Abstract: A sewing machine includes a main body and a quick release needle plate module. The main body includes a base seat having an inner frame, and an outer case that is mounted to the inner frame and that defines an accommodating compartment. The quick release needle plate module includes a catch member, and a needle plate that covers the accommodating compartment, that is detachably pivoted to a rear section of the inner frame, and that engages the catch member. The quick release needle plate module further includes a press member inserted through the outer case and the inner frame, and operable to push the catch member to disengage the catch member. The needle plate has a plate body that covers the accommodating compartment, and a resilient member mounted between the inner frame and the plate body for driving pivot action of the plate body away from the inner frame.

Abstract: An object recognition system based on machine learning includes a 2D image capture module, a 3D space capture module, a data selection module, a data alignment module, a feature capture module and a detection module. The 2D image capture module captures a 2D image. The 3D space capture module captures 3D point cloud data. The data selection module performs object segmentation and depth recognition to select at least one region of interest (ROI). The data alignment module maps coordinates of the at least one ROI to coordinates of the 2D image. The feature capture module calculates features of the 2D image and extracts at least one feature of interest corresponding to the coordinates of the ROI from the features of the 2D image. The detection module obtains the feature of interest and identifies at least one object in the 2D image according to the feature of interest.

Abstract: An object recognition system based on machine learning includes a 2D image capture module, a 3D space capture module, a data selection module, a data alignment module, a feature capture module and a detection module. The 2D image capture module captures a 2D image. The 3D space capture module captures 3D point cloud data. The data selection module performs object segmentation and depth recognition to select at least one region of interest (ROI). The data alignment module maps coordinates of the at least one ROI to coordinates of the 2D image. The feature capture module calculates features of the 2D image and extracts at least one feature of interest corresponding to the coordinates of the ROI from the features of the 2D image. The detection module obtains the feature of interest and identifies at least one object in the 2D image according to the feature of interest.

Abstract: A measurement system comprises an illumination module, an image pickup device, an angle adjustment module, and a control unit. The illumination module is configured to illuminate an object. The image pickup device is configured to pick up an image of the object. The angle adjustment module is configured to adjust an relative angle between the object and the image pickup device. The control unit is electrically connected to the image pickup device and the angle adjustment module and configured to receive an image signal from the image pickup device. The control unit is configured to command the angle adjustment module to adjust the relative angle to at least three values. The image pickup device is configured to pick up images of the object respectively corresponding to the at least three values. The control unit is configured to calculate the relative angle between the object and the image pickup device.

Abstract: Measurement system and method for measuring multi-dimensions of an object are provided. A two-dimensional (2D) image capturing device captures at least one macro-2D image of the object. A three-dimensional (3D) information acquisition device acquires micro-3D measured data of the object. A integration and estimation device performs 2D and 3D image correction on macro-2D image and micro-3D measured data to map micro-3D measured data into macro-2D image to output 3D-topography data corresponding to macro-2D image of the object, and based on machine learning mechanism, performs matching procedure on at least one connection feature between any two positions in 3D-topography data with a database to elect an adapted model. Based on its corresponding to at least one fitting function, the integration and estimation device estimates the connection features of 3D-topography data to output at least one estimated feature amount, thereby obtaining measurement results corresponding to the object.

Abstract: An apparatus and a method for dual mode depth measurement are provided. The apparatus is used for measuring a depth information of a specular surface in a depth from defocus (DFD) mode or measuring a depth information of a textured surface in a depth from focus (DFF) mode. The apparatus includes a light source, a controller, a processor, a lighting optical system, an imaging optical system, a beam splitter and a camera. The controller is for switching between the depth from defocus mode and the depth from focus mode. The lighting optical system is used to focus a light from the light source on an object surface in the depth from defocus mode, and the lighting optical system is used to illuminate the object surface with a uniform irradiance in the depth from focus mode.

