An operational amplifier applicable to a display device is provided. The operational amplifier having multiple output stages. The operational amplifier includes an input stage, an output stage selection module and a plurality of output stages. The output stage selection module is coupled to the input stage. Each of the output stages is coupled to the output stage selection module and is coupleable to drive a corresponding one of a plurality of loads. The output stage selection module is configured to selectively couple or discouple each of the output stages respectively to the input stage according to a plurality of selection signal. Furthermore, a load driving apparatus and a grayscale voltage generating circuit are also provided.

An apparatus for visualizing physical movements includes: a device for acquiring video image files; a data analysis system including processor and memory; a computer program operating in the processor to identify an area in the images where periodic motions associated with physical movement of an object may be detected and quantified, and compute a new image sequence in which the motions are visually amplified; and, a user interface that displays the motion-amplified video image of the mechanical component. An associated method for using the apparatus is also disclosed.

A load driving apparatus for driving a plurality of loads is provided. The load driving apparatus includes an output stage module, a load driving module, and an output stage selection module. The output stage module includes a plurality of output stages. Each of the output stages is coupled to a corresponding one of the loads. The load driving module is coupled to the output stage module and outputs a driving signal to drive one of the loads through the output stage module. The output stage selection module is coupled between the output stage module and the load driving module and selects one of the output stages in the output stage module, so that the load driving module drives the load which is coupled to the selected output stage through the selected output stage. Furthermore, a grayscale voltage generating circuit including the foregoing load driving apparatus is also provided.

There is provided a video signal noise elimination method for performing noise correction by digital processing. The video signal noise elimination method includes using, as an output video signal, a mixed video signal obtained by mixing an input video signal and a low-pass video signal at a predetermined mixing ratio corresponding to a contour signal. The method further includes subtracting an off-set, which grows larger as the low-pass video signal becomes greater, from the contour signal. The method further includes controlling the predetermined mixing ratio so that a ratio of the low-pass video signal contained in the mixed video signal increases in a portion where the contour signal is small and so that the ratio of the low-pass video signal contained in the mixed video signal decreases in a portion where the contour signal is large.

Methods and an apparatus for locally sharpening a video using a spatial indication of blurring in a video signal are described. A method includes obtaining the spatial indication of blurring associated with the video signal, wherein the spatial indication of blurring is provided to locally adjust the sharpness of a video image of the video signal, the strength of sharpening being locally decreased for blurred area. Another method includes obtaining a video signal, obtaining a spatial indication of blurring, adjusting the sharpness of the video signal using the indication of the blurring, and providing the adjusted video signal for display on a display device. An apparatus includes a tuner that receives a video signal and a processor for obtaining (either from metadata or from video signal processing) a spatial indication of blurring associated with the video signal, a video processor that adjusts the locally sharpness of the video signal using the spatial indication of the blurring, and a display interface that provides the adjusted video signal for display.

A non-contacting system for visualizing and analyzing periodic movements in machinery includes at least one video acquisition device that acquires sampling data as a video comprising a plurality of video image frames and a data analysis system including processor and memory, and a computer program operating in the processor to filter movements depicted in the video to a specific frequency to normalize the phase in a plurality of objects in the video representing parts or components of the machinery, to compare the movements of such objects which in some embodiments provides for construction of a modified video to visually exaggerate the apparent movement of the at least one of the plurality of objects.

An infinitely adjustable active digital television (DTV) amplifier with timing and displaying functions is connected between an antenna and a coaxial cable for detecting, adjusting, and displaying an amplification factor of the amplifier. The amplifier includes: a LNA amplifier unit having a source connected to a DC source, a RF input end connected to the antenna and a RF output end connected to the coaxial cable; an infinite adjustment unit connected to a DC potentiometer which has an output terminal connected to the source of the LNA amplifier unit for providing bias voltage; and a gain detection and a display unit having a control chip, a display driving circuit and a display screen. The control chip is connected to the infinite adjustment unit for collecting instantaneous voltage, and displaying an amplification factor corresponding to the instantaneous voltage on a display screen.

An apparatus for visualizing physical movements includes: a device for acquiring video image files; a data analysis system including processor and memory; a computer program operating in the processor to identify an area in the images where periodic motions associated with physical movement of an object may be detected and quantified, and compute a new image sequence in which the motions are visually amplified; and, a user interface that displays the motion-amplified video image of the mechanical component. An associated method for using the apparatus is also disclosed.

An operational amplifier applicable to a display device is provided. The operational amplifier having multiple output stages. The operational amplifier includes an input stage, an output stage selection module and a plurality of output stages. The output stage selection module is coupled to the input stage. Each of the output stages is coupled to the output stage selection module and is coupleable to drive a corresponding one of a plurality of loads. The output stage selection module is configured to selectively couple or discouple each of the output stages respectively to the input stage according to a plurality of selection signal. Furthermore, a load driving apparatus and a grayscale voltage generating circuit are also provided.

An apparatus for visualizing physical movements includes: a device for acquiring video image files; a data analysis system including processor and memory; a computer program operating in the processor to identify an area in the images where periodic motions associated with physical movement of an object may be detected and quantified, and compute a new image sequence in which the motions are visually amplified; and, a user interface that displays the motion-amplified video image of the mechanical component. An associated method for using the apparatus is also disclosed.