1. A method for controlling a digital photographing apparatus, the method comprising:
receiving an input of depth-of-field (DOF) information;
calculating an aperture value corresponding to the DOF information by:
calculating a high frequency component while increasing an aperture value from a region on which an input image is focused to a region corresponding to the DOF information; and
determining an aperture value at which the calculated high frequency component begins to decrease as an aperture value corresponding to the DOF information;
determining whether the input DOF information is coincident with the calculated aperture value; and
controlling a photographing operation using the calculated aperture value,
wherein the controlling of the photographing operation is performed using the calculated aperture value when the input DOF information coincides with the calculated aperture value.
2. The method of claim 1, further comprising performing auto-focusing (AF) on an input image according to a shutter release signal,
wherein in the receiving of the input of the DOF information, a degree of the DOF is input on an AF frame for performing the AF.
3. The method of claim 1, further comprising determining a shutter speed based on exposure information,
wherein in the controlling of the photographing operation, the photographing operation is controlled using the calculated aperture value and the determined shutter speed.
4. The method of claim 1, wherein in the receiving of the input of the DOF information, the DOF information is received by enlarging or reducing a focus frame for an input image.
5. The method of claim 1, wherein the DOF information is received in the form of a region containing a quadrilateral or circle.
6. The method of claim 1, wherein the DOF information is received through one of dial-type, switch-type, and touch-type input devices.
7. A non-transitory computer-readable recording medium on which a program for executing the method of claim 1 on a computer is recorded.
8. A method for controlling a digital photographing apparatus, the method comprising:
receiving an input of depth-of-field (DOF) information;
calculating an aperture value corresponding to the DOF information;
determining whether the input DOF information is coincident with the calculated aperture value;
controlling a photographing operation using the calculated aperture value; and
controlling a focus with respect to an input image,
wherein:
the controlling of the photographing operation is performed using the calculated aperture value when the input DOF information coincides with the calculated aperture value; and
the calculating of the aperture value is performed by increasing an aperture value by one step from a minimum aperture value for the input image.
9. A method for controlling a digital photographing apparatus, the method comprising:
receiving an input of depth-of-field (DOF) information;
calculating an aperture value corresponding to the DOF information;
determining whether the input DOF information is coincident with the calculated aperture value;
controlling a photographing operation using the calculated aperture value; and
displaying a region corresponding to the DOF information on a display screen when the input DOF information is coincident with the calculated aperture value,
wherein:
the controlling of the photographing operation is performed using the calculated aperture value when the input DOF information coincides with the calculated aperture value.
10. A digital photographing apparatus comprising:
a depth-of-field (DOF) information input unit that receives an input of DOF information;
a DOF calculator that calculates an aperture value corresponding to the DOF information by:
calculating a high frequency component while increasing an aperture value from a region on which an input image is focused to a region corresponding to the DOF information; and
determining an aperture value at which the calculated high frequency component begins to decrease as an aperture value corresponding to the DOF information; and
a controller that controls a photographing operation using the calculated aperture value,
wherein the controller determines whether the input DOF information is coincident with the calculated aperture value and, when the input DOF information coincides with the calculated aperture value, controls the photographing operation using the calculated aperture value.
11. The apparatus of claim 10, further comprising an auto-focusing (AF) controller that performs AF on an input image according to a shutter release signal,
wherein the DOF information input unit receives the degree of the DOF on an AF frame for performing the AF.
12. The apparatus of claim 10, further comprising a shutter speed determiner that determines a shutter speed based on exposure information,
wherein the controller controls the photographing operation using the calculated aperture value and the determined shutter speed.
13. The apparatus of claim 10, wherein the DOF information input unit receives the DOF information by enlarging or reducing a focus frame for an input image.
14. The apparatus of claim 10, wherein the DOF information is a region containing a quadrilateral or circle that is input through one of dial-type, switch-type, and touch-type input devices.
15. A digital photographing apparatus comprising:
a depth-of-field (DOF) information input unit that receives an input of DOF information;
a DOF calculator that calculates an aperture value corresponding to the DOF information;
a controller that controls a photographing operation using the calculated aperture value;
a focus controller that controls a focus with respect to an input image; and
an aperture drive controller that controls an aperture driver so as to increase an aperture value by one step from a minimum aperture value for the input image,
wherein:
the controller determines whether the input DOF information is coincident with the calculated aperture value and, when the input DOF information coincides with the calculated aperture value, controls the photographing operation using the calculated aperture value; and
the DOF calculator calculates aperture values for images for which the aperture values are increased by one step from the minimum aperture value according to a control of the aperture drive controller.
