Abstract: A method and a circuit for adaptive loop filtering in a video coding system are described. The method can include receiving a block of samples generated from a previous-stage filter circuit in a filter pipeline, the block of samples being one of multiple blocks included in a current picture, performing, in parallel, adaptive loop filter (ALF) processing for multiple target samples in the block of samples, while the previous-stage filter circuit is simultaneously processing another block in the current picture, storing, in a buffer, first samples each having a filter input area defined by a filter shape that includes at least one sample which has not been received, and storing, in the buffer, second samples included in the filter input areas of the first samples.

Abstract: A projector and a method for projecting an image light beam according to an image signal are provided. The method includes: receiving the image signal; decoding the image signal to obtain a metadata of the image signal; converting a color space of the image signal from a wider color gamut to a narrower color gamut according to the metadata so as to generate a converted image signal; performing a gamma correction on the converted image signal according to the metadata to generate a corrected image signal; transferring the corrected image signal into an optical signal; providing a light beam; respectively modulating the light beam and a illumination beam according to the optical signal to form an image light beam; and projecting the image light beam.

Abstract: A post processing apparatus includes a super-resolution (SR) filtering circuit and a loop restoration (LR) filtering circuit. The SR filtering circuit applies SR filtering to a processing result of a preceding circuit. The LR filtering circuit applies LR filtering to a processing result of the SR filtering circuit. Before the SR filtering circuit finishes SR filtering of all pixels of a frame that are generated by the preceding circuit, the LR filtering circuit starts LR filtering of pixels that are derived from applying SR filtering to pixels included in the frame.

Abstract: A method and apparatus for video encoding or decoding used by a video encoder or decoder respectively. In one method, input data associated with a video sequence are received. A current sequence header for a current picture is determined. Whether the current sequence header corresponds to a first sequence header or a second sequence header is determined. If the current sequence header corresponds to the second sequence header, one or more syntax values of a syntax set associated with the first sequence header are assigned to corresponding one or more syntax values of the syntax set associated with the current sequence header. The current picture is then encoded or decoded according to the current sequence header.

Abstract: A light-emitting device includes a semiconductor stack including a first semiconductor layer, a second semiconductor layer, and an active layer emitting an UV light, formed between the first semiconductor layer and the second semiconductor layer; a first transparent conductive layer formed on the second semiconductor layer, the first transparent conductive layer including metal oxide; and a second transparent conductive layer formed on the first transparent conductive layer, the second transparent conductive layer including graphene, wherein the first transparent conductive layer is continuously formed over a top surface of the second semiconductor layer, the first transparent conductive layer comprises a thickness smaller than 10 nm.

Abstract: A random number generator includes a counting value generator, an address generator, a static entropy source and a processing circuit. The counting value generator generates a first random number. The address generator generates an address signal. The static entropy source is connected with the address generator to receive the address signal and generates a second random number. The processing circuit is connected with the static entropy source and the counting value generator to receive the first random number and the second random number. After the first random number and the second random number are processed by the processing circuit, the processing circuit generates an output random number.

Abstract: A projector and a method for projecting an image light beam according to an image signal are provided. The method includes: receiving the image signal; decoding the image signal to obtain a metadata of the image signal; determining whether the image signal is a HLG-HDR signal according to the metadata; converting a color space of the image signal from a wider color gamut to a narrower color gamut in response to the image signal is the HLG-HDR signal so as to generate a converted image signal; performing a gamma correction on the converted image signal according to the metadata to generate a corrected image signal; transferring the corrected image signal into an optical signal; providing a light beam; respectively modulating the light beam and a illumination beam according to the optical signal to form an image light beam; and projecting the image light beam.

Abstract: A projector and a method for projecting an image light beam according to an image signal are provided. The method includes: receiving the image signal; decoding the image signal to obtain a metadata of the image signal; converting a color space of the image signal from a wider color gamut to a narrower color gamut according to the metadata so as to generate a converted image signal; performing a gamma correction on the converted image signal according to the metadata to generate a corrected image signal; transferring the corrected image signal into an optical signal; providing a light beam; respectively modulating the light beam and a illumination beam according to the optical signal to form an image light beam; and projecting the image light beam.

Abstract: Aspects of the disclosure provide a method and a circuit for adaptive loop filtering in a video coding system. The method can include receiving a block of samples generated from a previous-stage filter circuit in a filter pipeline, the block of samples being one of multiple blocks included in a current picture, performing, in parallel, adaptive loop filter (ALF) processing for multiple target samples in the block of samples, while the previous-stage filter circuit is simultaneously processing another block in the current picture, storing, in a buffer, first samples each having a filter input area defined by a filter shape that includes at least one sample which has not been received, and storing, in the buffer, second samples included in the filter input areas of the first samples.

Abstract: The instant disclosure provides an antenna structure including a substrate, a first radiation element, a second radiation element, a coupling element, a grounding element, and a feeding element. The first radiation element is disposed on the substrate, including a first radiation portion, a second radiation portion, and a feeding portion connected between the first radiation portion and the second radiation portion. The second radiation element is disposed on the substrate, including a third radiation portion and a coupling portion connected with the third radiation portion. A gap is formed between the first radiation portion and the third radiation portion. The coupling element is disposed on the substrate. The coupling element is separated from the coupling portion and coupling to the coupling portion. The grounding element is coupled with the coupling element. The feeding element is coupled with the feeding portion and the grounding element.

