JP4763752B2 - Mobile device - Google Patents

Description

  The present invention relates to a mobile terminal in a video distribution system for distributing a video obtained by imaging a monitoring target to a mobile terminal related to the monitoring target.

  2. Description of the Related Art Conventionally, a video distribution system using a mobile terminal is a system that uses a mobile terminal to view a video obtained by capturing an object of interest using an imaging device.

  FIG. 5 is a diagram illustrating a configuration of a conventional video distribution system (not related to a known document). The conventional video distribution system includes an imaging device 501, a storage server 502, and a portable terminal 503.

  An imaging device 501 is installed at a place where viewing is desired in advance, and images are always taken, and a video signal is transmitted to the storage server 502 via a communication network. Since the video stored in the storage server 502 can be viewed by operating the mobile terminal 503, the imaging range can be viewed from the mobile terminal as needed.

  FIG. 6 shows an example of a clear video imaged by the imaging device 501 and stored in the storage server 502, and FIG. 7 shows a display 701 displayed on the portable terminal 503 in FIG. Assume that the person displayed at the right end in FIG. 6 is 601 and the person displayed at the right end of the video displayed on the display 701 in FIG. At the time when it is stored in the storage server 502 of FIG. 5, the video is displayed in a size that can be confirmed by the person 601 from FIG. However, when actually viewing on a mobile terminal, it is barely understood that there is a person 702 from FIG. 7, and it can be said that the video is too small to confirm that person. . FIG. 7 shows a portion where most of the video is unnecessary for viewing the displayed person 702.

  As described above, in the conventional technology, the video captured by the imaging device is displayed on the mobile terminal. However, since the display of the mobile terminal is small and the number of pixels is small, when the user views the video captured by the imaging device, Even if the video is appropriate, when viewed on a mobile terminal, the necessary part may be displayed unclearly, and it is impossible to grasp the details of the necessary part.

  An object of the present invention is to provide a mobile terminal in a video distribution system capable of clearly displaying a necessary part to be viewed on the mobile terminal.

  The present invention is a portable terminal that displays an image received from a storage and distribution device on a display, and specifies a display size of the portable terminal on the basis of means for specifying a plurality of images and the specified plurality of pieces of image information. A portable terminal comprising: means for converting an image into a size divided into the number of display frames, and receiving from the storage / delivery device an image obtained by combining the converted images into one screen.

  The present invention is a portable terminal that displays an image received from a storage and delivery device on a display, means for designating a plurality of arbitrary positions and ranges of the displayed image, and image information of the designated plurality of positions and ranges Is converted to a size obtained by dividing the display size of the mobile terminal into a specified number of display frames based on the image information of the specified plurality of positions and ranges, and the converted image A portable terminal comprising: means for receiving from the storage / delivery device an image having a single screen, and means for displaying the received single-screen image on the display.

  In the above description, the present invention is the video display method of the mobile terminal in the video distribution system, wherein the arbitrary position and range of the video are specified by operating a display frame.

  ADVANTAGE OF THE INVENTION According to this invention, the portable terminal in the video delivery system which can display clearly the required part which wants to view with a portable terminal can be obtained.

  Embodiments of the present invention will be described below with reference to FIGS. 1, 2, 3, 4, 7, 8, and 9.

  FIG. 1 is a diagram showing a video distribution system according to an embodiment of the present invention. The camera 101, the Web encoder 102, the storage / delivery server 103, the conversion server 104, and the mobile terminal 105 are configured. An image captured by the camera 101 is distributed to the storage / delivery server 103 by the Web encoder 102. The image stored in the storage / delivery server 103 is distributed to the conversion server 104, the image is converted into an image for the portable terminal by the conversion server 104, the converted image is distributed to the portable terminal 105, and the image is displayed on the display of the portable terminal 105. indicate.

  The configuration of the conversion server 104 of the video distribution system according to the embodiment of the present invention will be described with reference to FIG. Reference numeral 401 denotes a CPU (Central Processing Unit), 402 denotes a storage device, 403 denotes a memory, 404 denotes an image conversion unit, 405 denotes a communication interface, 406 denotes a command analysis unit, and 407 denotes a bus. The CPU 401 is connected to a storage device 402, a memory 403, an image conversion unit 404, a communication interface 405, and a command analysis unit 406 via a bus 407.

