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Class 378/98.7 - With automatic image brightness control


Subclass of Class 378 - X-ray or gamma ray systems or devices
Definition: Subject matter wherein the X-ray television system includes
No. of patents: 249
Last issue date: 07/20/2010


1              
NumberTitleIssue Date
7760856Radiographic apparatus and radiation detection signal processing method
A radiographic apparatus according to this invention, when a predetermined operation relating to radiographic imaging is interposed during an emission of radiation, stops the emission temporarily, and also stops a recursive computation temporarily. With start of the...
07/20/2010
7443954X-ray machine
An X-ray machine includes a radiation source and an image intensifier. A digital camera is downstream of the image intensifier and includes a pixel matrix, wherein the pixel matrix is switchable between a high and a low resolution. The image intensifier displays on ...
10/28/2008
7436930Method for controlling the dose or the dose rate when recording x-ray images
With a method for controlling the dose or dose rate when recording x-ray images by means of a detector comprising image elements which record a plurality of dose data values, an actual value is determined for the dose or dose rate from the totality of the data value...
10/14/2008
7431500Dynamic exposure control in radiography
A method and system is presented in radiography for optimizing image quality of an object (e.g. an anatomical region of a patient), while minimizing the radiation dose to the patient. X-ray exposure parameters, such as operating voltage (kVp), operating current (mA)...
10/07/2008
7428295Method and x-ray apparatus for exposure of a patient at variable distances relative to an x-ray source
In a method and x-ray apparatus for exposure of a patient who can be placed at a variable distance relative to an x-ray source, the dose rate emitted by the x-ray source is reduced given reduction of the distance and/or increased given increase of the distance. ...
09/23/2008
7404673Method for generating a gain-corrected x-ray image
In a method to create a gain-corrected x-ray image with the aid of a flat-panel x-ray detector a number of gain images are determined on calibration and this is done for different measurement situations which correspond to different settings of specific x-ray imagin...
07/29/2008
7372942Medical imaging system with dosimetry for estimating circuit board life
A dosimeter is provided on or adjacent to a circuit board deployed in a radiation environment. The dosimeter may be read or output a value or values indicating radiation dosage over a period of time. The radiation dosage associated with the circuit board may be used...
05/13/2008
7342999Method and apparatus for generation of a digital x-ray image of an examination subject
In a method and apparatus for generation of a digital x-ray image of an examination subject with an x-ray tube and a digital x-ray detector, a preliminary total dose required for correct exposure is determined using prior knowledge and a complete pre-image of the ex...
03/11/2008
7336815Image defect inspection method, image defect inspection apparatus, and appearance inspection apparatus
In an image defect inspection method and apparatus which detects a gray level difference between corresponding portions of two images, automatically sets a threshold value based on the distribution thereof, compares the gray level difference with the threshold value...
02/26/2008
7332723Variable gain imaging
An apparatus may include a scintillator to emit light, imaging elements to capture image information based on received light, and an optical filter disposed between the scintillator and the imaging elements, wherein an opacity of the optical filter is controllable.
02/19/2008
7330208Electronic imaging system with adjusted dark floor correction
An electronic imaging system includes a method for calibrating an image sensor having a array of pixels each used in capturing an image, the method comprising the steps of capturing first dark floor values at a first time from substantially all of the pixels in the ...
02/12/2008
7330532Dual energy imaging using optically coupled digital radiography system
This invention relates to an optically coupled digital radiography method and apparatus for simultaneously obtaining two distinct images of the same subject, each of which represents a different x-ray energy spectrum. The two images may be combined in various ways s...
02/12/2008
7330581Image defect inspection method, image defect inspection apparatus and appearance inspection apparatus
A new image defect inspection method and a new image defect inspection apparatus capable of being used for automatic setting of a threshold value for an appearance inspection apparatus with a high throughput have been disclosed. According to the image defect inspect...
02/12/2008
7324628Method of testing a medical imaging device
A method of testing a portable x-ray device includes sensing an environmental stimulus experienced by the portable x-ray device, transmitting a signal related to the environmental stimulus to a processing unit, determining whether the signal meets an alert threshold...
01/29/2008
7321801Automatic gain adjustment device and automatic gain adjustment method
An automatic gain adjustment device and method capable of accurately adjusting a gain with a simple structure. In an automatic gain adjustment method of a feedback control system that uses a phase difference between an output signal obtained from a controlled object...
01/22/2008
7292675Automatic protocol assistance methods and apparatus
A method of providing an automatic protocol assistance includes determining a number of exposures for a scan of an object, acquiring a low dose AEC exposure of the object or acquiring at least one of a PA and an AP view, calculating an initial technique, and automat...
11/06/2007
7289601Digital image collector for X-ray systems
A digital X-ray system for capturing high quality images by maximizing the collection of emitted light from an intensifying screen in response to X-ray impact. The digital X-ray system includes a housing having a fluorescent intensifying screen for receiving emitted...
10/30/2007
7289154Digital image processing method and apparatus for brightness adjustment of digital images
A method of calculating a brightness balance value for a digital image including a plurality of pixels, comprising the steps of: calculating a spatial activity measure in a plurality of local neighborhoods of pixels of the digital image, each local neighborhood incl...
10/30/2007
7286640Dual-band detector system for x-ray imaging of biological samples
A digital dual-band detector functions as an imaging platform capable of extracting hard and soft tissue images, for example. The detector has a first detector system comprising a first scintillator for converting x-rays from a sample to an first optical signal, and...
