Patent application number | Description | Published |
20100290572 | NETWORK SYNCHRONIZATION METHOD AND APPARATUS FOR PERFORMING TIME SYNCHRONIZATION BETWEEN NODES - Provided is a network synchronization method and apparatus for performing a time synchronization between nodes. When a system starts up and the time synchronization between the nodes is initiated, the network synchronization method and apparatus may enhance jitter, wander, and a time synchronization performance by gradually increasing a window size for a propagation time measurement. When a full window of propagation time measurements is collected, the network synchronization method and apparatus may enhance jitter, wander, and the time synchronization performance by applying an exponential to a computation of an average propagation time value. | 11-18-2010 |
20110157299 | APPARATUS AND METHOD OF VIDEO CONFERENCE TO DISTINGUISH SPEAKER FROM PARTICIPANTS - Disclosed are a system and a method that generates image data that represent a speaker to be distinguished, and enables a mobile terminal to provide a video conference service using the image data that distinguishes the speaker. A video conference apparatus may include a speaker distinguishing unit to distinguish, as a speaker, a participant who is speaking from a plurality of participants in the video conference and an image data generating unit to generate image data that represents the distinguished participant differently from other participants. | 06-30-2011 |
20120061568 | METHOD AND APPARATUS FOR MOTION RECOGNITION - A motion recognizing apparatus and method are provided. According to an aspect, a motion recognizing apparatus may include: an optical sensor configured to sense at least a portion of a subject where a motion occurs and to output one or more events in response thereto; a motion tracing unit configured to trace a motion locus of the portion where the motion occurs based on the one or more outputted events; and a motion pattern determining unit configured to determine a motion pattern of the portion where the motion occurs based on the traced motion locus. | 03-15-2012 |
20120105587 | METHOD AND APPARATUS OF MEASURING DEPTH INFORMATION FOR 3D CAMERA - Provided is a depth information measuring method and apparatus for a three-dimensional (3D) camera. The depth information measuring method and apparatus may output, to an object, an optical pulse of which an intensity is higher than an intensity of an ambient light. The depth information measuring method and apparatus may generate a voltage that is proportional to a log value of an intensity of a light reflected from the object. The depth information measuring method and apparatus may use discharging units, and the discharging units may respectively include dischargers having different discharging speeds or capacitors having different capacities. | 05-03-2012 |
20120257789 | Method and Apparatus for Motion Recognition - A motion recognition apparatus is provided. The motion recognition apparatus includes an event sensor configured to sense a portion of an object, where a motion occurs, and output events, a color sensor configured to photograph the object and output a color image, a motion area check unit configured to check a motion area which refers to an area where the motion occurs, using spatiotemporal correlations of the events, a shape recognition unit configured to recognize color information and shape information of an area corresponding to the motion area in the color image, a motion estimation unit configured to estimate a motion trajectory using the motion area, the color information, and the shape information, and an operation pattern determination unit configured to determine an operation pattern of the portion where the motion occurs, based on the estimated motion trajectory. | 10-11-2012 |
20120317063 | SYNAPSE FOR FUNCTION CELL OF SPIKE TIMING DEPENDENT PLASTICITY (STDP), FUNCTION CELL OF STDP, AND NEUROMORPHIC CIRCUIT USING FUNCTION CELL OF STDP - A synapse for a spike timing dependent (STDP) function cell includes a memory device having a variable resistance, such as a memristor, and a transistor connected to the memory device. A channel of the memory device is connected in series with a channel of the transistor. | 12-13-2012 |
20130031039 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING SPIKE EVENT IN NEUROMORPHIC CHIP - An apparatus and a method for transmitting and receiving a spike event in a neuromorphic chip. A transmission apparatus of the neuromorphic chip outputs addresses sequentially and repeatedly to an address bus, and when a spike generated by a neuron is detected by the transmission apparatus, outputs a strobe at a first time when one of the addresses being output sequentially and repeatedly becomes identical to an address of the neuron that generated the spike. A receiving apparatus of the neuromorphic chip inputs an address through the address bus at a strobe detection time when the strobe is detected by the receiving apparatus. | 01-31-2013 |
20130151451 | NEURAL WORKING MEMORY DEVICE - A spiking neuron-based working memory device is provided. The spiking neuron-based working memory device includes an input interface configured to convert input spike signals into respective burst signals having predetermined forms, and output a sequence of the burst signals, the burst signals corresponding to the input spike signals in a burst structure, and two or more memory elements (MEs) configured to sequentially store features respectively corresponding to the outputted sequence of the burst signals, each of the MEs continuously outputting spike signals respectively corresponding to the stored features. | 06-13-2013 |
