Abstract: An image monitoring system includes a first control interface, a second control interface, a recording module, a storage device, and a control circuit. The recording module generates an image monitoring data. The storage device stores the image monitoring data. The control circuit is controlled by the first control interface and the second control interface. The control circuit performs a system operation in respect of the image monitoring data according to a first trigger signal when the first control interface receives the first trigger signal and performs the system operation in respect of the image monitoring data according to a second trigger signal when the second control interface receives the second trigger signal. The first control interface is different from the second control interface, and the first trigger signal is different from the second trigger signal.

Abstract: An apparatus and a method for temporary storage of image-encoding data are provided. The apparatus for temporary storage of image-encoding data is utilized for high-resolution image encoding, wherein the apparatus includes an image sensing unit, a storage unit, and an encoding unit. The image sensing unit creates a plurality of frame data in successive order. Each frame data is composed of a plurality of macroblock row data. The storage unit includes a first storage portion and a second storage portion. The capacities of the first storage portion and the second storage portion are both a positive integral multiple of the size of the macroblock row data. The storage unit receives the macroblock row data from the image sensing unit and writes the macroblock row data into one of the first storage portion and the second storage portion.

Abstract: A memory interface chip is disclosed and includes a data output unit and a control module, wherein the data output module receives data from an external source. The data output unit can be selectively connected to different memory structures. The data output unit includes a first output channel and a second output channel, wherein the channels respectively generate a first output signal and a second output signal based on the data received. The control module selectively closes off the first output channel or the second output channel based on the memory architecture of the memory connected to the data output unit.

Abstract: A pixel data decompression method for decompressing a frame is provided. The method includes: loading memory storage addresses corresponding to to-be-decompressed blocks; reading and decompressing a pixel line of a current block according to a memory storage address of the current block; updating the memory storage address of the current block according to a decompression result; reading a memory storage address of a next block if decompression of a pixel line of the frame is not completed; and repeating the above steps until decompression of the frame is completed.

Abstract: A data compression system and a data compression method using the same are provided. The data compression method includes acquiring original data from a memory and performs image processing and quantization on the original data to transform the original data into a quantization matrix. The data compression method then transforms the quantization matrix into a digital sequence based on a coding table and compares the data volume of the digital sequence and a target volume to generate a volume difference. The data compression method transforms the digital sequence into an inverse quantization matrix based on the volume difference and then transforms the inverse quantization matrix into a modified digital sequence based on the volume difference. The data compression method repeats the processes until the data volume of the digital sequence is substantially equal to a target volume or within an acceptable range of the target volume.

Abstract: The switch circuit comprises a first switch, a second switch, a third switch, a forth switch, a fifth switch, a sixth switch and a seventh switch. The first switch couples the voltage input terminal to one terminal of a flying capacitor. The second switch couples one terminal of the flying capacitor to one terminal of the output capacitor. The third switch couples one terminal of the flying capacitor to a common terminal. The fourth switch couples the other terminal of the flying capacitor to one terminal of the output capacitor. The fifth switch couples one terminal of the output capacitor to a positive voltage output terminal. The sixth switch couples the other terminal of the flying capacitor to the common terminal. The seventh switch couples the other terminal of the flying capacitor to a negative voltage output terminal.

Abstract: A reference pixel memory storage space configuration method for configuring a main storage sub-space and an extra storage sub-space of a reference pixel memory storage space of a high resolution digital image capturing apparatus is disclosed. The method includes steps of: calculating a first frame to obtain a plurality of first reconstruction reference pixels; storing the first reconstruction reference pixels in the main storage sub-space; moving a search range window to search the first reconstruction reference pixels and calculating a second frame by referencing the first reconstruction reference pixels covered by the search range window to obtain a plurality of second reconstruction reference pixels, and when the search range window is moved from a first region to a second region in the main storage sub-space, the first region becomes an available space. The second reconstruction reference pixels are orderly stored in the extra storage sub-space and the available space.

Abstract: The switch circuit comprises a first switch, a second switch, a third switch, a forth switch, a fifth switch, a sixth switch and a seventh switch. The first switch couples the voltage input terminal to one terminal of a flying capacitor. The second switch couples one terminal of the flying capacitor to one terminal of the output capacitor. The third switch couples one terminal of the flying capacitor to a common terminal. The fourth switch couples the other terminal of the flying capacitor to one terminal of the output capacitor. The fifth switch couples one terminal of the output capacitor to a positive voltage output terminal. The sixth switch couples the other terminal of the flying capacitor to the common terminal. The seventh switch couples the other terminal of the flying capacitor to a negative voltage output terminal.

Abstract: An electronic device switching over a turning on, a turning off and a standby mode is disclosed. The electronic device comprises a sensing unit and a host processing unit. The sensing unit senses a frame image and generates a sensing signal in the standby mode. The host processing unit is electrically connected to the sensing unit for receiving the image signal and performing a host function according to the sensing signal.

