17 results about "Scan types" patented technology

The application provides a kind of enterprise product verification processing method, device, equipment and storage medium. It relates to resource management technical field. The method comprises: in response to product submission event, determine the submission piece related information of target product in product submission event;Submission piece related information includes the directory structure of target product and standard file under the directory structure. The standard file under the directory structure in submission piece related information is analyzed and processed to obtain analysis result information;Analysis result information includes product file and product directory information of target product. According to the preset scanning type, the preset scanning program corresponding to the scanning type is dispatched, and the product file and product directory information in analysis result information are scanned and verified to determine and output verification scanning report. The method of the application solves the problem of low verification efficiency of enterprise product.

The application discloses an old person free breathing coronary artery scanning image lesion analysis system and relates to the technical field of scanning image lesion analysis. In order to solve the problem that the accurate condition of a patient cannot be obtained according to a scanning image. The application adopts a diameter method, an area method and a contrast agent filling condition to judge the stenosis degree and the hemodynamic change, analyzes the lesion from the morphological and functional double angles, provides comprehensive information for clinical decision-making, identifies the R wave peak value and divides the cardiac phase, matches the respiratory signal and the projection data in time, can accurately capture the characteristics of the heart in different motion states and the respiratory stage, effectively avoids the interference of the artifacts caused by the heart beat and the respiratory motion, makes the reconstructed image clearer and more accurate, sets the CT and the injector parameters in sequence from the scanning type confirmation, each link is closely related and the target is clear, improves the work efficiency, and is convenient for quality control and process management.

The invention relates to the field of image processing, and discloses a large-view-field sweep type drop point miss distance extraction method based on background stitching. According to the implementation scheme, the method comprises the following steps: 1, before a task, determining and searching a large-view-field area, and calculating a single-view-field view field angle; 2, slowly and horizontally scanning from left to right by the photoelectric theodolite, and splicing a background; 3, after the task is started, staring a preset drop point view field by the photoelectric theodolite, detecting a smoke column in a neighborhood on a horizon line, and extracting a drop point; and 4, outputting the drop point miss distance during staring or sweeping. According to the method, a background splicing-based large-field-of-view frame difference method and a strategy of staring detection first and then sweep detection are adopted, and the drop point miss distance is extracted by using the smoke column position. The method improves the detection capability of the target drop point of the visible light target in the target range.

Ultrasonic testing (UT) data acquired during an inspection of an object is received and a first image of a portion of the object is displayed. The first image is generated in a first scan type based on the UT data. A first user input characterizing a first modification of the first image to focus on a region of interest within the portion of the object can be received, and the first image can be updated based on the first modification. A second user input characterizing a switch from the first scan type to a second scan type can be received. A second image of the portion of the object that is generated in the second scan type can then be displayed. A second modification to the second image based on the first modification to display the region of interest within the portion of the object can be automatically applied.

Ultrasonic testing (UT) data acquired during an inspection of an object is received and a first image of a portion of the object is displayed. The first image is generated in a first scan type based on the UT data. A first user input characterizing a first modification of the first image to focus on a region of interest within the portion of the object can be received, and the first image can be updated based on the first modification. A second user input characterizing a switch from the first scan type to a second scan type can be received. A second image of the portion of the object that is generated in the second scan type can then be displayed. A second modification to the second image based on the first modification to display the region of interest within the portion of the object can be automatically applied.

The present application relates to a kind of linear array swing scan type optical satellite on-orbit geometric calibration method based on equivalent surface array, comprising the following steps: step 1, by image matching or artificial measurement method, from high-precision digital orthophoto map and digital elevation model, obtain the ground control point on the single pendulum satellite image;Step 2, according to the geometric relationship between the rotating scanning mirror, motion compensation mirror and linear array CCD in satellite imager and its imaging process, construct linear array swing scan type optical satellite geometric calibration model based on equivalent surface array;Step 3, using ground control point, solve linear array swing scan type optical satellite geometric calibration parameter.The present application can realize linear array swing scan type optical satellite high-precision on-orbit geometric calibration, thereby providing support for linear array swing scan type optical satellite image high-precision geometric processing.

The invention discloses a low-quality image filtering method and system, and aims to solve the problems that a conventional filtering method neglects optical characteristics and is insufficient in feature extraction. The method comprises the following steps: acquiring a low-quality image and optical parameters such as aperture shape, focal length and wavelength; a dynamic point spread function is generated based on the improved Fraunhofer diffraction principle, wavefront aberration compensation is achieved through a Zernike coefficient matrix and complex field convolution, and optimization features are obtained; a quality evaluation network including cross-channel convolution, dense convolution and classification sub-networks is used for outputting a quality level, and multi-level filtering is executed in combination with diffraction characteristic optimization and scanning type recognition. The network training adopts a difficult sample sampling and physical constraint confrontation strategy, so that the generalization ability and the physical consistency are improved. The method is suitable for scenes of medical images, security monitoring, industrial detection and the like, and high-quality images can be accurately screened.

The application provides a line array swing scanning type optical satellite swing mirror error correction method and system, which comprises the following steps: obtaining ground control points on the first swing and the last swing satellite images from high-precision reference data; obtaining connecting points between adjacent two swing satellite images; constructing a line array swing scanning type optical satellite swing mirror error correction model according to the imaging device structure and imaging mechanism of the line array swing scanning type optical satellite; solving line array swing scanning type optical satellite swing mirror error correction parameters by using the control points and the connecting points; and correcting the line array swing scanning type optical satellite swing mirror error by using the swing mirror error correction parameters. The application can realize accurate correction of the line array swing scanning type optical satellite swing mirror error, thereby providing support for high-precision geometric processing of the line array swing scanning type optical satellite image.