Abstract: A post processing apparatus includes a super-resolution (SR) filtering circuit and a loop restoration (LR) filtering circuit. The SR filtering circuit applies SR filtering to a processing result of a preceding circuit. The LR filtering circuit applies LR filtering to a processing result of the SR filtering circuit. Before the SR filtering circuit finishes SR filtering of all pixels of a frame that are generated by the preceding circuit, the LR filtering circuit starts LR filtering of pixels that are derived from applying SR filtering to pixels included in the frame.

Abstract: A method and a circuit for adaptive loop filtering in a video coding system are described. The method can include receiving a block of samples generated from a previous-stage filter circuit in a filter pipeline, the block of samples being one of multiple blocks included in a current picture, performing, in parallel, adaptive loop filter (ALF) processing for multiple target samples in the block of samples, while the previous-stage filter circuit is simultaneously processing another block in the current picture, storing, in a buffer, first samples each having a filter input area defined by a filter shape that includes at least one sample which has not been received, and storing, in the buffer, second samples included in the filter input areas of the first samples.

Abstract: A data processing system includes a buffer, a design under checking (DUC), and a self-checking circuit. The buffer is used to buffer data generated from a source device. The DUC is used to perform a designated function upon data read from the buffer when operating under a normal mode. The self-checking circuit is used to apply logic functional checking to the DUC when the DUC operates under a self-checking mode. When the DUC operates under the self-checking mode, the buffer keeps buffering data generated from the source device.

Abstract: A light-emitting device includes a semiconductor stack including a first semiconductor layer, a second semiconductor layer formed on the first semiconductor layer, and an active layer formed therebetween, wherein the first semiconductor layer includes a surrounding exposed region not covered by the active layer, and the surrounding exposed region surrounds the active layer; a conductive layer formed on the second semiconductor layer, including a first conductive region extending toward and contacting the surrounding exposed region of the first semiconductor layer; an electrode layer formed on the first conductive region in the surrounding exposed region; an outside insulating layer covering a portion of the conductive layer and the electrode layer, and including a first opening exposing the other portion of the conductive layer; a bonding layer covering the outside insulating layer and electrically connecting to the other portion of the conductive layer through the first opening; and a conductive substrate, w

Abstract: An optoelectronic element includes an optoelectronic unit, a first metal layer, a second metal layer, a conductive layer and a transparent structure. The optoelectronic unit has a central line in a top view, a top surface, and a bottom surface. The second metal layer is formed on the top surface, and has an extension portion crossing over the central line and extending to the first metal layer. The conductive layer covers the first metal layer and the extension portion. The transparent structure covers the bottom surface without covering the top surface.

Abstract: The instant disclosure provides an antenna system and an antenna structure thereof. The antenna structure includes a substrate, a radiation element, a coupling element, a grounding element, a conducting element, and a feeding element. The radiation element is disposed on the substrate and includes a first radiation portion for providing a first operating band, a second radiation portion for providing a second operating band, and a coupling portion connected between the first and the second radiation portion. The coupling element is disposed on the substrate. The coupling element and the coupling portion are separated from each other and coupling to each other. The feeding element is coupled between the coupling element and the grounding element and for feeding a signal. The conducting element is used to transmit a signal to the grounding element.

Abstract: A portable device has an adaptive panoramic image processor. The portable device further has a plurality of image sensors having overlapping fields of view and an input device receiving a trigger signal that triggers the plurality of image sensors to capture a plurality of images. The adaptive panoramic image processor of the portable device processes the images to form a panorama based on side information about the portable device.

Abstract: Aspects of the disclosure provide a method for merging compressed access units according to compression rates and/or positions of the respective compressed access units. The method can include receiving a sequence of compressed access units corresponding to a sequence of raw access units partitioned from an image or a video frame and corresponding to a sequence of memory spaces in a frame buffer, determining a merged access unit including at least two consecutive compressed access units based on compression rates and/or positions of the sequence of compressed access units. The merged access unit is to be stored in the frame buffer with a reduced gap between the at least two consecutive compressed access units compared with storing the at least two consecutive compressed access units in corresponding memory spaces in the sequence of memory spaces.

Abstract: A method and apparatus of sharing an on-chip buffer or cache memory for a video coding system using coding modes including Inter prediction mode or Intra Block Copy (IntraBC) mode are disclosed. At least partial pre-deblocking reconstructed video data of a current picture is stored in an on-chip buffer or cache memory. If the current block is coded using IntraBC mode, the pre-deblocking reconstructed video data of the current picture stored in the on-chip buffer or cache memory are used to derive IntraBC prediction for the current block. In some embodiments, if the current block is coded using Inter prediction mode, Inter reference video data from the previous picture stored in the on-chip buffer or cache memory are used to derive Inter prediction for the current block. In another embodiment, the motion compensation/motion estimation unit is shared by the two modes.

Abstract: A method and apparatus for loop filter processing of reconstructed video data for a video coding system are disclosed. The system receives reconstructed video data for an image unit. The loop filter processing is applied to reconstructed pixels above a deblocking boundary of the current CTU. In order to reduce line buffer requirement and/or to reduce loop filter switching for image units, the sample adaptive offset (SAO) parameter boundary and spatial-loop-filter restricted boundary for the luma and chroma components are determined by global consideration. In one embodiment, the SAO parameter boundary and the spatial-loop-filter restricted boundary are aligned for the luma and chroma components respectively. In another embodiment, the SAO parameter boundary and the spatial-loop-filter restricted boundary for the luma and chroma components are all aligned.