PC から ssh -X 接続
起動メッセージで，-X 接続に対する部分：
<![CDATA[The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.]]>
$ source ./venv/bin/activate
(venv) $ cd ~/Tensorflow-YOLOv3
(venv) $ vi detect_webcam.py
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<![CDATA[#!/usr/bin/env python
##### モデル tiny YOLO の設定 #################
from core.utils import load_class_names, load_image, draw_boxes, draw_boxes_frame
from core.yolo_tiny import YOLOv3_tiny
from core.yolo import YOLOv3
# object のクラス
class_names, n_classes = load_class_names()
iou_threshold = 0.1
confidence_threshold = 0.25
model = YOLOv3_tiny(n_classes=n_classes, iou_threshold=iou_threshold, confidence_threshold=confidence_threshold)
import tensorflow as tf
inputs = tf.placeholder(tf.float32, [1, *model.input_size, 3])
detections = model(inputs)
saver = tf.train.Saver(tf.global_variables(scope=model.scope))
##### START ##########################
import cv2
import sys
with tf.Session() as sess:
# モデル tiny YOLO の読み込み
saver.restore(sess, './weights/model-tiny.ckpt')
# カメラ映像の読み込み
# カメラの番号：0
cap = cv2.VideoCapture(0)
while True:
ret, frame = cap.read()
# ヨコ,タテ
frame_size = (frame.shape[1], frame.shape[0])
resized_frame = cv2.resize(frame, dsize=tuple((x) for x in model.input_size[::-1]), interpolation=cv2.INTER_NEAREST)
result = sess.run(detections, feed_dict={inputs: [resized_frame]})
#カメラ映像の表示
draw_boxes_frame(frame, frame_size, result, class_names, model.input_size)
cv2.imshow('frame', frame)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
#カメラキャプチャを停止
cap.release()
#ストリーミングウインドを閉じる
cv2.destroyAllWindows()
#プログラムを終了
sys.exit()]]>
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(venv) $ chmod +x detect_webcam.py
(venv) $ ./detect_webcam.py
<![CDATA[2021-05-16 10:32:40.455671:
E tensorflow/core/platform/hadoop/hadoop_file_system.cc:132]
HadoopFileSystem load error: libhdfs.so:
cannot open shared object file: No such file or directory
WARNING:tensorflow:From ./detect_webcam.py:20:
The name tf.placeholder is deprecated.
Please use tf.compat.v1.placeholder instead.
WARNING:tensorflow:From /home/pi/Tensorflow-YOLOv3/core/yolo_tiny.py:76:
The name tf.variable_scope is deprecated.
Please use tf.compat.v1.variable_scope instead.
WARNING:tensorflow:From /home/pi/Tensorflow-YOLOv3/core/layers.py:25:
The name tf.layers.Conv2D is deprecated.
Please use tf.compat.v1.layers.Conv2D instead.
WARNING:tensorflow:From /home/pi/Tensorflow-YOLOv3/core/layers.py:34:
The name tf.layers.BatchNormalization is deprecated.
Please use tf.compat.v1.layers.BatchNormalization instead.
WARNING:tensorflow:From /home/pi/Tensorflow-YOLOv3/core/layers.py:41:
The name tf.layers.MaxPooling2D is deprecated.
Please use tf.compat.v1.layers.MaxPooling2D instead.
WARNING:tensorflow:From /home/pi/Tensorflow-YOLOv3/core/layers.py:97:
The name tf.image.resize_nearest_neighbor is deprecated.
Please use tf.compat.v1.image.resize_nearest_neighbor instead.
WARNING:tensorflow:From ./detect_webcam.py:23:
The name tf.train.Saver is deprecated.
Please use tf.compat.v1.train.Saver instead.
WARNING:tensorflow:From ./detect_webcam.py:23:
The name tf.global_variables is deprecated.
Please use tf.compat.v1.global_variables instead.
WARNING:tensorflow:From ./detect_webcam.py:26:
The name tf.Session is deprecated.
Please use tf.compat.v1.Session instead.
（カメラ映像の Xウィンドウが開く）]]>
 エラーメッセージおよび WARNING が返されるタイミング
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