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7277568 Method for suppressing ghost image artifacts in x-ray device for performing this method  
A method for suppressing ghost image artifacts in x-ray images is provided. In chronological order, a plurality of x-ray images of one or more objects is generated with the interposition of at...
7031508 Reflectometry system with compensation for specimen holder topography and with lock-rejection of system noise  
A self-contained system uses light reflectivity to examine intensity of a dyed spot on a device membrane surrounded by background area to discern information about the specimen that produced the...
6990368 Method and apparatus for virtual digital subtraction angiography  
A medical imaging system is provided that detects any change in relative position between the patient and the imaging device and corrects the image data for any motion that occurs. The medical...
6714621 Method and apparatus for radiological examination by injection of a contrast medium  
Method and apparatus for examination of a breast, in which a contrast medium is injected in the breast to be examined, an X-ray beam is emitted in the direction of the breast; a plurality of...
6561979 Medical diagnostic ultrasound system and method  
A portable medical diagnostic ultrasound system is provided which includes shielding for electromagnetic interference by forming shielded enclosed compartments around the individual components of...
6524244 Medical diagnostic ultrasound system and method  
The preferred embodiments described herein provide a medical diagnostic ultrasound imaging system and method in which a non-real-time operating system is used to transfer image data. In one...
6508763 Medical diagnostic ultrasound system and method  
The preferred embodiments described herein relate to a medical diagnostic ultrasound imaging system with at least one reprogrammable logic device, such as, for example, a field programmable gate...
6497664 Medical diagnostic ultrasound system and method  
A medical diagnostic ultrasound receive beamformer includes an upsampler upstream of a time delay device and a summer, and a smoothing filter downstream of the time delay device and the summer. The...
6488625 Medical diagnostic ultrasound system and method  
A medical diagnostic ultrasound system is provided which is portable and capable of being carried by a built in handle from location to location by single person. The system is provided in a...
6468213 Medical diagnostic ultrasound system and method  
A scan converter using a re-programmable logic device provides flexibility for converting data from an acoustic grid to a display format. A set of instruction codes is provided for implementing the...
6436039 Medicial diagnostic ultrasound system and method  
The preferred embodiments described herein provide a medical diagnostic ultrasound imaging system and method in which at least two image components of an image are separately stored in the...
D454954 Medical diagnostic ultrasound system  
EP0704823B1 Method of judging depth relationship between subjects for converting two-dimensional images into three-dimensional images  
Abstract of EP0704823 The present invention relates to a method of judging the back-and-forth positional relationship between subjects. Amounts of horizontal movement of the subjects which are...
6333991 Analysis of radiographic images  
Two analysis methods for a portal image are disclosed, one to check apparatus setup and the other to check patient positioning. The first involves preparing a reference radiation field image and a...
6312381 Medical diagnostic ultrasound system and method  
A diagnostic ultrasound system and method for providing temporally accurate EKG data with imaging is provided. The EKG data is linked to imaging data. The frame of data of imaging data contains EKG...
D445189 Medical diagnostic ultrasound system  
6228030 Method of using ultrasound energy to locate the occurrence of predetermined event in the heart cycle or other physiologic cycle of the body  
A scheme is provided for locating the time of occurrence of a predetermined event in a physiologic cycle associated with an anatomical object of a subject's body. Echoes produced from transmission...
6086537 System for reducing speckle in full motion ultrasound image data by filtering across physiologic cycles  
Speckle is reduced in full motion ultrasound image data representing anatomic structures which have periodic physiological motion. Echoes produced from transmission of ultrasound energy into a...
6056691 System for collecting ultrasound imaging data at an adjustable collection image frame rate  
Ultrasound imaging data is collected at an adjustable collection image frame rate. Echoes produced from transmission of ultrasound energy into a subject's body are processed by an image frame...
6004270 Ultrasound system for contrast agent imaging and quantification in echocardiography using template image for image alignment  
A difference image processing scheme and contrast-only difference image processing scheme is provided for imaging anatomic structures or vessels which have periodic physiological motion that define...
5976088 Ultrasound imaging systems and methods of increasing the effective acquisition frame rate  
Ultrasound imaging data obtained from anatomic structures which have periodic physiologic motion that define successive physiologic cycles is packaged into image loops. Each image loop includes...
5717778 Optical specimen analysis system and method  
A method and system for automatically analyzing the presence of an analyte in a liquid specimen of biological origin are described. The liquid specimen is added to a testing substrate that has a...
5717602 Automated electrophoresis and analysis system  
An automated electrophoresis apparatus defining an enclosure that receive a sample gel containing sample material. A voltage is applied to the sample gel and the material migrates through the...
5699443 Method of judging background/foreground position relationship between moving subjects and method of converting two-dimensional images into three-dimensional images  
The present invention relates to a method of judging the back-and-forth positional relationship between subjects. Amounts of horizontal movement of the subjects which are detected for detecting...
5563720 Expert system for image enhancement  
A method, system and process for improving image enhancement tools through the application of expert systems. The improvements are accomplished by the operation of a process in the memory of a...
