Tokyo Metropolitan Industrial Technology Research Institute

Akira Monkawa

Shinya Abe

Shoichi Nakanishi

Mikiya Kondo

Koh Harada

The present invention provides a device and a method for image reconstruction at different X-ray energies that make it possible to achieve image reconstruction with higher accuracy. A device for image reconstruction at different X-ray energies includes: an X-ray sourcethat irradiates a specimen to be imagedwith X-rays; an energy-dispersive detectorthat detects a characteristic X-ray emitted from the specimen to be imaged; a signal processing means that quantifies the peak of the characteristic X-ray detected by the detector; and an image reconstruction means that reconstructs an image on the basis of a signal from the signal processing means.

Device and method for image reconstruction at different X-ray energies, and device and method for X-ray three-dimensional measurement

Provided are an image acquisition device and an image acquisition method capable of acquiring the internal and external contours of a measured object with a high degree of accuracy. An image acquisition deviceincludes: a first X-ray sourcethat applies X-rays having a first focal point size; a first detectorthat detects X-rays applied from the first X-ray sourceand having passed through a measured object O; a first image generation meansthat generates a first X-ray CT image on the basis of the X-rays detected by the first detector; a second X-ray sourcethat applies X-rays having a second focal point size smaller than the first focal point size; a second detectorthat detects X-rays applied from the second X-ray source and having passed through the measured object O; a second image generation meansthat generates a second X-ray CT image on the basis of the X-rays detected by the second detector; and an image correction meansthat corrects the first X-ray CT image generated by the first image generation meanson the basis of the second X-ray CT image generated by the second image generation means

Image acquisition device, image acquisition method, and image correction program

A device and a method for image reconstruction at different X-ray energies that make it possible to achieve image reconstruction with higher accuracy. A device for image reconstruction at different X-ray energies includes: an X-ray sourcethat irradiates a specimen to be imagedwith X-rays; an energy-dispersive detectorthat detects a characteristic X-ray emitted from the specimen to be imaged; a signal processor that quantifies the peak of the characteristic X-ray detected by the detector; and an image reconstruction device that reconstructs an image on the basis of a signal from the signal processor.

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Tokyo, Japan

Akira Monkawa