International Business Machines Corporation

Zi Yu Zhu

Jian Wang

Qi Cheng Li

Yi Min Wang

Meng Ye

Neil A Katz

Li Jun Mei

Boas Betzler

Sheng Lu

Guo Qiang Hu

Dong Jun Lan

Xing X Fang

Hao Chen

Fan Jing Meng

Fang Quan Xie

Guoqiang Hu

Bo Yang

Song Song

Gang Wang

Bao Hua Cao

Jun Hou

HuaFang Tan

Chen Hao

Yu Hui Wu

A method and system for generating a three-dimensional (3D) virtual scene are disclosed. The method includes: identifying a two-dimensional (2D) object in a 2D picture and the position of the 2D object in the 2D picture; obtaining the three-dimensional model of the 3D object corresponding to the 2D object; calculating the corresponding position of the 3D object corresponding to the 2D object in the horizontal plane of the 3D scene according to the position of the 2D object in the picture; and simulating the falling of the model of the 3D object onto the 3D scene from a predetermined height above the 3D scene, wherein the position of the landing point the model of the 3D object in the horizontal plane is the corresponding position of the 3D object in the horizontal plane of the 3D scene.

Generating three-dimensional virtual scene

An auto focus device comprises a focus panel and a focus controller. The focus panel comprises liquid crystal between a first light-transmissive conductive film and a second light-transmissive conductive film, and the focus controller is configured to apply a voltage between the two light-transmissive conductive films at the position of at least one pixel, so that the liquid crystal at the position will have an expected focal length. An auto focus method comprises: acquiring information on eyesight status of a user; acquiring information on posture of the user; calculating expected focal length of the liquid crystal between the two light-transmissive conductive films at the position of at least one pixel according to the acquired user information; selecting a voltage to be applied between the two light-transmissive conductive films at the position according to the expected focal length; and applying the voltage between the two light-transmissive conductive films at the position.

Auto focus device and method for liquid crystal display

A method and apparatus for providing a test case for a modified program. The method includes the steps of: obtaining a modification item that makes modification on a previous version of the program; locating the modification item after a first instrument and before a second instrument of a plurality of instruments inserted into the program; obtaining an execution path of the modified program that is between the first instrument and the second instrument and associated with the modification as well as a constraint set corresponding to the execution path; obtaining an execution result, outputted by the first instrument, of executing the previous version of the program using an original test case; and determining a test case applicable for the execution path based on the execution result and the constraint set. The apparatus corresponds to the method.

Method and apparatus for providing test cases

Disclosed are a method and apparatus for producing sounds in a virtual world, as well as a sound card. The method comprises the steps of determining a spring mass model of an object in the virtual world based on a 3D model of the object; analyzing force components produced on the 3D model by a collision in the virtual world; and generating sounds produced by the collision according to the spring mass model and the force components. By considering sound material of the object in the virtual world, the method, apparatus, and sound card may produce sounds in the virtual world more vividly and in real time.

Producing sounds in a virtual world and related sound card

A method and system for utilizing the biometric factors reflected in the typing as a kind of physiological password, to create a rhythmic password specific to the user, and to authenticate based on the rhythmic password. The method includes providing an original training text to a user, receiving an input training text provided by the user according to the original training text, extracting rhythmic characteristic values between adjacent text units of the input training text, and generating a rhythmic password of the user based on the extracted rhythmic characteristic values between adjacent text units. The invention utilizes the rhythm of a user inputting text can bring multiple advantages, including enhanced security of the password, and saving the user's cost of memorizing the password.

Creation of rhythmic password and authentication based on rhythmic password

Apparatus and method for the network transmission and displaying of the computer graphics. The method and apparatus for processing three-dimensional model data includes: obtaining the mesh data for an original mesh model; constructing a derivative mesh model from the vertex data for the original mesh model by using a pre-defined mesh model construction algorithm; comparing the mesh data for the original mesh model with the mesh data for the derivative mesh model to obtain the error data for the derivative mesh model; transmitting the vertex data related to the original mesh model; and transmitting the error data for the derivative mesh model.

