Abstract: The present invention relates to a method for detecting the texture, geometric shape and geometric center of a geometric element, which comprises the following steps: providing a first light beam projected on the object under test to obtain a gradual gradient image, and its texture and topography are reconstructed; providing a second light beam directed toward the object, and then the object is rotated, to obtain a continuous surface shape track, and reconstructs the surface shape of the object; calculating the geometric center from the surface shape track, and superimposes the surface shape track with the topography to rebuild a three-dimensional geometric contour of the object.

Abstract: A method for removing foreign substances from a camera system is provided. The camera system includes a camera device with a transparent cover having a piezoelectric component. First, a type of the foreign substances is identified based on temperature, an image captured by the camera system, and a voltage change of the piezoelectric component. A sequence of frequencies is applied to the piezoelectric component and a resonant frequency is acquired. Thereafter, the foreign substances are removed from the camera system. A vibration frequency and a vibration time period for the piezoelectric component are determined according to the identified type of the foreign substances. The vibration frequency is based on the resonant frequency. The piezoelectric component is driven with the vibration frequency and the vibration time period, such that at least a portion of the foreign substances are removed from the transparent cover through vibration of the piezoelectric component.

Abstract: The present invention provides an optical detection system and a method capable of automatically removing foreign substances. The optical detection system comprises an optical sensing device including a housing, a transparent cover, an optical sensor, a lens module, a sealing material having flexibility and stiffness, and a piezoelectric component. The sealing material with an annular flake shape is provided between the transparent cover and the piezoelectric component, and extended and fixed to the housing to seal the internal space defined by the housing and the transparent cover. The piezoelectric component performs vibration, which is transmitted to the transparent cover through the sealing material to remove foreign substances from the transparent cover.

Abstract: A method for removing foreign substances from a camera system is provided. The camera system includes a camera device with a transparent cover having a piezoelectric component. First, a type of the foreign substances is identified based on temperature, an image captured by the camera system, and a voltage change of the piezoelectric component. A sequence of frequencies is applied to the piezoelectric component and a resonant frequency is acquired. Thereafter, the foreign substances are removed from the camera system. A vibration frequency and a vibration time period for the piezoelectric component are determined according to the identified type of the foreign substances. The vibration frequency is based on the resonant frequency. The piezoelectric component is driven with the vibration frequency and the vibration time period, such that at least a portion of the foreign substances are removed from the transparent cover through vibration of the piezoelectric component.

Abstract: A healthcare monitoring system for health caring and space monitoring that determines movements or existence of a care recipient by utilizing visual images to detect variation in shape of an optical pattern is provided. The system includes a light source unit, an image capturing unit, an image processing unit and a warning unit. By capturing the shape variation of the optical pattern emitted by the light source unit provided around a lying equipment via the image capturing unit, the system effectively determines motions of the care recipient lying on the lying equipment, such as motions of getting up, turning over and hand waving, in addition to lying flat, and detects activities of care providers or irrelevant persons around the lying equipment, thereby having an advantage that the activities of the care recipient lying on the lying equipment and the condition around the lying equipment can be monitored comprehensively.

Abstract: A hand gesture control system to be operated via hand gestures to receive a call from a mobile phone includes: a casing; a control unit installed inside the casing; a hand gesture recognition unit installed inside the casing, including an image capturing module and a hand gesture recognition module, wherein the image capturing module captures an image of a hand gesture of a user and transmits to the gesture recognition module for comparison, which feeds back an operation instruction to the control unit corresponding to the comparison; a wireless transmission unit communicates with the mobile phone via a wireless communication protocol for establishing communication between the mobile phone and the control unit; a microphone disposed at an exterior of the casing in order to receive a user's voice; and a loudspeaker disposed at an exterior of the casing in order to output the user's voice from the microphone.

Abstract: The present invention discloses an image detection system of a vehicle for detecting at least one target object around a vehicle, and further detecting a distance between the at least one target object and the vehicle. The image detection system of the vehicle at least includes a light source unit, an image capturing unit and an alarm unit. The present invention primarily employs a laser beam incident onto the target object to form at least one optical pattern, and variation of the optical pattern and a motion object detection are collocated to effectively calculate the distance between the target object and the vehicle, thereby achieving an advantage of alarming and alerting a driver to safety of driving.

