G

G

Author: marchboy

.vscode/settings.json

@@ -1,2 +1,4 @@
 {
+    "python.pythonPath": "/usr/local/anaconda/bin/python",
+    "python.formatting.provider": "autopep8"
 }

.vscode/tasks.json

@@ -6,12 +6,8 @@
         {
             "label": "Run File",
             "command": "${config:python.pythonPath} ${file}",
-            // "command": "python ${file}",
             "type": "shell",
-            "group": {
-                "kind": "build",
-                "isDefault": true
-            },
+            "group": "build",
             "presentation": {
                 "reveal": "always",
                 "panel": "new",
@@ -20,10 +16,11 @@
         },
         {
             "label": "nosetest",
-            "command": "nosetests -v",
+            // "command": "nosetests -v",
+            "command": "${config:python.pythonPath} ${file}",
             "type": "shell",
             "group": {
-                "kind": "test",
+                "kind": "build",
                 "isDefault": true
             },
             "presentation": {

DL_TensorFlow/ch1_tensorflow_intro.py

@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+
+import tensorflow as tf
+
+hello = tf.constant("Hello Tensorflow")
+sess = tf.Session()
+cont =  sess.run(hello)
+print(cont)
+sess.close()
+
+
+a = tf.constant(3)
+b = tf.constant(4)
+with tf.Session() as sess:
+    res = sess.run(a+b)
+print(res)
+
+
+# 演示注入机制
+a = tf.placeholder(tf.int16)
+b = tf.placeholder(tf.int16)
+add = tf.add(a, b)
+mul = tf.multiply(a, b)
+
+with tf.Session() as sess:
+    print("add: {}".format(sess.run(add, feed_dict={a:3, b:4})))
+    print("mul: {}".format(sess.run(mul, feed_dict={a:5, b:9})))
+    # 使用注入机制获取节点
+    print(sess.run([mul, add], feed_dict={a:5, b:3}))

DL_TensorFlow/ch2_tensorflow_intr.py

@@ -0,0 +1,49 @@
+#!usr/bin/env python
+# -*- coding:utf -8-*-
+# Author: jinjun.gui
+# Date: 2019-03-07
+
+
+import cv2 as cv 
+import numpy as np
+
+# recognizer = cv2.face.LBPHFaceRecognizer_create()
+detector = cv.CascadeClassifier('haarcascade_frontalface_default.xml')
+cap = cv.VideoCapture(0)
+# 从摄像头获取到图像
+ret, img = cap.read()
+# 展示图片,第一个参数表示窗口名称,第二个是要展示的图片.
+cv.imshow('windowname', img)
+# 停留展示界面,6000毫秒,0表示一直停留着.
+cv.waitKey(3000)
+# 释放摄像头资源
+cap.release()
+# 将图片先转换为灰度图片
+gray = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
+print(gray)
+faces = detector.detectMultiScale(gray, 1.3, 5)
+print(faces)
+
+for (x, y, w, h) in faces:
+    cv.rectangle(img, (x,y), (x+w, y+h), (255, 0, 0), 2)
+
+
+
+
+# detector = cv.CascadeClassifier('haarcascade_frontalface_default.xml')
+# cap = cv.VideoCapture(0)
+
+# while True:
+#     ret, img = cap.read()
+#     gray = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
+#     faces = detector.detectMultiScale(gray, 1.3, 5)
+#     for (x, y, w, h) in faces:
+#         cv.rectangle(img, (x, y), (x + w, y + h), (255, 0, 0), 2)
+
+#     cv.imshow('frame', img)
+#     if cv.waitKey(1) & 0xFF == ord('q'):
+#         break
+
+
+# cap.release()
+# cv.destroyAllWindows()