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diff --git a/python-patchify.spec b/python-patchify.spec new file mode 100644 index 0000000..90671d2 --- /dev/null +++ b/python-patchify.spec @@ -0,0 +1,304 @@ +%global _empty_manifest_terminate_build 0 +Name: python-patchify +Version: 0.2.3 +Release: 1 +Summary: A library that helps you split image into small, overlappable patches, and merge patches back into the original image. +License: MIT +URL: https://github.com/dovahcrow/patchify.py +Source0: https://mirrors.nju.edu.cn/pypi/web/packages/79/b7/1b281a31d8fdbdfc44af2fcb7a0750158e160f3a8c608fcb602e62be24a8/patchify-0.2.3.tar.gz +BuildArch: noarch + +Requires: python3-numpy + +%description +# patchify + +patchfy can split images into small overlappable patches by given patch cell size, and merge patches into original image. + +This library provides two functions: `patchify`, `unpatchify`. + +## Installation +``` +pip install patchify +``` + +## Usage + +### Split image to patches + +`patchify(image_to_patch, patch_shape, step=1)` + +2D image: +```python +#This will split the image into small images of shape [3,3] +patches = patchify(image, (3, 3), step=1) +``` + +3D image: +```python +#This will split the image into small images of shape [3,3,3] +patches = patchify(image, (3, 3, 3), step=1) +``` + +### Merge patches into original image + +`unpatchify(patches_to_merge, merged_image_size)` + +```python +reconstructed_image = unpatchify(patches, image.shape) +``` +This will reconstruct the original image that was patchified in previous code. + +**Caveat**: in order for `unpatchify` to work, you need to create patchies with equal step size. e.g. if the original image has width 3 and the patch has width 2, you cannot really create equal step size patches with step size 2. (first patch [elem0, elem1] and second patch [elem2, elem3], which is out of bound). + +The required condition for unpatchify to success is to have (width - patch_width) mod step_size = 0. + +### Full running examples + +#### 2D image patchify and merge + +```python +import numpy as np +from patchify import patchify, unpatchify + +image = np.array([[1,2,3,4], [5,6,7,8], [9,10,11,12]]) + +patches = patchify(image, (2,2), step=1) # split image into 2*3 small 2*2 patches. + +assert patches.shape == (2, 3, 2, 2) +reconstructed_image = unpatchify(patches, image.shape) + +assert (reconstructed_image == image).all() +``` + +#### 3D image patchify and merge + +```python +import numpy as np +from patchify import patchify, unpatchify + +image = np.random.rand(512,512,3) + +patches = patchify(image, (2,2,3), step=1) # patch shape [2,2,3] +print(patches.shape) # (511, 511, 1, 2, 2, 3). Total patches created: 511x511x1 + +assert patches.shape == (511, 511, 1, 2, 2, 3) +reconstructed_image = unpatchify(patches, image.shape) +print(reconstructed_image.shape) # (512, 512, 3) + +assert (reconstructed_image == image).all() +``` + + +%package -n python3-patchify +Summary: A library that helps you split image into small, overlappable patches, and merge patches back into the original image. +Provides: python-patchify +BuildRequires: python3-devel +BuildRequires: python3-setuptools +BuildRequires: python3-pip +%description -n python3-patchify +# patchify + +patchfy can split images into small overlappable patches by given patch cell size, and merge patches into original image. + +This library provides two functions: `patchify`, `unpatchify`. + +## Installation +``` +pip install patchify +``` + +## Usage + +### Split image to patches + +`patchify(image_to_patch, patch_shape, step=1)` + +2D image: +```python +#This will split the image into small images of shape [3,3] +patches = patchify(image, (3, 3), step=1) +``` + +3D image: +```python +#This will split the image into small images of shape [3,3,3] +patches = patchify(image, (3, 3, 3), step=1) +``` + +### Merge patches into original image + +`unpatchify(patches_to_merge, merged_image_size)` + +```python +reconstructed_image = unpatchify(patches, image.shape) +``` +This will reconstruct the original image that was patchified in previous code. + +**Caveat**: in order for `unpatchify` to work, you need to create patchies with equal step size. e.g. if the original image has width 3 and the patch has width 2, you cannot really create equal step size patches with step size 2. (first patch [elem0, elem1] and second patch [elem2, elem3], which is out of bound). + +The required condition for unpatchify to success is to have (width - patch_width) mod