Data Science Platform | Anaconda Anaconda is the birthplace of Python data science. We are a movement of data scientists, data-driven enterprises, and open source communities. M…

[image] Theo: PYTHONPATH which is pointing to %CVB%Lib I think PYTHONPATH should instead be pointing at %CVB%Lib/Python Update (18. 10. 2018): PYTHONPATH is not required anymore, see above!

Setup Hints Hi, it has been a while since the last post. However meanwhile many features were added to CVBpy. [image] guest24: PYTHONPATH should instead be pointing at %CVB%Lib/Python That is right, but sometimes setting the python path is not enough. In such a case you may manually copy the…

Loading and Saving Images Let’s start simple load an image from disk. Get some properties from it and save it back to a different name and location. Add the main module to your script. import cvb Load an image that comes with a standard installation. Note: lower case allows your script to run…

Loading Image Stream Sources Loading images from disk is fine. [image] Andreas: Loading and Saving Images However, usually you will deal with live images from stream. A stream can either be a streming device like a camera, or a video (form disk) or a emulated stream composed from single imag…

Acquire from a Camera This is very simelar to the things shown above. [image] Andreas: Loading Image Stream Sources load the device. This will open the first configured GenICam device. vin_device = cvb.DeviceFactory.open(cvb.install_path() + "/drivers/GenICam.vin") stream = vin_device.stre…

Configure a Device with the GenApi Usually you will have to configure some things in a camera before the image fits your needs. Sometimes you might even have a lot of cameras which all need the same settings applied automatically. Here comes how you can script it. Open your device as described abo…

Live Node Map in a REPL Console A very nice python feature is that it can be run in a REPL Console. Which means you can interactively enter instruction and see them evaluated (ReadEvalPrintLoop). Ipython is one way to lunch such a console. Usually it also provides code completion and easy access to…

Image Processing and Pixel Access Image acquisition is fine, but rather useless on it’s own, so how to do image processing with CVBpy? First I recommend to have a look at the foundation package which provides many standard processing algorithms. import cvb.foundation However there are valid use c…

Rendering the Image When testing a image processing algorithms we usually want to see the result rendered in some sort of UI as verifying pixel one by one is cumbersome work.We are lucky that this can be done easily through numpy using pyplot. import matplotlib.pyplot as plt ... plt.imshow(np_image…

Lifetime and Ownership If you are using the numpy interface, as described above, it is especially important to keep track of the buffer ownership. [image] Andreas: Image Processing and Pixel Access Of course lifetime and ownership is always important for reliable safe software. Unfortunately…

Getting Started with CVBpy

Programming Questions Python API

Andreas Split this topic March 8, 2019, 7:14am 17

3 posts were split to a new topic: Setting Exposure Time via Node Map

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CVBPy on Linux (Ubuntu 16.04) Python API genicam	14	2255	March 8, 2018
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Getting Started with CVBpy

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