Abstract: An image-data-processing device for processing first image data includes an image processing chip with a first memory and a second memory. The image processing chip further includes a data managing unit and a coding module, wherein the memory space of the second memory is greater than the memory space of the first memory. The data managing unit receives the first image data from an image sensor and transmits the image data to the encoding module, wherein the encoding module generates a second image data based on the first image data received. The data managing unit then selectively stores the second image data in the first memory or the second memory.

Abstract: A device and method is provided to selectively modify the transmission performance of a frame data. Through a parallel transmission interface, the frame data is transmitted under a corresponding interface protocol and transmitted toward an image display. The method first detects a data size of the frame data and then provides a transmission control signal based on the detection of the data size. Next, selectively divide the frame data by a factor M based on the transmission control signal. Furthermore, transmit the divided frame data at a raised clock rate based on the factor M. Afterwards, temporarily store the divided frame data about to be transmitted toward the image display until the whole frame data is transmitted.

Abstract: A hand-held electrical communication device including an image sensing unit, a mobile TV receiver, an image signal processing unit, a display unit and a baseband processing unit is provided. The image sensing unit generates an original image frame. The mobile TV receiver receives a compressed video data. The image signal processing unit adjusts the original image frame to be an adjusted image frame or decompresses the compressed video data into a video image frame, and respectively scales the adjusted image frame or the video image frame to be a scaled image frame. The baseband processing unit displays the scaled image frame on the display unit.

Abstract: An image compression method is provided. Residuals of a lot of pixel data are calculated. Respective compression costs of the residuals of the pixel data are estimated according to a lot of category residual relationships. The compression costs are compared and one of the category residual relationships is selected. The residuals of the pixel data are compressed according to the selected category residual relationship.

Abstract: A pixel data decompression method for decompressing a frame is provided. The method includes: loading memory storage addresses corresponding to to-be-decompressed blocks; reading and decompressing a pixel line of a current block according to a memory storage address of the current block; updating the memory storage address of the current block according to a decompression result; reading a memory storage address of a next block if decompression of a pixel line of the frame is not completed; and repeating the above steps until decompression of the frame is completed.

Abstract: An image capturing method including following steps is provided. A preview image is captured and compressed into a compressed preview image according to a preview quantization table. An image complexity is judged by determining the amount of high frequency components the preview image has according to a set of factors consisting of the preview quantization table, a resolution of the preview image and a size of the compressed preview image. The more the amount of high frequency components the preview image has, the higher the image complexity. A to-be-captured image is captured. An initial quantization table is determined according to a set of factors consisting of the image complexity, a resolution of the to-be-captured image and an image compression target. The to-be-captured image is compressed into an output image according to the initial quantization table.

Abstract: An ACS unit of a Viterbi decoder and a method for calculating the bit error rate (BER) before Viterbi decoder are provided. The ACS unit includes a state calculator and a BER calculator. The state calculator calculates the state metric of a corresponding target state in the trellis diagram and selects one of two candidate source states as the selected source state of the target state. The state calculator also provides a selection signal indicating the selected source state. The BER calculator is coupled to the state calculator for providing the sum of the BER of the selected source state and the bit error count (BEC) of the transition from the selected source state to the target state as the BER of the target state.

Abstract: A mobile communication terminal system includes a serial interface port, a multimedia output/input module, a multimedia processor, a frequency-signal output/input module, and a baseband processor. The serial interface port is coupled to a computer system via a serial interface. The multimedia output/input module provides a first input signal. The multimedia processor processes the first input signal to generate a first serial interface signal. The frequency-signal output/input module provides a second input signal. The baseband processor processes the second input signal to generate a second serial interface signal to the multimedia processor.

Abstract: A null detector and its corresponding method are provided. The null detector includes a power detector, a smoother, and an overlapper. The power detector outputs a power level signal according to the power level of a received signal. The smoother is coupled to the power detector for determining according to the power level signal whether the received signal is transmitting a null symbol, and then the smoother outputs a null detection signal at a first state value or a second state value indicating the result of the determination. The overlapper is coupled to the smoother for providing the duration and position of the null symbols transmitted by the received signal according to the null detection signal.

Abstract: An image acquiring apparatus and an image processing method thereof. First, the apparatus acquires an image including at least one pixel corresponding to image data. A location of the at least one pixel of the image is represented by an actual coordinate. Next, the apparatus proceeds the stray processing according to the actual coordinate and generates a virtual compensation parameter. Then, the apparatus adjusts the image data into adjusted image data according to the virtual compensation parameter. Finally, the apparatus displays the image according to the adjusted image data.

Abstract: An image capturing method including following steps is provided. A preview image is captured and compressed into a compressed preview image according to a preview quantization table. An image complexity is judged by determining the amount of high frequency components the preview image has according to a set of factors consisting of the preview quantization table, a resolution of the preview image and a size of the compressed preview image. The more the amount of high frequency components the preview image has, the higher the image complexity. A to-be-captured image is captured. An initial quantization table is determined according to a set of factors consisting of the image complexity, a resolution of the to-be-captured image and an image compression target. The to-be-captured image is compressed into an output image according to the initial quantization table.