Abstract: A micro-electro-mechanical system (MEMS) microphone is provided. The MEMS microphone includes a substrate, a diaphragm, a backplate and a first protrusion. The substrate has an opening portion. The diaphragm is disposed on one side of the substrate and extends across the opening portion of the substrate. The backplate includes a plurality of acoustic holes. The backplate is disposed on one side of the diaphragm. An air gap is formed between the backplate and the diaphragm. The first protrusion extends from the backplate towards the air gap.

Abstract: A method for manufacturing a nanosheet semiconductor device includes forming a poly gate on a nanosheet stack which includes at least one first nanosheet and at least one second nanosheet alternating with the at least one first nanosheet; recessing the nanosheet stack to form a source/drain recess proximate to the poly gate; forming an inner spacer laterally covering the at least one first nanosheet; and selectively etching the at least one second nanosheet.

Abstract: A display driver circuit, configured to drive a display panel, includes a time recording circuit, a storage circuit, and an output control circuit. The time recording circuit calculates a first time interval between a first vertical synchronous pulse and a second vertical synchronous pulse subsequent to the first vertical synchronous pulse. The storage circuit stores a display data corresponding to the first vertical synchronous pulse when the first vertical synchronous pulse is received by the display driver circuit. The output control circuit is coupled with the time recording circuit and the storage circuit. When the display driver circuit receives the second vertical synchronous pulse, the output control circuit outputs data pieces, generated by dividing the display data, to the display panel. The data pieces are outputted at second time intervals, and each of the second time intervals is positively correlated with the first time interval.

Abstract: An image device and an image processing integrated circuit (IC) of the image device are provided. The image device includes a camera module, a display panel, a central processing IC, and an image processing IC. Based on a control of the central processing IC, the image processing IC decides whether to pre-process an output of the camera module and provide a pre-processed result to the central processing IC, or provide the output of the camera module directly to the central processing IC. Based on the control of the central processing IC, the image processing IC decides whether to post-process an output of the central processing IC and provide a post-processed result to the display panel, or provide the output of the central processing IC directly to the display panel.

Abstract: An image device and an image processing integrated circuit (IC) of the image device are provided. The image device includes a camera module, a display panel, a central processing IC, and an image processing IC. Based on a control of the central processing IC, the image processing IC decides whether to pre-process an output of the camera module and provide a pre-processed result to the central processing IC, or provide the output of the camera module directly to the central processing IC. Based on the control of the central processing IC, the image processing IC decides whether to post-process an output of the central processing IC and provide a post-processed result to the display panel, or provide the output of the central processing IC directly to the display panel.

Abstract: A display driver circuit, configured to drive a display panel, includes a time recording circuit, a storage circuit, and an output control circuit. The time recording circuit calculates a first time interval between a first vertical synchronous pulse and a second vertical synchronous pulse subsequent to the first vertical synchronous pulse. The storage circuit stores a display data corresponding to the first vertical synchronous pulse when the first vertical synchronous pulse is received by the display driver circuit. The output control circuit is coupled with the time recording circuit and the storage circuit. When the display driver circuit receives the second vertical synchronous pulse, the output control circuit outputs data pieces, generated by dividing the display data, to the display panel. The data pieces are outputted at second time intervals, and each of the second time intervals is positively correlated with the first time interval.

Abstract: A method of performing gamut mapping on an input image for an image output device includes receiving the input image to analyze a color distribution of the input image; determining a protect range corresponding to a first percentage of color codes of the input image and a compression range corresponding to a second percentage of the color codes of the input image based on the color distribution of the input image; and moving at least one of the color codes of the input image outside the protect range of the color codes to the compression range by a compression algorithm to perform gamut mapping on the input image.

Abstract: An image processing circuit and an image contrast enhancement method of the imaging processing circuit are provided. The image processing circuit includes an index generating unit, a data compensation unit, and a data gain unit. The index generating unit receives a plurality of pixel data of a first frame to provide a plurality of local curve indices corresponding to a plurality of display areas of a display panel. The data compensation unit selects parts of a plurality of gray-level transformation curves respectively corresponding to the pixel data according to the local curve indices, so as to regulate the pixel data and then provide a plurality compensated pixel data. The data gain unit determines a data gain according to a backlight duty cycle signal and regulates the compensated pixel data according to the data gain, so as to provide a plurality of enhanced pixel data.

Abstract: An apparatus including a processor and a non-transitory storage medium is provided. The non-transitory storage medium includes a program code executable by the processor. The apparatus is configured to execute the program code with the processor for processing a source image to generate a target image.

Abstract: An apparatus including a processor and a non-transitory storage medium is provided. The non-transitory storage medium includes a program code executable by the processor. The apparatus is configured to execute the program code with the processor for processing a source image to generate a target image.

