Abstract: An optical device and the prism module thereof are provided. The prism module includes a first prism, a second prism, and a third prism. The second prism is disposed beside the first prism. The third prism is adhered to the second prism. First light enters the first prism, is reflected plural times in the first prism, enters the second prism, and is emitted from the second prism. Second light enters the second prism, is reflected plural times in the second prism, and is emitted from the second prism. Third light sequentially passes through the third prism and the second prism, enters the first prism, is reflected plural times in the first prism, and is emitted from the first prism.

Abstract: A chip package structure is provided. The chip package structure includes a chip. The chip package structure includes a conductive ring-like structure over and electrically insulated from the chip. The conductive ring-like structure surrounds a central region of the chip. The chip package structure includes a first solder structure over the conductive ring-like structure. The first solder structure and the conductive ring-like structure are made of different materials.

Abstract: A rate adjustment method includes a rate estimation model generating a plurality of estimated rates according to a plurality of training data, a revenue estimation model generating an estimated revenue according to the plurality of estimated rates, updating the rate estimation model according to the estimated revenue to generate an updated rate estimation model, and inputting a plurality of current data into the updated rate estimation model to update the plurality of estimated rates.

Abstract: Camera set with connecting structure includes a main camera and a detachable camera. The main camera includes a main housing with a main camera module mounted therein. A docking structure and a main connector are mounted on a side of the main housing. The main camera module includes a main lens mounted on a front side of the main housing. The detachable camera includes an expanded housing with a detachable camera module mounted therein. A join structure and a first expanded connector are mounted on a side of the expanded housing. The detachable camera module includes an expanded lens mounted on a front side of the expanded housing. A second expanded connector is mounted on the other side of the expanded housing. The main camera can be used individually or can expand functions by being assembled to another camera by the docking structure and join the structures.

Abstract: Camera set with connecting structure comprises a main camera and a detachable camera. The main camera comprises a main housing with a main camera module being mounted therein. A docking structure and a main connector are mounted on a side of the main housing. The main camera module comprises a main lens being mounted on a front side of the main housing. The detachable camera comprises an expanded housing with a detachable camera being mounted therein. A join structure and a first expanded connector are mounted on a side of the expanded housing. The detachable camera module comprises an expanded lens being mounted on a front side of the expanded housing. A second expanded connector is mounted on the other side of the expanded housing. The main camera can be used individually or can expand functions by assembled to other camera by the docking structure and join structures.

Abstract: A method for correcting an image phase of a depth camera with a lens is disclosed. The method includes the steps of: a) selecting a first reference point on an optical axis of the lens and a second reference point on an object, wherein a distance between the first and second reference points is the shortest than others; b) calculating the distance in the step a) to serve as a standard distance; c) selecting sample points on the object other than the second reference point and calculating distances between the sample points and the first reference point; d) calculating offsets and angles between a line through the first and second reference points and lines through the first reference point and sample points; and e) calculating real distances between the first reference point and sample points by values from the step d).

Abstract: The depth camera includes a control module and a lighting module. The control module includes a control board, a control unit, a seat and a lens mounted on the seat. The lighting module is mechanically and electrically connected to the control module and includes a base board having a through hole for being passed by the lens and corresponding to the control board in position. A plurality of lighting units are symmetrically arranged on the base board and beside the through hole. A shade module is fastened on the base board and has a mount board and shades thereon. The bottom of each shade has an opening for receiving one of the lighting units.

Abstract: A stereoscopic photography is provided, which includes a first image sensor, a second image sensor, a synchronization module, a combination module, a calibration module, and a stereo matching module. The first image sensor is utilized to capture a first image. The second image sensor is utilized to capture a second image. The calibration module is utilized to perform an image calibration and a horizontal rectification for the first image and the second image. The stereo matching module is utilized to calculate a distance difference between a reference pixel of the first image and a corresponding pixel of the second image. The stereo matching module compares costs of multiple pixels relative to the reference pixel in a pixel row of the second image in an interval manner. A method for performing stereoscopic photography and a stereo matching method are also provided.

Abstract: The depth camera includes a control module and a lighting module. The control module includes a control board, a control unit mounted on the control board, a seat mounted on the control board and over the control unit and a lens rooted in the seat. The lighting module is superposed on the control module and includes a lighting board with a through hole for receiving the lens, lighting units mounted on the lighting board and a reflector set composed of a base plate and reflectors formed thereon. Each reflector has an opening surrounding one of the lighting units.

Abstract: The depth camera includes a control module and a lighting module. The control module includes a control board, a control unit, a seat and a lens mounted on the seat. The lighting module is mechanically and electrically connected to the control module and includes a base board having a through hole for being passed by the lens and corresponding to the control board in position. A plurality of lighting units are symmetrically arranged on the base board and beside the through hole. A shade module is fastened on the base board and has a mount board and shades thereon. The bottom of each shade has an opening for receiving one of the lighting units.

