ڧg/ ~ d dl Z d dlmZ d dlmZmZmZmZmZ d dl m
Z
ddl m Z m
Z
mZ ddlmZ G d d e ZdS )
N)Path)AnyCallableOptionalTupleUnion)Image )check_integrity download_and_extract_archive download_url)
VisionDatasetc e Zd ZdZdZdZdZ ddeee f de
e d e
e d
e d df
fd
Z
d
ed eeef fdZd efdZd e fdZddZ xZS )SBUa `SBU Captioned Photo `_ Dataset.
Args:
root (str or ``pathlib.Path``): Root directory of dataset where tarball
``SBUCaptionedPhotoDataset.tar.gz`` exists.
transform (callable, optional): A function/transform that takes in a PIL image
and returns a transformed version. E.g, ``transforms.RandomCrop``
target_transform (callable, optional): A function/transform that takes in the
target and transforms it.
download (bool, optional): If True, downloads the dataset from the internet and
puts it in root directory. If dataset is already downloaded, it is not
downloaded again.
zHhttps://www.cs.rice.edu/~vo9/sbucaptions/SBUCaptionedPhotoDataset.tar.gzz SBUCaptionedPhotoDataset.tar.gz 9aec147b3488753cf758b4d493422285NTroot transformtarget_transformdownloadreturnc V t ||| |r| | st d g | _ g | _ t j | j
dd }t j | j
dd }t t | t | D ]\ }}|
} t j | }
t j | j
d|
} t j | rH|
} | j |
| j | d S )N)r r zHDataset not found or corrupted. You can use download=True to download itdataset$SBU_captioned_photo_dataset_urls.txtz(SBU_captioned_photo_dataset_captions.txt)super__init__r _check_integrity RuntimeErrorphotoscaptionsospathjoinr zipopenrstripbasenameexistsappend)selfr r r r file1file2line1line2urlphotofilenamecaption __class__s T/var/www/html/ai-engine/env/lib/python3.11/site-packages/torchvision/datasets/sbu.pyr z SBU.__init__ s` EUVVV MMOOO$$&& k ijj j
TY 3YZZ TY 3]^^ U T%[[ 9 9 . .LE5,,..CG$$S))Ew||DIy%@@Hw~~h''
. ,,.. ""5)))
$$W--- . . indexc D t j | j d| j | }t j | d }| j | | }| j | }| j
|
| }||fS )z
Args:
index (int): Index
Returns:
tuple: (image, target) where target is a caption for the photo.
r RGB) r r! r" r r r r$ convertr r r )r) r5 r0 imgtargets r3 __getitem__zSBU.__getitem__= s 7<< 9dk%6HIIj""**511 > %..%%C u% ,**622FF{r4 c * t | j S )z$The number of photos in the dataset.)lenr )r) s r3 __len__z SBU.__len__P s 4; r4 c | j }t j || j }t || j sdS dS )z1Check the md5 checksum of the downloaded tarball.FT)r r r! r" r0 r md5_checksum)r) r fpaths r3 r zSBU._check_integrityT s? y T4=11 ud&788 5tr4 c | rt d dS t | j | j | j | j | j t t j
| j dd 5 }|D ]Z}| } t |t j
| j d K# t $ r Y Ww xY w ddd dS # 1 swxY w Y dS )zEDownload and extract the tarball, and download each individual photo.z%Files already downloaded and verifiedNr r )r printr r. r r0 r@ r$ r r! r" r% r
OSError)r) fhliner. s r3 r z SBU.download\ sB " " 9 : : : F$TXty$)T]TXTefff "',,ty)5[\\
]
] ac
kkmm bgll49i&H&HIIII D
s6 C1 3CC1
C C1 C C11C58C5)NNT)r N)__name__
__module__ __qualname____doc__r. r0 r@ r strr r r boolr intr r r; r> r r
__classcell__)r2 s @r3 r r s UC0H5L
)-/3 . .CI . H% . #8, .
.
. . . . . .> sCx & $ r4 r )r pathlibr typingr r r r r PILr utilsr r r
visionr r r4 r3 rU s 8 8 8 8 8 8 8 8 8 8 8 8 8 8 N N N N N N N N N N ! ! ! ! ! !c c c c c- c c c c cr4