Three-dimensional stereoscopic imaging modality based on a single optical channel and detector

Abstract

A three-dimensional stereoscopic imaging modality (3D-SIM) based on a single optical channel and detector was developed to overcome some of the limitations of conventional 3D-SIM. It produces 3-D stereoscopic images by adjusting the angle of a transparent rotating deflector (TRD) to generate disparity between left and right images. The angular effect of the TRD was demonstrated to investigate the feasibility of the proposed method in 3-D stereoscopic image generation. Results indicate that image disparity increased as a function of the rotation angles of the TRD, while maintaining adequate 3-D perception. These results are expected to facilitate the practical use of a 3D-SIM in medicine.

single-channel stereoscopic video imaging modality based on a transparent rotating deflector

“…Similar previous studies 5, 16 and our previous studies 17,20 had some limitations such as fixed parallel image disparity, limited adjustable display frequency, wire connection of active shutter glasses, size of TRD, and motor oscillation. All aforementioned limitations might be mostly solved in the SSVIM-TRD.…”

“…A transparent rotating deflector (TRD), placed in front of the camera for single-channel SIM, has also been suggested as a way of generating lateral image disparity for depth sensing 16 TRD is an optical window that serves the purpose of acquiring images with disparity. In this case, the image disparity is a function of the refractive index and the rotation angle of TRD 17 .…”

“…Utilizing the advantages of our previous study 17 , we introduce here a single-channel stereoscopic video imaging modality based on TRD (SSVIM-TRD). The TRD is mounted on a stepping motor that is synchronized to a complementary metal-oxide semiconductor (CMOS) camera and controlled using a microcontroller unit (MCU).…”

Development of single-channel optical video stereomicroscopy

“…In a previous study, we introduced a single-channel stereoscopic video imaging modality based on a transparent rotating deflector (TRD) for macrolevel stereo imaging. 9,12,13 Therewith, stereo images of left and right pairs were generated by the refraction of light that passed through a TRD. 9,13 Here, we introduce a single-channel optical video stereomicroscope (SOVSM), which uses the principle described in our previous study.…”

“…9,12,13 Therewith, stereo images of left and right pairs were generated by the refraction of light that passed through a TRD. 9,13 Here, we introduce a single-channel optical video stereomicroscope (SOVSM), which uses the principle described in our previous study. This stereo imaging method may be compatible with various types of microscopes such as bright-field microscopes, darkfield microscopes, light sheet microscopes, and fluorescence microscopes.…”