69results about How to "Image data is accurate" patented technology

An image processing apparatus is capable of generating distortion-free accurate image data. The image processing apparatus has an image entering unit, an image processor, and a memory. Slice data read by the image entering unit is stored in the memory. The image processor determines whether the slice data stored in the memory is of significance or not. Then, the image processor calculates a moved distance and tilt of the slice data that has been detected as being of significance, and calculates positional coordinates of a reconstructed image area to which the slice data is to be projected, based on the moved distance and tilt of the slice data which have been calculated, and generates reconstructed image data. The generated reconstructed image data is stored in the memory.

A high-bandwidth SPM tip scanner is provided that additionally includes an objective that is vertically movable within the scan head to increase the depth of focus for the sensing light beam. Movable optics also are preferably provided to permit targeting of the sensing light beam on the SPM's probe and to permit the sensing light beam to track the probe during scanning. The targeting and tracking permit the impingement of a small sensing light beam spot on the probe under direct visual inspection of focused illumination beam of an optical microscope integrated into the SPM and, as a result, permits the use of a relatively small cantilever with a commensurately small resonant frequency. A high-bandwidth tip scanner constructed in this fashion has a fundamental resonant frequency greater than greater than 500 Hz and a sensing light beam spot minor diameter of less than 10 μm. Images can be scanned on large samples having a largest dimension exceeding 7 mm with a resolution of less than 1 Angstrom and while scanning at rates exceeding 30 Hz.

Methods and systems for processing and / or superimposing a medical image of an anatomical body (e.g., a heart) with graphical information are provided. Reference elements and / or reference catheter are placed in contact with the anatomical body. A physical structure within a navigational coordinate system is located using the reference elements and / or reference catheter. An image reference within an image coordinate corresponding to the physical structure is located. Location of the image reference can be accomplished, e.g., by displaying the medical image and electronically marking the displayed image reference, or by automatically locating image data corresponding to the image reference. The navigational and image coordinate systems are then registered based on the location of the physical structure within the navigational coordinate system and the location of the image reference within the image coordinate system, which allows graphical information to be accurately merged with the medical image data.

In the processing of image data, image data are analyzed to determine a characteristic of the image, and the characteristic and a first correction parameter in correspondence to the characteristic are displayed in a screen of a display device. A second correction parameter may be set in the screen of the display device by a user. The image data is corrected with the first correction parameter, but when the user sets a second correction parameter, the image data are corrected with the second correction parameter. Alternatively, The image data are corrected automatically with the first correction parameter, and the characteristic of the image data is displayed in a screen after the image data have been corrected.

In a method for correction of an image data set that was acquired with a planar image detector using at least two calibration images that were acquired in a preliminary procedure, as well as a method for generation of an image from a raw image data set that was acquired with a planar image detector with a high-sensitivity dynamic range and with a low-sensitivity dynamic range and which is composed of two image data sets, of which one was acquired in the high-sensitivity dynamic range and the other was acquired in the low-sensitivity dynamic range, at least two calibration images are generated in each dynamic range in a preliminary process. These calibration images are used in a correction procedure for the correction of the individual image data sets, as well as in a combination procedure to merge the two corrected image data sets into one image. In the combination procedure the two image data sets are conformed to one another using a comparison of the calibration images of the high-sensitivity dynamic range with the calibration images of the low-sensitivity dynamic range. The adjusted, corrected image data sets are added with weighting in a second step.

A system controls security devices to enhance the security of self-checkout stations. The system includes security agent applications executing in the terminals of a plurality of self-checkout stations. The security agent software generates and transmits event messages regarding security events occurring at a station to a server. The server assigns a priority level to the event messages and sends the prioritized event messages as alert messages to a security controller. The security controller is coupled to security cameras, image data storage devices, and image data display devices and generates control messages for these devices in accordance with the alert messages received. The control messages for the security cameras operate the cameras to zoom, focus, tilt, or pan with respect to the events occurring at a station. Image data storage devices are coupled by the controller to cameras for the purpose of recording image data from the station in either a continuous or still image manner. The controller may insert visual alert indicators in the video stream of a camera directed to a monitor or an audible tone in the audio of the video stream to alert security personnel to the display of ongoing security events at a station. The controller may also be coupled to a paging system to generate pages for security personnel that identify a station where a security event is occurring so the security officer may observe the station during the incident.

