talker text image py ros publisher

talker_text_image.py

#!/usr/bin/env python3

import rospy
import cv2
from std_msgs.msg import String
from sensor_msgs.msg import Image
from cv_bridge import CvBridge

bridge = CvBridge() 

def talker():
	pubText  = rospy.Publisher('textROS', String, queue_size=10)
	pubImage = rospy.Publisher('imageROS', Image, queue_size=10)

	imagecv2 = cv2.imread("image.jpg")
	image2pub = bridge.cv2_to_imgmsg(imagecv2, encoding='passthrough') 
	image2pub.header.frame_id      = "image_color_to_publish"

	rospy.init_node('talker', anonymous=True)
	rate = rospy.Rate(10) #1Hz
	while not rospy.is_shutdown():
		hello_str = "%s" % rospy.get_time()
		rospy.loginfo(hello_str)
		pubText.publish(hello_str)
		pubImage.publish(image2pub)
		rate.sleep()

if __name__ == "__main__":
	try:
		talker()
	except rospy.ROSInterruptException:
		pass