Abstract: Provided is an image recognition device. The image recognition device includes a frame data change detector that sequentially receives a plurality of frame data and detects a difference between two consecutive frame data, an ensemble section controller that sets an ensemble section in the plurality of frame data, based on the detected difference, an image recognizer that sequentially identifies classes respectively corresponding to a plurality of section frame data by applying different neural network classifiers to the plurality of section frame data in the ensemble section, and a recognition result classifier that sequentially identifies ensemble classes respectively corresponding to the plurality of section frame data by combining the classes in the ensemble section.

Abstract: The neuromorphic arithmetic device comprises an input monitoring circuit that outputs a monitoring result by monitoring that first bits of at least one first digit of a plurality of feature data and a plurality of weight data are all zeros, a partial sum data generator that skips an arithmetic operation that generates a first partial sum data corresponding to the first bits of a plurality of partial sum data in response to the monitoring result while performing the arithmetic operation of generating the plurality of partial sum data, based on the plurality of feature data and the plurality of weight data, and a shift adder that generates the first partial sum data with a zero value and result data, based on second partial sum data except for the first partial sum data among the plurality of partial sum data and the first partial sum data generated with the zero value.

Abstract: An analog-to-digital converter includes a capacitor array including capacitors, an amplifier receiving an input current through an input node and integrating the input current, using the capacitor array, in a first mode, a switch array including switches respectively connected to the capacitors, successive approximation logic performing a successive approximation by selectively connecting each of the capacitors to one of a common voltage and a reference voltage through the switches, in a second mode, a comparator comparing the common voltage with an output of the amplifier and output a pulse signal based on the comparison result, a counter counting the pulse signal in the first mode, a register sequentially storing values of the pulse signal, in the second mode, and error correction logic storing an output of the counter as upper bits and an output of the register as lower bits and performing error correction.

Abstract: The neuromorphic arithmetic device performs a multiply-accumulate (MAC) calculation using a multiplier and an accumulator. The neuromorphic arithmetic device includes an offset accumulator configured to receive a plurality of offset data measured a plurality of times and accumulate the plurality of offset data, a bit extractor configured to obtain average offset data by extracting at least one first bit from the plurality of accumulated offset data, and a cumulative synapse array configured to accumulate a plurality of multiplication values generated by the multiplier and output a cumulative result of the plurality of multiplication values corrected according to the average offset data.

Abstract: Provided are an object recognition device, an autonomous driving system including the same, and an object recognition method using the object recognition device. The object recognition device includes an object frame information generation unit, a frame analysis unit, an object priority calculator, a frame complexity calculator, and a mode control unit. The object frame information generation unit generates object frame information based on a mode control signal. The frame analysis unit generates object tracking information based on object frame information. The object priority calculator generates based on object tracking information. The frame complexity calculator generates a frame complexity based on object tracking information. The mode control unit generates a mode control signal for adjusting an object recognition range and a calculation amount of the object frame information generation unit based on the priority information, the frame complexity, and the resource occupation state.

Abstract: The present disclosure relates to a microphone driving device and a digital microphone including the same. A microphone driving device according to an embodiment of the inventive concept includes a voltage-to-current converter, a current-to-voltage converter, an analog-to-digital converter, a digital amplification unit, and a gain controller. The voltage-to-current converter converts an acoustic signal to an output current signal based on a gain control signal. The current-to-voltage converter converts the output current signal to an amplified voltage signal. The analog-to-digital converter converts the amplified voltage signal to a digital signal. The digital amplification unit amplifies the digital signal to an amplified digital signal based on the gain control signal. The gain controller generates a gain control signal. The microphone driving device and the digital microphone including the same according to the inventive concept may have a wide dynamic range and reduce the influence of noise.

Abstract: The inventive concept relates to a body composition analysis system. A body composition analysis system according to an embodiment of the inventive concept includes a sinusoidal signal generator, a synchronous detector, and a bioimpedance analyzer. The sinusoidal signal generator converts a digital sinusoidal signal having a target frequency into an analog sinusoidal signal. The synchronous detector extracts a target frequency component of a bioelectrical signal generated in response to an analog sinusoidal signal based on the digital sinusoidal signal. The bioimpedance analyzer calculates the bioimpedance based on the target frequency component of the bioelectrical signal. According to the inventive concept, it is possible to improve the selectivity for extracting the target frequency component of the bioelectrical signal and to reduce the area and variations of characteristics for the implementation of the integrated circuit.

Abstract: Provided is a neuromorphic computing device including a differential signal generator configured to generate a plurality of first differential signals and a plurality of second differential signals on a basis of bits generated according to computation of each of a plurality of pieces of input data and each of a plurality of pieces of weight data corresponding thereto, a first capacitor synapse array configured to sample the plurality of pieces of first differential signals and output a first output voltage, a second capacitor synapse array configured to sample the plurality of pieces of second differential signals and output a second output voltage, a comparator configured to compare the first output voltage with the second output voltage to output a comparison result, and a successive approximation register (SAR) logic configured to control the first capacitor synapse array and the second capacitor synapse array on a basis of the comparison result and generate intermediate data.

Abstract: The present disclosure relates to a frame grabber, an image processing system, and an image processing method. A frame grabber according to an embodiment of the inventive concept includes a plurality of decoders, a plurality of image controllers, a plurality of memories, a synchronization controller, and a synchronization memory. The plurality of decoders generate a plurality of image data by decoding a plurality of image signals. The plurality of image controllers generate a plurality of pixel data and a plurality of frame information data on the basis of the plurality of image data. The plurality of memories store the plurality of pixel data. The synchronization controller receives the plurality of frame information data, and generates synchronization data on the basis of the plurality of frame information data. The synchronization memory stores the frame information data and the synchronization data.

