Abstract: A projection system and a projection method are provided. The projection system includes a processing module, a projection module and a photographing module. The projection module is coupled to the processing module, and projects a first projection image including a first asymmetric graph. The photographing module is coupled to the processing module, and captures at least a part of the first projection image based on a photographing range, so as to output a first photographed image including at least one second asymmetric graph. The processing module analyzes the first photographed image to determine whether the at least one second asymmetric graph is consistent with a geometric configuration of the first asymmetric graph. The processing module determines an effective photographing area according to one of the at least one second asymmetric graph that is consistent with the geometric configuration of the first asymmetric graph in the first photographed image.

Abstract: A projection system including a processing device and a first projector is provided. The first projector includes a first projection unit and a first image capturing unit. The first projection unit is configured to sequentially project a first reference image and a second reference image. The first image capturing unit is configured to sequentially obtain a first captured image and a second captured image. The processing device is adapted to compare the first captured image and the second captured image to obtain a position of an image region having a pixel value change among the first captured image and the second captured image. The processing device defines the position of the image region having the pixel value change as a valid identification region. In addition, an automatic setting method is also provided.

Abstract: The disclosure provides an image blending method. The method includes projecting a plurality of images onto a projection surface, respectively, wherein an image of the first portion of the first image and an image of the first portion of the second image projected onto the projection surface overlap each other in the first overlapping area on the projection surface; the image parameters of all pixels of the first non-overlapping area and the second non-overlapping area are adjusted according to the position of the first non-overlapping area and the position of the second non-overlapping area, such that the black-level brightness of the first non-overlapping image in the first non-overlapping area of the first image and the black-level brightness of the second non-overlapping image in the second non-overlapping area of the second image are close to the black-level brightness of the first overlapping image in the first overlapping area.

Abstract: The disclosure provides an image blending method. The method includes projecting a first image and a second image onto a projection surface by a first projector and a second projector, respectively, and the first image and the second image overlap each other; and projecting the first control pattern onto the first image, adjusting the first control pattern such that a first control pattern frame matches a boundary of an overlapping area, and thereby identifying a position of a first non-overlapping area in the first image. Additionally, a similar operation is performed by the second projector to identify a second non-overlapping area in the second image. All pixels in the first non-overlapping area and the second non-overlapping area are adjusted such that the black-level brightness of the first non-overlapping area and the second non-overlapping area correspond to the black-level brightness of the overlapping area to obtain better brightness uniformity.

Abstract: A projection system including a processing device and a plurality of projectors is provided. The projectors are disposed above a projection plane or below the projection plane. The processing device determines whether the projectors are disposed above the projection plane or below the projection plane according to a firmware setting of each of the projectors. When one of the projectors disposed above the projection plane projects a projection mode determination image, the processing device analyzes captured images captured by remainders of the projectors in respective image capture areas of the projection plane to determine projection modes of the projectors. In addition, an automatic setting method is also provided. The projection system of the invention may be readily set up based on various projection requirements.

Abstract: A projection system including a projection device, an image capturing device and a processing device is provided. The projection device projects a plurality of grid patterns to a projection target. The projection target includes a border region and a projection region. The border region surrounds the projection region. The grid patterns are deformed at the border region. The image capturing device captures a capturing image including an image of the projection target. The image of the projection target includes a deformation region. The processing device receives the capturing image including the image of the projection target, and determines a position of the border region according to the deformation region of the image of the projection target, and controls the projection device to project a projection image to the projection region of the projection target according to the position of the border region.

Abstract: A projection system including an image capturing device, a processing device and a projection device is provided. The image capturing device is used for capturing a first image of a projection surface. The first image includes a plurality of positioning images. The processor receives the first image. The processing device calculates to generate a plurality of positioning points according to the positioning images. The projection device projects a second image to the projection surface according to the positioning points. The second image includes a plurality of deformation points. An amount of the deformation points and an amount of the positioning points on the projection surface are consistent, such that the projected image is automatically adjusted to a range preset by the user.

Abstract: A projection system including a processing device and a first projector is provided. The first projector includes a first projection unit and a first image capturing unit. The first projection unit is configured to sequentially project a first reference image and a second reference image. The first image capturing unit is configured to sequentially obtain a first captured image and a second captured image. The processing device is adapted to compare the first captured image and the second captured image to obtain a position of an image region having a pixel value change among the first captured image and the second captured image. The processing device defines the position of the image block having the pixel value change as a valid identification region. In addition, an automatic setting method is also provided.

