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TFEL display is a capacitive display driven at high voltage and it requires a high-voltage, large-current driving circuit. A novel driving circuit is proposed in this paper based on the photoelectric features of TFEL. It includes the core controller circuit based on FPGA, the column and row driving circuits, the high voltage supply circuit and the TFEL display. Output range of column driver various...
Traditional bilinear scaling method requires pre-zoom operation while zooming-out an image. In that way, the image resizing system will demand two different scaling sets, one for zooming-out and another for zooming-in, and hence leads to higher cost of hardware implementation and system complication. This paper presents an improved scaling method called window-scaling algorithm. It is relatively low...
In order to satisfy the special demand for image display in TFT-LCD, this paper presents a synthesis design and its implementation for image processing in TCON of TFT-LCD. The modules, including contrast adjustment, luminance adjustment, gamma correction and dithering technique, are designed to deal with the zoomed image, and at the same time, match the real-time requirements. All the modules are...
The paper discussed the use of convolutional code to implement single fault tolerant finite state machines (FSMs) in VLSI circuits. In order to correct the fault, the authors propose a novel scheme which can simultaneously detect and correct errors occurred in FSM states. A key decoder behind the checker was designed. The error state was corrected and sent back to the FSM, so that the concurrent error...
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