Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

Lars Seifert

Guenther Kostka

Peter Schmitt

Oliver Scholz

Christian Hügel

Franz Uhrmann

Günther Kostka

Christian Huegel

Ralf Goldstein

Carina Baumgärtner

Among a device and a method for sensing at least partially specular surfaces, the device includes a detection face and an illuminator configured to project a pattern onto the detection face by reflection via the at least partially specular surface.

Device and method for sensing at least one partially specular surface with column-by-column analysis of the global or local intensity maximum

A device for detecting a plant against a background includes a provider for providing a plurality of different photographs of the plant leaf against the background, the photographs differing in that image points of the different photographs relating to the same location of the plant leaf are illuminated with different levels of brightness, a selector for selecting such image points, from the different photographs, whose levels of brightness are within a predetermined range, an image point of a first photograph being selected for a first location of the plant leaf, and an image point of a second, different photograph being selected for a different location of the plant leaf to obtain a representation of the plant leaf against the background, the representation being composed of and/or merged from different photographs, and a segmenter for segmenting the composite photograph to obtain a segment representation having the plant leaf without the background or the background without the plant leaf.

Device and method for detecting a plant against a background using photographs with different levels of brightness

A device for detecting a plant includes a two-dimensional camera for detecting a two-dimensional image of a plant leaf having a high two-dimensional resolution, and a three-dimensional camera for detecting a three-dimensional image of the plant leaf having a high three-dimensional resolution. The two-dimensional camera is a conventional high-resolution color camera, for example, and the three-dimensional camera is a TOF camera, for example. A processor for merging the two-dimensional image and the three-dimensional image creates a three-dimensional result representation having a higher resolution than the three-dimensional image of the 3D camera, which may include, among other things, the border of a leaf. The three-dimensional result representation serves to characterize a plant leaf, such as to calculate the surface area of the leaf, the alignment of the leaf, or serves to identify the leaf.

Device and method for detecting a plant

Growing community of inventors

Neumarkt, Germany

Lars Seifert