rhod | A High Avalibility framework for Ruby | Application Framework library
kandi X-RAY | rhod Summary
kandi X-RAY | rhod Summary
A Lightweight High Avalibility framework for Ruby, inspired by Hystrix. Korben Dallas: You guard this with your life, or you're gonna look like this guy here! You green? DJ Ruby Rhod: G-green. Korben Dallas: Super green? DJ Ruby Rhod: Super green. Rhod helps you handle failures gracefully, even during a firefight. When your code has to interact with other services, it also means writing code to keep it running in the event of failure. Failures can include exceptions, timeouts, downed hosts, and any number of issues that are caused by events outside of your application.
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QUESTION
I am doing some image processing in python, and need to crop multiple areas within many thousands of images. The pixel coordinate data used to crop the ROI (region of interest) is in an Excel spreadsheet, and arranged as THREE comma seperated values within ONE column. As you can see from this example data, there are multiple ROIs within each image that require cropping.
The three pixel coordinate values in this column are displayed as [x,y,r], with the "x/y" coord values marking the top left hand corner of the square shaped ROI, and the "r" value representing the length of each of the four sides as seen here . Clearly, the way to find the ROI without multiple x/y values for each corner of the box is: "ROI = im[Y:Y+R, X:X+R]", however im struggling to get to this stage.
I have used the pandas.read_excel function to read in the spreadsheet, however im struggling to get any further? Can anyone help please?
Thanks, Rhod
...ANSWER
Answered 2020-Mar-25 at 10:42You can do it like this:
QUESTION
I am doing some image processing in python, and need to crop an area of the image. However, my pixel coordinate data is arranged as three values in one excel column seperated by commas, as follows:
[1345.83,1738,44.26] (i.e. [x,y,r]) - this is exactly how it appears in the excel cell, square brackets and all.
Any idea how I can read this into my script and start cropping images according to the pixel coord values? Is there a function that can seperate them and treat them as three independent values?
Thanks, Rhod
...ANSWER
Answered 2020-Mar-18 at 09:16My understanding is that if you use pandas.read_excel()
, you will get a column of strings in this situation. There's lots of options but here I would do, assuming your column name is xyr
:
QUESTION
I'm trying to develop some code to crop multiple areas within an image. The only info I have is the x/y pixel coordinates of the top left corner of each crop, and the pixel length of each side (this number is uniform as the crops are all perfect squares.
For example, within one image I may have multiple features needing cropping. Here, the first two figures are the x/y coords of the top left corner, and the third is the length of each of the four sides (r) x, y, r
Currently trying to achieve this in skimage, but not getting very far. Sorry if this is unclear, please feel free to ask more Qs.
Ta, Rhod
...ANSWER
Answered 2020-Mar-17 at 13:42Just use Numpy slicing. So if you have:
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