Three-dimensional (3D) optical imaging and 3D display have been researched extensively for various applications such as commerce, entertainment, medicine, aerospace, manufacturing, robotics, education, security, and defense. The capabilities provided by advances in 3D imaging and 3D displays have substantially enhanced some of these disciplines, enabling new measurements, detection, visualization, and display abilities that otherwise would not have been possible. For example, 3D medical imaging is an emerging technology with great potential for improving disease prevention, diagnosis, and treatment in the clinic, at the bedside, or in the operating room.

There are still many challenges in developing high-performance 3D displays, especially for vivid 3D spatial displays. No display method is without its problems or limitations. The autostereographic display is a more mature display technique that can offer a 3D effect only for a certain watching region, and the limit of lenticular screen production techniques and the resolution of flat panel display are still challenges for larger number of view autostereographic image displays. As for volumetric display, even though it is only one spatial display technique that can offer real full parallax 3D scenes for all directions, it has limited applications due to the non-occultation effect.

This Special Issue will focus on the latest research concerning stereographic display, holographic display, volumetric display, and integrated imaging display. Research about the integral imaging, holography, photoacoustic imaging optic-acoustic fusion theories, 3D aerial photography, autostereoscopic 3D display, novel optic-acoustic sensors and equipment, radar imaging, medical imaging, special applications, and imaging technologies are encouraged. Original research and review articles are welcome.

Potential topics include but are not limited to the following:

• Integral imaging
• Holography
• 3D medical imaging
• Photoacoustic theory and technology
• Optic-acoustic fusion system
• Novel sensor or equipment
• Optical methods for acoustic measurement
• 3D security
• Radar imaging
• Super-resolution reconstruction
• Optical coherence tomography
• Fluorescence imaging
• 3D Aerial photography
• Autostereoscopic 3D display