Dxo Labs

Other

Hoang-Phi Nguyen

Bruno Liege

Frédéric Guichard

Stéphane Laveau

Wolf Hauser

Frederic Guichard

César Douady

Regis Tessieres

Etienne Knauer

Imène Tarchouna

Ghislain Devaux

Iméne Tarchouna

Marine Pyanet

Régis Tessieres

A picture taking device includes at least three camera modules, each having a sensor of resolution equal to or higher than thirteen megapixels. A diagonal of the photosensitive surface of the sensor of between 5 mm and 7 mm. An objective lens opening at minimum to f/2.0 for at least one focal length value. The device has a power supply and, a rigid connector to connect it to a mobile phone or tablet comprising a screen, and communicates images and/or commands with the mobile phone or tablet. The device also includes a digital processor to reduce noise while preserving the textures in at least one image captured by one of the sensors.

Picture taking device comprising a plurality of camera modules

A picture taking device includes a power supply and a sensor of resolution higher than thirteen megapixels and an objective lens open at minimum to f/2.0 for at least one focal length value. A diagonal dimension of the photosensitive surface of the sensor is greater than 15 mm. A digital processor to reduce noise while preserving the textures in at least one image captured by the sensor. A picture taking method is provided using the picture taking device.

Device for picture taking in low light and connectable to a mobile telephone type device

A picture taking device includes a sensor of resolution higher than thirteen megapixels and an objective lens open at minimum to f/2.0 for at least one focal length value. A diagonal dimension of the photosensitive surface of the sensor is greater than 15 mm. A digital processor to reduce noise while preserving the textures in at least one image captured by the sensor. The device has a power supply and a rigid connector to connect it to the mobile phone or tablet type device comprising a screen, and communicates and/or commands with the mobile phone or tablet type device. A picture taking method is provided using the picture taking device.

A system for capturing at least one image of a scene. The system estimates at least one value representative of the sharpness in at least one area of at least one initial captured image of a scene. The autofocus module captures the initial image with a predefined focus. On the basis of at least the value representative of the estimated sharpness, the system selects a first operating mode or a second operating mode. In the first mode, the autofocus module controls the focus of the system to capture a sharper image of the scene. In the second mode, the initial captured image or another captured image is processed by the digital processing unit, the other image being captured with the predefined focus.

Image-capture system and method with two operating modes

In order to increase the depth of field of an optical system, there is provision to add a phase object, interposed between an object (O) to be imaged and an image plane () of the optical system. The phase object is interposed although a chromatic aberration of the system is not yet corrected. After interposition, the measured optical signal is corrected complementarily so as to eliminate the chromatic aberrations therefrom. It is shown that if a parameter of the expansion of the expression, a function of pupil dependency, that the difference in path length of the optical system possesses a significant value of higher order than that of the defocus, then an increase in the depth of field is obtained.

Optical system provided with a device for augmenting its depth of field

To increase the depth of field of an optical system, an inversion of the chromatism is produced. This accommodates the fact that, in natural light, users prefer, for their photographs, taking long distance shots outdoors, where the illuminant is mostly composed of blue, and short-distance shots indoors, where the illuminant is mostly composed of red. While optical devices naturally focus the blue components at a shorter distance than the red components, which is unfavorable, with an inversion of the chromatism, a focus more in keeping with what is required is restored.

Growing community of inventors

Paris, France

Hoang-Phi Nguyen