Abstract: A vehicle surveillance system is disclosed and includes a plurality of image capturing units, an image processing unit, and a display unit for monitoring a position of at least one target around a vehicle and measuring a distance between the at least one target and the vehicle. The vehicle surveillance system utilizes a space domain determination module, a time domain determination module, and a ground surface elimination module to transform original images of the target around the vehicle into the bird's-eye-view panorama, and further detects variation of an optical pattern incident onto the target through a light beam emitted by a light source so as to effectively remind a driver on the on-going vehicle of the position of the target and the distance, and real-time detect and capture an image of any person approaching the vehicle, thereby achieving driving safety and securing lives and personal properties.

Abstract: Disclosed is a robot surveillance system for preventing a robot from falling down or collision by means of dynamic detection of moving object invasion. The system includes a light-emitting unit, an image capture unit, an image processing unit, a turning control unit, and a wireless transceiver unit. The image capture unit combines with an optic pattern to provide a visual module for the moving or surveillance robot. The shape of the optic pattern changes as the robot moves toward the object or pothole, and the image processing unit recognizes the detected object to be standstill, and thus controls the moving direction of the robot to effectively avoid falling or collision. Any moving object in the space is detected by the object motion detection, thereby effectively achieving the goal of spatial surveillance and security.

Abstract: A security alert system includes a light emitting unit, an image capturing unit, a distance arithmetic unit, a multimedia player unit and an alarm generating unit, wherein the image capturing unit and the distance arithmetic unit capture and calculate varied images of a viewer and an optical pattern emitted from the light emitting unit whether the viewer is within the range of an exhibition/performance activity such that the multimedia player unit displays a corresponding exhibition/performance activity to been seen or heard by the viewer, and if the viewer approaches near a boundary line of the display content, the alarm generating unit generates an alarm signal or sound to be seen or heard by the viewer and hence providing interactive effects between the exhibition/performance activity and the viewer.

Abstract: A hand gesture control system to be operated via hand gestures to receive a call from a mobile phone includes: a casing; a control unit installed inside the casing; a hand gesture recognition unit installed inside the casing, including an image capturing module and a hand gesture recognition module, wherein the image capturing module captures an image of a hand gesture of a user and transmits to the gesture recognition module for comparison, which feeds back an operation instruction to the control unit corresponding to the comparison; a wireless transmission unit communicates with the mobile phone via a wireless communication protocol for establishing communication between the mobile phone and the control unit; a microphone disposed at an exterior of the casing in order to receive a user's voice; and a loudspeaker disposed at an exterior of the casing in order to output the user's voice from the microphone.

Abstract: A vehicle safety system includes several image capturing units, an image processing unit, a control unit and a display unit, in which an environmental photography technique and a visual distance detection technique are integrated so as to detect a distance between a nearby object and the vehicle to warn the driver during moving or parking operation, and an automatic door detection technique is integrated to identify rear side objects prior to opening of a vehicle door so to prevent undesired accident from happening.

Abstract: An image capturing system for a hydrophilic optical film includes: an optical lens unit; at least one radiating module; and a brightness detection unit, wherein the hydrophilic optical film is disposed on an outer surface of the optical lens unit while the radiating module is used for radiating a light beam, wherein the radiating module is disposed at an appropriate position of an environment of the optical lens unit and cooperates with the optical lens unit to define an intersection angle, the light beam from the radiating module is radiated onto the hydrophilic optical film in order to prolong the effect of the hydrophilic optical film while the brightness detection unit upon detecting an external brightness activates the radiating module such that the light beam radiated from the radiating module has a wavelength ranging from 360-400 nano meter.

Abstract: A vehicle surveillance system is disclosed and includes a plurality of image capturing units, an image processing unit, and a display unit for monitoring a position of at least one target around a vehicle and measuring a distance between the at least one target and the vehicle. The vehicle surveillance system utilizes a space domain determination module, a time domain determination module, and a ground surface elimination module to transform original images of the target around the vehicle into the bird's-eye-view panorama, and further detects variation of an optical pattern incident onto the target through a light beam emitted by a light source so as to effectively remind a driver on the on-going vehicle of the position of the target and the distance, and real-time detect and capture an image of any person approaching the vehicle, thereby achieving driving safety and securing lives and personal properties.

Abstract: The present invention discloses an image detection system of a vehicle for detecting at least one target object around a vehicle, and further detecting a distance between the at least one target object and the vehicle. The image detection system of the vehicle at least includes a light source unit, an image capturing unit and an alarm unit. The present invention primarily employs a laser beam incident onto the target object to form at least one optical pattern, and variation of the optical pattern and a motion object detection are collocated to effectively calculate the distance between the target object and the vehicle, thereby achieving an advantage of alarming and alerting a driver to safety of driving.