Abstract: A voltage regulator and a control method thereof are provided to dynamically adjust an output voltage. The voltage regulator comprises a plurality of switching transistors and a control circuit. The first end of each switching transistor receives a driving voltage, and the second end of each switching transistor is electrically connected to the end which outputs the output voltage. The input end and the feedback end of the control circuit respectively receive a reference voltage and the output voltage. A plurality of output ends of the control circuit are electrically connected to the control ends of the switching transistors respectively. Switching transistors adjust the output voltage. The control circuit compares the output voltage with the reference voltage, and selectively turns the switching transistors on or off according to the comparison between the output voltage and the reference voltage, to control the output voltage to approach the reference voltage.

Abstract: An automatic tracking collision avoidance method has following steps: taking images in front of an origin vehicle by at least two photograph units; the images delivering to a calculation assembly, to transform the images from three primary colors images to grey images; having a relative vehicle speed of the front vehicle corresponded to the original vehicle according to the grey images; and according to the grey images the calculation assembly having a relative vehicle speed that the front vehicle corresponded to the original vehicle; the calculation assembly having a safe distance according to the relative vehicle speed, if the safe distance is great than a distance that between the original vehicle and the front vehicle, an alarm module generating an alert signal.

Abstract: An automatic tracking collision avoidance method has following steps: taking images in front of an origin vehicle by at least two photograph units; the images delivering to a calculation assembly, to transform the images from three primary colors images to grey images; having a relative vehicle speed of the front vehicle corresponded to the original vehicle according to the grey images; and according to the grey images the calculation assembly having a relative vehicle speed that the front vehicle corresponded to the original vehicle; the calculation assembly having a safe distance according to the relative vehicle speed, if the safe distance is great than a distance that between the original vehicle and the front vehicle, an alarm module generating an alert signal.

Abstract: A voltage regulator and a control method thereof are provided to dynamically adjust an output voltage. The voltage regulator comprises a plurality of switching transistors and a control circuit. The first end of each switching transistor receives a driving voltage, and the second end of each switching transistor is electrically connected to the end which outputs the output voltage. The input end and the feedback end of the control circuit respectively receive a reference voltage and the output voltage. A plurality of output ends of the control circuit are electrically connected to the control ends of the switching transistors respectively. Switching transistors adjust the output voltage. The control circuit compares the output voltage with the reference voltage, and selectively turns the switching transistors on or off according to the comparison between the output voltage and the reference voltage, to control the output voltage to approach the reference voltage.

Abstract: A method for predicting lane line is provided in the present invention, in which the method is capable of predicting and reconstructing the unidentified lane line according to a predetermined geometry relationship based on the recognized lane line data previously while one side of lane line is unable to be identified. In one embodiment, a lane predicting relationship formula is formed by describing the geometry relationship between the two identified lines defined the lane. When the one side of line of the lane is unable to be identified, a new predicted line can be reconstructed for representing the unidentified line of lane according to the lane predicting relationship curve. In another embodiment, a lane departure warning system utilizing the foregoing method is provided for monitoring vehicle moving status and alerting the driver so as to enhance the vehicle safety.

Abstract: The present invention provides a method and system for calculating image recognition rate, which automatically calculates the recognition rate according to recognizing result obtained from an embedded image processing system whose images are provided by an image controlling apparatus. The image controlling apparatus provides an image frame each time according to a control signal issued by the embedded image processing system. The embedded image processing system receives the image frame and recognizes the same. After a plurality of image frames are recognized, it is capable of calculating the recognition rate according to the recognizing result of the embedded image processing system and the recognition rate is capable of being utilized to be a basis for optimizing the parameters used in recognizing logic of the embedded image processing system.

Abstract: The invention provides a method for determining the angular magnitude of an imaging acquiring apparatus, which is capable of obtaining an arranging angular magnitude with respect to the imaging acquiring apparatus in various environments by an iteration algorithm having parameters of position of a calibrating tool with respect to an image coordinate system and characteristic value corresponding to a spatial coordinate system respectively. Meanwhile, the present further provides a vehicle collision warning system which functions to obtain the relative distance between the carrier and objects around according to the image acquired by the imaging acquiring apparatus and the angular magnitude and height of the imaging acquiring apparatus. By means of the method disclosed in the present invention, the procedure to detect the angular magnitude of the image acquiring apparatus is more convenient and accurate such that the convenience for using the vehicle collision warning system is capable of being improved.

Abstract: A method and system for assisting driver are provided in the present disclosure, in which images captured by a single image sensing device is processed by a controller having capability of image processing and identification and distance estimation in image space for providing a complete assisting image-information while the carrier is moving forward or backward. By means of the method and system of the presented disclosure, it can identify the image characteristic to be a basis for lane departure assistance/alarm while the carrier is moving forwardly as well as generate assisting track and change view angle or issue an alarm according to the distance estimation while the carrier is moving backwardly. The present disclosure may be utilized and applied in different kinds of carrier type to solve the problem of guiding of carrier maneuvering, and assist carrier lane changing, parking assistance and blind spot detection.

Abstract: The present invention provides a method and system for calculating image recognition rate, which automatically calculates the recognition rate according to recognizing result obtained from an embedded image processing system whose images are provided by an image controlling apparatus. The image controlling apparatus provides an image frame each time according to a control signal issued by the embedded image processing system. The embedded image processing system receives the image frame and recognizes the same. After a plurality of image frames are recognized, it is capable of calculating the recognition rate according to the recognizing result of the embedded image processing system and the recognition rate is capable of being utilized to be a basis for optimizing the parameters used in recognizing logic of the embedded image processing system.

Abstract: A method and system for assisting driver are provided in the present disclosure, in which images captured by a single image sensing device is processed by a controller having capability of image processing and identification and distance estimation in image space for providing a complete assisting image-information while the carrier is moving forward or backward. By means of the method and system of the presented disclosure, it can identify the image characteristic to be a basis for lane departure assistance/alarm while the carrier is moving forwardly as well as generate assisting track and change view angle or issue an alarm according to the distance estimation while the carrier is moving backwardly. The present disclosure may be utilized and applied in different kinds of carrier type to solve the problem of guiding of carrier maneuvering, and assist carrier lane changing, parking assistance and blind spot detection.

Abstract: The invention provides a method for determining the angular magnitude of an imaging acquiring apparatus, which is capable of obtaining an arranging angular magnitude with respect to the imaging acquiring apparatus in various environments by an iteration algorithm having parameters of position of a calibrating tool with respect to an image coordinate system and characteristic value corresponding to a spatial coordinate system respectively. Meanwhile, the present further provides a vehicle collision warning system which functions to obtain the relative distance between the carrier and objects around according to the image acquired by the imaging acquiring apparatus and the angular magnitude and height of the imaging acquiring apparatus. By means of the method disclosed in the present invention, the procedure to detect the angular magnitude of the image acquiring apparatus is more convenient and accurate such that the convenience for using the vehicle collision warning system is capable of being improved.

Abstract: A method for predicting lane line is provided in the present invention, in which the method is capable of predicting and reconstructing the unidentified lane line according to a predetermined geometry relationship based on the recognized lane line data previously while one side of lane line is unable to be identified. In one embodiment, a lane predicting relationship formula is formed by describing the geometry relationship between the two identified lines defined the lane. When the one side of line of the lane is unable to be identified, a new predicted line can be reconstructed for representing the unidentified line of lane according to the lane predicting relationship curve. In another embodiment, a lane departure warning system utilizing the foregoing method is provided for monitoring vehicle moving status and alerting the driver so as to enhance the vehicle safety.