Abstract: An X-ray generator and an X-ray photographing apparatus including the X-ray generator generate characteristic X-rays. The X-ray generator includes an electron beam emission unit that emits electron beams; an electron beam guide unit, in which the electron beam emission unit is disposed, for condensing the electron beams and causing the electron beams to travel in a predetermined direction; and a target unit disposed to face the electron beam guide unit, and discharging X-rays when the electron beams collide with the target unit.

Abstract: An X-ray imaging method includes obtaining first information including X-ray accumulation amount of an object; determining an imaging protocol for imaging the object based on the received first information; and acquiring an X-ray image of the object based on the determined imaging protocol. The first information including the X-ray accumulation amount of the object is obtained from a device of the object via a short range wireless communication or from an external database based on authentication information input received from the object.

Abstract: An imaging apparatus and a method improving the sensitivity of the imaging apparatus are provided. The imaging apparatus includes a pixel binning unit pixel binning input image data to a given pixel size; a gain determining unit determining a pixel binning gain based on the input image data or the brightness of the input image data; and a calculating unit calculating output image data based on the pixel binned input image data and the pixel binning gain. Accordingly, the resolution of input image data can be preserved and the dynamic range of an image signal under low illumination conditions can be expanded.

Abstract: A method of providing medical imaging guidance information for use in operating a medical imaging apparatus detects motion of an examinee placed on a support table positioned for imaging by a medical imaging device. The method compares a level of the detected motion with a predetermined threshold value and adaptively selects and provides guidance information enabling reducing impairment of image quality due to examinee physical motion, in response to the comparison.

Abstract: A method and apparatus of acquiring a plurality of focal spots for X-rays. The method includes radiating an electron beam from a cathode of a magnetic field generating apparatus toward a movable anode of the magnetic field generating apparatus, and irradiating a target with an X-ray that is produced from the radiated electron beam by the anode. The anode comprises an inclined side in which a part of the inclined side protrudes, and the plurality of focal spots for X-rays are acquired based on the radiated electron beam and the inclined side.

Abstract: An image processing method, an image capturing apparatus applying the same, and an image processing system. The image processing method includes capturing an image, generating intermediate data by primarily processing the captured image, generating final processing data including instructions to initiate a final process to convert the intermediate data into final data, and transmitting the intermediate data and the final processing data to an external image processing apparatus to perform the final process. Accordingly, an image quality of the image is improved as compared to an image quality of a final image processed in real time by a conventional image capturing apparatus, and a variety of functions can be provided.

Abstract: A collimator module which may be disposed in a radiation detector of a radiological imaging apparatus using the collimator module may include a first collimator having a plurality of openings, through which radiation having passed through an object passes, and a second collimator located below the first collimator and having a plurality of openings, through which radiation having passed through the first collimator passes. The first collimator or the second collimator is designed so as to be movable or rotatable relative to the second collimator or the first collimator. Through movement of the first collimator or the second collimator, the size of a passage region that allows radiation having passed through the object to pass through the first collimator or the second collimator is adjustable.

Abstract: A medical imaging apparatus and/or method includes a gantry, a control unit, and a display unit. The gantry has a source for generating an X-ray and a detector for detecting the X-ray passing through an object. The gantry allows the source and the detector to rotate around the object. The control unit obtains operational information of the gantry. The display unit outputs the obtained operational information of the gantry.

Abstract: A radiography imaging apparatus comprises a radiation source to generate radiation for irradiation of a patient. A radiation detection unit comprises a plurality of detection modules to detect radiation having passed through the patient and to convert the radiation into an electrical signal and to convert the electrical signal into a digital signal to provide digital data. A data collection unit collects the digital data from the plurality of detection modules for use in generation of a radiography image of the patient, wherein each of the plurality of detection modules transmits the digital data to a neighboring detection module, and at least one of the plurality of detection modules transmits cumulative digital data acquired from the plurality of detection modules to the data collection unit.

Abstract: An X-ray generator and an X-ray photographing apparatus including the X-ray generator generate characteristic X-rays. The X-ray generator includes an electron beam emission unit that emits electron beams; an electron beam guide unit, in which the electron beam emission unit is disposed, for condensing the electron beams and causing the electron beams to travel in a predetermined direction; and a target unit disposed to face the electron beam guide unit, and discharging X-rays when the electron beams collide with the target unit.

Abstract: An image processing method, an image capturing apparatus applying the same, and an image processing system. The image processing method includes capturing an image, generating intermediate data by primarily processing the captured image, generating final processing data including instructions to initiate a final process to convert the intermediate data into final data, and transmitting the intermediate data and the final processing data to an external image processing apparatus to perform the final process. Accordingly, an image quality of the image is improved as compared to an image quality of a final image processed in real time by a conventional image capturing apparatus, and a variety of functions can be provided.