Abstract: The present disclosure relates to a frame grabber, an image processing system, and an image processing method. A frame grabber according to an embodiment of the inventive concept includes a plurality of decoders, a plurality of image controllers, a plurality of memories, a synchronization controller, and a synchronization memory. The plurality of decoders generate a plurality of image data by decoding a plurality of image signals. The plurality of image controllers generate a plurality of pixel data and a plurality of frame information data on the basis of the plurality of image data. The plurality of memories store the plurality of pixel data. The synchronization controller receives the plurality of frame information data, and generates synchronization data on the basis of the plurality of frame information data. The synchronization memory stores the frame information data and the synchronization data.

Abstract: Provided are an object recognition device, an autonomous driving system including the same, and an object recognition method using the object recognition device. The object recognition device includes an object frame information generation unit, a frame analysis unit, an object priority calculator, a frame complexity calculator, and a mode control unit. The object frame information generation unit generates object frame information based on a mode control signal. The frame analysis unit generates object tracking information based on object frame information. The object priority calculator generates based on object tracking information. The frame complexity calculator generates a frame complexity based on object tracking information. The mode control unit generates a mode control signal for adjusting an object recognition range and a calculation amount of the object frame information generation unit based on the priority information, the frame complexity, and the resource occupation state.

Abstract: The present disclosure relates to a microphone driving device and a digital microphone including the same. A microphone driving device according to an embodiment of the inventive concept includes a voltage-to-current converter, a current-to-voltage converter, an analog-to-digital converter, a digital amplification unit, and a gain controller. The voltage-to-current converter converts an acoustic signal to an output current signal based on a gain control signal. The current-to-voltage converter converts the output current signal to an amplified voltage signal. The analog-to-digital converter converts the amplified voltage signal to a digital signal. The digital amplification unit amplifies the digital signal to an amplified digital signal based on the gain control signal. The gain controller generates a gain control signal. The microphone driving device and the digital microphone including the same according to the inventive concept may have a wide dynamic range and reduce the influence of noise.

Abstract: The present invention relates to a system and method for providing additional information using image matching. The present invention provides a system for providing additional information using image matching, including: a image input unit configured to receive a video or an image input from a user terminal; a query image determination unit configured to determine a query image, i.e.

Abstract: Provided is an analog-to-digital converting device. The analog-to-digital converting device may include a determination circuit that determination whether a reference digital signal or a determination digital signal obtained by conversion of a reference voltage or a determination voltage matches a test pattern for the reference voltage, and it is possible to monitor whether the analog-to-digital converting device normally operates, according to whether there is matching.

Abstract: A differential driving circuit according to embodiments of the inventive may include a first driver drives a first pad to a first voltage according to a first driving signal, a second driver drives a second pad to a second voltage according to a second driving signal, a first and second capacitors for receiving a first and second voltage changes of the first and the second pad at one end thereof respectively to transmit the first and the second voltage change to the other end thereof respectively in a transition interval in which voltages of the first and second pads are changed, transition interval voltage adder circuit adds voltages respectively transmitted thereto through the first and second capacitors, and a transition interval asymmetry compensation circuit adjusts a slope of at least one of the first and second driving signals according to the added voltage.

Abstract: The present invention relates to a system and method for providing additional information using image matching. The present invention provides a system for providing additional information using image matching, including: a image input unit configured to receive a video or an image input from a user terminal; a query image determination unit configured to determine a query image, i.e.

Abstract: Provided is a current-voltage conversion amplifier circuit including: a plurality of light receiving devices generating a current signal proportional to an amount of light by receiving the light; multipliers amplifying the current signal, converting the amplified current signal into a first voltage signal, outputting the amplified current signal, or outputting the converted first voltage signal; multi input amplifiers outputting first and second output voltage pairs through a process for receiving output values of multipliers and an offset voltage and amplifying the received output values and offset voltage; a multiplexing unit selecting and outputting one first and second output voltage pair among the first and second output voltage pairs outputted from multi input amplifiers; and a signal conversion unit converting a difference value between first and second output voltages outputted from the multiplexing unit and outputting the converted digital signal.

Abstract: The present invention relates to a system and method for providing additional information using image matching. The present invention provides a system for providing additional information using image matching, including: a image input unit configured to receive a video or an image input from a user terminal; a query image determination unit configured to determine a query image, i.e.

Abstract: Provided is an analog-to-digital converting device. The analog-to-digital converting device may include a determination circuit that determination whether a reference digital signal or a determination digital signal obtained by conversion of a reference voltage or a determination voltage matches a test pattern for the reference voltage, and it is possible to monitor whether the analog-to-digital converting device normally operates, according to whether there is matching.

Abstract: Provided is a readout integrated circuit including a sensor signal processing unit receiving sensor signals from a plurality of sensors and converting respectively the sensor signals into voltage signals, a signal converting unit respectively converting the voltage signals into digital signals, a digital signal processing unit outputting digital signals processed in response to the voltage signals and a switching control signal, a power supplying unit generating an internal voltage for operating the signal converting unit and the digital signal processing unit, and a reference sensing voltage for operating the sensor signal processing unit, and a switch unit operating in response to the switching control signal, wherein the switch unit includes switches respectively corresponding to the plurality of sensors and a current amount applied to each sensor is adjusted in response to operation times of the switches.