Abstract: A multi-aperture camera system having an auto focusing function comprises: multiple apertures; an image sensor that creates multiple images by processing light signals introduced through the multiple apertures, respectively; and an auto focusing unit that determines a distance by which the image sensor moves relative to the multiple apertures by using the multiple images for auto focusing, wherein at least one of the multiple apertures has a central position that is misaligned with those of the remaining apertures other than the at least one aperture.

Abstract: An apparatus for measuring fine particulate matter to determine a time to replace each of a filter and an air quality sensor based on a concentration of a filtered fine particulate matter and a method thereof are provided. The apparatus for measuring fine particulate matter is applied to an air cleaner, a personal environment monitoring system (PEMS), a fine particulate matter module, or the like by sensing a target material, such as harmful gas, as well as particulate matter and fine particulate matter in the air and providing result information.

Abstract: An image storage device based on an input sound signal comprises: an acceleration sensor unit for outputting an acceleration sensor value according to an impact event; a microphone unit for receiving an input of an impact sound according to the impact event; a camera unit for photographing an external image; and a processing unit for, if an impact event is sensed by the acceleration sensor unit and the impact sound inputted by the microphone unit corresponds to a valid sound which is previously set and stored, storing, in a storage unit, the images photographed by the camera unit in a certain time period both before and after the point in time when the impact event occurred.

Abstract: Disclosed is a smart mask capable of monitoring air quality, which is inhaled by a user. A smart mask, according to one embodiment of the present invention, comprises: a main body which forms an internal space by being placed on a partial region of a user's face including the nose and mouth; a close contact portion which is formed on the outer circumferential surface of the main body and brings the main body into close contact with the face when the smart mask is worn; a filter part which is formed on the main body to filter outside air and then provide the outside air into the internal space of the main body; and an internal sensor which is formed inside the main body to measure air quality of the internal space.

Abstract: The multi-aperture camera system includes a first aperture receiving an RGB optical signal, a second aperture distinguished from the first aperture and receiving an optical signal of which a wavelength is different from that of the RGB optical signal, an image sensor, a plurality of frame buffers, wherein the first and second images are respectively stored in the frame buffers, and a scan line-based processor unit (SPU) processing the first and second images using a scan line processing technique to determine a depth at at least one pixel of the first and second images. The first aperture and the second aperture are formed on a single optical system so as to be offset in a horizontal direction of the image sensor and thus have center positions deviated from each other.

Abstract: A multi-aperture camera system includes a first aperture introducing an RGB optical signal, a second aperture distinguished from the first aperture and introducing an optical signal, which is different from the RGB optical signal in wavelength, an image sensor processing the RGB optical signal, which is introduced through the first aperture, and obtaining a first image to an object and configured to process an optical signal, which is introduced through the second aperture and is different from the RGB optical signal in wavelength, and obtaining a second image for the object, and a distance determining part using a disparity between the first image and the second image and determining a distance between the image sensor and the object. The first aperture and the second aperture are formed on a unitary optical system to have different centers each other.

Abstract: Disclosed is a wireless charging system of using multi-frequency including at least one transmitter and at least one receiver which is wirelessly charged by the at least one transmitter, wherein the at least one transmitter includes a signal generator configured to generate a power signal of each of a plurality of frequency bands; a plurality of matching units connected to the signal generator matching and outputting the power signal of each of the plurality of frequency bands; and at least one antenna connected to the plurality of matching units transmitting the power signal of each of the plurality of frequency bands to each of at least one receiver, and wherein the at least one receiver includes at least one antenna receiving a power signal of each of a plurality of frequency bands from each of at least one transmitter; a plurality of matching units connected to the at least one antenna matching and outputting the power signal of each of the plurality of frequency bands; and a plurality of rectifiers conne

Abstract: An operation method of depth extracting camera system using multi focus image includes acquiring at least two or more images having different focused subject distances—each of the at least two or more images including a subject—through a single optical system which is included in the depth extracting camera system; and extracting depth for the subject by using a blur difference in the at least two or more images.

Abstract: Disclosed are a depth refinement system and a method for a sparse depth image in a multi-aperture camera. The method includes providing a sparse depth map generated based on an image obtained through each of a plurality of apertures included in the multi-aperture camera, wherein the sparse depth map includes depths of pixels included in the image, and performing a depth noise reduction (DNR) based on the sparse depth map.

Abstract: Provided is a network camera, including: an event detector configured to detect an event; an image sensor configured to capture an image in response to the detected event; a storage configured to store image data of the captured image; a transceiver configured to transmit and receive the image data over a network; a controller configured to control the event detector, the image sensor, the storage, and the transceiver, to select a single network mode from among a plurality of network modes based on whether power is supplied from an outside, and to configure the network based on the selected network mode; and a power source configured to supply the power to the event detector, the image sensor, the storage, the transceiver, and the controller.

