9f18ef9cd1
Merge in RR/image-prediction from image_representation_metadata to master
Squashed commit of the following:
commit bfe92b24a2959a72c0e913ef051476c01c285ad0
Author: Matthias Bisping <matthias.bisping@iqser.com>
Date: Thu May 12 11:24:12 2022 +0200
updated comment
commit f5721560f3fda05a8ad45d0b5e406434204c1177
Author: Matthias Bisping <matthias.bisping@iqser.com>
Date: Thu May 12 11:16:02 2022 +0200
unskip server predict test
commit 41d94199ede7d58427b9e9541605a94f962c3dc4
Author: Matthias Bisping <matthias.bisping@iqser.com>
Date: Thu May 12 11:15:48 2022 +0200
added hash image encoder that produces representations by hashing
commit 84a8b0a290081616240c3876f8db8a1ae8592096
Merge: 1624ee4 6030f40
Author: Matthias Bisping <matthias.bisping@iqser.com>
Date: Thu May 12 10:18:56 2022 +0200
Merge branch 'master' of ssh://git.iqser.com:2222/rr/image-prediction
commit 1624ee40376b84a4519025343f913120c464407a
Author: Matthias Bisping <Matthias.Bisping@iqser.com>
Date: Mon Apr 25 16:51:13 2022 +0200
Pull request #11: fixed assignment
Merge in RR/image-prediction from image_prediction_service_overhaul_xref_and_empty_result_fix_fix to master
Squashed commit of the following:
commit 7312e57d1127b081bfdc6e96311e8348d3f8110d
Author: Matthias Bisping <matthias.bisping@iqser.com>
Date: Mon Apr 25 16:45:12 2022 +0200
logging setup changed
commit 955e353d74f414ee2d57b234bdf84d32817d14bf
Author: Matthias Bisping <matthias.bisping@iqser.com>
Date: Mon Apr 25 16:37:52 2022 +0200
fixed assignment
25 lines
784 B
Python
25 lines
784 B
Python
from typing import Iterable
|
|
|
|
from PIL import Image
|
|
|
|
from image_prediction.encoder.encoder import Encoder
|
|
|
|
|
|
class HashEncoder(Encoder):
|
|
def encode(self, images: Iterable[Image.Image]):
|
|
yield from map(hash_image, images)
|
|
|
|
def __call__(self, images: Iterable[Image.Image], batch_size=16):
|
|
yield from self.encode(images)
|
|
|
|
|
|
def hash_image(image: Image.Image):
|
|
"""See: https://stackoverflow.com/a/49692185/3578468"""
|
|
image = image.resize((10, 10), Image.ANTIALIAS)
|
|
image = image.convert("L")
|
|
pixel_data = list(image.getdata())
|
|
avg_pixel = sum(pixel_data) / len(pixel_data)
|
|
bits = "".join(["1" if (px >= avg_pixel) else "0" for px in pixel_data])
|
|
hex_representation = str(hex(int(bits, 2)))[2:][::-1].upper()
|
|
return hex_representation
|