Abstract: A driving device and the operating method thereof are disclosed. The driving device is adapted to drive an electronic paper display device. The driving device comprises a source driver and a timing controller. The source driver is coupled to the electronic paper display device, and configured to drive the electronic paper display device according to a source controlling signal. The timing controller is coupled to the source driver, and configured to receive input frame data, and to generate the source controlling signal according to the input frame data and lookup table information. The timing controller is configured to generate a source clock signal of the source controlling signal at a constant voltage level according to the lookup table information and the input frame data.

Abstract: A display driving device and a brightness compensation method are provided. The display driving device includes a brightness calculation module and a brightness boost module. The brightness calculation module is configured to calculate a plurality of brightness difference values between a first block and a plurality of second blocks adjacent to the first block, and calculate an average difference value of the plurality of brightness difference values. The brightness boost module is coupled to the brightness calculation module, and configured to obtain a brightness boost value according to the average difference value and an original brightness value of the first block. The brightness boost module is configured to boost a brightness of the first block according to the brightness boost value.

Abstract: A display driving circuit and a display driving method are provided. The display driving circuit includes a controller, a common voltage supply circuit, and a border voltage supply circuit. The controller generates a plurality of border voltage control signals and a plurality of common voltage control signals. The common voltage supply circuit outputs a common voltage to the display panel according to the plurality of common voltage control signals. The border voltage supply circuit outputs a border voltage to the display panel according to the plurality of border voltage control signals. When a voltage polarity of the common voltage is reversed, the common voltage supply circuit performs charge sharing by a common ground voltage.

Abstract: A display driving circuit and a display driving method are provided. The display driving circuit includes a controller, a common voltage supply circuit, and a border voltage supply circuit. The controller generates a plurality of border voltage control signals and a plurality of common voltage control signals. The common voltage supply circuit outputs a common voltage to the display panel according to the plurality of common voltage control signals. The border voltage supply circuit outputs a border voltage to the display panel according to the plurality of border voltage control signals. When a voltage polarity of the common voltage is reversed, the common voltage supply circuit performs charge sharing by a common ground voltage.

Abstract: An image processing system includes an image sensor, an object detector, an artificial intelligence (AI) inference engine and a mode controller. The image sensor is configured to capture an image. The object detector is configured to determine whether an object exists in the image, and utilize a bounding box to frame the object to obtain a region of interest (ROI) image after determining that the object exists in the image. The artificial intelligence (AI) inference engine is configured to recognize the ROI image to obtain a recognition result. The mode controller is configured to compare an ROI size of the ROI image with a lower limit of a ROI size threshold, and switches the image processing system to a crop mode or a binning mode.

Abstract: A discharge circuit includes a first subcircuit and a second subcircuit. The first subcircuit is coupled between a power supply voltage and a first reference voltage. The first subcircuit is enabled to provide a first discharge path between the power supply voltage and the first reference voltage, and generates a discharge control signal. The second subcircuit is coupled between the power supply voltage and a second reference voltage. The second subcircuit is coupled to the first subcircuit for receiving the discharge control signal, and the second subcircuit provides a second discharge path between the power supply voltage and the second reference voltage according to the discharge control signal.

Abstract: A voltage regulator is provided. The voltage regulator includes an amplifier circuit, a first output stage circuit, a switching circuit, and at least one second output stage circuit. The amplifier circuit includes a non-inverting input node, an inverting input node, a first output node, and a second output node. The non-inverting input node receives a reference voltage, and the inverting input node receives a feedback voltage. The first output stage circuit is coupled to the first output node and the second output node of the amplifier circuit. The at least one second output stage circuit is coupled to the first output stage circuit in parallel through the switching circuit. The at least one switching circuit is controlled by a control signal. An output current of the voltage regulator is provided by the first output stage circuit and at least one second output stage circuit selected by the control signal.

Abstract: A dynamic charge sharing control method includes receiving first and second row pixel data on display panel; selecting different numbers of first and second sub-pixels in first row corresponding to different charge sharing modes; averaging pixel data of selected first sub-pixels to obtain first average value and averaging pixel data of selected second sub-pixels to obtain second average value for each charge sharing mode; referencing sub-pixels in second row to corresponding sub-pixels in first row; calculating transition power for the sub-pixels in first row under each charge sharing mode by transiting first or second average value of each sub-pixel in first row into target pixel data of a corresponding one sub-pixel in second row; summing the transition power of all sub-pixels in first row to obtain total channel power for each charge sharing mode; and selecting one charge sharing mode with the minimum total channel power.

Abstract: An object detection method and an object detection apparatus are disclosed. In the object detection method, a bitstream of a progressively encoded JPEG image is fetched from an image supply device, wherein the bitstream includes a header and a subset of a plurality of discrete cosine transform (DCT) coefficients of the JPEG image, the subset of the DCT coefficients is decoded according to information in the header to reconstruct a coarse scan image of the JPEG image; and an object detection is performed on the coarse scan image to detect an object in the JPEG image.

Abstract: A object detection method includes: receiving a plurality of blocks of the image information; performing a block-based discrete cosine transform (DCT) on a plurality of blocks to obtain a plurality of DCT-coefficient blocks respectively, wherein the DCT-coefficient block comprises a DC coefficient and a plurality of AC coefficients corresponding to difference frequencies; performing a Zig-Zag scanning operation on the plurality of DCT-coefficient blocks to obtain a plurality of DCT-coefficient strips respectively; concatenating at least two different DCT-coefficient strips as a modified DCT-coefficient strip; and performing an object detection operation by feeding the modified DCT-coefficient strip to a convolution neural network device.