A method carried out by a computing device may include: receiving a plurality of models each associated with a type of sub-primal cut, including a reference shape(s) for detection of a corresponding match characteristic by a corresponding scan type, and including a plurality of attribute characteristic value ranges; receiving a registered scan of a sub-primal cut including scans showing corresponding match characteristics; identifying attribute characteristics for the sub-primal cut using the registered scan; concurrently aligning reference shape(s) of each model to corresponding match characteristics and calculating a shape match values based on the alignment; determining a best model match for the registered scan using a plurality of attribute match values calculate based on the identified attribute characteristics compared to the attribute characteristic value ranges and the plurality of shape match values; and assigning a type of sub-primal cut to the sub-primal cut based on the best model match.

The application relates to the field of code security scanning, and discloses a method, a system, a device and a medium for improving code security scanning. The method comprises the following steps: obtaining front-end code and back-end code of a scanning project; determining a scanning type of the scanning project according to whether the front-end code and the back-end code are in the same scanning task; determining a mapping file containing a mapping relationship of the front-end code and the back-end code; loading the mapping file, and scanning the scanning project according to the scanning type of the scanning project; and updating a scanning result of the front-end code according to the mapping relationship of the mapping file and a scanning result of the back-end code. The method disclosed by the application is beneficial to improving the scanning efficiency and the scanning accuracy of the overall code of a project and reducing the workload of manual auditing.

The utility model relates to multi-slit push-scan type hyperspectral imaging system, including front objective lens, multi-slit element, spectrometer imaging subassembly and panchromatic focal plane detector, multi-slit element sets up in the imaging light path of front objective lens, multi-slit element includes rectangular window and multiple parallelly arranged slits, and the rectangular window department sets up filter, spectrometer imaging subassembly respectively receives the light that transmits from rectangular window and slit and handles after, focuses to panchromatic focal plane detector again, panchromatic focal plane detector gathers the light after spectrometer imaging subassembly processing, forms spatial image and spectral data, realizes the errorless splicing and fusion of spectral image according to the position and attitude change in spatial image continuous two frames, obtains the spectral image of high spatial resolution, high spectral resolution. The utility model front lens, the joint design of multi-slit element and spectrometer imaging subassembly obtains the optical system that spectrometer imaging performance is excellent, and the volume is small, and the signal-to-noise ratio is high, and the image acquisition rate is high.

The present application relates to a kind of line array swing sweep type optical satellite image geometric correction method and system, including according to the imaging geometric mechanism of line array swing sweep type optical satellite, construct the geometric correction model of line array swing sweep type optical satellite image;According to satellite image geometric correction model, using satellite image imaging time parameter, satellite attitude parameter, satellite orbit parameter, satellite camera parameter and digital elevation model, calculate and obtain the longitude and latitude corresponding to each image point on satellite image;Based on the spatial resolution of geometric correction image, the maximum and minimum of the longitude and latitude corresponding to four corner points of satellite image are calculated, the longitude and latitude of the starting point of the upper left of geometric correction image and the width and height of image are determined;According to the gray value and longitude and latitude of image point on satellite image and the starting point longitude and latitude and spatial resolution of geometric correction image, the gray value of each image point on geometric correction image is calculated, and the geometric correction processing of line array swing sweep type optical satellite image is completed.

This application relates to a magnetic resonance imaging (MRI) scanning method, an MRI equipment control method, and a medical device. The method includes: acquiring scanning requirement information of the scanned object and the current step of the MRI scan; determining operation guidance information matching the current step based on the MRI equipment's scanning specification database, the current step, and the scanning requirement information; the scanning specification database stores scanning operation knowledge of the MRI equipment under various scanning types; the operation guidance information includes operation information and corresponding operation principles; and generating a scanning prompt message based on the operation guidance information. This method can improve the quality of MRI scan images.

The application discloses a kind of unmanned aerial vehicle hyperspectral non-imaging paradigm's oil slick detection method, comprising: parallel push-scan type scanning is carried out to offshore oil spill area, and the hyperspectral original data of measurement sea area is obtained;Spectral mixing matrix pixel splicing method is used to seamlessly splice the hyperspectral original data into image to obtain clean sea area data, other coastline and land non-oil slick area hyperspectral pixel cube;Full-spectral data set obtained in oil slick area and suspected oil slick area is regarded as foreground, and corresponding area relative position information is retained, other clean sea area data, other coastline and land non-oil slick area data are marked as background;The background is carried out hyperspectral cube sparse representation, and spectral segment sparse line compression is carried out using matrix mapping mode to obtain sparse data set, and the feature data set of oil slick area and sparse data set are used as transmission data;Containing relative position information oil slick area is marked to background image, and oil slick area focusing result is marked on map.

This provides technology for encoding and decoding feature maps. [Solution] The present invention provides a feature map encoding device comprising: a feature map reduction unit that converts a multi-scale feature map to generate a single-scale feature map; a packing unit that identifies the scan type of the single-scale feature map, packs the single-scale feature map into a frame based on the identified scan type to generate a packed feature frame; an encoding unit that encodes the scan type; and a feature map internal encoding unit that encodes the packed feature frame.