Our research interests are 3D image sensing and visualization using integral imaging.

What is Integral Imaging?

Integral imaging is three-dimensional(3D) image obtaining and visualization method. It can provides 3D image with full-parallax, full color, continious view-point. Integral imaging use only three devices; lenslet-array, image sensor, and display.

Integral imaging

Autonomous Vehicle Display Technique

Deep learning technique can process and optimize unknown data by learning from a lot of training data (ie, big data). For depth estimation, in general, at least two different images (ie, stereo images) are required. However, in practical applications , this requirement is not efficient. Therefore, in our research, we propose a deep learning based depth estimation from single image. …Detail

Concept of rain noise reduction using average derivative
Expected Image of Research Results of autonomous vehicle system

FPERT – Free-view Pixels of Elemental image Rearrangement Technique

In a conventional free-view reconstruction, the visual quality of the reconstructed 3D images is insufficient to provide 3D information to applications because of the shift and sum process. In addition, its processing speed is slow. To solve these problems, our proposed method uses a pixel rearrangement technique (PERT) with locally selective elemental images. …Detail

Concept of FPERT

Occlusion removal

In integral imaging method, captured image obtains depth information of object. By using this information, Occlusion removal technique can be performed.

Elemental images
Occlusion removed image

Photon counting

Photon Counting is one of the photography method in darken situation. It obtains picture by counting number of photons. By combining this method and integral imaging, it becomes possible to shoot in place with few light sources. This feature can be applied to image acquisition in darken situation, e.f. night driving.

Input image
Darken image
Photon counted image

Digital Holographic Microscopy system (DHM)

Imaging of transparent micro-objects is an interesting as well as a challenging problem in microscopy. Digital Holographic Microscopy system can make 3D image of human cells. We use laser to analysis cell depth information. We calculate the phase difference of two different laser beams with superior algorithm. …Detail

Human Red Blood Cell using DHM system
3D imaging of Human Blood cell

3D biological imaging

3D biological imaging is 3D imaging technique for small livings observation. It performed by applying integral imaging and MALT(Moving Array-Lenslet Technique) to the microscopy. This technique can obtain 3D imformation of small cells(>10μm) with high resolution and continuous viewpoint.

Normal Microscopy
3D biological imaging
3D biological imaging system