Tie-point identification for merging video images

    公开(公告)号:GB2345215A

    公开(公告)日:2000-06-28

    申请号:GB9828141

    申请日:1998-12-22

    Applicant: IBM

    Abstract: Tie-points for use in image registration are automatically identified, such as when a final image is desired to have a wider field of view than is obtainable by conventional cameras 10,20. A plurality of infra-red signal transmitters 30 are positioned within a scene, each acting as a self-identifying tie-point when captured on an infra-red camera. The coordinates of tie-points identified from the infra-red image are then associated with images captured by visible image cameras and can be used by image warping software for combining the visible images.

    Transmission of geographic information to mobile devices

    公开(公告)号:GB2360421B

    公开(公告)日:2004-02-18

    申请号:GB9926492

    申请日:1999-11-10

    Applicant: IBM

    Abstract: Provided is a data transmission method, a communications network, a mobile receiving device and data processing methods for use in broadcast of geographic information to mobile devices. The invention overcomes the problem of lack of currency of static information distribution via CD-ROM, and the problem of the cost of lengthy connections to the Internet which is a requirement of some dynamic solutions. The geographic data which is relevant to a transmitter in the network is broadcast by the transmitter as a plurality of separate data elements which each relate to and include an identification of a specific map segment of a segmented map, such that the data elements can be transmitted independently of each other and the map segment identifier can be used by the receiving device to position the geographic information of each data element within the appropriate map segment. Each data element is retransmitted periodically such that gaps can be filled in and the map can be built up over time even if transmission failures occur during a transmission.

    Method and system for the communication of assured reputation information

    公开(公告)号:GB2377782A

    公开(公告)日:2003-01-22

    申请号:GB0117811

    申请日:2001-07-21

    Applicant: IBM

    Abstract: There is provided a method and system of processing electronic transactions involving three parties, normally remote from one another. A service requestor(SR) requests a good or service from a service provider(SP) on the condition that certain terms will be fulfilled indicating that the good or service is provided at a particular standard. The service provider registers with a reputation authority terms for the supply of a good or service. Independently the service requestor acquires from the reputation authority a public key for which the private key is kept by the reputation authority. The service requestor(30) requests the service provider(20) for a good or service according to certain terms and the request is sent to the reputation authority which compares registered terms with the requested terms and if compatible signs the transaction with the retained private key and sends the signed transaction back to the service requestor. The service requestor can be confident that the service provider terms in the signed transaction has been assured by the reputation authority.

    Transmission of geographic information to mobile devices

    公开(公告)号:GB2360421A

    公开(公告)日:2001-09-19

    申请号:GB9926492

    申请日:1999-11-10

    Applicant: IBM

    Abstract: A central server generates a plurality of data elements, each comprising geographic information for a single segment of a segmented map and an identifier for the segment. A network of transmitters 50 broadcast data elements corresponding to map segments in their local area. Mobile devices 70 receive data elements and build a map of the area segment by segment. Data elements are retransmitted periodically so that the map can be built up and gaps filled in over time even if transmission failures occur. Different types of geographic information are assigned different levels of detail and are transmitted on different channels.

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