National Yang Ming Chiao Tung University

Industrial Technology Research Institute

Jen-Hui Chuang

Yi-Yu Hsieh

Mu-Tien Lu

Lih-Guong Jang

Yong-Sheng Chen

Kuo-Hua Lo

June-Hao Hou

Han-Ting Lin

Chi-Li Cheng

Yi-Chun Chen

Yi-Yuan Chen

Chin-Chung Nien

Chen-Chin Cheng

Ming-Yu Shih

Tian-Sheuan Chang

Chii-Yah Yuan

Horng-Horng Lin

Hung-I Pai

Kung-Ming Lan

Jen-Yau Kuo

Peggy Joy Lu

Hsiao-Hu Tan

Yen-Shuo Lin

Shyi-Shing Hsieh

Wen-Chih Teng

Tien-Lung Chang

Pang-Chan Hung

Sung-Ping Cheng

Shih-Wei Yang

Dong-Lin Li

Yu-Han Wei

Kuan-Wen Chen

A multi-camera domain adaptive object detection system and detection method are provided. A server-end device of the system includes a target camera for obtaining target data. Each client-end device of the system includes a source camera for obtaining source data. The system executes procedures of: the server-end device transmits a global model to each client-end device; each client-end device trains the global model according to the target data and corresponding source data to obtain a trained model; each client-end device inputs the target data into the trained model, extracts feature values to obtain a feature data, and transmits each feature data to the server-end device; the server-end device assembles the feature data to obtain multiple loss functions; and the server-end device trains the global model according to the target data and loss functions to obtain a trained global model.

Multi-camera domain adaptive object detection system and detection method thereof

A fixture for heat pressing process is applied to a hot pressing machine for hot pressing two elastic plastic pieces so as to manufacture an airbag. The two elastic plastic pieces are disposed between the fixture and the hot pressing machine. The fixture includes a first frame, a second frame and a flexible heat blocking layer. The first frame includes two first brackets, which are separated from each other with a first distance. The second frame includes two second brackets, which are separated from each other with a second distance, and located at two ends of the first brackets, respectively. The flexible heat blocking layer is fixed by the first frame and/or the second frame.

Fixture for heat pressing process of manufacturing airbag

A modular pneumatic somatosensory device comprises a main body, a plurality of airbags, a plurality of inflating modules and a control module. The airbags are detachably disposed at different positions of the main body, and at least a part of the airbags have different sizes. The inflating modules are detachably disposed on the main body, and each inflating module is correspondingly connected with at least one of the airbags. The control module is detachably disposed on the main body and is electrically connected with the inflating modules. The control module controls the inflating modules to inflate the corresponding airbags according to a control signal.

Modular pneumatic somatosensory device

An antenna adjustment device and an antenna adjustment method for a mobile vehicle, in which main structure includes the mobile vehicle having a directional antenna, a photographic element and an epipolar line analysis component. The epipolar line analysis component establishes data connection with the directional antenna and the photographic element. The photographic element includes a photographic part and an image receiving processing part. With the above structure, the user can use the photographic element with the directional antenna to define an epipolar line of optimal connection efficiency with the base station on the image receiving processing part. When the connection is needed, the mobile vehicle is moved for adjusting an image of the base station imaged by the image receiving processing part to align to the epipolar line, so as to get the optimal connection efficiency.

Antenna adjustment device and method for mobile vehicle

A method for transforming between physical and virtual images includes: disposing an image capturing device at a position that does not coincide with line-of-sight of a user; providing at least three physical distance references on the line-of-sight of the user at different distances from the user, and capturing images of the at least three physical distance references by the image capturing device so as to obtain an epipolar line formed by at least three virtual distance references corresponding respectively to the images; and obtaining a first relation by a computing unit according to a position corresponding relationship between the at least three physical distance references and the at least three virtual distance references. By using the image capturing device that is at a fixed position relative to the user and does not coincide with the line-of-sight of the user, the physical position of an object is obtained.

Method and system for transforming between physical images and virtual images

A camera principal point automatic calibration system including an image acquiring device, a controller, a first display and a second display is provided, wherein the controller controls the first and second display to display parallel first line and second line. The controller selectively rotates the first and second line according to whether a first and second image line generated by the image acquiring device corresponding to the first and second line are parallel or not, and the controller calculates the principal point from parallel first image line and second image line.

