Abstract: A focusing method includes operations (a) through (d). In (a), a maximum focus value generated during a searching is set as a first maximum focus value. In (b), the focus lens moves to a first position that is the position of the first maximum focus value. In (c), a focus value generated when the focus lens moves to the first position is set as a second maximum focus value. In (d), if it is determined that a difference value between the first maximum focus value and the second maximum focus value is greater than a first set allowance value, a position of a focus value, whose difference value from the first maximum focus value is less than a second set allowance value, is searched for within a second range that has the first position as its center and is narrower than the first range.

Abstract: A head nozzle unit includes a pair of motion guides located parallel to each other, a pair of movable blocks disposed on the pair of motion guides and movable independently of each other, a guide member transversely connected to the pair of motion guides via the pair of movable blocks, a pair of head nozzle parts disposed on opposite lateral surfaces of the guide member, the pair of head nozzle parts movable independently of each other and operable to pick up and mount electronic parts, and a driver that moves the pair of movable blocks in cooperation with one another and that moves the pair of head nozzle parts in predetermined directions. Further, an apparatus and method for mounting electronic parts includes the head nozzle unit. The pair of head nozzle parts alternately and sequentially performs a series of mounting processes of picking up the electronic parts and mounting the picked up electronic parts.

Abstract: A method of stitching an image to combine at least a first image and a second image in a digital image processing apparatus includes obtaining matching areas of the first image and the second image where the second image overlaps the first image, and changing gradations of an entire area of the second image to make a representative gradation of the matching area of the first image the same as a representative gradation of the matching area of the second image, wherein a change rate in changing at least one of the gradations of the entire area of the second image is set according to a level of a gradation of the second image before the changing the gradations of the entire area of the second image.

Abstract: A method of operating a chip mounter is provided, comprising: preparing an electronic part on a part supply unit and a printed circuit board on a main body; gripping the electronic part using a part conveyor unit to move the electronic part along a part moving path on the part supply unit and the main body; photographing the electronic part when the electronic part is located at a part recognition region within the part moving path without stoppage and during the movement of the electronic part; transmitting a photographed image of the electronic part to a controller using the image processing unit; comparing the photographed image with a reference image using the controller; and displaying the photographed image to the exterior using the controller; wherein the part recognition region is set by at least one coordinate in the controller to be located on a light source of the processing unit.

Abstract: An apparatus and method for estimating the number of objects in an input image are disclosed. The apparatus includes: a learning unit that calculates counted values of a linear regression function by learning an arbitrary image; a separation unit that separates a foreground region and a background region of the input image; an extraction unit that searches for features that require an amount of calculation that is below a particular threshold from features having high correlation with each other feature and extracts the features from the separated foreground region; and an estimation unit that estimates the number of objects in the foreground region as a dependent variable by allocating the counted values of the linear regression function that are calculated by the learning unit and the features that are extracted by the extraction unit as independent variables of a linear regression function.

Abstract: An apparatus for manufacturing electronic parts is provided. The apparatus includes a head unit installed on a main body and configured to move up and down, a nozzle unit installed on the head unit and configured to move up and down, and a positioning unit sequentially displacing the head unit and the nozzle unit to a position where the electronic parts are on standby to suction the electronic parts using the nozzle unit. Thus, when the head unit is used to suction the electronic parts on standby at a standby position of the electronic parts, the head unit and the nozzle unit installed on the head unit are sequentially lowered, so that it is possible to relieve an impact occurring when the electronic parts are suctioned to the ends of nozzles.

Abstract: Provided is an image-monitoring system which includes a camera such as a pan/tilt/zoom camera which stores preset positions and captures images when a direction of the camera changes from one present position to another preset position, and a management unit which sets the preset positions, transmits the preset positions to the camera, and displays the images on a screen.

Abstract: A zoom lens system that includes a first lens group including at least one lens and having a negative refractive power, and a second lens group including at least one lens and having a positive refractive power in an order from an object side to an image side, wherein the zoom lens system is configured to perform zooming by changing a distance between the first lens group and the second lens group and satisfies: 2<|f1/fw|<2.5 and 0.60<|f1/f2|<0.85, wherein f1 indicates a synthetic focal length of the first lens group, fw indicates an overall focal length at a wide angle end, and f2 indicates a synthetic focal length of the second lens group.

Abstract: A panoramic scan radar is provided. The panoramic scan radar includes: a fixed base; a rotary base which is rotatably combined with the fixed base; a reflector which is disposed on the rotary base to rotate with the rotary base and includes a reflective surface; a laser emitter which is disposed on the rotary base to rotate with the rotary base and selectively irradiate laser beams onto a plurality of points on the reflective surface of the reflector; and a laser receiver. The reflector reflects the laser beams toward an object and reflects at least one of the laser beams reflected by the object toward the laser receiver and the laser receiver senses the at least one of the laser beams reflected toward the laser receiver.

