Hoya Corporation

Toshiba Medical Systems Corporation

Yoshiyuki Niijima

Yoshihiro Hayashi

Shinya Shimotashiro

Yukari Akino

Akihiko Kubota

A light source device that generates illumination light, the light source device including: a plurality of semiconductor light emitting elements that emit light beams having different wavelength bands; and a control unit that controls a light emission profile of the plurality of semiconductor light emitting elements and drives the plurality of semiconductor light emitting elements, in which the light emission profile includes a strong light emission period in which light emission is performed with a predetermined light intensity and a weak light emission period in which light emission is performed with a light intensity weaker than the predetermined light intensity, and the control unit executes a restoration control process of converting into a light emission amount in the strong light emission period while maintaining a total amount of the light emission amount in the strong light emission period and the light emission amount in the weak light emission period constant.

Light source device and endoscope system

A light amount control unit of an endoscope derives a photometric value in an area of an observation spot corresponding to each of angular ranges of a first light output unit and a second light output unit having different wavelength ranges based on imaging data about the observation spot output from an imaging unit, derives an amount of light from each of the first light output unit and the second light output unit based on the derived photometric value, and causes each of the first light output unit and the second light output unit to output illumination light based on the derived amount of light.

Endoscope, program, and information processing method

An image processing device of an embodiment includes: an input circuit to input a first to a third image signal respectively corresponding to different first to third colors of an image; a first generator to generate a fourth image signal by adding the first and second image signals; an enhancing circuit to apply edge enhancement processing to the third and fourth image signals; an output circuit to output the third and fourth image signals having undergone the edge enhancement processing in correspondence to a plurality of different areas of the image; a dividing circuit to divide the output third image signal and the output fourth image signal into a plurality of fifth image signals and a plurality of sixth image signals respectively; and a second generator to generate a luminance signal based on the plural fifth and sixth image signals.

Growing community of inventors

Tokyo, Japan

Yoshiyuki Niijima