Abstract
A method for determining a preferred image format in a User Equipment (UE) supporting a mobile video call between UEs. The UEs should each have a camera and a display Upon receiving from an opposing UE video transmission control information including therein a preferred image format. If the preferred image format requested by the opposing UE is acceptable then the opposing UE is sent video transmission control information is sent including therein at least one of an acceptable response message and an acceptable new preferred image format according to acceptability of the preferred image format requested by the opposing UE.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 5G,4G,3G | 20/09/2009 | ISLD-200909-012 | SAMSUNG | Yes | Family Member | ||||
| 5G,4G,3G | 20/01/2015 | ISLD-201501-011 | SAMSUNG | No | Family Member | ||||
| 5G,4G,3G | 10/05/2018 | ISLD-201805-017 | SAMSUNG | No | Family Member | ||||
Specification Information
Specification Information
Technologies
Family Information
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| EP2179585B1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Session Management Signal Processing
Product
Use Cases
Network Optimization
Services
Claim
1. A method for determining a preferred image format in a User Equipment (UE) supporting a mobile video call between UEs each having a camera and a display, the method comprising:', '(a)receiving, from an opposing UE, a video transmission control information including therein a preferred image format, and determining whether the preferred image format requested by the opposing UE is an acceptable format; and', '(b) sending, to the opposing UE, the video transmission control information including therein at least one of: an acceptable response message and an acceptable new preferred image format according to acceptability of the preferred image format requested by the opposing UE.
2. The method of claim 1, wherein the preferred image format comprises more than two in number.
3. The method of claim 1, wherein only the new preferred image format is sent to the opposing UE.
4. The method of claim 1, wherein the preferred image format comprises a detailed size (a,b) of a pixels in horizontal and b pixels in vertical.
5. The method of claim 1, wherein the new preferred image format comprises a detailed size (a,b) of a pixels in horizontal and b pixels in vertical.
6. The method of claim 1, wherein the size (a,b) of the preferred image format or new preferred image format is smaller than or equal to the maximum image format.
7. The method of claim 1, wherein determining whether the preferred image format is acceptable in step (a) comprises:', '(i)determining whether a maximum image format included in the received video transmission control information can be accepted;', '(ii) determining whether a preferred image format included in the received video transmission control information is supportable in the maximum image format; and', '(iii)determining whether a video encoder and a camera support the preferred image format.
8. The method of claim 1, wherein sending video transmission control information to the opposing UE in step (a) comprises:', '(i) transmitting, by a sending UE, an acceptable maximum image format and at least one preferred image format along with the video transmission control information to an opposing UE.
9. An apparatus for determining a preferred image format in a User Equipment (UE) supporting a mobile video call between UEs each having a camera and a display, the apparatus comprising: a controller for determining an image format by exchanging preferred image format information with an opposing UE for the mobile video call; a video encoder for encoding an image signal received from the camera in a particular image format determined by the controller, and sending the encoded image signal to an opposing UE; and an image decoder for decoding an encoded image signal received from the opposing UE, adjusting the decoded image signal to the particular image format determined by the controller, and outputting the format-adjusted image signal to the display
10. The apparatus of claim 9, wherein the controller generates video transmission control information including at least one of: an acceptable response message and an acceptable new preferred image format according to acceptability of a preferred image format included in the video transmission control information received from the opposing UE, and sends the generated video transmission control information to the opposing UE
11. The apparatus of claim 9, wherein the preferred image format is comprises more than two in number
12. The apparatus of claim 10, wherein the new the preferred image format comprises more than two in number
13. The apparatus of claim 10, wherein the controller determines whether to accept a maximum image format included in the received video transmission control information, and determines whether a preferred image format included in the received video transmission control information is supportable in the maximum image format, and determines whether a video encoder and a camera support the preferred image format, and for generating video transmission control information including at least one of an acceptable response message and an acceptable new preferred image format according to the determination result, and sending the generated video transmission control information to the opposing UE
14. The apparatus of claim 11, wherein the controller sends an acceptable maximum image format and at least one preferred image format to the opposing UE along with the video transmission control information
15. The apparatus of claim 11, wherein the controller sends only one or more preferred image formats
16. The apparatus of claim 9, wherein a detailed size (a,b) of the preferred image format comprises a pixels in horizontal and b pixels in vertical
17. The apparatus of claim 10, wherein a detailed size (a,b) of the new preferred image format comprises a pixels in horizontal and b pixels in vertical
18. The apparatus of claim 10, wherein the size (a,b) of the new preferred image format or preferred image format is smaller than or equal to the maximum image format.']
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SUMMARY
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
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