Abstract: Measurement system and method for measuring multi-dimensions of an object are provided. A two-dimensional (2D) image capturing device captures at least one macro-2D image of the object. A three-dimensional (3D) information acquisition device acquires micro-3D measured data of the object. A integration and estimation device performs 2D and 3D image correction on macro-2D image and micro-3D measured data to map micro-3D measured data into macro-2D image to output 3D-topography data corresponding to macro-2D image of the object, and based on machine learning mechanism, performs matching procedure on at least one connection feature between any two positions in 3D-topography data with a database to elect an adapted model. Based on its corresponding to at least one fitting function, the integration and estimation device estimates the connection features of 3D-topography data to output at least one estimated feature amount, thereby obtaining measurement results corresponding to the object.

Abstract: An apparatus and a method for dual mode depth measurement are provided. The apparatus is used for measuring a depth information of a specular surface in a depth from defocus (DFD) mode or measuring a depth information of a textured surface in a depth from focus (DFF) mode. The apparatus includes a light source, a controller, a processor, a lighting optical system, an imaging optical system, a beam splitter and a camera. The controller is for switching between the depth from defocus mode and the depth from focus mode. The lighting optical system is used to focus a light from the light source on an object surface in the depth from defocus mode, and the lighting optical system is used to illuminate the object surface with a uniform irradiance in the depth from focus mode.

Abstract: A measurement system comprises an illumination module, an image pickup device, an angle adjustment module, and a control unit. The illumination module is configured to illuminate an object. The image pickup device is configured to pick up an image of the object. The angle adjustment module is configured to adjust an relative angle between the object and the image pickup device. The control unit is electrically connected to the image pickup device and the angle adjustment module and configured to receive an image signal from the image pickup device. The control unit is configured to command the angle adjustment module to adjust the relative angle to at least three values. The image pickup device is configured to pick up images of the object respectively corresponding to the at least three values. The control unit is configured to calculate the relative angle between the object and the image pickup device.

Abstract: This disclosure provides an image composition system and its method. The system includes: an image capturing unit configured for capturing at least one first image of a real object; a depth information generating unit disposed on the image capturing unit and configured for measuring a depth information between the depth information generating unit and the real object; a computing unit receiving the at least one first image and the depth information, performing the computation of removing a noise caused by a moving object other than the real object from the received depth information, and computing a moving trajectory of the image capturing unit; and a composition unit compositing the at least one first image and a second image of a virtual scene, and display the composited result on a display unit.

Abstract: A stereo camera apparatus including an image capturing device, an optical axis controlling module and a calculating module is provided. The image capturing device is suitable for obtaining a stereo image, and the image capturing device includes a plurality of image capturing units. The optical axis controlling module is coupled to the image capturing device. The calculating module is coupled to the image capturing device and the optical axis controlling module, wherein the calculating module calculates a calibration condition according to the stereo image. The optical axis controlling module adjusts directions of imaging optical axes of the image capturing units. After being adjusted by the optical axis controlling modules, the imaging optical axes of the image capturing units are aligned. Besides, a self-calibration apparatus and a method of calibration are also provided.

Abstract: This disclosure provides an image composition system and its method. The system includes: an image capturing unit configured for capturing at least one first image of a real object; a depth information generating unit disposed on the image capturing unit and configured for measuring a depth information between the depth information generating unit and the real object; a computing unit receiving the at least one first image and the depth information, performing the computation of removing a noise caused by a moving object other than the real object from the received depth information, and computing a moving trajectory of the image capturing unit; and a composition unit compositing the at least one first image and a second image of a virtual scene, and display the composited result on a display unit.

Abstract: A display apparatus including an image generator, a projection lens set, a depth detecting module detecting the position of user, and a control unit is provided, wherein the control unit is electrically connected to the image generator, the projection lens set and the depth detecting module. An image displayed by the image generator is projected through the projection lens set and generates a floating real image between the projection lens set and the user. Each beam forming the floating real image has a light-cone angle ?. The image generator and the projection lens adjust the position of the floating real image according to the position of user. The size of the floating real image is L, the distance between two eyes of the user is W, the distance between the user and the floating real image is D, and the light-cone angle ? satisfies the formula of ? ? tan - 1 ? ( L + W D ) .

