Digital scan converter
A technology of digital scan transformation and coordinate transformation, which is applied in medical science, sonic diagnosis, infrasound diagnosis, etc. It can solve the problem of not being able to adjust and select different interpolation methods, and achieve the effect of optimization effect.
Inactive Publication Date: 2009-12-09
SHENZHEN LANDWIND IND
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[0006] The technical problem to be solved by the present invention is to provide a digital scan conversion device to overcome the defect that the DSC interpolation device in the prior art cannot adjust and select different interpolation methods according to image characteristics
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[0025] Below according to accompanying drawing and embodiment the present invention will be described in further detail:
[0026] like image 3 As shown, the digital scan conversion device of the present invention includes a line data buffer, a frame image memory, a scan conversion input controller, a scan conversion output controller, and a coordinate converter. The line data buffer is connected to the frame image memory, The coordinate converter is respectively connected to the scan conversion output controller and the frame image memory, the scan conversion input controller is connected to the frame image memory, and further includes a selector and at least two interpolation sub-modules, the The input ends of the selector are respectively connected with the coordinate converter and the frame image memory, the output ends of the selector are respectively connected with each interpolation sub-module, and the selector is controlled by the selector control signal to convert the...
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The invention discloses a digital scan converter, which comprises a line data buffer, a frame image memory, a scan conversion input controller, a scan conversion output controller, and a coordinate converter, wherein the line data buffer is connected with the frame image memory, the coordinate converter is connected with the scan conversion output controller and the frame image memory respectively, and the scan conversion input controller is connected with the frame image memory. The digital scan converter also comprises a selector and at least two interpolation sub-modules, wherein the input end of the selector is connected with the coordinate converter and the frame image memory respectively, the output end of the selector is connected with each interpolation sub-module respectively, and the selector is controlled by selector control signals to send the output data of the coordinate converter and the output data of the frame image memory to one of the interpolation sub-modules.
Description
technical field [0001] The invention relates to the technical field of ultrasonic image processing, in particular to a digital scan conversion device. Background technique [0002] Medical ultrasound imaging technology occupies an extremely important position in modern diagnostic technology due to its advantages of completeness, wide adaptability, intuitiveness, repeatability, strong identification of soft tissues, flexibility and low price. Ultrasound imaging equipment is a widely used medical imaging equipment, and its technology is very mature. [0003] like figure 1 As shown, the ultrasonic imaging equipment emits the emission excitation and the high-voltage switch excites the probe to emit sound waves. The sound waves are reflected back to the probe through the human body tissue. After receiving and amplifying, beam synthesis, demodulation, and signal processing, DSC (digital scan conversion) is performed, and then sent to the display. to display. [0004] DSC is a v...
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IPC IPC(8): A61B8/00
Inventor 张钰
Owner SHENZHEN LANDWIND IND