Method and apparatus for providing additional information of video using visible light communication
First Claim
1. A method in an electronic device, comprising:
- receiving a data packet including a video frame of a video and a plurality of additional information associated with a plurality of objects in the video frame;
obtaining, from the data packet, the video frame and the plurality of additional information including first additional information for a first object and a second additional information for a second object in the video frame, and decoding the video frame and the plurality of additional information;
generating a plurality of visible light signals from a plurality of LEDs of a display by encoding the obtained the plurality of additional information into a displayable format using Visible Light Communication (VLC); and
transmitting first visible light signals corresponding the first additional information and second visible light signals corresponding the second additional information to an external device using VLC,wherein at least one part of the plurality of visible light signals include the first visible light signals and the second visible light signals,wherein the first additional information is transmitted by VLC from first LEDs of the plurality of LEDs disposed in a first portion of the display where the first object is displayed, and the second additional information is transmitted by VLC from second LEDs of the plurality of LEDs disposed in a second portion of the display where the second object is displayed, andwherein the external device receives an input selecting an entry from an additional information list displayed on the external device, and, in response to the input, identifies one of the first additional information and the second additional information from the plurality of visible light signals.
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Abstract
A method and apparatus for providing additional information included in a video displayed on a display device using visible light communication (VLC). A data packet including video data and additional information for an object included in the video data is received. The video data is extracted from the data packet, and the video data is decoded. The additional information from the data packet is extracted, and the additional information decoded. The decoded video data is output through the display device, and at the same time, the additional information is transmitted for a particular object included in a video based on a VLC protocol using a light emitting device prepared in the display device. The additional information providing apparatus includes an image sensor module, a display module, a visible light receiving module, an additional information manager and a controller.
15 Citations
16 Claims
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1. A method in an electronic device, comprising:
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receiving a data packet including a video frame of a video and a plurality of additional information associated with a plurality of objects in the video frame; obtaining, from the data packet, the video frame and the plurality of additional information including first additional information for a first object and a second additional information for a second object in the video frame, and decoding the video frame and the plurality of additional information; generating a plurality of visible light signals from a plurality of LEDs of a display by encoding the obtained the plurality of additional information into a displayable format using Visible Light Communication (VLC); and transmitting first visible light signals corresponding the first additional information and second visible light signals corresponding the second additional information to an external device using VLC, wherein at least one part of the plurality of visible light signals include the first visible light signals and the second visible light signals, wherein the first additional information is transmitted by VLC from first LEDs of the plurality of LEDs disposed in a first portion of the display where the first object is displayed, and the second additional information is transmitted by VLC from second LEDs of the plurality of LEDs disposed in a second portion of the display where the second object is displayed, and wherein the external device receives an input selecting an entry from an additional information list displayed on the external device, and, in response to the input, identifies one of the first additional information and the second additional information from the plurality of visible light signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method in a mobile terminal, comprising:
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capturing, by an image sensor, a video displayed on an external device including a plurality of visible light signals; in response to capturing the video, obtaining a plurality of visible light signals transmitted from the external device using Visible Light Communication (VLC), wherein the plurality of visible light signals include first visible light signals corresponding to first additional information and second visible light signals corresponding to second additional information; displaying an additional information list listing all available additional information indicated within the plurality of visible light signals on a display of the mobile terminal; in response to detecting an input to the mobile terminal selecting the first additional information from the additional information list, identifying the first additional information associated with a first object of the video, and displaying the identified first additional information on the display; and in response to detecting an input to the mobile terminal selecting the second additional information from the additional information list, identifying the second additional information associated with a second object of the video and displaying the identified second additional information on the display, wherein the first visible light signals are transmitted from first LEDs disposed in a first portion of a display of the external device where the first object is displayed, and wherein the second visible light signals are transmitted from second LEDs disposed in a second portion of the display of the external device where the second object is displayed. - View Dependent Claims (11)
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12. An apparatus, comprising:
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a receiving module which receives a data packet including video frame of a video and a plurality of additional information associated with a plurality of objects; a display; at least one processor; and a memory storing programming instructions executable by the at least one processor to cause the apparatus to; obtain, from the data packet, the video frame and the plurality of additional information including first additional information for a first object and a second additional information for a second object displayed in the video frame, and decodes the video frame and the plurality of additional information, and generate a plurality of visible light signals from a plurality of LEDs of the display by encoding the plurality of additional information into a displayable format using Visible Light Communication (VLC); and transmit first visible light signals corresponding the first additional information and second visible light signals corresponding the second additional information to an external device using VLC, wherein at least one part of the plurality of visible light signals include the first visible light signals and the second visible light signals, wherein the first additional information is transmitted by VLC from first LEDs of the plurality of LEDs disposed in a first portion of the display where the first object is displayed, and the second additional information is transmitted by VLC from second LEDs of the plurality of LEDs disposed in a second portion of the display where the second object is displayed, and wherein the external device receives an input selecting an entry from an additional information list displayed on the external device, and, in response to the input, identifies one of the first additional information and the second additional information from the plurality of visible light signals. - View Dependent Claims (13)
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14. A mobile terminal, comprising:
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an image sensor; a local display; at least one processor; and a memory storing programming instructions executable by the at least one processor to cause the mobile terminal to; capture, by the image sensor, a video displayed on an external device including a plurality of visible light signals; in response to capturing the video, obtain a plurality of visible light signals transmitted from the external device using a Visible Light Communication (VLC), wherein the plurality of visible light signals include first visible light signals corresponding to first additional information and second visible light signals corresponding to second additional information, display an additional information list listing all available additional information indicated within the plurality of visible light signals on the local display; in response to detecting an input to the mobile terminal selecting the first additional information from the additional information list, identify the first additional information associated with a first object of the video and display the identified first additional information on the local display; and in response to detecting an input to the mobile terminal selecting the second additional information from the additional information list, identify the second additional information associated with a second object of the video and display the identified second additional information on the local display, wherein the first visible light signals are transmitted from first LEDs disposed in a first portion of a display of the external device where the first object is displayed, and wherein the second visible light signals are transmitted from second LEDs disposed in a second portion of the display of the external device where the second object is displayed. - View Dependent Claims (15, 16)
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Specification