Abstract: The region segmentation apparatus and method for map decomposition of a robot according to the exemplary embodiment of the present disclosure segment the grid map into a plurality of regions in consideration of the graphic characteristic of the space and obstacles disposed in the space.

Abstract: The present invention provides an apparatus for preprocessing image data, comprising: a preprocessor for reducing a mesh resolution of an oral scan image to a reference resolution; a start line detector for detecting, from the preprocessed oral scan image, a start line corresponding to a bottom of a gum area; a boundary line detector for detecting, from the preprocessed oral scan image, a boundary line between a dental area and a gum area; and an area separator for separating a gum area from the oral scan image by using the start line and the boundary line.

Abstract: A home appliance includes a housing including an inlet, a first outlet formed in the housing to discharge air introduced through the inlet, a second outlet disposed adjacent to the first outlet, a fan assembly including a first fan configured to discharge air toward the first outlet, and a second fan configured to discharge air toward the second outlet, and a stator provided to guide air, which is discharged from the first fan, to the first outlet.

Abstract: To improve the precision of a dental restoration, the present invention provides a dental restoration manufacturing method comprising: a first step of preparing a general-purpose wax bite which is formed of paraffin wax, and which is formed to be standardized in correspondence to a preset standard dental arch profile and is arranged between a part in which implantation is to be performed and an opposite corresponding part, and which comprises a variable matching part corresponding to the part in which implantation is to be performed and being softened when heated to the temperature greater than or equal to a preset temperature, and a press protrusion part that is formed integrally with the variable matching part and protrudes to correspond to the opposite corresponding part and that is softened when heated to the temperature greater than or equal to a preset temperature; a second step of respectively acquiring, through an image capture device, a plurality of scanning images of the part in which implantation i

Abstract: An image registration method using a dental object, comprises a generation step of generating a plurality of reference points spaced apart from each other in an oral scan image of a registration target and a computed tomography (CT) image of a registration target, respectively; and a step of registering the oral scan image of the registration target and the CT image of the registration target by using the reference point of the oral scan image (a first reference point) and the reference point of the CT image (a second reference point), wherein the first and second reference points comprise a reference point for one frontmost tooth in the front teeth area and a reference point for two teeth on both rearmost sides of the back teeth area, and wherein the first reference point is derived from an object which is a simplified shape of the teeth.

Abstract: An apparatus for localizing a robot having robustness to a dynamic environment includes a map building unit which builds a map based on SLAM; a localizing unit which acquires first feature from sensor data acquired by a sensor mounted in a robot and localizes the robot using the first feature acquired from the sensor data based on the map built by the map building unit; and a map updating unit which reduces an error caused by the movement of the robot by correcting the first feature using an estimated position of the robot with regard to a feature obtained from a static object, among the first features acquired by the localizing unit.

Abstract: Disclosed is a method of manufacturing a digital overdenture to improve manufacturing convenience and preciseness. The method of manufacturing the digital overdenture according to the present invention includes a series of operations such as generating a planning image, manufacturing auxiliary devices for manufacturing the overdenture such as a surgical guide, a flattening guide, an impression model, and the like, setting a holder device and correcting a temporary denture, obtaining a corrected-scanned image, and designing and manufacturing a digital overdenture.

Abstract: Provided is a dental image registration device comprising: an outermost boundary detection unit for detecting, from first teeth image data, a first outermost boundary region which is the outermost boundary region of dentition, and detecting, from second teeth image data, a second outermost boundary region which is the outermost boundary region of the dentition; and an image registration unit which registers the first and second teeth image data on the basis of a first inscribed circle inscribed within the first outermost boundary region and a second inscribed circle inscribed within the outermost boundary region, or registers the first and second teeth image data on the basis of a first central point of the first outermost boundary region and a second central point of the second outermost boundary region.