  The image request command transmitted from the portable terminal 105 (FIG. 1) is analyzed by the command analysis unit 406 through the communication interface 405. Next, the specified image, which is the analysis result of the command analysis unit 406, is requested to the storage / delivery server 103 (FIG. 1) through the communication interface 405. The corresponding image that has passed through the communication interface 405 from the storage / delivery server 103 is stored in the memory 403. The image stored in the memory 403 is converted by the image conversion unit 404 and stored in the storage device 402. The image stored in the storage device 402 is transmitted to the mobile terminal 105 (FIG. 1) through the communication interface 405. The CPU 401 transmits and receives signals to and from other components connected via the bus 407, and each component is controlled by an access signal from the CPU 401.

  FIG. 2 is a flowchart for explaining a processing operation for displaying the image of the storage / delivery server 103 on the display of the portable terminal 105 by operating the portable terminal 105 of FIG.

  First, in step 201, an image to be displayed on the display 701 of the portable terminal 105 (FIG. 1) is designated and displayed as shown in FIG. Next, when enlargement display of the image is selected in step 202, the process proceeds to step 203, where the position and range of the image to be enlarged are set. FIG. 8 shows a state where the display frame 801 sets the position and range of an image to be enlarged and displayed by operating the mobile terminal 105 (FIG. 1). By manipulating the display frame 801 displayed in the display 701, a portion surrounded by the display frame 801 is enlarged and displayed. In step 204, an image request command to be displayed on the display 701 of the portable terminal 105 (FIG. 1) is created based on the setting information related to the settings in step 202 and step 203. Then, the image request command including the setting information created in step 205 is transmitted to the conversion server 104 (FIG. 1), and the image acquired from the conversion server 104 (FIG. 1) in step 206 is displayed on the display 701 in the next step 207. To do.

FIG. 3 is a flowchart for explaining detailed processing between step 206 and step 207 of FIG.

  First, in step 301, the conversion server 104 (FIG. 1) acquires an image request command from the portable terminal 105 (FIG. 1). This is the same as the image request command transmitted in step 205 in FIG. Next, in step 302, the conversion server 104 (FIG. 1) acquires the image described in the image information in the image request command from the storage / delivery server 103 (FIG. 1). In step 303, if enlargement display of the image is designated by the image request command in step 301, the process proceeds to the next step 304. Here, the image position and image range to be displayed on the portable terminal 105 (FIG. 1) in the image information in step 301 are cut out from the image acquired in step 302. In step 305, the image cut in step 304 is converted into the display size of the portable terminal 105 (FIG. 1). In step 303, if enlargement display of the image is not designated by the image request command in step 301, the process proceeds to step 306, and the image acquired in step 302 is converted into the display size of the portable terminal 105 (FIG. 1). In step 307, the image converted in step 305 or 306 is transmitted to the portable terminal 105 (FIG. 1).

  FIG. 9 is a diagram in which the image acquired in step 207 of FIG. 2 is displayed on the display 701 of the portable terminal 105 (FIG. 1). It can be clearly seen that the image in the display frame 801 in FIG. 8 is enlarged and displayed in a size that allows the person 702 to confirm.

  Next, another embodiment of the present invention will be described below with reference to FIGS. 10, 11, 12, and 13. FIG.

  FIG. 10 shows an image in which four people, a person 1001, a person 1002, a person 1003, and a person 1004, are displayed on the display 701 of the portable terminal 105 (FIG. 1). FIG. 13 is an example of a clear image in a state where an image displayed on the display 701 in FIG. 10 is accumulated in the accumulation / delivery server 103 (FIG. 1).

  First, the processing operation of operating the mobile terminal 105 in FIG. 1 to display the image of the storage / delivery server 103 on the display of the mobile terminal 105 is the position of the image to be enlarged and displayed in step 203 of FIG. 2 in the above embodiment. In this embodiment, it is possible to set a plurality of positions and ranges of the image to be enlarged and displayed in step 203 in FIG. FIG. 11 is a diagram in which a display frame 1101, a display frame 1102, a display frame 1103, and a display frame 1104 for specifying an enlarged display range of an image in FIG. 10 are set. Here, the enlarged display of the person 1001, person 1002, person 1003, and person 1004 in FIG. 10 is performed. Other processes are the same as those in FIG. 2 in the above embodiment.