Abstract: A projection system including a processing device and a plurality of projectors is provided. The projectors are disposed above a projection plane or below the projection plane. The processing device determines whether the projectors are disposed above the projection plane or below the projection plane according to a firmware setting of each of the projectors. When one of the projectors disposed above the projection plane projects a projection mode determination image, the processing device analyzes captured images captured by remainders of the projectors in respective image capture areas of the projection plane to determine projection modes of the projectors. In addition, an automatic setting method is also provided. The projection system of the invention may be readily set up based on various projection requirements.

Abstract: A projection system including a processing device and a projector is provided. The projector is coupled to the processing device. The projector includes a projection unit and an image capturing unit. The projection unit is configured to project an image frame onto a projection plane, where the image includes a grid point array. The image capturing unit is configured to capture the image frame on the projection plane according to a plurality of setting parameters, so as to obtain a plurality of captured images corresponding to the setting parameters. The processing device selects one of the captured images meeting a preset image condition as a desired captured image, and sets the image capturing unit according to a desired setting parameter. In addition, an automatic setting method is also provided. The projection system of the invention can operate without complex manual setting procedures.

Abstract: An electronic paper display apparatus including an electronic paper display panel to display an image page, a display driver coupled to the electronic paper display panel, and a data processor coupled to the display driver. The display driver drives the electronic paper display panel to display a plurality of image frames according to image data, so as to display the image page. The data processor converts a first look-up table into a second look-up table and merges a current frame and a previous frame into a combined frame. The data processor generates the image data according to the combined frame and the second look-up table and outputs the image data. The image frames include the current frame and the previous frame. A driving method of the electronic paper display apparatus is also provided.

Abstract: A touch-based interaction method includes the steps of: detecting a first ending touch point signal generated when a user at a first location touches a first ending touch point on a touch screen; upon detection of a disappearance of the first ending touch point signal, displaying a shortcut icon on a first area on the touch screen, wherein the first area is an area on the touch screen touched by the user locating at the first location; upon the user touching the shortcut icon, hiding the shortcut icon from the touch screen and displaying a menu interface on the touch screen, wherein the menu interface is located in the first area; detecting a close menu touch point signal generated when the user touches the touch screen outside of the menu interface; and upon detection of the close menu touch point signal, hiding the menu interface from the touch screen.

Abstract: An electronic paper display apparatus including an electronic paper display panel to display an image page, a display driver coupled to the electronic paper display panel, and a data processor coupled to the display driver. The display driver drives the electronic paper display panel to display a plurality of image frames according to image data, so as to display the image page. The data processor converts a first look-up table into a second look-up table and merges a current frame and a previous frame into a combined frame. The data processor generates the image data according to the combined frame and the second look-up table and outputs the image data. The image frames include the current frame and the previous frame. A driving method of the electronic paper display apparatus is also provided.

Abstract: A touch-based interaction method includes the steps of: detecting a first ending touch point signal generated when a user at a first location touches a first ending touch point on a touch screen; upon detection of a disappearance of the first ending touch point signal, displaying a shortcut icon on a first area on the touch screen, wherein the first area is an area on the touch screen touched by the user locating at the first location; upon the user touching the shortcut icon, hiding the shortcut icon from the touch screen and displaying a menu interface on the touch screen, wherein the menu interface is located in the first area; detecting a close menu touch point signal generated when the user touches the touch screen outside of the menu interface; and upon detection of the close menu touch point signal, hiding the menu interface from the touch screen.

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 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: 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 high voltage metal-oxide-semiconductor (HVMOS) transistor includes a gate poly, wherein a channel is formed in an area projected from the gate poly in a thickness direction when the HVMOS is activated; two carrier drain drift regions, adjacent to the area projected from the gate poly, wherein at least one of the carrier drain drift regions has a gradient doping concentration; and two carrier plus regions, respectively locate within the two carrier drain drift regions, wherein the two carrier plus regions and the two carrier drain drift regions are communicating with each other through the channel when the HVMOS is activated.

Abstract: A high voltage metal-oxide-semiconductor (HVMOS) transistor includes a gate poly, wherein a channel is formed in an area projected from the gate poly in a thickness direction when the HVMOS is activated; two carrier drain drift regions, adjacent to the area projected from the gate poly, wherein at least one of the carrier drain drift regions has a gradient doping concentration; and two carrier plus regions, respectively locate within the two carrier drain drift regions, wherein the two carrier plus regions and the two carrier drain drift regions are communicating with each other through the channel when the HVMOS is activated.

Abstract: A method of fabricating a semiconductor device is provided. The method comprises: forming a first layer; forming a P-well on the first layer; forming an isolation region in the P-well; performing an extra implantation on a surface between the P-well and the first layer; and forming a source/drain region. The method of the present invention can solve the punch through problem of the conventional iso-NMOS transistor without increasing cost.