From 4ed4364b14ded50109913a5dcf668b9d2ea9dbb8 Mon Sep 17 00:00:00 2001
From: 2505140092 <2505140092@student.edu.cn>
Date: Thu, 16 Apr 2026 15:58:38 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C?=
MIME-Version: 1.0
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---
 lx1 | 22 ++++++++++++++++++++++
 lx2 | 11 +++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 lx1
 create mode 100644 lx2

diff --git a/lx1 b/lx1
new file mode 100644
index 0000000..1eb4b98
--- /dev/null
+++ b/lx1
@@ -0,0 +1,22 @@
+import numpy as np
+
+image = np.array([
+    [100, 150, 200],
+    [80,  120, 180],
+    [60,  90,  140]
+], dtype=np.uint8)
+
+print("原图：")
+print(image)
+
+image_dark = image - 20
+print("变暗20: ")
+print(image_dark)
+
+image_crop = image[0:2, 0:2]
+print("裁剪左上角: ")
+print(image_crop)
+
+image_flip = np.fliplr(image)
+print("水平翻转: ")
+print(image_flip)
\ No newline at end of file
diff --git a/lx2 b/lx2
new file mode 100644
index 0000000..4a6cfb0
--- /dev/null
+++ b/lx2
@@ -0,0 +1,11 @@
+import numpy as np
+
+img = np.array([
+    [255, 255, 0,   0  ],
+    [255, 255, 0,   0  ],
+    [0,   0,   255, 255],
+    [0,   0,   255, 255]
+], dtype=np.uint8)
+
+white_count = np.sum(img == 255)
+black_count = np.sum(img == 0)