Abstract: An object recognition method and a device thereof are provided, the method includes: obtaining a plurality of key points of a test image and grayscale feature information of each of the key points, where the grayscale feature information is obtained according to a grayscale variation in the test image; obtaining hue feature information of each of the key points, where according to hue values of a plurality of adjacent pixels of the key point, the adjacent pixels are divided into a plurality of groups, and one of the groups is recorded as the hue feature information; and determining whether the test image is matched with a reference image according to the grayscale feature information and the hue feature information.

Abstract: A transparent display apparatus and a method for driving a transparent display panel thereof are provided. The transparent display apparatus includes a first and second transparent display panels, an image processor and a display driver. The image processor receives an image signal having display data, a transparency control signal having transparent values, a first and second transparent parameters. The image processor calculates according to the image signal, the transparency control signal, the first and second transparent parameters to provide a first display signal having first gray data and a second display signal respectively having second gray data. The display driver drives the first and second transparent display panels according to the first and second gray data, so as to display a display image having all gradations between a black state, a white state and a transparent state through the coincided first and second transparent display panels.

Abstract: A transparent display apparatus and a method for driving a transparent display panel thereof are provided. The transparent display apparatus includes a first and second transparent display panels, an image processor and a display driver. The image processor receives an image signal having display data, a transparency control signal having transparent values, a first and second transparent parameters. The image processor calculates according to the image signal, the transparency control signal, the first and second transparent parameters to provide a first display signal having first gray data and a second display signal respectively having second gray data. The display driver drives the first and second transparent display panels according to the first and second gray data, so as to display a display image having all gradations between a black state, a white state and a transparent state through the coincided first and second transparent display panels.

Abstract: A floating image display apparatus including a plurality of display modules, a first directional film, and at least one transflective element is provided. The display modules include a first display module and a second display module. The first display module includes a first and a second display panel. The second display module is located on an opposite side to the first display module and includes a third and a fourth display panel. The third display panel is disposed corresponding to the first display panel and the fourth display panel is disposed corresponding to the second display panel. The first directional film is disposed on the first display module and is located between the first and second display modules. The transflective element is located between the first and second display modules, and each of the transflective element and the second display module form an included angle ?1.

Abstract: A transparent display apparatus and a method for driving transparent display panel thereof are provided. The transparent display apparatus includes a transparent display panel, an image processor and a display driver. The image processor receives a display data signal having multiple display data and a transparency control signal having transparency values to provide multiple driving data. When each of display data corresponds to a transparent state, the image processor sets the corresponding driving data according to a predetermined transparent state gray-level corresponding. When each of display data corresponds to a non-transparent state, the image processor transforms the each of display data into the driving data corresponding to the non-transparent state. The display driver drives the transparent display panel to display a display frame having all gradations of a black state, a white state and the transparent state according the driving data.

Abstract: The invention provides a liquid crystal display device and a driving method thereof. The liquid crystal display device includes a liquid crystal display panel and a driver. The liquid crystal display panel includes scan lines, data lines, and pixel units. The pixel units are respectively disposed at intersections of the scan lines and the data lines, and the pixel units are divided into pixel groups. The driver is coupled to the scan lines and the data lines and respectively provides scan driving signals and data driving signals to the scan lines and the data lines according to display data, so as to drive the pixel groups on the liquid crystal display panel at different driving time points or with a fluctuating driving frequency, thereby effectively preventing a flicker phenomenon that occurs when a scan driving frequency is reduced and significantly improving the display quality of the liquid crystal display device.

Abstract: A display device and a method of driving a display panel. The display device includes a color calculating unit, a color data converting unit, a display and a panel driving unit. The color calculating unit supplies a first, a second, a third, and a fourth color data to the color data converting unit according to an image data. The color data converting unit outputs a first, a second, a third, and a fourth display data to the panel driving unit. A panel driving unit outputs a first, a second, and a third pixel voltages according to a first gamma curve to drive a first, a second, and a third color pixels of the display panel, and outputs a fourth pixel voltage according to a second gamma curve to drive a fourth color pixel of the display panel, wherein the first gamma curve is different from the second gamma curve.

Abstract: A display device and a method of driving a display panel. The display device includes a color calculating unit, a color data converting unit, a display and a panel driving unit. The color calculating unit supplies a first, a second, a third, and a fourth color data to the color data converting unit according to an image data. The color data converting unit outputs a first, a second, a third, and a fourth display data to the panel driving unit. A panel driving unit outputs a first, a second, and a third pixel voltages according to a first gamma curve to drive a first, a second, and a third color pixels of the display panel, and outputs a fourth pixel voltage according to a second gamma curve to drive a fourth color pixel of the display panel, wherein the first gamma curve is different from the second gamma curve.

Abstract: A transparent display apparatus is provided. The transparent display apparatus includes a transparent display unit and a controller. The transparent display unit displays an image frame according to a display data signal and a transparency control signal. The controller receives the display data signal and the transparency control signal, determines a first gradation and a second gradation according to the display data signal and the transparency control signal respectively, and controls the transparent display unit to display the image frame according to the first and second gradations. The first and second gradations are respectively within an interval between two of three display states including a transparent state, a black state and a white state, such that a first and second display states determined based on the first and second gradations may cover all the display effects of the transparent state, the black state and the white state.

Abstract: An electronic device and a multimedia control method thereof are provided. The electronic device has an image capturing unit and a detecting unit. The method includes following steps. When executing an image capturing operation for obtaining an image signal by the image capturing unit, a motion information of the electronic device and an environment information is simultaneously detected by the detecting unit. At least one effect control signal is generated according to the motion information and the environment information. The at least one effect control signal is outputted to at least one corresponding effect output device according to a timing of the image signal.