Abstract: A three-dimensional (3D) camera and a method of operating the same are provided. The 3D camera includes: a first photographing lens unit; a first image sensor which obtains first image information of an object through the first photographing lens unit; a beam division unit disposed on an optical path between the first photographing lens unit and the first image sensor and which propagates light along a first path on which the first image sensor is positioned and along a second path that is different from the first path; a second photographing lens unit disposed on the second path; a second image sensor which obtains second image information of the object through the first photographing lens unit and the second photographing lens; and an image processing unit which generates 3D image information from the obtained first image information and the obtained second image information.

Abstract: Provided are an apparatus and a method for compensating signal distortion caused by noise. The apparatus comprises a noise reduction unit which reduces noise of an input signal including non-zero mean random noise, and a signal compensator which compensates the output signal of the noise reduction unit so that a signal distortion due to the non-zero mean random noise is removed from the output signal of the noise reduction unit.

Abstract: Provided are an apparatus and method for stably correcting handshake that occurs during a camera panning situation. In the method, movement information is accumulated by a predetermined unit for a predetermined period of time. A regression model is matched to the accumulated movement information so as to determine a situation as one of a panning mode and a handshake mode. Switching is performed between the handshake mode and the panning mode according to the size of a matching factor generated by the matched regression model. Handshake is corrected on the basis of a handshake correcting amount determined according to one of the handshake mode and the panning mode.

Abstract: A method and a device for converting an image are disclosed. According to an embodiment of the present invention, the method for converting a two-dimensional image to a three-dimensional image by an image conversion device can include: receiving and setting overall depth information for an original image; classifying the original image into partial objects and setting three-dimensional information for each of the partial objects; generating a first image by moving the original image by use of the three-dimensional information; receiving and setting a zero point for the original image; generating a second image by moving the original image by use of the zero point; and generating a three-dimensional image by combining the first image and the second image. Accordingly, a still image can be converted to a three-dimensional image.

Abstract: Provided are an imaging method for use with a variable coded aperture filter and an imaging apparatus using the imaging method. The variable coded aperture filter includes a plurality of regulated patterns which may be properly selected, and an image obtained via a certain pattern of the variable coded aperture filter may be processed by a deconvolution method related to the certain pattern. The patterns in the variable coded aperture filter have different aperture degrees from each other so as to adjust an exposure amount, and accordingly, a subject which is extremely bright or extremely dark may be photographed and depth information and focus information may be obtained from the photographed image. Therefore, images of high image quality may be obtained in a large range of brightness variation.

Abstract: A transcoding apparatus and method, and target bit-allocation and picture complexity estimation units and methods used for the same are provided. The transcoding apparatus includes: a video decoding unit which receives a compressed bitstream and performs decoding thereof to output decoded pictures; a complexity estimation unit which estimates complexity of a current picture among the decoded pictures to encode the current picture; a target bit-allocation unit which performs desired bit-allocation using the complexity information of the current picture; a bit-rate control unit which controls bit-rate using bit-allocation information and state information from memory, which outputs an encoded bitstream; and a video encoding unit which encodes the decoded pictures on the basis of the bit-allocation and state information of the bit-rate control unit. Therefore, an effect exists for transcoding that improves image quality.

Abstract: Provided are an apparatus and method for stably correcting handshake that occurs during a camera panning situation. In the method, movement information is accumulated by a predetermined unit for a predetermined period of time. A regression model is matched to the accumulated movement information so as to determine a situation as one of a panning mode and a handshake mode. Switching is performed between the handshake mode and the panning mode according to the size of a matching factor generated by the matched regression model. Handshake is corrected on the basis of a handshake correcting amount determined according to one of the handshake mode and the panning mode.

Abstract: Provided are an apparatus and a method for compensating signal distortion caused by noise. The apparatus comprises a noise reduction unit which reduces noise of an input signal including non-zero mean random noise, and a signal compensator which compensates the output signal of the noise reduction unit so that a signal distortion due to the non-zero mean random noise is removed from the output signal of the noise reduction unit.

Abstract: An imaging apparatus and a method improving the sensitivity of the imaging apparatus are provided. The imaging apparatus includes a pixel binning unit pixel binning input image data to a given pixel size; a gain determining unit determining a pixel binning gain based on the input image data or the brightness of the input image data; and a calculating unit calculating output image data based on the pixel binned input image data and the pixel binning gain. Accordingly, the resolution of input image data can be preserved and the dynamic range of an image signal under low illumination conditions can be expanded.