Abstract: A current sensing circuit includes an output driving transistor with an output node that provides an output voltage; a diode-connected first transistor connected between the output node and a current circuit; a second transistor and a third transistor connected in series, the second transistor having a gate connected to a gate of the output driving transistor, and the third transistor having a gate connected to a gate of the first transistor; and a current measuring circuit connected in series with the second transistor and the third transistor to measure a current flowing through the second transistor and the third transistor.

Abstract: A method to form a light wave-guide optical element is disclosed. First, a flat organic optical layer is formed on an optically transparent substrate before using a template to transfer a pattern onto the flat organic optical layer to obtain a patterned organic optical layer. Then the patterned organic optical layer is cured in the presence of the template to obtain an organic optical material disposed on the optically transparent substrate before removing the template from the organic optical material. Later an anti-reflection stack is formed to conformally cover the organic optical material before applying an organic optical cover layer on the anti-reflection stack to cover the anti-reflection stack.

Abstract: An adaptive power system includes a multi-output reference voltage generator that generates multiple reference voltages; a low-voltage detector that detects a supply voltage and accordingly generates a power detect signal representing relationship between the supply voltage and at least one predetermined threshold; a selector that selects one of the multiple reference voltages according to the power detect signal, thereby outputting a selected reference voltage; a boost control circuit that generates a control signal according to the selected reference voltage; and a boost converter that generates power voltages according to the control signal.

Abstract: A display image compensation device includes a signal receiver, an offset information generator and a color value compensator. The signal receiver receives a display image. The first offset information generator, coupled to the signal receiver, based on a first selected color, generates first color offset information according to each of a plurality of gray levels of the display image corresponding to the first selected color. The color value compensator generates each of a plurality of compensated gray levels by adjusting each of the gray levels of the display image according to the first color offset information.

Abstract: A wavelength division device includes a substrate having one or more grooves, a plurality of filter bars disposed in the one or more grooves of the substrate, and a prism disposed on the substrate. Each of the filter bars corresponds to an optical filtering wavelength. The prism is used for to covering the plurality of filter bars. A surface of the substrate is etched to form the one or more grooves. After the plurality of filter bars are coated, the plurality of filter bars are bonded in the one or more grooves of the substrate. A resin disposed on the substrate is imprinted by a working mold to form the prism.

Abstract: A single-inductor bipolar-output converter includes a power stage that generates a positive output voltage and a negative output voltage; a first error amplifier that generates a first error signal according to the positive output voltage; a second error amplifier that generates a second error signal according to the negative output voltage; a summation device that generates a sum signal by adding the first error signal and the second error signal; and a tunable gain control circuit coupled to receive the first error signal and configured to generate an amplified first error signal with a tunable gain.

Abstract: A compensation circuit includes a computing processor, a DAC, and an amplifier circuit. The computing processor averages first digital codes to generate a first average digital code and averages second digital codes to generate a second average digital code. The second digital codes correspond to grayscale voltages provided from a source driver to pixels connected to a currently driven gate line. The first digital codes correspond to grayscale voltages provided from the source driver to pixels connected to a previously driven gate line. The DAC converts the first average digital code into a first voltage and converts the second average digital code into a second voltage, thereby generating a compensation signal transiting from the second voltage to the first voltage. The amplifier circuit generates an inverse noise signal according to the compensation signal and applies the inverse noise signal to an input terminal of the touch sensing circuit.

Abstract: A driving circuit is provided, including first to second output stage circuits that output, respectively, first and second voltages of a first polarity. The driving circuit further includes a first switch having a first terminal receiving the first voltage from the first output stage circuit and a second terminal coupled to a first output channel through a switching circuit, and a second switch having a first terminal receiving the second voltage from the second output stage circuit and a second terminal coupled to a second output channel through the switching circuit. The driving circuit further includes a first charge sharing circuit having a first terminal coupled to the first output channel and a second terminal coupled to the second output channel. The first charge sharing circuit is turned on to provide charge sharing between the first output channel and the second output channel.

Abstract: A power-saving image display system includes a visual feature analyzer that receives input image data and generates a visual feature ratio representing a brightness ratio of a full image to a feature area; a visual feature spatial gain device that generates visual feature spatial gains according to the visual feature ratio and original spatial gains; and a brightness adjustment device that adjusts brightness values of the input image data according to corresponding visual feature spatial gains, thereby generating output image data.

Abstract: A touch driving circuit is provided. The touch driving circuit includes a charge pump, a plurality of regulators, a plurality of digital to analog converters and a switch circuit. The charge pump is configured to output a plurality of currents. The plurality of regulators is coupled to the charge pump, and configured to output a plurality of charging voltages according to the plurality of currents. The plurality of digital to analog converters is coupled to the plurality of regulators, and configured to output a plurality of driving voltages according to the plurality of charging voltages. The switch circuit is coupled to the plurality of digital to analog converters and a touch panel, and configured to output the plurality of driving voltages in a time-sharing manner to form a driving signal for the touch panel.