Abstract: A transparent display apparatus is provided. The transparent display apparatus includes a transparent display unit and a controller. The transparent display unit displays an image frame according to a display data signal and a transparency control signal. The controller receives the display data signal and the transparency control signal, determines a first gradation and a second gradation according to the display data signal and the transparency control signal respectively, and controls the transparent display unit to display the image frame according to the first and second gradations. The first and second gradations are respectively within an interval between two of three display states including a transparent state, a black state and a white state, such that a first and second display states determined based on the first and second gradations may cover all the display effects of the transparent state, the black state and the white state.

Abstract: A transparent display apparatus and a method for driving transparent display panel thereof are provided. The transparent display apparatus includes a transparent display panel, an image processor and a display driver. The image processor receives a display data signal having multiple display data and a transparency control signal having transparency values to provide multiple driving data. When each of display data corresponds to a transparent state, the image processor sets the corresponding driving data according to a predetermined transparent state gray-level corresponding. When each of display data corresponds to a non-transparent state, the image processor transforms the each of display data into the driving data corresponding to the non-transparent state. The display driver drives the transparent display panel to display a display frame having all gradations of a black state, a white state and the transparent state according the driving data.

Abstract: A floating image display apparatus including a plurality of display modules, a first directional film, and at least one transflective element is provided. The display modules include a first display module and a second display module. The first display module includes a first and a second display panel. The second display module is located on an opposite side to the first display module and includes a third and a fourth display panel. The third display panel is disposed corresponding to the first display panel and the fourth display panel is disposed corresponding to the second display panel. The first directional film is disposed on the first display module and is located between the first and second display modules. The transflective element is located between the first and second display modules, and each of the transflective element and the second display module form an included angle ?1.

Abstract: An electronic device and a multimedia control method thereof are provided. The electronic device has an image capturing unit and a detecting unit. The method includes following steps. When executing an image capturing operation for obtaining an image signal by the image capturing unit, a motion information of the electronic device and an environment information is simultaneously detected by the detecting unit. At least one effect control signal is generated according to the motion information and the environment information. The at least one effect control signal is outputted to at least one corresponding effect output device according to a timing of the image signal.

Abstract: A transparent display apparatus and an image adjustment method thereof are provided. The image adjustment method includes following steps. A background image information is obtained according to a background scenery at a first side of the transparent display panel. At least one of a plurality of color attributes of a display image is adjusted according to the background image information. The adjusted display image is output at a second side of the transparent display panel.

Abstract: A transparent display apparatus and an image adjustment method thereof are provided. The image adjustment method includes following steps. A background image information is obtained according to a background scenery at a first side of the transparent display panel. At least one of a plurality of color attributes of a display image is adjusted according to the background image information. The adjusted display image is output at a second side of the transparent display panel.

Abstract: An image processing method of a transparent display system includes providing the transparent display system, where the transparent display system includes an image processor and a transparent display panel. The image processor receives an input image. The image processor enhances the chroma of the image according to a predetermined weighting value to produce an enhanced chroma image. The image processor sharpens the contour of the image to produce a sharpened image data. The image processor adds the enhanced chroma image to the sharpened image data to produce an adjusted image. The transparent display panel displays the adjusted image.

Abstract: A weighted image enhancement method includes receiving an original image. The original image includes several original pixels. The original image is sharpened to generate a sharpened image. The sharpened image includes several sharpened pixels. Edge detection is performed with respect to the original image to generate a probability of whether each original pixel is on an edge. An enhancement mode setting is received. A corresponding weight table corresponding to the enhancement mode setting is looked up to obtain a corresponding enhancement weight of each original pixel according to the probability of whether each original pixel is on an edge. A weight calculation is performed utilizing each original pixel and its corresponding sharpened pixel according to its corresponding enhancement weight to generate an enhanced image. The enhanced image is displayed by a display unit.

Abstract: A double-layer switchable stereo liquid crystal display includes a timing controller, a microprocessor, a backlight module, a first liquid crystal panel, a controller, and a second liquid crystal panel. The timing controller receives an image signal and generates a left/right eye signal and a two-dimensional/three-dimensional control signal. The microprocessor outputs the image signal, and generates a control signal and a backlight control signal according to output timing of the image signal. The first liquid crystal panel receives and displays the image signal. The controller outputs a voltage control signal according to the control signal. The second liquid crystal panel rotates liquid crystal within the second liquid crystal panel according to the voltage control signal. A period for the second liquid crystal panel rotating the liquid crystal to a second angle is longer than a period for the second liquid crystal panel rotating the liquid crystal to a first angle.

Abstract: The present invention provides a 3D image signal controlling method. The method comprises inputting a left eye image into the first liquid crystal layer, turning off the backlight module and switching gray levels of the second liquid crystal layer to a minimum gray level during (4N?3)th time interval, wherein N is natural number; stopping inputting the left eye image, turning on the backlight module and remaining the gray levels of the second liquid crystal layer as the minimum gray level during (4N?2)th time interval; inputting a right eye image into the first liquid crystal layer, turning off the backlight module and switching the gray levels of the second liquid crystal layer as a maximum gray level during (4N?1)th time interval; and stopping inputting the right eye image, turning on the backlight module and remaining the gray levels of the second liquid crystal layer as the maximum gray level during (4N)th time interval.