Abstract: A light source for plant cultivation includes at least two light emitting devices supplying light to a plant. Each of the light emitting devices includes a first semiconductor layer doped with a first conductivity type dopant, a second semiconductor layer disposed on the first semiconductor layer and doped with a second conductivity type dopant different from the first conductivity type dopant, and an active layer interposed between the first semiconductor layer and the second semiconductor layer. The light emitting devices emit light towards the plant under a different condition in terms of at least one of wavelength, radiation intensity, and emission timing to control the type and content of phytochemicals in the plant.

Abstract: A light source for plant cultivation includes at least two light emitting devices supplying light to a plant. Each of the light emitting devices includes a first semiconductor layer doped with a first conductivity type dopant, a second semiconductor layer disposed on the first semiconductor layer and doped with a second conductivity type dopant different from the first conductivity type dopant, and an active layer interposed between the first semiconductor layer and the second semiconductor layer. The light emitting devices emit light towards the plant under a different condition in terms of at least one of wavelength, radiation intensity, and emission timing to control the type and content of phytochemicals in the plant.

Abstract: The system includes a metric map creation unit configured to create a metric map using first image data received from a 3D sensor, an image processing unit configured to recognize an object by creating and classifying a point cloud using second image data received from an RGB camera; a probability-based map production unit configured to create an object location map and a spatial semantic map in a probabilistic expression method using a processing result of the image processing unit, a question creation unit configured to extract a portion of high uncertainty about an object class from a produced map on the basis of entropy and ask a user about the portion, and a map update unit configured to receive a response from the user and update a probability distribution for spatial information according to a change in probability distribution for classification of the object.

Abstract: The system includes a metric map creation unit configured to create a metric map using first image data received from a 3D sensor, an image processing unit configured to recognize an object by creating and classifying a point cloud using second image data received from an RGB camera; a probability-based map production unit configured to create an object location map and a spatial semantic map in a probabilistic expression method using a processing result of the image processing unit, a question creation unit configured to extract a portion of high uncertainty about an object class from a produced map on the basis of entropy and ask a user about the portion, and a map update unit configured to receive a response from the user and update a probability distribution for spatial information according to a change in probability distribution for classification of the object.