Abstract: Disclosed herein are methods and systems for object recognition utilizing reflective light blocking. Further disclosed herein are systems and methods for recognition of at least one fluorescent object being present in a scene by using a light source including at least one illuminant and a bandpass filter for each illuminant of the light source, a sensor array including at least one light sensitive sensor and at least one filter selectively blocking the reflected light originating from illuminating the scene with the light source and allowing passage of luminescence originating from illuminating the scene with the light source into the at least one color sensitive sensor, and a processing unit for identifying the at least one object based on the data detected by the sensory array and known data on luminescence properties associated with known objects.

Abstract: Described herein are a system and a method for object recognition via a computer vision application, the system including at least the following components: at least one object to be recognized, the object having object specific reflectance and luminescence spectral patterns, a light source which is configured to illuminate a scene including the at least one object, the light source being designed to omit at least one spectral band of a spectral range of light when illuminating the scene, the at least one omitted spectral band being in the luminescence spectral pattern of the at least one object, at least one sensor which is configured to exclusively measure radiance data of the scene in at least one of the at least one omitted spectral band when the scene is illuminated by the light source, a data storage unit, and a data processing unit.

Abstract: Described herein are a system and a method for object recognition via a computer vision application, the system including at least the following components: an object to be recognized, the object having object specific reflectance and luminescence spectral patterns, a light source which is configured to project at least one light pattern on a scene which includes the object to be recognized, a sensor which is configured to measure radiance data of the scene including the object when the scene is illuminated by the light source, a data storage unit which includes luminescence spectral patterns together with appropriately assigned respective objects, and a data processing unit.

Abstract: Described herein are a device and a method for forming at least one ground truth database for an object recognition system and for keeping the at least one ground truth database current. The device comprises includes at least the following components: a data storage unit configured to store color space positions and/or reflectance spectra and/or luminescence spectra of different objects; and a processor programmed for communication with the data storage unit and with the object recognition system.

Abstract: Described herein are a device and a method for recognizing and monitoring a fluid in a system and/or in surroundings of the system via a computer vision application, the device including at least the following components: at least one luminescent dye, each luminescent dye having a dye specific reflectance and luminescence spectral pattern and being configured to be added to the fluid, a light source which is composed of at least two illuminants and which is configured to illuminate a scene which includes the system and/or the surroundings of the system, by switching between the at least two illuminants, where at least one of the two illuminants is based on at least one solid-state system, a sensor which is configured to measure radiance data of the scene when the scene is illuminated by the light source, and a data processing unit.

Abstract: Described herein are a system and a method for object recognition via a computer vision application, the system including at least the following components: at least one object to be recognized, the object having object specific reflectance and luminescence spectral patterns, a light source which is configured to illuminate a scene including the at least one object under ambient lighting conditions, a sensor which is configured to measure radiance data of the scene including the at least one object when the scene is illuminated by the light source, a linear polarizer coupled with a quarter waveplate, a data storage unit which comprises luminescence spectral patterns together with appropriately assigned respective objects, and a data processing unit.

Abstract: Described herein are a method and a system for object recognition via a computer vision application, where at least one object to be recognized is illuminated by at least one light source having light source specific radiance values, and radiance data of a scene including the object are measured when the scene is illuminated by the light source.

Abstract: A method and system for object recognition via a computer vision application including an object to be recognized, the object having an object specific luminescence spectral pattern, a light source including at least two illuminants for illuminating a scene including the object to be recognized by switching between the two illuminants, a sensor configured to capture radiance data of the scene including the object when the scene is illuminated by the light source, and a data storage unit storing fluorescence spectral patterns together with appropriately assigned respective objects. The method and system further include a data processing unit configured to extract the object specific fluorescence spectral pattern from the radiance data of the scene and to match the extracted object specific fluorescence spectral pattern with the fluorescence spectral patterns stored in the data storage unit, and to identify a best matching fluorescence spectral pattern and its assigned object.

Abstract: An antifouling thermoplastic polyurethane (TPU) composition comprises a thermoplastic polyurethane and an organometallic antifouling additive and has a surface energy of from about 18 to about 26 mJ/m2. An article which is resistant to adhesion of organisms comprises the antifouling thermoplastic elastomer (TPU) composition having a surface with a 3-dimensional surface topography.

Abstract: A method and system for object recognition via a computer vision application including an object to be recognized, the object having an object specific luminescence spectral pattern, a light source including at least two illuminants for illuminating a scene including the object to be recognized by switching between the two illuminants, a sensor configured to capture radiance data of the scene including the object when the scene is illuminated by the light source, and a data storage unit storing fluorescence spectral patterns together with appropriately assigned respective objects. The method and system further include a data processing unit configured to extract the object specific fluorescence spectral pattern from the radiance data of the scene and to match the extracted object specific fluorescence spectral pattern with the fluorescence spectral patterns stored in the data storage unit, and to identify a best matching fluorescence spectral pattern and its assigned object.

Abstract: An antifouling thermoplastic polyurethane (TPU) composition has a surface energy of from about 18 to about 26 mJ/m2. The antifouling TPU composition comprises the reaction product of: (A) a polyetherol; (B) a silicone polyol; (C) a chain extender different than said polyetherol and said silicone polyol; and (D) an isocyanate. An article comprising the antifouling TPU composition and having a surface with a 3-dimensional surface topography resistant to adhesion of organisms.

Abstract: A method of forming a composite article including a first portion comprising a cured elastomer and presenting an engagement surface, and a second portion comprising a thermoplastic composition and presenting a locking surface is disclosed. The method comprises the step of forming a plurality of engagement voids in the engagement surface of the first portion. Each engagement void penetrates into the engagement surface of the first portion and is defined by a side wall which forms an acute angle with the engagement surface. The method also includes the step of applying the thermoplastic composition onto the engagement surface of the first portion to form the second portion such that the locking surface abuts the engagement surface and defines a plurality of locking protrusions disposed in the plurality of engagement voids of the first portion.

Abstract: An antifouling thermoplastic polyurethane (TPU) composition has a surface energy of from about 18 to about 26 mJ/m2. The antifouling TPU composition comprises the reaction product of: (A) a polyetherol; (B) a silicone polyol; (C) a chain extender different than said polyetherol and said silicone polyol; and (D) an isocyanate. An article comprising the antifouling TPU composition and having a surface with a 3-dimensional surface topography resistant to adhesion of organisms.

Abstract: An antifouling thermoplastic polyurethane (TPU) composition comprises a thermoplastic polyurethane and an organometallic antifouling additive and has a surface energy of from about 18 to about 26 mJ/m2. An article which is resistant to adhesion of organisms comprises the antifouling thermoplastic elastomer (TPU) composition having a surface with a 3-dimensional surface topography.