I am doing multi class segmentation using UNet. My input to the model is HxWxC and my output is, Using SparseCategoricalCrossentropy I can train the network fine. Now I would like to also try dice coefficient as the loss function. Implemented as follows, However, I am actually getting an increasing loss inste…
Finding elements unique to each rows in a 2D array
Given a 2D Array (Python List), I need to find a new 1D such that it contains elements unique in each column. For example: should give me for example, [1,-1,0,3,4]. My trials so far: results is a 2D array of size 3 rows and n columns. last is the array which stores the end result, better said the unique value…
Plotly: How to combine scatter and line plots using Plotly Express?
Plotly Express has an intuitive way to provide pre-formatted plotly plots with minimal lines of code; sort of how Seaborn does it for matplotlib. It is possible to add traces of plots on Plotly to get a scatter plot on an existing line plot. However, I couldn’t find such a functionality in Plotly Expres…
threading.Thread.start() method execution time depends on the Thread target method
I am wondering why threading.Thread().start() method execution time is dependent on the Thread’s target method. I assumed that start() method just signalizes system that Thread can execute and does not do any processing. To illustrate this behavior: Results: Why threads start time differs for pass_targe…
I am fetching images and want save images in single pdf file
I am fetching images and want to save images into single pdf file. Below is the code which is creating multiple pdf for multiple images but I want all images should saved into single pdf : Could you please help me to resolve this? Answer Try this:
What’s the difference between an inner class and an inner inner class in python? [duplicate]
This question already has answers here: Short description of the scoping rules? (9 answers) Closed 7 months ago. Shouldn’t field be undefined on line 50? It was my understanding that inner nested classes did not have visibility to outer classes, as I ran into on line 65… Just seems kind of inconsi…
Plot cumulative distribution with networkx and numpy
I want to implement the cumulative distribution for a graph. Here is my code: To plot cumulative I know that I must have at the x-axis the degree and in the y-axis the samples with value > Degree. The result using my code is the following: But the expected result must be something like this: I am not sure …
Occasional deadlock in multiprocessing.Pool
I have N independent tasks that are executed in a multiprocessing.Pool of size os.cpu_count() (8 in my case), with maxtasksperchild=1 (i.e. a fresh worker process is created for each new task). The main script can be simplified to: The pool sometimes gets stuck. The traceback when I do a KeyboardInterrupt is …
Why is nothing drawn in PyGame at all?
i have started a new project in python using pygame and for the background i want the bottom half filled with gray and the top black. i have used rect drawing in projects before but for some reason it seems to be broken? i don’t know what i am doing wrong. the weirdest thing is that the result is differ…
Get type object defined inside doctest by type name
I am trying to doc-test a method that accepts a module object module and a string with the name of the type type_name inside that module : When I am trying to get the type object with getattr (in reality, the method does more than just that), I am getting the error: Is it possible to doc-test this method with…