摘要:
Provided are a robot capable of improving the computation rate by considering whether a parameter will diverge and modifying the experiment order of offspring during evolutionary computation, when the covariance of system noise and that of measurement noise are calculated for the purpose of localizing the robot by using a Kalman filter, and a method and medium of localizing a robot by using a calculated covariance. The robot includes a gyroscope module providing information regarding rotational angle; an encoder module providing information regarding velocity and information regarding rotational angle of a wheel by sensing motion of the wheel; and a control module estimating a current location according to a Kalman filter method based on information provided by the encoder module and the gyroscope module, a covariance of system noise and a covariance of measurement noise being calculated in an evolutionary computation and applied to the Kalman filter method by the control module, the covariance of system noise and the covariance of measurement noise satisfying a condition that no Kalman filter parameter diverges in the evolutionary computation.
摘要:
A mobile robot and a method of localizing the robot are disclosed. The robot includes a gyroscope module providing information regarding a rotational angle of a gyroscope; an encoder module providing information regarding velocity and information regarding a rotational angle of a wheel of the robot by sensing motion of the wheel; and a control module estimating a current pose of the robot according to a method based on information provided by the encoder module and the gyroscope module, the control module incorporating information regarding rotational angle provided by the gyroscope module when estimating the current pose.
摘要:
A slide-type input device, a portable device provided with the input device and a method and medium of using the input device, which more freely move a pointer displayed on a screen, and more conveniently and exactly select a specific object, is provided. The slide-type input device includes a slide button movable in a specific direction, a motion control hole providing a movement area of the slide button, a location-detection module detecting location-change information according to the movement of the slide button, and a controller controlling a pointer displayed on the screen based on the location-change information of the slide button, wherein the slide button is moved in the specific direction by an external force applied by a user, and is then returned to an original location by an elastic force when the external force of the user is removed.
摘要:
A system, method and a medium playing moving images including various content objects is described. The system includes a generating unit generating a script and an execution module, the script defining a structure of the moving image including at least one content object, and the execution module defining a dynamic effect of the content object, a frame management unit analyzing the script and the execution module and generating frame meta-information based on a predetermined frame rate, and a playing unit applying the content object to the frame meta-information and constructing frame images.
摘要:
An image compensation system, method and medium that can reduce the amount of computation required for image compensation. The system may include a storage unit to store information concerning overlapping components among color light components, a separating unit to separate the color light components of an original image by removing the overlapping components from the color light components based on the stored information, prior to performing image compensation, and a projecting unit to project the separated color light components onto a screen
摘要:
A system, medium, and method measuring a geometric reliability index, e.g., in image compensation, and more particularly, a system, medium, and method measuring a geometric reliability index in image compensation that can measure a geometric model of a projection surface onto which an image is projected. The system include a pattern generating unit generating first and second patterns, each having a plurality of pattern points for image compensation and the pattern points of the first pattern being different from the pattern points of the second pattern, a pattern transmitting unit transmitting the generated first and second patterns to an image projecting system, a pattern acquiring unit acquiring the first and second patterns projected onto a projection surface by the image projecting system, and a reliability index measuring unit measuring a geometric reliability index of the projection surface on the basis of a variation in position between the corresponding pattern points of the acquired first and second patterns.
摘要:
An apparatus, method, and medium displaying an input image according to a position of a user, extracting a position vector of the user and warping the image input to both eyes of the user according to the extracted position vector in order to provide a stereoscopic image that is not perceived as warped by the user. The apparatus for displaying an input image according to the position of a user includes a position sensing unit to sense the position of the user, a change measurement unit to measure an amount of change in position of the user, and an image correction unit to correct the input image when the amount of change meets a predetermined threshold value.
摘要:
A slide-type input device, a portable device provided with the input device and a method and medium of using the input device, which more freely move a pointer displayed on a screen, and more conveniently and exactly select a specific object, is provided. The slide-type input device includes a slide button movable in a specific direction, a motion control hole providing a movement area of the slide button, a location-detection module detecting location-change information according to the movement of the slide button, and a controller controlling a pointer displayed on the screen based on the location-change information of the slide button, wherein the slide button is moved in the specific direction by an external force applied by a user, and is then returned to an original location by an elastic force when the external force of the user is removed.
摘要:
An apparatus and method of providing a schedule and a route are provided in which the apparatus includes an information collection unit analyzing input information and extracting an event to be added to a first schedule, a pattern recognition unit extracting an activity pattern of a user with reference to a past route and past event information, and a generation unit applying the activity pattern to at least one event of the first schedule and the extracted event to generate a second schedule, generating a first route between event locations with reference to position information and time information of each event in the second schedule, generating a third schedule, to which an additional event is added, with reference to a transition time between the event locations and an actual event time, and generating a second route for the additional event in the third schedule.
摘要:
A method and apparatus to disturb a voice signal by attenuating and masking the voice signal are provided. The method includes; receiving a voice signal from a wired or wireless network; obtaining a masked voice signal by dividing the received voice signal into a plurality of segments of the same size; outputting the received voice signal and receiving a feedback signal of the output voice signal; obtaining an attenuated voice signal by performing a first sound attenuation operation on the feedback signal; and combining the attenuated voice signal and the masked voice signal and outputting the result of the combination as disturbing sound.