5553157 Method for the processing of the images of a batch of images  
The noise is eliminated from the images by carrying out a first Fourier transform of the images of an original batch of images. Each of these transformed images is then broken down into Fourier...
EP0704823A2 Method of judging back-and-forth positional relationship between subjects and method of converting two-dimensional images into three-dimensional images  
The present invention relates to a method of judging the back-and-forth positional relationship between subjects. Amounts of horizontal movement of the subjects which are detected for detecting...
5467404 Method and apparatus for contrast enhancement  
A method and apparatus are disclosed for enhancing the contrast of a digital image by a) decomposing said original image into a sequence of detail images or into an array of coefficients...
5367318 Method and apparatus for the simultaneous display of one or more selected images  
A system for displaying selected images on a video display device is provided. One or more sources of image frames are included which sources may be digital or analog and which sources may present...
EP0604291A1 Processing method for a set of images.  
The noise in the images is eliminated by carrying out a first Fourier transform (11) of the images of a set of original images (I). Each of these transformed images (R, J) is next decomposed into a...
5258928 Parts efficient memory based functional circuit having selectable transfer characteristics  
A processing system requiring adaptive selection of ones of a family of transfer functions is implemented with a single transfer function element arranged to perform a transfer function...
5250933 Method and apparatus for the simultaneous display of one or more selected images  
A system for displaying selected images on a video display device is provided. One or more sources of image frames are included which sources may be digital or analog and which sources may present...
5212737 Real time data averager for use in computed tomography scanning  
A helical CT scanning system includes a real time averager that rapidly processes data from the system's detector array, to enable substantially real time production of X-ray images. The averager,...
5133020 Automated method and system for the detection and classification of abnormal lesions and parenchymal distortions in digital medical images  
A method for automated analysis of abnormalities in the form of lesions and parenchymal distortions using digital images, including generating image data from respective of digital images derived...
5049748 Method and apparatus for forming energy subtraction images  
Digital image signals are detected from radiation images of an object constituted of bones and soft tissues. A subtraction process is carried out with a predetermined parameter on the digital image...
5048110 Method and apparatus for automatically correcting subtraction image density  
In a temporal subtraction processing conducted by use of stimulable phosphor sheets, the difference between maximum transmitting radiation amount of digital image signals detected from the...
5008185 Methods and apparatus for the quantitation of nuclear proteins  
An image analysis system is used for the quantitation of nuclear proteins in cell populations. Particularly, the hormonal receptor content of fine needle aspirates of human breast carcinomas are...
5003616 Image processing apparatus  
An image processing apparatus having a character extraction unit for extracting an area whose density distribution characteristic meets a predetermined condition such as a binarization threshold...
4947323 Method and apparatus for measuring small spatial dimensions of an object  
A method and apparatus are disclosed for measuring spatial dimensions of an object. The object is positioned between a radiation source and a radiation sensitive surface, such as between an X-ray...
4941192 Method and apparatus for recognizing pattern of gray level image  
In a method of recognizing a pattern of a gray level image the image to be processed is subjected to a normalization process, local gray level feature parameters are extracted from the normalized...
4916745 Bayesian image processing method and apparatus  
A Bayesian image processing method and apparatus take into account supplementary source information previously ignored by most likely source distribution techniques and produce highly accurate...
4878115 Dynamic coronary roadmapping  
A dynamic coronary roadmap of the coronary artery system is produced by recording and storing a visual image of the heart creating a mask sequence, recording and storing another dynamic visual...
4720843 Method for separating moving structures from a fixed background in a sequence of X-ray projection images and equipment for implementing this method  
The invention relates to an X-ray subtraction method, and equipment for implementing this method, in which a moving structure is subtracted from the fixed background. The picture values...
4685146 Automatic misregistration correction  
A method and system for determining the movement of an object between different images of the same object; where the movement is defined by a vector value and the vector value is used to correct...
4644582 Image registration method  
Two images to be registered are divided into a plurality of image portions. A standard point for the registration is extracted for each of the image portions divided. Coordinate transformations...
4641352 Misregistration correction  
A misregistration correction system that corrects for artifacts generated by the movement of a subject being imaged during the interval between temporally separated images. The system reduces the...
4636850 Apparatus and method for enhancement of video images  
An apparatus and method for producing digital video images provides for obtaining a first image (42) and a second image (44), and subtracting the first from the second to obtain a difference image...
4578765 Image comparison systems  
The invention is for comparing a master image, stored by means of binary signals, with an image under test, which is stored by means of corresponding binary signals. Both sets of binary signals are...
4559557 Region-of-interest digital subtraction angiography  
In digital subtraction angiography a low X-ray energy temporal subtraction image is displayed on a video monitor. Regions in the temporal image frame that contain motion artifacts are outlined by...
4551800 Integrated hybrid image remasking in a subtraction angiography method  
In a subtraction angiography hybrid difference images are generated and reviewed visually. Hybrid images that exhibit no x-ray contrast medium and are free of artifacts are identified and selected...
Matches 1 - 50 out of 62 1 2 >