System and method of automatic calibration of principal point

A method for estimating epipolar geometry and to be performed by a processing module includes the steps of: A) choosing, in each first and third images captured by a first image capturing module, two points which are collinear with a corresponding one of a first reference object in the first image and a second reference object in the third image, such that in each second and fourth images captured by a second image capturing module, two points corresponding to the two points chosen in a respective one of the first and third images are collinear with a corresponding one of the first reference object in the second image and the second reference object in the fourth image; and B) determining first and second epipoles based on the aforementioned points.

Method and system for estimating epipolar geometry

A stereoscopic imaging method includes: acquiring a convergence disparity value, which corresponds to a screen position at which a viewer is looking, from an original disparity map corresponding to first and second images that correspond to different viewing angles; generating a disparity transformation model based on the convergence disparity value and viewer-related information; transforming the original disparity map into a transformed disparity map based on the disparity transformation model; and synthesizing the first and second images into a stereoscopic image based on the transformed disparity map.

Stereoscopic imaging method and device

A trial frame includes a trial frame body and at least one measurement subject having a visual invariant geometric characteristic. The trial frame body has at least one key parameter. The measurement subject is disposed on the trial frame body and collaborates with a measurement method. A two-dimensional image of the measurement subject is recorded by an image capturing device when the trial frame body fits to a user, and the key parameter is deduced from the two-dimensional image of the measurement subject.

Trial frame and method for measuring key parameter thereof

A method and device for fisheye camera automatic calibration is disclosed. A first straight line and a second straight line are respectively moved to generate a first fisheye line and a second fisheye line being straight lines. At least two symmetric points are generated on the second straight line based on an intersection of the first straight line and the second straight line as a symmetric central point, so as to correspondingly generate at least two fisheye symmetric points. The second straight line rotates until a distance between the first fisheye line and each of two fisheye symmetric points is equal. Then, central intersection coordinates, fisheye symmetric coordinates, a fisheye symmetric distance are retrieved and used to calculate fisheye parameters.

Method and device for fisheye camera automatic calibration

An efficient 3D object localization method using multiple cameras is provided. The proposed method comprises a three-dimensional object localization process that firstly generates a plurality of two-dimensional line samples originated from a pre-calibrated vanishing point in each camera view for representing foreground video objects, secondly constructs a plurality of three-dimensional line samples from the two-dimensional line samples in all the multiple camera views, and thirdly determines three-dimensional object locations by clustering the three-dimensional line samples into object groups.

Video object localization method using multiple cameras

A multi-function control illumination device has a synchronization separator, a parameter setting device, a light emitting device, and a video processor. The synchronization separator connects with a video camera and the parameter setting device connecting with the light emitting device. The synchronization separator receives a video signal from the video camera, retrieves a synchronization signal from the video signal, and outputs the synchronization signal to the parameter setting device. The parameter setting device generates an electric signal corresponding to the synchronization signal according to at least one illumination parameter and outputs the electric signal to the light emitting device. The light emitting device emits toward a shooting direction of the video camera a light beam whose intensity periodically varies according to the electric signal. Thereby, the video camera captures images exposed by light beams of different intensities lest nearby persons be overexposed and distant persons be under-exposed.

Multi-function control illumination device

A light information receiving method, a method and a unit for the recognition of light-emitting objects are provided. The light information receiving method includes the following steps. A light-emitting object array is captured to obtain a plurality of images, wherein the light-emitting object array includes at least one light-emitting object. A temporal filtering process is performed to the images to recognize a light-emitting object. A light-emitting status of the light-emitting object array is recognized according to the light-emitting object location. A decoding process is performed according to the light-emitting status to output an item of information.

Light information receiving method, unit and method for recognition of light-emitting objects

An image processing method and a system are provided. The image processing method of moving camera comprises the following steps. An image of a road is captured by a first camera unit. A coordinate of the image of an object shown in the image of the road is captured when the image of the object shown in the image of the road is selected. At least an aiming angle of a second camera unit is adjusted according to the coordinate to make the field-of-view of the second camera unit aligned with the object. The image of the object is captured by the second camera unit. The image of the object is enlarged.

Image processing method and system

The present invention provides a lighting control module, a video camera comprising the same and a control method of the same. The video camera of the invention includes a sensing module, a light-emitting module and a control module. The sensing module receives a reflected light beam from a recording direction of the video camera, and generates an image of a scene in the recording direction. The light-emitting module emits a light toward the recording direction. Additionally, the lighting control module is connected to the light-emitting module for controlling the light-emitting module to periodically emit the light from a first brightness to a second brightness.

Growing community of inventors

Hsinchu, Taiwan

Jen-Hui Chuang