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fix: cv2.Mat typing annotations

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This commit is contained in:
283375
2023-10-23 13:29:17 +08:00
parent cf46bf7a59
commit f2f854040f
10 changed files with 85 additions and 76 deletions
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16
src/arcaea_offline_ocr/phash_db.py
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@ -4,9 +4,11 @@ from typing import List, Union
import cv2
import numpy as np
from .types import Mat
def phash_opencv(img_gray, hash_size=8, highfreq_factor=4):
# type: (Union[cv2.Mat, np.ndarray], int, int) -> np.ndarray
# type: (Union[Mat, np.ndarray], int, int) -> np.ndarray
"""
Perceptual Hash computation.
@ -76,7 +78,7 @@ class ImagePhashDatabase:
self.jacket_ids.append(id)
self.jacket_hashes.append(hash)
def calculate_phash(self, img_gray: cv2.Mat):
def calculate_phash(self, img_gray: Mat):
return phash_opencv(
img_gray, hash_size=self.hash_size, highfreq_factor=self.highfreq_factor
)
@ -89,11 +91,11 @@ class ImagePhashDatabase:
]
return sorted(xor_results, key=lambda r: r[1])[:limit]
def lookup_image(self, img_gray: cv2.Mat):
def lookup_image(self, img_gray: Mat):
image_hash = self.calculate_phash(img_gray)
return self.lookup_hash(image_hash)[0]
def lookup_jackets(self, img_gray: cv2.Mat, *, limit: int = 5):
def lookup_jackets(self, img_gray: Mat, *, limit: int = 5):
image_hash = self.calculate_phash(img_gray).flatten()
xor_results = [
(id, np.count_nonzero(image_hash ^ h))
@ -101,10 +103,10 @@ class ImagePhashDatabase:
]
return sorted(xor_results, key=lambda r: r[1])[:limit]
def lookup_jacket(self, img_gray: cv2.Mat):
def lookup_jacket(self, img_gray: Mat):
return self.lookup_jackets(img_gray)[0]
def lookup_partner_icons(self, img_gray: cv2.Mat, *, limit: int = 5):
def lookup_partner_icons(self, img_gray: Mat, *, limit: int = 5):
image_hash = self.calculate_phash(img_gray).flatten()
xor_results = [
(id, np.count_nonzero(image_hash ^ h))
@ -112,5 +114,5 @@ class ImagePhashDatabase:
]
return sorted(xor_results, key=lambda r: r[1])[:limit]
def lookup_partner_icon(self, img_gray: cv2.Mat):
def lookup_partner_icon(self, img_gray: Mat):
return self.lookup_partner_icons(img_gray)[0]