step_size = 0. + +### Full running examples + +#### 2D image patchify and merge + +```python +import numpy as np +from patchify import patchify, unpatchify + +image = np.array([[1,2,3,4], [5,6,7,8], [9,10,11,12]]) + +patches = patchify(image, (2,2), step=1) # split image into 2*3 small 2*2 patches. + +assert patches.shape == (2, 3, 2, 2) +reconstructed_image = unpatchify(patches, image.shape) + +assert (reconstructed_image == image).all() +``` + +#### 3D image patchify and merge + +```python +import numpy as np +from patchify import patchify, unpatchify + +image = np.random.rand(512,512,3) + +patches = patchify(image, (2,2,3), step=1) # patch shape [2,2,3] +print(patches.shape) # (511, 511, 1, 2, 2, 3). Total patches created: 511x511x1 + +assert patches.shape == (511, 511, 1, 2, 2, 3) +reconstructed_image = unpatchify(patches, image.shape) +print(reconstructed_image.shape) # (512, 512, 3) + +assert (reconstructed_image == image).all() +``` + + +%package help +Summary: Development documents and examples for patchify +Provides: python3-patchify-doc +%description help +# patchify + +patchfy can split images into small overlappable patches by given patch cell size, and merge patches into original image. + +This library provides two functions: `patchify`, `unpatchify`. + +## Installation +``` +pip install patchify +``` + +## Usage + +### Split image to patches + +`patchify(image_to_patch, patch_shape, step=1)` + +2D image: +```python +#This will split the image into small images of shape [3,3] +patches = patchify(image, (3, 3), step=1) +``` + +3D image: +```python +#This will split the image into small images of shape [3,3,3] +patches = patchify(image, (3, 3, 3), step=1) +``` + +### Merge patches into original image + +`unpatchify(patches_to_merge, merged_image_size)` + +```python +reconstructed_image = unpatchify(patches, image.shape) +``` +This will reconstruct the original image that was patchified in previous code. + +**Caveat**: in order for `unpatchify` to work, you need to create patchies with equal step size. e.g. if the original image has width 3 and the patch has width 2, you cannot really create equal step size patches with step size 2. (first patch [elem0, elem1] and second patch [elem2, elem3], which is out of bound). + +The required condition for unpatchify to success is to have (width - patch_width) mod step_size = 0. + +### Full running examples + +#### 2D image patchify and merge + +```python +import numpy as np +from patchify import patchify, unpatchify + +image = np.array([[1,2,3,4], [5,6,7,8], [9,10,11,12]]) + +patches = patchify(image, (2,2), step=1) # split image into 2*3 small 2*2 patches. + +assert patches.shape == (2, 3, 2, 2) +reconstructed_image = unpatchify(patches, image.shape) + +assert (reconstructed_image == image).all() +``` + +#### 3D image patchify and merge + +```python +import numpy as np +from patchify import patchify, unpatchify + +image = np.random.rand(512,512,3) + +patches = patchify(image, (2,2,3), step=1) # patch shape [2,2,3] +print(patches.shape) # (511, 511, 1, 2, 2, 3). Total patches created: 511x511x1 + +assert patches.shape == (511, 511, 1, 2, 2, 3) +reconstructed_image = unpatchify(patches, image.shape) +print(reconstructed_image.shape) # (512, 512, 3) + +assert (reconstructed_image == image).all() +``` + + +%prep +%autosetup -n patchify-0.2.3 + +%build +%py3_build + +%install +%py3_install +install -d -m755 %{buildroot}/%{_pkgdocdir} +if [ -d doc ]; then cp -arf doc %{buildroot}/%{_pkgdocdir}; fi +if [ -d docs ]; then cp -arf docs %{buildroot}/%{_pkgdocdir}; fi +if [ -d example ]; then cp -arf example %{buildroot}/%{_pkgdocdir}; fi +if [ -d examples ]; then cp -arf examples %{buildroot}/%{_pkgdocdir}; fi +pushd %{buildroot} +if [ -d usr/lib ]; then + find usr/lib -type f -printf "/%h/%f\n" >> filelist.lst +fi +if [ -d usr/lib64 ]; then + find usr/lib64 -type f -printf "/%h/%f\n" >> filelist.lst +fi +if [ -d usr/bin ]; then + find usr/bin -type f -printf "/%h/%f\n" >> filelist.lst +fi +if [ -d usr/sbin ]; then + find usr/sbin -type f -printf "/%h/%f\n" >> filelist.lst +fi +touch doclist.lst +if [ -d usr/share/man ]; then + find usr/share/man -type f -printf "/%h/%f.gz\n" >> doclist.lst +fi +popd +mv %{buildroot}/filelist.lst . +mv %{buildroot}/doclist.lst . + +%files -n python3-patchify -f filelist.lst +%dir %{python3_sitelib}/* + +%files help -f doclist.lst +%{_docdir}/* + +%changelog +* Wed May 10 2023 Python_Bot <Python_Bot@openeuler.org> - 0.2.3-1 +- Package Spec generated |