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Weitere Anpassungen für Tritanopie

Anders als bei den anderen Fehlsichtigkeiten ist ein Überlauf des Wertebereichs möglich. Somit werden Werte, die 255 überschreiten standardmäßig auf diesen Maximalwert gesetzt.
master
Max Sponsel 3 years ago
parent
commit
31ed0825c3
3 changed files with 12 additions and 6 deletions
  1. 1
    1
      Code/Dyschromasie.py
  2. 11
    5
      Code/Farbaenderung.py
  3. BIN
      Code/__pycache__/Farbaenderung.cpython-38.pyc

+ 1
- 1
Code/Dyschromasie.py View File

#Multiplikation der einzelnen Pixel #Multiplikation der einzelnen Pixel
for i in range(rows): for i in range(rows):
for j in range(cols): for j in range(cols):
cb_image[i,j] = T_reversed.dot(S_p).dot(T).dot(cb_image[i,j])
cb_image[i,j] = T_reversed.dot(S_t).dot(T).dot(cb_image[i,j])
sim_image = np.copy(cb_image) sim_image = np.copy(cb_image)
sim_image = sim_image.astype('uint8') sim_image = sim_image.astype('uint8')

+ 11
- 5
Code/Farbaenderung.py View File

import numpy as np import numpy as np
import cv2 import cv2
def gammaCorrection(v): def gammaCorrection(v):
if v <= 0.04045 * 255: if v <= 0.04045 * 255:
return (v / 255) / 12.92 return (v / 255) / 12.92
if abs(v_reverse) <= 0.0031308: if abs(v_reverse) <= 0.0031308:
return round(255 * (12.92 * abs(v_reverse))) return round(255 * (12.92 * abs(v_reverse)))
elif abs(v_reverse) > 0.0031308: elif abs(v_reverse) > 0.0031308:
return round(255 * (1.055 * abs(v_reverse) ** 0.41666 - 0.055))
if (round(255 * (1.055 * abs(v_reverse) ** 0.41666 - 0.055))) > 255:
return 255
else:
return round(255 * (1.055 * abs(v_reverse) ** 0.41666 - 0.055))
class Dyschromasie: class Dyschromasie:
cb_image = np.array([]).astype('float64') cb_image = np.array([]).astype('float64')
sim_image = np.array([]).astype('uint8') sim_image = np.array([]).astype('uint8')
def __init__(self, img_mat=np.array([]), rows=0, cols=0, kanaele=0,sim_faktor=0, sim_kind='d'):
def __init__(self, img_mat=np.array([]), rows=0, cols=0, kanaele=0, sim_faktor=0, sim_kind='d'):
self.rows = rows self.rows = rows
self.cols = cols self.cols = cols
self.kanaele = kanaele self.kanaele = kanaele
for x in range(3): for x in range(3):
self.cb_image[i, j, x] = gammaCorrection(self.img_mat[i, j, x]) self.cb_image[i, j, x] = gammaCorrection(self.img_mat[i, j, x])
rechen_Mat = np.copy(self.T_reversed.dot(sim_mat).dot(self.T))
print(rechen_Mat)
# Einzelne Pixelwertberechnung # Einzelne Pixelwertberechnung
for i in range(self.rows): for i in range(self.rows):
for j in range(self.cols): for j in range(self.cols):
self.cb_image[i, j] = self.T_reversed.dot(sim_mat).dot(self.T).dot(self.cb_image[i, j])
self.cb_image[i, j] = rechen_Mat.dot(self.cb_image[i, j])
self.sim_image = np.copy(self.cb_image) self.sim_image = np.copy(self.cb_image)
self.sim_image = self.sim_image.astype('uint8') self.sim_image = self.sim_image.astype('uint8')
for x in range(3): for x in range(3):
self.sim_image[i, j, x] = reverseGammaCorrection(self.cb_image[i, j, x]) self.sim_image[i, j, x] = reverseGammaCorrection(self.cb_image[i, j, x])
print(self.img_mat[78, 86])
print(self.sim_image[78, 86])
return self.sim_image return self.sim_image

BIN
Code/__pycache__/Farbaenderung.cpython-38.pyc View File


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