Abstract:
Provided is a network security system including: a spatial information collector configured to acquire, from a manager input terminal, spatial information; a device position receiver configured to receive, from the manager terminal, at least one device installation position with respect to the spatial information and storing the at least one device installation position; a device recommender configured to provide a candidate device list corresponding to the at least one device installation position; a device determiner configured to receive a signal for selecting at least one device from the candidate device list, and determine a model of the at least one selected device to be installed at the at least one device installation position; and a device setter configured to set a setting of the at least one selected device.
Abstract:
Provided are a defogging system and a defogging method. The defogging system includes: an illuminance sensor configured to detect a surrounding illuminance; a level determiner configured to determine a defogging level of the input image based on the detected surrounding illuminance; and a defogger configured to determine a fog state of the input image based on a histogram of the input image, and adaptively defog the input image according to the determined fog state and defogging level.
Abstract:
An apparatus and method for inspecting a graphene board. The graphene board inspecting apparatus for inspecting a graphene board on which at least one graphene layer is formed includes: a light processing unit which emits at least one light on the graphene board, receives the at least one light penetrating the graphene board and converts the received at least one light to an output signal; a transmittance detecting unit which receives the output signal from the light processing unit to inspect a transmittance of the at least one light penetrating the graphene board; and a determination unit which is connected to the transmittance detecting unit and receives the detected transmittance to determine a state of the graphene board by analyzing the detected transmittance.
Abstract:
An apparatus and method for processing an image by a wide dynamic range (WDR) process, and for obtaining an image having a wide dynamic area by using a WDR process. The method includes: receiving a long exposure image and a short exposure image having different exposure times; detecting a motion artifact area that may be occur when the long exposure image and the short exposure image are fused; generating a non-linear gain control short exposure image by non-linearly adjusting a gain of the short exposure image such that a luminance component of the short exposure image corresponds to a luminance component of the long exposure image; compensating for motion in the non-linear gain control exposure image based on the detected motion artifact area; and fusing the non-linear gain control short exposure image and the long exposure image to output an image to which a WDR process is performed.
Abstract:
Disclosed is a carrier tape feeder for a chip mounter. The carrier tape feeder includes: a body part; a rotation part, which is rotatably mounted on the body part and rotates by being engaged with a portion of a first carrier tape; a handle part, which is disposed by being separated by a predetermined distance from the outer circumferential surface of the rotation part, is rotatably mounted on the body part, and is selectively engaged with a second carrier tape; and a block part, which is rotatably mounted on the body part and exerts a force to the second carrier tape towards the rotation part according to rotation of the handle part.
Abstract:
Provided is a position estimation apparatus including: a position estimation unit configured to estimate a position of a moving object driven on an arbitrary lane according to an image frame captured by a stereo camera provided in the moving object; a posture information acquisition unit configured to obtain first posture information of the moving object from the estimated position and second posture information of the moving object at a point of time of the stereo camera capturing the image frame; a position correction unit configured to calculate: a probability distribution for a current position of the moving object by using the first posture information and the second posture information, and configured to correct a first probability of the probability distribution for the current position as a corrected position of the moving object; and a composite probability distribution based on a probability of a lane section of the arbitrary lane from a lane probability distribution chart and the corrected position output from the first position correction unit and configured to re-correct a second probability of the composite probability distribution as a final position of the moving object.
Abstract:
A graphene sheet and a method of manufacturing the graphene sheet are provided. The method includes: growing a graphene sheet on a graphene growth support by applying carbon sources and heat to the graphene growth support, the graphene growth support including a carbonization catalyst; and forming at least one ripple on the graphene sheet by cooling at least one of the graphene growth support and the graphene sheet, wherein the graphene growth support and the graphene sheet have different thermal expansion coefficients.
Abstract:
Provided is a central cooling system including: a ventilation fan unit configured to provide air to a predetermined space; a chiller unit configured to provide heat exchange medium to lower temperature of the air; a cooling tower unit configured to provide a coolant to the chiller unit to lower temperature of the heat exchange medium, and configured to lower temperature of the coolant through heat exchange between the coolant and ambient air; a sensor unit configured to measure the temperatures of the air, the heat exchange medium, and the coolant, and temperature and humidity of the ambient air; and a control unit configured to monitor energy consumption of the central cooling system and configured to calculate at least one of a control temperature of the heat exchange medium, a control temperature of the coolant, and a control temperature of the air which minimizes the energy consumption.
Abstract:
A radar sensor and a method of detecting an object by using the same are provided. The method includes: receiving at least one radar signal reflected from the object; converting the received at least one radar signal to at least one signal in a frequency domain; accumulating the converted at least one signal for a predetermined time and extracting at least one feature from the accumulated at least one signal; and identifying the object by comparing the extracted at least one feature with at least one reference value stored in a database.