Abstract:
Disclosed is an electronic device which includes a dynamic vision sensor that includes a first pixel sensing a change in light intensity and generates an event signal based on the sensed change in light intensity, an illuminance estimator that estimates illuminance of a light, and a time delay compensator that calculates a time delay between a first time at which the change in light intensity occurs and a second time at which the first pixel senses the change in light intensity, based on the illuminance of the light, and to compensate for the time delay.
Abstract:
An electronic device and method with data scaling is provided herein. The electronic device may include a computing device that includes an analog computing circuit, where the computing device may scale an input of the analog computing circuit using a first scaling factor and/or scale a weight of the analog computing circuit using a second scaling factor, where the input includes a plurality of input values within a preset input maximum range of values of the computing device, and the weight includes a plurality of weight values within a preset weight maximum range of values of the computing device, and rescale an output of the analog computing circuit based on the first scaling factor and/or the second scaling factor. The first and second scaling factors may respectively scale values of the input and the weight to exceed respective preset maximum ranges of values.
Abstract:
Disclosed is an electronic device which includes a dynamic vision sensor that includes a first pixel sensing a change in light intensity and generates an event signal based on the sensed change in light intensity, an illuminance estimator that estimates illuminance of a light, and a time delay compensator that calculates a time delay between a first time at which the change in light intensity occurs and a second time at which the first pixel senses the change in light intensity, based on the illuminance of the light, and to compensate for the time delay.
Abstract:
Apparatuses and methods for sensing spatial information based on a vision sensor are disclosed. The apparatus and method recognize the spatial information of an object sensed by the vision sensor that senses a temporal change of light. The light being input into the vision sensor is artificially changed using a change unit configured to change the light being input to the vision sensor.
Abstract:
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.
Abstract:
A method of optimizing a quantization step size of an analog-to-digital converter (ADC) based on a number of crossbar arrays of a computing device includes: generating a first mapping relationship between the quantization step size of the ADC and a first root mean square error, the first root mean square error reflecting a quantization error and a clipping error, wherein the generating the first graph is based on use of only a single crossbar array; generating a second mapping relationship between the quantization step size of the ADC and a second root mean square error, the second root mean square error reflecting a quantization error, wherein the generating the second mapping is based on a uniform distribution of a total sum of quantization errors; and determining the quantization step size of the ADC based on the first mapping relationship and the second mapping relationship.
Abstract:
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.
Abstract:
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.
Abstract:
A semiconductor device including an interconnection structure including a copper pad, a pad barrier layer and a metal redistribution layer, an interconnection structure thereof and methods of fabricating the same are provided. The semiconductor device includes a copper pad disposed on a first layer, a pad barrier layer including titanium disposed on the copper pad, an inorganic insulating layer disposed on the pad barrier layer, a buffer layer disposed on the inorganic insulating layer, wherein the inorganic insulating layer and the buffer layer expose a portion of the pad barrier layer, a seed metal layer disposed on the exposed buffer layer, a metal redistribution layer disposed on the seed metal layer, and a first protective layer disposed on the metal redistribution layer.