Abstract: A component mounting apparatus including: plural spindles respectively including nozzles, each spindle rotating about a first pivot and each nozzle picking up a component; a head body rotating about a second pivot substantially parallel to a first pivot and rotatably supporting the spindles; and a controller controlling the spindles and the head body to perform: a pickup operation in which the spindle rotates about the first pivot from an initial orientation to a pickup orientation, the nozzle picks up the component, and the spindle rotates from the pickup orientation to the initial orientation so that the component is oriented to a mounting orientation at which the component is to be mounted on a substrate; and a mounting operation in which the picked-up component is transferred to a mounting position of the substrate during which each spindle is retained at the initial orientation.

Abstract: An image processing apparatus and method for restoring an image which is expected to be when there is no fog from a foggy image, the image processing method including: generating a pixel depth image of the foggy image by estimating a plurality of pixel depths of a plurality of pixels, respectively, included in the foggy image based on a channel difference between at least two of red (R), green (G), and blue (B) channels of the foggy image; processing the pixel depth image; obtaining an optical model parameter with respect to the foggy image; and restoring an image, which is expected to be when the foggy image does not include the fog, by using the processed pixel depth image and the optical model parameter.

Abstract: A monitoring camera and a method of controlling the monitoring camera are provided. The monitoring camera includes: a data receiving unit receiving a signal from a terminal; an image acquiring unit having a zoom lens and an imaging device generating first image data of an original image, and further, generates second image data of a user-selected region by performing at least one of zooming, panning and tilting based on control data; a data transmitting unit transmitting the first image data and the second image data generated by the imaging device to the terminal; a control unit including at least one of a zoom control unit controlling the zoom lens according to a zoom value, a pan control unit panning the image acquiring unit according to a pan value and a tilt control unit tilting the image acquiring unit according to a tilt value; a memory storing the control data.

Abstract: Provided is a method of merging or fusing a visible image captured by a visible camera and an infrared (IR) image captured by an IR camera. The method includes: providing a first image of a subject captured by a first camera and a second image of the subject captured by a second camera; converting brightness of the second image based on brightness of the first image; and merging the first image and the second image having the converted brightness.

Abstract: Provided is a method and apparatus for restoring color of an input image. The method includes: separating multiple band information of a near infrared (NIR) channel from information of the input image by using a correlation between a color channel and the NIR channel in the input image; obtaining estimated invisible light band information of the NIR channel from the multiple band information of the NIR channel and estimated multiple band information of the NIR channel which is estimated from the color channel; estimating invisible light band information of the color channel based on the estimated invisible light band information of the NIR channel; and restoring a visible light band image of the color channel by removing the estimated invisible light band information of the color channel from multiple band information of the color channel included in the information of the input image.

Abstract: A turbine system includes a compressor unit which compresses a fluid; a combustor unit which burns fuel with the compressed fluid; a turbine unit which is driven due to a combustion gas that is generated when the combustor unit burns the fuel; and a first device which receives power that is generated when the turbine unit is driven. The at least one compressor unit operates using at least the generated power, and is separately disposed from at least one of the turbine unit and the first device.

Abstract: An apparatus and a method for calculating a flicker-evaluation value through a wide dynamic range (WDR) system. The apparatus includes: a first calculator configured to calculate a first difference between a pixel value of a long exposure image of a current frame and a pixel value of a long exposure image of a previous frame; an average calculator configured to calculate an average of the pixel value of the long exposure image of the current frame and the pixel value of the long exposure image of the previous frame; a second calculator configured to calculate a second difference between a pixel value of a short exposure image of the current frame and the average calculated by the average calculator; and a flicker-evaluation value calculator configured to calculate a flicker-evaluation value which indicates a flicker strength using the first difference and the second difference.

Abstract: A person counting device generates a single panorama image by using a plurality of images respectively captured by a plurality of cameras, inserts an imaginary line to the single panorama image; and counts the number of persons that pass the imaginary line. To this end, identification numbers are allocated to respective persons in the plurality of images, the single panorama image including the imaginary line is restored to a plurality of images including same imaginary line information, the number of persons that pass a new imaginary line in each of the plurality of restored images is determined, and the number of duplicate-counted persons is ruled out.

Abstract: There is provided an impeller rotating about a rotary shaft, the impeller including: an inlet through which a fluid is introduced; an outlet through which the fluid is discharged; a supporter connected to the rotary shaft; a blade portion provided on the supporter; a shroud portion disposed to cover the blade portion; and a sealing portion including at least one sealing protrusion protruding in a direction that is in parallel with the rotary shaft, and disposed at a portion of the shroud portion, which configures the inlet.

Abstract: An apparatus, a method, and a program for processing an image are provided. The apparatus includes: a determiner which determines an area corresponding to a white-saturation area included in a raw image based on raw data representing the raw image, wherein the raw image is obtained by photographing and is not processed; and a converter which selectively performs an image space frequency distribution conversion on a portion of the raw data that corresponds to the determined area corresponding to the white-saturation area. The converter reduces luminance changes of pixels which are not a preset reference pixel in the area corresponding to the white-saturation area.

Abstract: Provided is an image processing apparatus and method. The image processing apparatus includes: a detection unit configured to detect a motion by using a long-exposed image in a current frame and a long-exposed image in a previous frame; and a processing unit configured to perform infinite impulse response (IIR) filtering on a short-exposed image in the current frame according to a result of the detecting of the motion which is obtained from the detection unit.