Abstract: A method for determining a distance between an image sensor and an object includes acquiring a first image for an object and a second image distinguished from the first image, using a cut-off filter for cutting off one of R G and B signals, and determining a distance between the image sensor and the object.

Abstract: Disclosed is a multi-aperture camera system for improving depth accuracy through a focusing distance scan. The system includes a single optical system including a first aperture through which an RGB optical signal is input and a second aperture through which a non-RGB optical signal is input, the single optical system moving relative to an image sensor to be arranged at positions; an image sensor configured to obtain image sets corresponding to the positions as the single optical system moves to be arranged at the positions, wherein each image set includes an RGB image based on the RGB optical signal and a non-RGB image based on the non-RGB optical signal; and a depth determination unit configured to calculate a disparity in each image set to determine a depth of an object by using the disparity, wherein the first and second apertures have mutually intersecting central positions.

Abstract: The multi-aperture camera system includes a first aperture receiving an RGB optical signal, a second aperture distinguished from the first aperture and receiving an optical signal of which a wavelength is different from that of the RGB optical signal, an image sensor, a plurality of frame buffers, wherein the first and second images are respectively stored in the frame buffers, and a scan line-based processor unit (SPU) processing the first and second images using a scan line processing technique to determine a depth at at least one pixel of the first and second images. The first aperture and the second aperture are formed on a single optical system so as to be offset in a horizontal direction of the image sensor and thus have center positions deviated from each other.

Abstract: A multi-aperture camera system includes a first aperture introducing an RGB optical signal, a second aperture distinguished from the first aperture and introducing an optical signal, which is different from the RGB optical signal in wavelength, an image sensor processing the RGB optical signal, which is introduced through the first aperture, and obtaining a first image to an object and configured to process an optical signal, which is introduced through the second aperture and is different from the RGB optical signal in wavelength, and obtaining a second image for the object, and a distance determining part using a disparity between the first image and the second image and determining a distance between the image sensor and the object. The first aperture and the second aperture are formed on a unitary optical system to have different centers each other.

Abstract: The present invention relates to a front-end event detector for detecting the occurrence of an event before a signal process is generated, and a low power camera system maintaining the low-power mode when idle but activated in normal mode only when the occurrence of an event is detected in the front-end event detector. The front-end event detector according to the present invention comprises: an image sensor for obtaining analog image data and converting them into digital image data; a first buffer memory for storing the digital image data; a first comparator, wherein the next digital image data delivered from the image sensor is compared to the digital image data stored in the first buffer memory for generating activation signals when the occurrence of an event is detected and transmitting them to an external device; an image signal processor for image data processing the digital image delivered from the first comparator.

Abstract: An event sensing method using a frequency component in a surveillance camera comprises the steps of: obtaining at least one of a plurality of frequency components for a first frame of a digital image and at least one of a plurality of frequency components for a second frame after the first frame of the digital image; and sensing whether an event occurs in a digital image corresponding to the second frame by using the at least one of the plurality of frequency components for the first frame and the at least one of the plurality of frequency components for the second frame.

Abstract: A method for storing an image of a vehicle black box comprises: an image input step for inputting an image through a camera module; a temporary storage step for temporarily storing the inputted image in a temporarily processing unit, which consumes relatively low power, and allowing an event processing unit, which consumes relatively high power, to be in a sleep state or a power-off state; and an event storage step for allowing the event processing unit to be returned from the sleep state or the power-off state and storing in the event processing unit an image for the event from the time of the event occurrence up until before a predetermined time and from the time of the event occurrence up until after a predetermined time.

Abstract: An image sensor includes both visible pixels and infrared pixels. The visible pixels produce signals indicative of light within a visible band received by the visible pixels, and the infrared pixels produce signals indicative of light within an infrared band received by the infrared pixels. A selective infrared (SIR) filter array is integrated on the image sensor. The SIR filter array includes SIR pixel filters that are positioned to filter out light within the infrared band propagating to the visible pixels. In this way, infrared crosstalk to the visible pixels can be reduced.

Abstract: An image storage device based on an input sound signal comprises: an acceleration sensor unit for outputting an acceleration sensor value according to an impact event; a microphone unit for receiving an input of an impact sound according to the impact event; a camera unit for photographing an external image; and a processing unit for, if an impact event is sensed by the acceleration sensor unit and the impact sound inputted by the microphone unit corresponds to a valid sound which is previously set and stored, storing, in a storage unit, the images photographed by the camera unit in a certain time period both before and after the point in time when the impact event occurred.

Abstract: The present invention relates to a method for controlling a bit rate and an apparatus therefor, and more specifically to an apparatus for storing a bit rate changed according to a significant level in a memory and a method for determining the bit rate, which meets the requirements for the distortion according to the memory space limitation and the significant level of the image information so as to minimize the energy consumption.