  The image cutting process is performed by the conversion server 104 in FIG. 1. In the above embodiment, the image cut in step 305 in FIG. 3 is converted into the display size of the portable terminal 105 (FIG. 1). In this case, step 305 is a process of converting the cut image into a size obtained by dividing the display size of the mobile terminal 105 (FIG. 1) into the number of display frames designated, and further combining the converted images into one screen.

  FIG. 12 shows an image obtained by enlarging and displaying each display frame in FIG. 11 in the present embodiment on the display 701 of the portable terminal 105 (FIG. 1). Since multiple places can be enlarged and displayed at the same time, it is not necessary to repeat the operation of setting the display range and enlarging the display.

  According to the embodiment of the present invention, an enlarged image of an image captured by an imaging device can be displayed on a mobile terminal using a conversion server. This makes it possible to easily grasp the details of the viewing target when viewing the image on the mobile terminal.

  Furthermore, the enlarged display of the several location of the image imaged with the imaging device in a portable terminal can be performed. Thereby, it is not necessary to repeatedly perform an operation related to the enlarged display on the portable terminal, and the complexity of the operation can be eliminated.

It is a figure which shows the accumulation | storage delivery system of embodiment of this invention. It is a flowchart figure for demonstrating the processing operation of the accumulation | storage delivery system of embodiment of this invention. It is a flowchart figure for demonstrating the processing operation of the accumulation | storage delivery system of embodiment of this invention. It is a block diagram which shows the structure of the conversion server of the storage delivery system of embodiment of this invention. It is a figure which shows the conventional storage delivery system. It is a figure which shows the example of the clear image imaged using the imaging device with the accumulation | storage delivery system, and was accumulate | stored in the accumulation | storage server. It is the figure which displayed the image on the portable terminal by the accumulation delivery system. It is the figure which displayed the image on the portable terminal with the accumulation | storage storage system of embodiment of this invention. It is the figure which displayed the image on the portable terminal with the accumulation | storage storage system of embodiment of this invention. It is the figure which displayed the other image on the portable terminal with the conventional storage delivery system. It is the figure which displayed the image on the portable terminal with the accumulation | storage delivery system of other embodiment of this invention. It is the figure which displayed the image on the portable terminal with the accumulation | storage delivery system of other embodiment of this invention. It is a figure which shows the example of the other clear image imaged using the imaging device with the accumulation | storage delivery system, and was accumulate | stored in the accumulation | storage server.

Explanation of symbols

101: Imaging device, 102: Web encoder, 103: Storage and delivery server, 104: Conversion server, 105: Mobile terminal, 601: Person, 701: Display, 702: Person, 80
1: Display frame, 1001, 1002, 1003, 1004: Person, 1101, 1102, 1
103, 1104: display frame.

Claims (2)

A portable terminal that displays an image received from a storage / delivery device on a display,
Means for designating and displaying a plurality of images to be displayed on the display from the images received from the storage and delivery device ;
Based on a plurality of image information specified in the designation and display means, means for creating an image request command to be displayed on said display,
Means for transmitting the image request command including the plurality of image information created by the creating means to the storage and delivery device;
Based on the image information in the image request command, the storage / delivery device converts the size of the plurality of images specified by the specification and display means into a size divided into the number of display frames specified in advance by the mobile terminal, and the conversion Means for receiving from the storage / delivery device an image that is a combined image and a single screen;
Means for displaying the one-screen image received by the receiving means on the display;
A portable terminal comprising: A portable terminal that displays an image received from a storage / delivery device on a display,
Means for designating and displaying an image to be displayed on the display from the images received from the storage and delivery device ;
Means for designating a plurality of arbitrary positions and ranges in the image designated by the designation and display means ;
Based on a plurality of image information specified in the specifying means, means for creating an image request command to be displayed on the display,
Means for transmitting an image request command including a plurality of pieces of image information designated by the designation means created by the creation means to the storage and delivery device;
Based on the image information in the image request command, the storage / delivery device converts the size of the plurality of images specified by the specifying means into a size divided into the number of display frames specified in advance by the mobile terminal, and the converted image Means for receiving from the storage and delivery device an image that is combined into a single screen;
It means for displaying an image with the one screen received by the reception unit to the display,
A portable terminal comprising:

Images