Abstract: An apparatus and method for enhancing the accuracy of a sensor signal are provided. The apparatus includes: a low-pass filter (LPF) that filters the sensor signal and outputs a low-frequency sensor signal; an operation determination unit that determines whether the sensor is not in operation; a bias estimating unit that estimates bias included in the low frequency sensor signal output from the LPF according to the output of the determination unit; and a subtractor that subtracts the estimated bias from the low frequency sensor signal according to the output of the operation determination unit.

Abstract: An image display apparatus includes a reflection-type image display device providing partial images that constitute an image frame by reflecting light irradiated from a light-emitting unit, and a distributive projector unit displaying the image frame by discretely projecting the partial images onto different positions.

Abstract: A method of displaying, selecting and magnifying multiple micro-images, and a display device and portable terminal using the method. A display device for displaying, selecting and magnifying multiple micro-images, includes: a concave reflector having a radius of curvature and a focal distance; multiple display panels, arranged within the focal distance, displaying the multiple micro-images toward the concave reflector; and a corner-image interrupter, interposed between the multiple display panels and the concave reflector, interrupting a distorted portion of a magnified image generated when one of the micro-images displayed on a display panel is reflected by corners of the concave reflector.

Abstract: Provided are a method for configuring a three-dimensional (3D) input device, a method for reconfiguring the 3D input device, a method for recognizing wearing of the 3D input device, and an apparatus for the same. The method of configuring a three-dimensional (3D) input device, which performs information input operations using a finger device that is worn by a user and senses the user's finger movement, includes recognizing whether the user is wearing the finger device and recognizing the finger positions of the device, and adaptively configuring the 3D input device based on the recognition results. Thus, it is possible to implement a user-friendly 3D input device by automatically or manually configuring the 3D input device.

Abstract: A method and apparatus for proactive recording and displaying of a preferred television (TV) program, determined based on a user's eye gaze, are provided. The method includes extracting a parameter used to estimate a preference of the user for a currently broadcast TV program from information on the user's eye gaze obtained through a camera; estimating the preference based on the extracted parameter, determining whether the preference exceeds a predetermined reference value, and generating a preferred program registration signal if it is determined that the preference exceeds the predetermined reference value; and in response to the preferred program registration signal, detecting an ID of the currently broadcast TV program from electronic program guide (EPG) information, and storing the detected ID in the preferred program list.

Abstract: A line-of-sight-based authentication apparatus and method are provided. In the method, a first image is generated by photographing the eyes of a person using first lighting generated on the same axis as a photographing axis of a camera and a second image is generated by photographing the eyes of the person using second lighting generated on a different axis from the photographing axis. Eye movements are tracked based on the first image and the second image and a track of the eye movements is identified. Then, it is determined if the identified track is the same as a track previously stored for authentication purposes.

Abstract: A method and an apparatus for controlling a convergence distance for observation of a 3-D image are provided. The apparatus includes an object image storage, a guide image storage, an image synthesizer, and a controller. The object image storage stores object image data generated by photographing 3-dimensionally an object positioned at an object image point. The guide image storage stores guide image data generated by sequentially moving back and forth of the object image point and photographing 3-dimensionally a guide object. The image synthesizer receives the object image data and the guide image data to generate a synthesized image. The controller controls to sequentially output the guide image data and if a photographing distance of the guide image data coincides with an object image point, controls to stop the outputting of the guide image data so that a convergence distance of an observer may coincide with the object image point.

Abstract: An information input method using a wearable information input device is provided. The information input method using a wearable information input device, which is worn on predetermined body parts of a user and has sensors for sensing motions of the predetermined body parts on a plane or in a space, includes selecting a key group including a desired key corresponding to information that the user desires to input by moving a first predetermined body part, and selecting the desired key from the selected key group by moving a second predetermined body part. Accordingly, the user can easily and quickly select a key on an information screen externally, and areas overlapped by the information screen in a monitor can be minimized.

Abstract: A spatial information input apparatus and method are provided. The apparatus includes: a motion detecting unit which detects motions of respective parts of the body as predetermined motion signals; and a motion-signal processing unit which outputs the motion signals, which are substantially concurrently detected, as effective motion signals having specific functions.

Abstract: A method of adjusting a pointing position on a display during click operation is performed by using a 3D input device including a first unit for detecting movement of a hand and a second unit for detecting movement of a finger, the method including detecting and outputting a hand movement signal by using the first unit, and locating the pointing position on the display based on the hand movement signal; waiting for a click signal generated from the second unit during a second time period if the hand movement signal is not detected during a first time period; and outputting the click signal and preventing the hand movement signal generated from the first unit during the second time period from being output if the click signal is generated during the second time period.