Abstract: The present disclosure provides a dental implant packaging container including: a see-through body unit in which upper and lower sides are open to form an accommodation space so that a dental implant fixture is accommodated therein and which is made of a material through which UV light for surface modification passes; a first cap unit which includes a hollow first cap body configured to cover an upper end portion of the accommodation space, a first fixing part protruding from a lower portion of the first cap body and having a coupling surface formed on an outer side portion, and a protruding part provided to protrude from the first fixing; a hollow holder unit which has an outer circumferential portion coupled to an inner circumference of the see-through body unit and an inner circumferential portion coupled to the coupling surface to mediate the connection between the see-through body unit and the first cap unit; and a second cap unit which includes a second fixing part fitted and coupled to a lower end port

Abstract: Provided is a washing machine capable of improving solubility of a powder detergent that remains without having been dissolved in mixing water contained in a tub. The washing machine includes a cabinet having a detergent supplier, a tub arranged in the cabinet to be connected to the detergent supplier and containing mixing water in which washing water supplied to the detergent supplier and a powder detergent are mixed, a drum rotatably installed in the tub, a circulation hose connecting between the tub and the drum for the mixing water contained in a lower portion of the tub to be circulated, a detergent dissolution device generating vortex current in mixing water circulated through the circulation hose to improve solubility of the powder detergent, and a circulation pump arranged in the circulation hose and configured to repeatedly supply and discharge mixing water to and from the detergent dissolution device through on/off controlling.

Abstract: The present invention provides an oral image marker detection method for detecting a marker, which is the reference when an oral scan image and a CT image are matched, the method comprising the steps of: aligning oral scan images in the horizontal plane direction; estimating a marker candidate area from the aligned oral scan images and detecting an undivided marker from the marker candidate area; and dividing the undivided marker to estimate a marker in the undivided marker, and estimating the area from the upper surface of the undivided marker to a certain depth in the lower direction to be the marker.

Abstract: The present invention provides a method for predicting a missing tooth in an oral image, comprising the steps of: generating a standard tooth model by statistically learning a plurality of training images; whole-area-matching an oral image to the standard tooth model; and predicting a missing tooth by comparing first and second neighboring teeth located on both sides of the missing tooth, respectively, with first and second standard teeth of the standard tooth model corresponding to the first and second neighboring teeth, respectively.

Abstract: In order to improve the reliability of a dental restoration, a method of implanting the dental restoration is provided. The method includes virtually disposing a virtual implant selected from a digital library on the basis of a CT image to correspond to an implantation information, and a virtual implanting guide sleeve, which is virtually and concentrically disposed to be spaced upward from an upper end portion of the virtual implant by an offset distance, and a scanning image overlap and are integrally stored; and generating design information of a surgical guide, wherein a virtual coupling hole corresponding to an outer circumference of the virtual implanting guide sleeve is formed in the design information.

Abstract: The washing machine includes a cabinet, a drum installed inside the cabinet, and a fan assembly to guide heated air into the drum. A fan assembly includes a shroud provided with an air inlet hole, a hub rotated by a driving motor, a plurality of blades provided along a circumferential direction of the hub to guide the air introduced through the air inlet hole in the circumferential direction of the hub, and a scroll guiding the air guided in the circumferential direction of the hub into the drum. A partition wall prevents the air guided in the circumferential direction of the hub from being re-introduced into the air inlet hole. The blade includes a shroud contact portion in contact with the shroud and a hub contact portion in contact with the hub. An inflection point is formed between the shroud contact portion and the hub contact portion.

Abstract: Provided is an apparatus for treating a surface of a medical metal. The apparatus includes a lamp unit in which a through-hole is formed and which irradiates the through-hole with ultraviolet rays, a lifting unit on which a container accommodating a medical metal is detachably disposed and which is disposed to be movable in the through-hole, and a case unit which accommodates the lamp unit and the lifting unit and includes an outer case in which an outer hole corresponding to the through-hole is formed and an inner case which is disposed inside the outer case and in which the lamp unit or the lifting unit is disposed.