16. A digital photographing apparatus comprising:
a depth-of-field (DOF) information input unit that receives an input of DOF information;
a DOF calculator that calculates an aperture value corresponding to the DOF information;
a controller that controls a photographing operation using the calculated aperture value; and
a region display controller that displays a region corresponding to the DOF information on a display screen when the input DOF information is coincident with the calculated aperture value;
wherein:
the controller determines whether the input DOF information is coincident with the calculated aperture value and, when the input DOF information coincides with the calculated aperture value, controls the photographing operation using the calculated aperture value.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method of accessing content or services provided in a home-based network that includes a home-based network device belonging to a first subscriber, wherein the home-based network device is an edge node of a telecommunications network, the method comprising the steps of:
assigning an address to the home-based network device, wherein the address is produced as a function of a public identity of the first subscriber associated with the home-based network device;
registering the address of the home-based network device in an addressing space containing addressing information of other home-based network devices; and
providing access to the home-based network device of the first subscriber to a second subscriber that is not associated with the home-based network device via another home based network device, wherein the another home based network device is another edge node of the telecommunications network and is associated with the second subscriber, such that the second subscriber finds the home-based network device including through a calculation of the address of the home-based network device using the function of the public identity of the first subscriber associated with the home-based network device and the initiation of a discovery procedure in the addressing space, wherein the discovery procedure includes receiving a request from the second subscriber that causes a search for the address of the home-based network device in a routing table stored in the another home-based network device, wherein the routing table comprises at least part of the addressing space and wherein if the address of the home-based network device being accessed is not stored in the routing table of the another home-based network device, then a next hop is found in the routing table along a route to the home-based network device being accessed by matching one digit at a time of the address of the home-based network device with an address of the next hop in the addressing space until the home-based network device is reached.
2. The method according to claim 1, wherein the step of registering the address of the home-based network device is performed during powering up and comprises sending a join message and collecting information from at least one of the other home-based network devices in the addressing space and initiating routing tables by the home-based network device based on the collected information.
3. The method according to claim 1, further comprising registration of at least one additional public identity of an additional subscriber associated with the home-based network device, wherein the at least one additional public identity of an additional subscriber is recorded in the addressing space.
4. The method according to claim 1, wherein the step of accessing the home-based network device comprises receiving a request from a user connected to a cellular network that causes:
an extension to a Home Location Register or a Home Subscriber Server to be called, and
storing an ownership relationship between user identities and their home-based network devices to correctly re-direct that user’s request.
5. The method according to claim 1, wherein the step of assigning the address to the home-based network device includes hashing the public identity of the first subscriber to produce the address of the home-based network device.
6. The method according to claim 1, wherein the addressing space comprises a distributed hash table.
7. The method according to claim 1, wherein the access to the home-based network device comprises access to content or services provided through the home-based network device.
8. The method according to claim 7, wherein if one subscriber associated with the home-based network device is requesting access to a service or content provided by at least one additional subscriber associated with the home-based network device, the method further comprises sending that request directly to the home-based network device owned by the at least one additional subscriber.
9. The method according to claim 1, further comprising storing in the home-based network device an overlay routing state and indirection links from other public entities to their home-based network devices.
10. The method according to claim 9, wherein said overlay routing state comprises routing tables, a leafset and a neighbourhood set in Distributed Hash Table based systems.
11. A home-based network device comprising:
an interface to a network, wherein said home-based network device is an edge node of said network; and
wherein the home-based network device is assigned an address that identifies said home-based network device, wherein the address is produced as a function of a public identity of a first subscriber associated with the home-based network device, and
wherein the home-based network device is adapted to register the address in an addressing space containing addressing information of other home-based network devices; and
wherein the home-based network device is further adapted to provide access to said home-based network device to a second subscriber that is not associated with said home-based network device, such that the second subscriber finds the home-based network device including through a calculation of the address of the home-based network device using the function of the public identity of the first subscriber associated with the home-based network device and the initiation of a discovery procedure in the addressing space, wherein the discovery procedure includes the receipt of a request from the second subscriber that causes a search for the address of the home-based network device in a routing table stored in another home-based network device associated with the second subscriber, wherein the routing table comprises at least part of the addressing space and wherein if the address of the home-based network device is not stored in the routing table of the another home-based network device, then a next hop is found in the routing table along a route to the home-based network device by matching one digit at a time of the address of the home-based network device with an address of the next hop in the addressing space until the home-based network device is reached.
