3D beam reconstruction by fluorescence imaging

3D Reconstruction by Stereo Imaging

Stereo vision is the process of extracting 3D depth information from multiple 2D images. Conventionally, two horizontally separated cameras are used to obtain two different perspectives on a scene. Because the cameras are separated, each feature in the scene appears at a different coordinate in both images. This difference between these coordinates is called the disparity and the depth of each ...

3D dose reconstruction in external beam radiotherapy using portal imaging

The verification of the dose delivered to a patient during radiation therapy is a particularly important step for ensuring treatment quality. This step, known as in vivo dosimetry can be realized using a bidimensional dosimeter named Electronic Portal Imaging Device (EPID). However, few methods enable the determination of an accurate and fully personalized 3D dose distribution for the most curr...

Cone Beam 3D Imaging

Design and Manipulation 3D Imaging System by using Photodiode Grid

Introduction: Radiation imaging is one of the applicable methods in diagnostic medicine and nondestructive testing for industrial applications. In nondestructive 3D imaging, in addition to the radiation source, there is a requirement for a suitable detection system, data acquisition system, mechanical sections for moving objects, reconstruction algorithm and finally a computer for processing an...

A New 3d Fluorescence Imaging Method

Here we propose a novel fluorescence optical tomography method. In this method, ultrashort laser pulses are used to excite the fluorescent dye concentrated at the tumor region, and the temporal fluorescence light signals are detected around the boundaries of the target tissue. The temporal information of the fluorescence light intensity is employed to construct tomographic and 3D images of the ...