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eastmountyxz · web-flow · commit b922f321c0e3 · 2021-08-20T17:39:51.000+08:00
diff --git a/blog44-ImageProcessingSummary/ImageProcessing_21_TX.py b/blog44-ImageProcessingSummary/ImageProcessing_21_TX.py
@@ -0,0 +1,37 @@
+#coding:utf-8
+#By:Eastmount CSDN 2021-08-20
+import cv2
+import math
+import numpy as np
+
+#&#33719;&#21462;&#28388;&#38236;&#39068;&#33394;
+def getBGR(img, table, i, j):
+    #&#33719;&#21462;&#22270;&#20687;&#39068;&#33394;
+    b, g, r = img[i][j]
+    #&#35745;&#31639;&#26631;&#20934;&#39068;&#33394;&#34920;&#20013;&#39068;&#33394;&#30340;&#20301;&#32622;&#22352;&#26631;
+    x = int(g/4 + int(b/32) * 64)
+    y = int(r/4 + int((b%32) / 4) * 64)
+    #&#36820;&#22238;&#28388;&#38236;&#39068;&#33394;&#34920;&#20013;&#23545;&#24212;&#30340;&#39068;&#33394;
+    return lj_map[x][y]
+
+#&#35835;&#21462;&#21407;&#22987;&#22270;&#20687;
+img = cv2.imread('nv.png')
+lj_map = cv2.imread('table.png')
+
+#&#33719;&#21462;&#22270;&#20687;&#34892;&#21644;&#21015;
+rows, cols = img.shape[:2]
+
+#&#26032;&#24314;&#30446;&#26631;&#22270;&#20687;
+dst = np.zeros((rows, cols, 3), dtype="uint8")
+
+#&#24490;&#29615;&#35774;&#32622;&#28388;&#38236;&#39068;&#33394;
+for i in range(rows):
+    for j in range(cols):
+        dst[i][j] = getBGR(img, lj_map, i, j)
+        
+#&#26174;&#31034;&#22270;&#20687;
+cv2.imshow('src', img)
+cv2.imshow('dst', dst)
+
+cv2.waitKey()
+cv2.destroyAllWindows()