12. The device according to claim 11, wherein the device is further adapted to register the address during powering up, and to send a join message and collect information from at least one of the other home-based network devices in the addressing space and to initiate routing tables in said home-based network device based on the collected information.
13. The device according to claim 11, further adapted to register at least one additional public identity of an additional subscriber with said home-based network device, wherein the at least one additional public identity of an additional subscriber is recorded in the addressing space.
14. The device according to claim 11, wherein the function is a hashing function that transforms the public identity of the first subscriber into the address of the home-based network device.
15. The device according to claim 11, wherein the addressing space comprises a distributed hash table.
16. The device according to claim 11, further comprising a memory is adapted to store an overlay routing state and indirection links from other public entities to their home-based network devices.
17. The device according to claim 16, wherein said overlay routing state comprises routing tables, a leafset and a neighbourhood set in distributed hash table based systems.
18. A telecommunications network comprising:
a plurality of network nodes, wherein part of said plurality of network nodes are edge nodes operating as home-based network devices; and
an individual home-based network device comprising:
an interface to said telecommunications network; and
wherein the individual home-based network device is assigned an address that identifies said individual home-based network device,
wherein the address is produced as a function of a public identity of a first subscriber associated with the individual home-based network device; and
the individual home-based network device is adapted to register the address in an addressing space containing addressing information of other home-based network devices;
wherein the telecommunications network is further adapted to provide access to the individual home-based network device for a second subscriber that is not associated with said individual home-based network device such that the second subscriber finds the individual home-based network device including through a calculation of the address of the individual home-based network device using the function of the public identity of the first subscriber associated with the individual home-based network device and the initiation of a discovery procedure in the addressing space, wherein the discovery procedure includes the receipt of a request from the second subscriber that causes a search for the address of the home-based network device in a routing table stored in another home-based network device associated with the second subscriber, wherein the routing table comprises at least part of the addressing space and wherein if the address of the individual home-based network device being accessed is not stored in the routing table of the another home-based network device, then a next hop is found in the routing table along a route to the individual home-based network device being accessed by matching one digit at a time of the address of the home-based network device with an address of the next hop in the addressing space until the home-based network device is reached.
19. The network according to claim 18, further comprising a network management system adapted to manage the home-based network devices, and further comprises a database containing details of subscribers authorized to use the network, wherein said database is adapted to determine a location of a user equipment connected to the network.
20. The network according to claim 18, wherein the individual home-based network device is adapted to register the address during powering up and to send a join message and collecting information from at least one of the other home-based network devices in the addressing space and initiating routing tables by the individual home-based network device based on the collected information.
21. The network according to claim 18, wherein the individual home-based network device is further adapted to register at least one additional public identity of an additional subscriber associated with the individual home-based network device, wherein the at least one additional public identity of an additional subscriber is recorded in the addressing space.
22. The network according to claim 18, wherein the individual home-based network device is further adapted to receive a request from a user connected to a cellular network that causes:
an extension to a Home Location Register or a Home Subscriber Server to be called, and
storing an ownership relationship between user identities and their home-based network device to correctly re-direct that user’s request.
23. The network according to claim 18, wherein the function is a hashing function that transforms the public identity of the first subscriber into the address of the home-based network device.
24. The network according to claim 18, wherein the addressing space comprises a distributed hash table.
25. The network according to claim 18, wherein the access to the individual home-based network device comprises access to content or services provided through the individual home-based network device.
26. The network according to claim 25, wherein if one subscriber associated with the individual home-based network device is requesting access to a service or content provided by at least one additional subscriber associated with the individual home-based network device, the request is sent directly to the home-based network device owned by the at least one additional subscriber.
27. The network according to claim 18, wherein the individual home-based network device further comprises memory adapted to store an overlay routing state and indirection links from other public entities to their home-based network devices.
28. The network according to claim 27, wherein said overlay routing state comprises routing tables, a leafset and a neighbourhood set in Distributed Hash Table based systems.