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johnnychen94
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Aug 3, 2021
| are some justified reasons, it is a bad practice to write codes like `img .= img ./ 255` or | ||
| `im2double(img)` variants. | ||
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| ## Consistant usage of 0-1 range |
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| ## Consistant usage of 0-1 range | |
| ## Consistent usage of 0-1 range |
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| ## Consistant usage of 0-1 range | ||
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| The rule of thumb in JuliaImages is that we consistantly treat all colors in a 0-1 range |
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I've noticed one exception: in ImageView, grayscale 16-bit images still generally have to dynamically scale the contrast. It's a bit frusturating but I don't know of a good workaround.
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Currently, the only color types that can be considered normalized in the range [0,1] are AbstractRGB and AbstractGray. Considering other color types such as HSV and Lab, this sentence is somewhat misleading.
| macros. Don't overuse macros only for convenient purposes. | ||
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| Specifically, MacroTools.jl and other macro packages that aims to provide extended syntaxes are | ||
| delibrately not used; they are powerful but it makes the code a lot harder to understand. |
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| various array types (e.g., `Array`, `OffsetArray`). There are more array types than you could have | ||
| know. To make the codes more reliable and usable, it is recommended to code in a generic way. |
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| various array types (e.g., `Array`, `OffsetArray`). There are more array types than you could have | |
| know. To make the codes more reliable and usable, it is recommended to code in a generic way. | |
| various array types (e.g., `Array`, `OffsetArray`). There are more array types than you can anticipate. | |
| To make the codes more reliable and usable, it is recommended to code in a generic way. |
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| codes are written generally. With that check list passed, it's highly likely that your code works | ||
| seamless with the JuliaImages ecosystem. |
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| codes are written generally. With that check list passed, it's highly likely that your code works | |
| seamless with the JuliaImages ecosystem. | |
| codes are written generally. With that check list passed, it's quite likely that your code will work | |
| seamlessly with the JuliaImages ecosystem. |
| ## Keep small dependency | ||
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| Images.jl is an out-of-box solution for users of JuliaImages ecosystem. However, if you're | ||
| developing image processing packages, you should instead depends on the more lightweight |
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| developing image processing packages, you should instead depends on the more lightweight | |
| developing image processing packages, you should instead depend on the more lightweight |
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| Various functions have their own limitations, so by no means your function should pass all the | ||
| checklist. |
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| Various functions have their own limitations, so by no means your function should pass all the | |
| checklist. | |
| We recommend several specific kinds of tests, although not all will be applicable in all cases: |
| - axes agnostic check: `Array` and `OffsetArray`(e.g., `OffsetArray.centered(img)`) are good test | ||
| candidates. | ||
| - dimension agnostic check: make sure your function accepts `Vector`, `Matrix` and `Array{T, 3}` | ||
| inputs. For some function, 0-dimensional array (e.g., `x=zeros(); x[]=1.0`) is also worth testing. |
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| inputs. For some function, 0-dimensional array (e.g., `x=zeros(); x[]=1.0`) is also worth testing. | |
| inputs. For some functions, 0-dimensional array (e.g., `x=zeros(); x[]=1.0`) is also worth testing. |
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| ## API specification | ||
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| Because there are various algorithms to do one single task, we recommend the verb+noun+how API most |
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| Because there are various algorithms to do one single task, we recommend the verb+noun+how API most | |
| Because there are various algorithms to do one single task, we recommend the verb+noun+how API for most |
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| ## If possible, implement the in-place version | ||
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| Many image processing algorithms admits a filter property: that it accepts an image (or series of |
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| Many image processing algorithms admits a filter property: that it accepts an image (or series of | |
| Many image processing algorithms admit a filter property: that it accepts an image (or series of |
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We need a style guide and performance guide for so long. This PR is currently a very very early draft and is far away from complete. It's not even readable but I figure I should open a PR to get some discussions and ideas.
This PR is expected to be a long run so I won't rush to merge it. I'll instead add and tweak the words when I have more ideas. Also feel free to directly modify this branch.
Some of the contents come from my maintenance experiences, and some come from other related issues:
exposure.jl) Images.jl#772