20130329524 | NEUROMORPHIC SIGNAL PROCESSING DEVICE ANDMETHOD FOR LOCATING SOUND SOURCE USING A PLURALITYOF NEURON CIRCUITS - Provided is a neuromorphic signal processing device for locating a sound source using a plurality of neuron circuits, the neuromorphic signal processing device including a detector configured to output a detected spiking signal using a detection neuron circuit corresponding to a predetermined time difference, in response to a first signal and a second signal containing an identical input spiking signal with respect to the predetermined time difference, for each of a plurality of predetermined frequency bands, a multiplexor configured to output a multiplexed spiking signal corresponding to the predetermined time difference based on a plurality of the detected spiking signals output from a plurality of neuron circuits corresponding to the plurality of frequency bands, and an integrator configured to output an integrated spiking signal corresponding to the predetermined time difference, based on a plurality of the multiplexed spiking signals corresponding to a plurality of predetermined time differences. | 12-12-2013 |
20130329952 | APPARATUS AND METHOD FOR PROCESSING ASYNCHRONOUS EVENT INFORMATION - An event information processing apparatus and method are provided that may process an asynchronous event. The event information processing apparatus may include a grouper which groups at least one item of event information generated at an identical time, a time information identifier which identifies basic time information associated with the grouped event information, and an information transmitter which arranges and thereby transmits the grouped event information and basic time information. | 12-12-2013 |
20130335595 | EVENT-BASED IMAGE PROCESSING APPARATUS AND METHOD - Provided is an event-based image processing apparatus and method, the apparatus including a sensor which senses occurrences of a predetermined event in a plurality of image pixels and which outputs an event signal in response to the sensed occurrences, a time stamp unit which generates time stamp information by mapping a pixel corresponding to the event signals to a time at which the event signals are output from the sensor, and an optical flow generator which generates an optical flow based on the time stamp information in response to the outputting of the event signals. | 12-19-2013 |
20140022158 | APPARATUS AND METHOD FOR CONTROLLING OPERATION MODE OF DEVICE USING GESTURE RECOGNITION - An apparatus and method for controlling an operation mode of a device using gesture recognition using temporal change of light intensity. | 01-23-2014 |
20140022528 | PROXIMITY SENSOR AND PROXIMITY SENSING METHOD USING LIGHT QUANTITY OF REFLECTION LIGHT - A proximity sensor and proximity sensing method using a change in light quantity of a reflected light are disclosed. The proximity sensor may include a quantity change detection unit which detects a change in a quantity of reflected light which is output light which has been reflected by an object, where an intensity of the output light changes, and a proximity determination unit which determines a proximity of the object to the quantity change detection unit based on a change in the intensity of the output light and the detected change in the quantity of the reflected light. | 01-23-2014 |
20140037139 | DEVICE AND METHOD FOR RECOGNIZING GESTURE BASED ON DIRECTION OF GESTURE - A device and method for recognizing a gesture according to movement directions of an object. | 02-06-2014 |
20140085621 | PROXIMITY SENSOR AND PROXIMITY SENSING METHOD USING EVENT-BASED VISION SENSOR - A proximity sensor and a proximity sensing method using an event-based vision sensor are provided. The proximity sensor may include a point identification (ID) unit which identifies a point at which an output light output from a focused light source is reflected from an object in an image taken by the proximity sensor; and a distance determination unit which determines a distance between the object and the proximity sensor based on a position of the point. | 03-27-2014 |
20140184498 | METHOD AND APPARATUS FOR MOTION RECOGNITION - A motion recognizing apparatus and method are provided. According to an aspect, a motion recognizing apparatus may include: an optical sensor configured to sense at least a portion of a subject where a motion occurs and to output one or more events in response thereto; a motion tracing unit configured to trace a motion locus of the portion where the motion occurs based on the one or more outputted events; and a motion pattern determining unit configured to determine a motion pattern of the portion where the motion occurs based on the traced motion locus. | 07-03-2014 |
20140354537 | APPARATUS AND METHOD FOR PROCESSING USER INPUT USING MOTION OF OBJECT - A user input processing apparatus using a motion of an object to determine whether to track the motion of the object, and track the motion of the object using an input image including information associated with the motion of the object. | 12-04-2014 |
20140368712 | IMAGE ADJUSTMENT APPARATUS AND IMAGE SENSOR FOR SYNCHRONOUS IMAGE AND ASYNCHRONOUS IMAGE - Disclosed is an image adjustment apparatus including a receiver which is configured to receive a first input image of an object which is time-synchronously captured and a second input image in which a motion event of the object is sensed time-asynchronously, and an adjuster which is configured to adjust the first input image and the second input image. | 12-18-2014 |
20150030204 | APPARATUS AND METHOD FOR ANALYZING IMAGE INCLUDING EVENT INFORMATION - An apparatus and method for analyzing an image including event information for determining a pattern of at least one pixel group corresponding to event information included in an input image, and analyzes at least one of an appearance of an object and a motion of the object, based on the at least one pattern. | 01-29-2015 |