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Image reading method and image distribution method

An image photography and image technology, applied in image communication, nan, instruments, etc., can solve the problems of the maximum communication buffer limit and the difficulty of faithfully reproducing animation images.

Inactive Publication Date: 2006-07-05
MEGACHIPS SYSTEM SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, even with applications that work over HTTP, it is difficult to faithfully reproduce moving images due to the strict limit on the maximum communication buffer size

Method used

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  • Image reading method and image distribution method
  • Image reading method and image distribution method
  • Image reading method and image distribution method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Refer below Figure 2 to Figure 4 Embodiment 1 of the present invention will be described.

[0042] figure 2 is a block diagram of the network camera 1. The network camera 1 includes an imaging sensor 11 , an image processing unit 12 , a communication unit 13 , a memory 14 and a CPU 15 .

[0043]The imaging sensor 11 is composed of an optical lens, a CCD imaging element, and the like, and can capture an image of a subject. The image data output from the imaging sensor 11 is subjected to various image processing in the image processing unit 12 .

[0044] The communication unit 13 has a function of transmitting and receiving data with the Internet 2 . CPU 15 executes various programs stored in memory 14 . The memory 14 stores a WEB service program (not shown in the figure), and the CPU 15 executes the WEB service program, so that the network camera 1 can have a WEB server function.

[0045] image 3 It is a block diagram of the mobile phone terminal 5 . The mobil...

Embodiment 2

[0066] Then refer to Figure 5 to Figure 7 Embodiment 2 of the present invention will be described. In the first embodiment, the mobile phone terminal 5 switches and displays still images, but in the present embodiment, the mobile phone terminal 5 continuously displays a plurality of images.

[0067] Figure 5 is a block diagram of the network camera 1. This network camera 1 has the same structure as the network camera 1 of the first embodiment.

[0068] The difference lies in that the imaging sensor 11 of this embodiment always performs a shooting operation at a predetermined frame rate, and stores the captured images in the memory 14 sequentially. Therefore, the memory 14 of Embodiment 1 does not need a larger area except for the area for storing programs, but the memory 14 of Embodiment 2 needs a buffer area for storing a plurality of frame images.

[0069] As shown in the figure, in this embodiment, M (M is an integer) images B1, B2, . . . BM are stored in the memory 1...

Deformed example 1

[0105] In the first and second embodiments described above, the case where the image acquisition program 61 operates on HTTP has been described. However, the communication protocol operated by the image acquisition program 61 of the present invention is not particularly limited, and HTTP is an example.

[0106] Of course, other communication protocols or separate communication protocols of cellular phone carriers are also applicable to the present invention. Even with other communication protocols, when displaying a still image or playing back a moving image, the connection process of the communication protocol is naturally performed in the background, and the image acquisition program 61 can operate on the communication protocol to acquire a new image. For example, a program called BREW (Binary Runtime Environment for Wireless) that operates on KDDI's mobile phones is also applicable to the present invention.

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Abstract

In step S1, a mobile telephone terminal causes a display unit to display an image A1. In parallel to this step S1, an image acquisition program is executed according to a predetermined schedule and connection between a network camera (1) and an HTTP is established (step S2). Subsequently, in parallel to step S1, an image acquisition program acquires an image A2 from the network camera (1) (step S3). A CPU of the mobile telephone terminal switches the image displayed on the display unit from image A1 to image A2.

Description

technical field [0001] The present invention relates to a technique for obtaining and displaying images captured by a camera on a terminal such as a mobile phone through a network. Background technique [0002] A device called a network camera or a WEB camera is provided with an image pickup sensor and has both a WEB server function and a network function. The image data captured by the image sensor can be distributed to various terminals through a network such as the Internet. [0003] On the other hand, existing mobile phone terminals have a color image display function as well as a network function, and are increasingly used as multimedia terminals. [0004] Therefore, for example, as shown in the following references, there is a service in which images distributed by a network camera can be viewed using a mobile phone terminal. "Internal Network Related Products, Network Camera User Guide", Panasonic Industrial <URL(universal resource locator)http: / / panasonic.co.jp / ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/173G06F13/00H04M1/00H04N21/431H04N21/437H04W4/00H04W88/02
CPCH04N1/00347H04N21/6131H04N21/472H04N21/2187H04N21/41407H04N21/6181H04N5/23206H04N21/43637H04N21/2393H04N23/661
Inventor 住友健介藤原宗
Owner MEGACHIPS SYSTEM SOLUTIONS INC