Abstract: A stereo camera apparatus including an image capturing device, an optical axis controlling module and a calculating module is provided. The image capturing device is suitable for obtaining a stereo image, and the image capturing device includes a plurality of image capturing units. The optical axis controlling module is coupled to the image capturing device. The calculating module is coupled to the image capturing device and the optical axis controlling module, wherein the calculating module calculates a calibration condition according to the stereo image. The optical axis controlling module adjusts directions of imaging optical axes of the image capturing units. After being adjusted by the optical axis controlling modules, the imaging optical axes of the image capturing units are aligned. Besides, a self-calibration apparatus and a method of calibration are also provided.

Abstract: A display apparatus including an image generator, a projection lens set, a depth detecting module detecting the position of user, and a control unit is provided, wherein the control unit is electrically connected to the image generator, the projection lens set and the depth detecting module. An image displayed by the image generator is projected through the projection lens set and generates a floating real image between the projection lens set and the user. Each beam forming the floating real image has a light-cone angle ?. The image generator and the projection lens adjust the position of the floating real image according to the position of user.

Abstract: A spray liquid pressure head has a main head body containing a suction body, a suction pipe and a container locking ring. A pressing member assembled over the main head body has a pressure head and horizontal expansion pipe. A directional jack is assembled at one end of the horizontal expansion pipe. Two reinforced costal margins are integrally formed at both sides of the horizontal expansion pipe in a vertical extension state. One end of the reinforced costal margin is integrally linked to the pressure head, and the other end integrally linked to the directional jack. The pressure head has a combined directional sprinkler head containing a labyrinth connecting pipe, a vertical terminal pipe and a spraying guide assembly.

Abstract: A spray liquid pressure head has a main head body containing a suction body, a suction pipe and a container locking ring. A pressing member assembled over the main head body has a pressure head and horizontal expansion pipe. A directional jack is assembled at one end of the horizontal expansion pipe. Two reinforced costal margins are integrally formed at both sides of the horizontal expansion pipe in a vertical extension state. One end of the reinforced costal margin is integrally linked to the pressure head, and the other end integrally linked to the directional jack. The pressure head has a combined directional sprinkler head containing a labyrinth connecting pipe, a vertical terminal pipe and a spraying guide assembly.

Abstract: The present invention provides a double-piston mechanism of an emulsion squeeze head, having an actuating syringe and a suction pipe. A top of the suction pipe is connected to a pressing head, while an elastic resetter is arranged between the bottom of the suction pipe and the bottom wall of the actuating groove. The suction pipe is also provided with a piston set. The piston set includes a first piston, with a first connecting portion and a first flange, and a second piston. The first connecting portion is assembled onto the suction pipe, and the first flange is abutted on the wall of the actuating groove. The second piston, placed at one end of the first piston, includes a second connecting portion and a second flange. The second connecting portion is assembled onto the first piston, and the second flange is abutted on the wall of the actuating groove.

Abstract: The present invention provides a foam nozzle for assembly onto a trigger-type sprayer. The foam nozzle includes a base plate, containing front and rear faces, a plurality of pins, arranged at intervals, a straight tube, protruding vertically from the front face of the base plate, an orifice defined within the straight tube, and a mesh body, arranged on the nozzle orifice of the straight tube. The mesh body includes a circular rib and a plurality of radial ribs. A convex rib protruding from the interior of the circular rib is contained within the radial ribs. A central orifice is formed between the convex ribs, while a plurality of annular orifices is formed between the circular rib and the radial ribs. The foam nozzle can be assembled into a plurality of grooves for the nozzle of existing trigger-type sprayer to generate foaming spray.

Abstract: The present invention provides an improved structure of a paint can with internal molded label. The paint can includes a plastic can body in a circular shape; a plastic bottom wall, integrally formed on the bottom of the plastic can body; and a plastic bottom frame, integrally formed on the bottom of the plastic can body and plastic bottom wall. There is a cover, covering the top of the plastic can body, and an internal molded label, integrated on the outside of the plastic can body through internal molding. The bottom edge of the internal molded label extends to the plastic bottom frame. In this way, an advancement of practicability is achieved in that the internal molded label of the paint can becomes smoother, and the quality of finished products is further improved.