Abstract: A method of performing gamut mapping on an input image for an image output device includes receiving the input image to analyze a color distribution of the input image; determining a protect range corresponding to a first percentage of color codes of the input image and a compression range corresponding to a second percentage of the color codes of the input image based on the color distribution of the input image; and moving at least one of the color codes of the input image outside the protect range of the color codes to the compression range by a compression algorithm to perform gamut mapping on the input image.

Abstract: A method of performing luminance/brightness adjustment and gamut mapping to high dynamic range images for a display device includes receiving an input image to analyze an image distribution of the input image, generating a scene information of the input image according to the image distribution, and performing luminance/brightness adjustment and gamut mapping to the input image according to the scene information, to generate an output image corresponding to the input image, wherein the scene information is regarded as dynamic metadata of the input image.

Abstract: An apparatus for processing a source image to generate a target image is provided. The target image includes a plurality of target pictures. The apparatus includes a first image processing circuit and a second image processing circuit. The first image processing circuit separates the source image into a first image including a first part of the source image and a second image including a second part of the source image. The second image processing circuit processes the first image to obtain a plurality of target first pictures according to a first setting, process the second image to obtain a plurality of target second pictures according to a second setting, and combine each of the target first pictures with a corresponding one of the target second pictures to obtain the plurality of target pictures. A method for processing a source image to generate a target image is also provided.

Abstract: A switching method of video setting for a video conversion system includes generating a static metadata change flag when a static metadata change event is detected, repeating an output video after the static metadata change flag is generated, updating a video setting according to a static metadata corresponding to an input video when the output video is repeated, and converting the input video into the output video according to the video setting to display the output video.

Abstract: The display system adapted to provide a client oriented service is provided. The display system includes a source device and a sink device. The source device encodes a video input to output a video output. The video input includes video data. The video output includes metadata and a video stream, and the video stream is encoded from the video data. The sink device communicates with the source device. The sink device receives and decodes the video output to obtain the video data. The sink device displays images according to the video data and the metadata. The source device generates the metadata from the video input according to hardware parameters of the sink device. In addition, a source device, a sink device and an image displaying method are also provided.

Abstract: A method of performing luminance/brightness adjustment and gamut mapping to high dynamic range images for a display device includes receiving an input image to analyze an image distribution of the input image, generating a scene information of the input image according to the image distribution, and performing luminance/brightness adjustment and gamut mapping to the input image according to the scene information, to generate an output image corresponding to the input image, wherein the scene information is regarded as dynamic metadata of the input image.

Abstract: Artifact reduction method and apparatus, and image processing method and apparatus are provided. The artifact reduction apparatus includes a scaling-down unit, a buffer unit, an artifact detection unit, a scaling-up unit and a filter unit. The scaling-down unit scales down a resolution of a current original image frame to obtain a current low-resolution image frame. The artifact detection unit performs an artifact detection to the current low-resolution image frame to obtain low-resolution weights in accordance with a relation of the current low-resolution image frame and a previous low-resolution image frame provided by the buffer unit. The scaling-up unit scales up a number of the low-resolution weights to obtain a high-resolution weights. By using the high-resolution weights, the filter unit performs an image processing procedure to the current original image frame for reducing artifact of the current original image frame and obtaining an adjusted image frame.

Abstract: An apparatus for processing a source image to generate a target image is provided. The target image includes a plurality of target pictures. The apparatus includes a first image processing circuit and a second image processing circuit. The first image processing circuit separates the source image into a first image including a first part of the source image and a second image including a second part of the source image. The second image processing circuit processes the first image to obtain a plurality of target first pictures according to a first setting, process the second image to obtain a plurality of target second pictures according to a second setting, and combine each of the target first pictures with a corresponding one of the target second pictures to obtain the plurality of target pictures. A method for processing a source image to generate a target image is also provided.

Abstract: An image converting method includes calculating a plurality of segment averages of pixel values in a plurality segments of an input image; acquiring the maximum among the segment averages as a first threshold; calculating a plurality of local averages of pixel values in adjacent segments of input image; acquiring the maximum among local averages as a second threshold; counting the number of pixel values exceeding first threshold in the segments as a plurality of first pixel counts and counting the number of pixel values exceeding second threshold in the segments as a plurality of second pixel counts; generating a specular map and a confidence according to the first pixel counts and the second pixel counts; mapping the input image according to the specular map, to generate an intermediate image; and blending the input image and the intermediate image according to the confidence, to generate an output image.

Abstract: An image processing circuit and an image contrast enhancement method of the imaging processing circuit are provided. The image processing circuit includes an index generating unit, a data compensation unit, and a data gain unit. The index generating unit receives a plurality of pixel data of a first frame to provide a plurality of local curve indices corresponding to a plurality of display areas of a display panel. The data compensation unit selects parts of a plurality of gray-level transformation curves respectively corresponding to the pixel data according to the local curve indices, so as to regulate the pixel data and then provide a plurality compensated pixel data. The data gain unit determines a data gain according to a backlight duty cycle signal and regulates the compensated pixel data according to the data gain, so as to provide a plurality of enhanced pixel data.