The invention discloses a welding seam image identification method, a computer device and a computer readable storage medium. The method includes the steps: receiving image data, performing Gaussian filtering on the received image data, and performing binarization processing on the image data after Gaussian filtering; performing edge detection on an image after binarization, and calculating a structural light center line in the image after binarization; calculating an initial straight line model of a laser bar in the image after edge detection by the aid of a random sampling consistency algorithm, calculating an interest area based on the initial straight line model, calculating an accurate straight line model of a laser bar in the image in the interest area by the aid of the random sampling consistency algorithm again, and calculating an area of welding seam characteristic information in the interest area. The invention further provides a computer device for implementing the method and a computer readable storage medium. According to the method, the welding seam characteristic information in the image can be rapidly identified, and the identifying efficiency of welding seam characteristics is improved.

To achieve a radiation detection panel capable of outputting a signal for generating an accurate pixel signal regardless of the performance of a conversion unit, a detection circuit that outputs a signal used for generating a pixel signal includes a first output circuit that outputs a signal due to afterglow, and a second output circuit that outputs a signal including both a signal based on radiation emission and a signal due to afterglow. Transistors using an oxide semiconductor material for a channel formation region are used as some transistors included in the first and second output circuits. In the radiation detection panel having this structure, the signal (a first signal or a second signal) can be held in each output circuit; therefore, after all output circuits hold the signal (the first signal or the second signal), the first signal and the second signal can be sequentially output from detection circuits.

The invention discloses a three dimensional morphology measurement device comprising an industrial robot, a clock synchronization controller, a projector, two CCD cameras, an image collecting card and a computer, wherein the two CCD cameras are respectively arranged on two sides of the projector in a symmetric manner, an included angle formed by a photocenter axis of each CCD camera and a photocenter axis of the projector ranges between 20 degrees and 60 degrees, the two CCD cameras and the projector form a measurement device which is arranged on a tail end executor of the industrial robot, a tool center point of the industrial robot is set as a center for an end face of a lens of the projector, a tool coordinate system is parallel to the photocenter axis of the projector, the clock synchronization controller is controlled by the industrial robot and is connected with the projector and the two CCD cameras, the projector is connected with the computer, and the two CCD cameras are connected with the computer via the image collecting card. The invention also discloses a corresponding measurement method. According to the measurement device and method disclosed in the invention, optimized layout of the measurement device and optimized processing of a measurement route are realized, and three dimensional morphology of a high temperature object can be measured accurately.

In a method for correction of an image data set that was acquired with a planar image detector using at least two calibration images that were acquired in a preliminary procedure, as well as a method for generation of an image from a raw image data set that was acquired with a planar image detector with a high-sensitivity dynamic range and with a low-sensitivity dynamic range and which is composed of two image data sets, of which one was acquired in the high-sensitivity dynamic range and the other was acquired in the low-sensitivity dynamic range, at least two calibration images are generated in each dynamic range in a preliminary process. These calibration images are used in a correction procedure for the correction of the individual image data sets, as well as in a combination procedure to merge the two corrected image data sets into one image. In the combination procedure the two image data sets are conformed to one another using a comparison of the calibration images of the high-sensitivity dynamic range with the calibration images of the low-sensitivity dynamic range. The adjusted, corrected image data sets are added with weighting in a second step.

A high-bandwidth SPM tip scanner is provided that additionally includes an objective that is vertically movable within the scan head to increase the depth of focus for the sensing light beam. Movable optics also are preferably provided to permit targeting of the sensing light beam on the SPM's probe and to permit the sensing light beam to track the probe during scanning. The targeting and tracking permit the impingement of a small sensing light beam spot on the probe under direct visual inspection of focused illumination beam of an optical microscope integrated into the SPM and, as a result, permits the use of a relatively small cantilever with a commensurately small resonant frequency. A high-bandwidth tip scanner constructed in this fashion has a fundamental resonant frequency greater than greater than 500 Hz and a sensing light beam spot minor diameter of less than 10 μm. Images can be scanned on large samples having a largest dimension exceeding 7 mm with a resolution of less than 1 Angstrom and while scanning at rates exceeding 30 Hz.