Abstract: Provided are a pointing apparatus and method. The apparatus, which inputs a pointing signal to a portable computer, includes an accelerometer outputting an acceleration signal in response to motion of the finger; and a signal processing unit sensing micro-collisions generated when the finger comes into contact with a predetermined contact surface and a rising signal generated when the finger is detached from the contact surface using the acceleration signal, sensing pointing motion of the finger lasting between the generation of the micro-collisions and the generation of the rising signal, and outputting the pointing signal.

Abstract: An information input device worn on a user's body or finger, an information processing device and an information input method are provided. The information input device which is capable of being worn on a user's body includes a distance sensing unit which senses changes in distance between a predetermined portion and another predetermined portion of the user's body according to the extent of bending of the user's body joint; and a signal processing unit which determines and processes information input items from the distance sensed by the distance sensing unit.

Abstract: A wearable phone and a method of using the same is provided. The phone includes a glove; a display mounted on the glove and including a user interface, the display on which a virtual key pad is displayed; a sensor on the glove disposed under the display, the sensor for sensing the movement of the entire hand; sensors on the glove disposed at interfaces between the fingers and the back of the hand, the sensors for sensing the movements of the fingers; a speaker on the glove disposed under the root of the little finger; a microphone spaced apart from the speaker by a predetermined distance below the speaker; a wireless communication module on the glove for outputting information selected and displayed on the display and voice information input through the microphone and for transmitting information received from the exterior to the display and the speaker; and a battery for supplying power to the wireless communication module and the display.

Abstract: A wearable finger motion sensor and a method of sensing using the same is provided. The wearable finger motion sensor includes finger rings having a predetermined recognition pattern on each ring, and a bracelet having a photographing tool for taking picture of the fingers, a device for recognizing movement of a finger from analyzing the photographed images, and a device for abstracting data corresponding to a moved finger.

Abstract: A context-based communication method and a context-based mobile telecommunication system are provided. A context-based mobile telecommunication system, comprises: a context generator, which generates and stores context information containing a locational attribute and its communications restriction policy on a predetermined area; and a terminal, which is automatically set to a predetermined operation mode according to a mediated policy obtained by negotiating between a right-to-communications exercising policy previously set therein and the communications restriction policy, in response to the context information, transmitted from the context generator.

Abstract: A ventilation interface and system is described which can be adapted to be connected to a source of ventilation. The ventilation interface and system includes an exhaust port positioned at a midpoint between at least two ventilation connectors. The ventilation interface system may optionally include feed tubes, y-connector, tube holder, and headgear.

Abstract: An apparatus and method for enhancing the accuracy of a sensor signal are provided. The apparatus includes: a low-pass filter (LPF) that filters the sensor signal and outputs a low-frequency sensor signal; an operation determination unit that determines whether the sensor is not in operation; a bias estimating unit that estimates bias included in the low frequency sensor signal output from the LPF according to the output of the determination unit; and a subtractor that subtracts the estimated bias from the low frequency sensor signal according to the output of the operation determination unit.

Abstract: Provided is an apparatus and method for detecting finger-motion in a wireless manner through a small finger-motion detecting apparatus without an additional battery, which is inexpensive and convenient to use. The apparatus includes a finger-motion signal receiving unit, which outputs a wireless power signal and receives and reads a wireless finger-motion signal to determine the corresponding finger-motion, a finger-motion signal transmitting unit, which generates a predetermined amount of power using the wireless power signal, receives a finger-motion signal corresponding to finger-motion using the predetermined amount of power, modulates the finger-motion signal into a finger-motion signal having a predetermined frequency, and outputs the modulated finger-motion signal in a wireless manner, and a finger-motion detecting unit, which detects whether or not finger-motion exists and generates a finger-motion signal corresponding to the finger-motion.

Abstract: Method and apparatus for selecting information in a multi-dimensional space are provided. The method includes the steps of sensing the motion of a user intending to select information, and determining whether the sensed motion is an effective motion intended for information selection and returning to the sensing step if it is determined that the motion is not the effective one. Accordingly, difficulty in setting a predetermined threshold to a single value can be overcome. In addition, even a very slight motion can be accurately detected without being influenced by gravity and offsets. Moreover, it can be accurately determined whether a user's two- or three-dimensional motion is an effective motion for selecting information and which motion unit among at least two motion units has generated the effective motion, so that a high correct recognition rate for information and high reliability can be achieved, and a user is allowed to easily select information.

Abstract: A method of inputting a character using a pointing device and an apparatus for inputting the character are provided. The method includes recognizing information on a movement direction of the pointing device and a click information of a button of the pointing device, and selecting a character by using the recognized information on a movement direction of the pointing device and the click information of the button of the pointing device. The character can be inputted via a mouse movement direction and the mouse button click information. In addition, since only one hand is used to input the character, a user can perform other tasks while inputting a character.