Method and apparatus for processing three-dimensional model data

The present invention provides a method, apparatus, and non-transitory article of manufacture embodying computer readable instructions for scheduling discrete event simulation. One embodiment of the present invention is a method for scheduling discrete event simulation. The method includes: extracting two or more event types in the discrete event simulation in response to having loaded the discrete event simulation; constructing a correlation graph used for the discrete event simulation based on the two or more event types; and scheduling events that are classified into the two or more event types according to the correlation graph wherein each node in the correlation graph describes one of the two or more event types, and an edge in the correlation graph describes the creation or dependency relationship between the two or more event types. Other embodiments of the present invention provide an apparatus and computer program product for scheduling discrete event simulation.

Scheduling discrete event simulation

A clairvoyance method for 3D scene is disclosed, including the steps of acquiring parameters associated with a clairvoyance camera and parameters associated with a clairvoyance viewport; determining a 3D scene to be rendered according to the parameters associated with the clairvoyance camera; rendering the determined 3D scene to obtain a 2D image presented in the clairvoyance viewport; and composing the 2D image presented in the clairvoyance viewport and a 2D image presented in a general scene viewport. With the method of the present invention, the covered 3D scene can be made clairvoyant to be viewed in a user-controllable way, and further an object can be selected in the clairvoyant 3D scene for manipulation, without manipulating the covering object. Thus, one or more embodiments of the present invention have advantages of simple and easy operation and high efficiency.

Building controllable clairvoyance device in virtual world

Methods and systems for providing scene data of a virtual world. One method includes the following steps: receiving a request for downloading the scene data from a content requesting party, where the request includes (i) information on an object group in the scene data and (ii) Level of Detail (LoD) information on an object in the object group, packing LoD content of the object in the object group based on the information on the object group and the LoD information on the object, and transmitting the packed LoD content corresponding to the object group to the content requesting party.

Method and system for providing scene data of virtual world

A method and apparatus for evaluating attention degree in 3D virtual world are provided, the 3D virtual world comprising at least one virtual object and at least one avatar controlled by user, the at least one avatar having corresponding avatar view field. The method comprises: obtaining geometrical information about the avatar view field and geometrical information about the virtual object; determining the association between the avatar view field and the virtual object based on the geometrical information; evaluating attention degree of the virtual object based on the association; and providing evaluation result on attention degree of the virtual object. Corresponding apparatus is also provided. The above method and apparatus have provided attention degree related statistic collection and search feature for the virtual world.

Method and apparatus for search in virtual world

The present invention describes a method and system for governing a physical device or application service in a real world through a virtual device in a virtual world. The physical device or application service registers at least one virtual adaptor of the physical device or application service to a virtual device broker. A user creates or composes the virtual device with the at least one virtual adaptor in the virtual device broker. The user commands to the virtual device through a user interface of the virtual device. The at least one virtual adaptor in the virtual device translates the command to a controlling signal to the physical device or application service. The controlling signal operates the physical device or application service according to the command to the virtual device.

Method and system for dynamic composing and creating 3D virtual devices

A method and systems for providing and processing images of a virtual world scene. The method includes: rendering the scene of the virtual world to generate a plurality of rendering results, generating at least one image stream based on at least part of the plurality of rendering results, and sending the at least one image stream to the client. The system for providing the images includes: rendering means to generate a plurality of rendering results; image stream generation means for generating at least one image stream; and sending means for sending said at least one image stream to a client. After providing the images, the images are processed by receiving means for receiving, at a client, two image streams and merging means for merging the two image streams into a single image stream for playing.

Method and system for providing images of a virtual world scene and method and system for processing the same

A system and method for using an encoding module in a virtual world server for: receiving scene data including a description of at least one virtual object and underlying terrain associated with the scene; organizing the description of the at least one virtual object into a first track segmented by virtual object time slots, organizing the description of the underlying terrain into a second track segmented by terrain time slots; and storing the descriptions in persistent storage as separate files where users can retrieve and render the separate files.

Getting snapshots in immersible 3D scene recording in virtual world

A system and method enabling the search for a three-dimensional virtual world object across the universe of virtual worlds by utilizing a two-step search process to first identify the object and second, to actively locate and generate a URI to all presently manifest instances of that object.

Growing community of inventors

Beijing, China

Zi Yu Zhu