Abstract: The depth camera includes a control module and a lighting module. The control module includes a control board, a control unit mounted on the control board, a seat mounted on the control board and over the control unit and a lens rooted in the seat. The lighting module is superposed on the control module and includes a lighting board with a through hole for receiving the lens, lighting units mounted on the lighting board and a reflector set composed of a base plate and reflectors formed thereon. Each reflector has an opening surrounding one of the lighting units.

Abstract: A method for correcting an image phase of a depth camera with a lens is disclosed. The method includes the steps of: a) selecting a first reference point on an optical axis of the lens and a second reference point on an object, wherein a distance between the first and second reference points is the shortest than others; b) calculating the distance in the step a) to serve as a standard distance; c) selecting sample points on the object other than the second reference point and calculating distances between the sample points and the first reference point; d) calculating offsets and angles between a line through the first and second reference points and lines through the first reference point and sample points; and e) calculating real distances between the first reference point and sample points by values from the step d).

Abstract: The invention includes a control unit, a light source module, a sensor module with a lens and a computing unit. The light source module is electrically connected to the control unit and composed of multiple linear light sources. The sensor module receives reflective lights from the light source module and sends data of the reflective lights to the control unit. The computing unit is configured to receive the data of the reflective lights, to calculate the shortest distance between a reference point on an optical axis of the lens and an object distance to serve as a standard distance, to calculate sample distances between the reference point and sample points on the object, to calculate errors between the standard distance and the sample distances, and to correct the sample distances to be the same as the standard distance.

Abstract: A gesture recognition method for a motion sensing detector is disclosed and includes the following steps: activating the motion sensing detector of an electronic device; switching the electronic device from a first input mode into a second input mode when the motion sensing detector detects a first motion generated by at least one finger of a user; and executing an operation when the motion sensing detector detects a second motion generated by the at least one finger of the user in the second input mode.

Abstract: A stereoscopic photography is provided, which includes a first image sensor, a second image sensor, a synchronization module, a combination module, a calibration module, and a stereo matching module. The first image sensor is utilized to capture a first image. The second image sensor is utilized to capture a second image. The calibration module is utilized to perform an image calibration and a horizontal rectification for the first image and the second image. The stereo matching module is utilized to calculate a distance difference between a reference pixel of the first image and a corresponding pixel of the second image. The stereo matching module compares costs of multiple pixels relative to the reference pixel in a pixel row of the second image in an interval manner. A method for performing stereoscopic photography and a stereo matching method are also provided.

Abstract: A sensing device provided in the present invention includes a first sensor, a second sensor, a synchronizer, and a combiner. The first sensor has a first resolution and is configured to generate a first image data stream. The second sensor has a second resolution and is configured to generate a second image data stream. The second resolution is different from the first resolution. The synchronizer is electrically coupled to the first sensor and the second sensor and configured to control timing sequences of the first image data stream and the second image data stream such that the first image data stream and the second image data stream have synchronized vertical synchronization signals. The combiner is configured to combine the first image data stream and the second image data stream to form an output data stream.

Abstract: A file sharing system includes a web server, a first electronic device, and a second electronic device. The web server includes an authorizing module and a server storage module. The server storage module is capable of storing files uploaded from a first electronic device. The authorizing module is capable of recording an authorizing setting from the first electronic device to authorize a second electronic device to access the files in the server storage module.

Abstract: A social network searching system includes a user profile storage, a profile search engine and a linkage construction engine. The user profile storage stores user profiles. The profile search engine obtains a target member by searching the user profile storage based on a profile query from a query user. The linkage construction engine constructs a relationship linkage and extracting an optimal path from at least two paths from the query user to the target member according to a relationship linkage. A member searching and analyzing method of social network is also disclosed.

Abstract: A social network searching system includes a user profile storage, a profile search engine and a linkage construction engine. The user profile storage stores user profiles. The profile search engine obtains a target member by searching the user profile storage based on a profile query from a query user. The linkage construction engine constructs a relationship linkage and extracting an optimal path from at least two paths from the query user to the target member according to a relationship linkage. A member searching and analyzing method of social network is also disclosed.

Abstract: The disclosure provides a gesture recognition apparatus and method. The gesture recognition apparatus includes an ultrasound transmitter, an ultrasound receiver, a dividing module, a computing module, a gesture library, and a recognition module. The dividing module is configured to divide reflected ultrasound signals into a plurality of frames according to time intervals. The computing module is configured to obtain an eigenvalue of each frame. The classifying module is configured to filter the eigenvalues to obtain gesture eigenvalues, and to obtain a matrix of probabilities of the gesture eigenvalues. The recognition module is configured to search reference matrices of probabilities from the gesture library for matching with the matrix of probabilities, and to recognize the gesture eigenvalues as a reference gesture corresponding to the reference matrix of probabilities if the reference matrix of probabilities is found.