10/23/2007
7280635Processes and apparatus for managing low kVp selection and dose reduction and providing increased contrast enhancement in non-destructive imaging
Systems, processes and apparatus are described through which non-destructive imaging is achieved, with equivalent or increased contrast, in comparison to conventional approaches, and that facilitate reduced dosage of X-rays delivered to the object or patient being i...
10/09/2007
7277525Radiographic device and radiographic method
An object is rotated by a rotation device 15 in X rays 25 generated by a X-ray generation device 11. The rotation device 15 makes constant the integration value of the X rays 25 reaching a two-dimensional X-ray sensor 12 dur...
10/02/2007
7274770X-ray examination apparatus and a method of controlling an output of an X-ray source of an X-ray examination apparatus
An X-ray examination apparatus arranged with control means to control a dose of an X-ray source in accordance with a grey-level distribution of an acquired image. The X-ray examination apparatus (1) comprises the X-ray unit (2) arranged to communicate ...
09/25/2007
7274771Methods and systems for controlling exposure for medical imaging devices
Methods and systems for controlling exposure for medical imaging devices is provided. The method includes varying the exposure level of X-rays within an X-ray imaging system to generate a plurality of images having different exposure levels and combining the plurali...
09/25/2007
7268867Apparatus and method for inspecting a semiconductor component
Examination devices and methods operating with incident light have hitherto been used for the examination of wafers. To allow these devices also to be used with the transmitted-light method, it is proposed to configure the substrate holder (16) so that an ill...
09/11/2007
7266177Method and device for generating an x-ray image
The invention relates to a method for generating an x-ray image. In order to minimize the dose rate the invention proposes that the body to be examined is first irradiated with a first dose rate. On the basis of first signals measured during this process, a second d...
09/04/2007
7257190Radiographic device and control method therefor
A radiographic device includes a radiation source which generates radiation and a detector which detects radiation from the radiation source on a two-dimensional plane and outputs an image signal, and performs radiography of a subject to be examined while rotating t...
08/14/2007
7254213Radiological imagery method and device
The relation relates to a method and a radiological imaging device. A subject (4) is illuminated by a luminous flux (1) generated by an X-ray source (2). This luminous flux (1) is a pulse having a duration tp shorter than 1 ms....
08/07/2007
7248727Method and apparatus for displaying images of an object
A region of interest is selected in an input image, such as a digital or analog image form a mammography apparatus. Display parameters for the input image or a part thereof are determined as a function of the region of interest. The image or a part thereof is displa...
07/24/2007
7239756Method for enhancing the quality of an image
A method for enhancing the quality of an image, in particular with respect to its contrast properties, comprises the step of calculating a histogram for an input image (S5), equalizing the input image on the basis of the calculated histogram to obtain a corre...
07/03/2007
7236645Image synthesizing apparatus and method
An α value in a desired shape in a desired position can be rewritten to a desired value in a desired range. α value rewriting units for rewriting an α value showing an opaqueness degree of an image are provided. When the desired position comes, an area setting si...
06/26/2007
7235789Radiation image sensing apparatus and its driving method
This invention has as its object to realize a radiation image sensing apparatus which can adjust (AEC-controls) the amount of incoming light or dose without requiring high-speed driving. Since a second photoelectric conversion element (108) which is used to d...
06/26/2007
7231077Device and method for forming an image composed of a plurality of sub-areas
The invention relates to a method of and a device for forming an image which is composed of a plurality of sub-areas, a read-out unit being associated with each sub-area and image data of adjoining image areas of neighboring sub-areas being evaluated in order to mit...
06/12/2007
7231018Imaging method and apparatus with exposure control
According to a radiation imaging apparatus, any separate AEC sensor need not be prepared. Additionally, the apparatus main body can be made compact. To accomplish this, the radiation imaging apparatus has a first optical conversion element that converts incident rad...
06/12/2007
7221791Color converter and color converting method
The present invention relates to processes of color data, and an object of the present invention is to provide a color converter and color converting method, with a color converting process for enhancing the saturation for color data, capable of preventing the influ...
05/22/2007
7218705Systems, methods and apparatus to offset correction of X-ray images
Systems and methods are provided for offset correction of images from a flat panel detector. In some embodiments, the apparatus and method develops one or more offset maps, acquired during system idle, for the imaging system at a plurality of exposure windows. In so...
05/15/2007
7209539Process and device for testing parts by X rays
The non-destructive test of a structure (10) such as an aircraft fuselage is done by placing an X-ray source (16) on one side of the structure, and placing a digital camera (24) on the other side. The microcomputer (28) analyzes the image...
04/24/2007
7206460Method for contrast matching of multiple images of the same object or scene to a common reference image
A method of imaging and a system therefore are provided. The imaging system includes an image forming device for generating a first image and a second image and a controller coupled to the image forming device. The controller receives the first image and the second ...
04/17/2007
7205547Radiographic imaging substrate, radiographic imaging apparatus, and radiographic imaging system
A radiographic imaging apparatus, comprising: a photoelectric conversion substrate including a pixel area where there are arranged a plurality of pixels each formed of a photoelectric conversion element and a switching element connected to the photoelectric conversi...
04/17/2007
7197109Real-time digital x-ray imaging apparatus
A x-ray diagnostic apparatus and methods perform Real-Time Digital Radiography with particular application in dental x-ray imaging modalities, such as Orthopantomography, Scannography, Linear Tomography and Cephalography, by using a versatile and robotized mechanica...
03/27/2007
7196725Image reading apparatus and computer readable storage medium
In an X-ray film image reading apparatus, dark output distribution data of a CCD line sensor is corrected by using correction data. In order to suppress the influence of random noises on the correction data, a dark distribution correction data calculation circuit
03/27/2007
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