公开(公告)号：US10356311B2

公开(公告)日：2019-07-16

申请号：US15894944

申请日：2018-02-13

Applicant: MEDIATEK INC.

Inventor： Cheng-Tsai Ho ,  Ding-Yun Chen ,  Chi-Cheng Ju

IPC: H04N5/232 ,  G06K9/00

Abstract: An exemplary image processing method includes the following steps: receiving an image input composed of at least one source image; receiving algorithm selection information corresponding to each source image; checking corresponding algorithm selection information of each source image to determine a selected image processing algorithm from a plurality of different image processing algorithms; and performing an object oriented image processing operation upon the source image based on the selected image processing algorithm. The algorithm selection information indicates an image quality of each source image and is generated from one of an auxiliary sensor, an image processing module of an image capture apparatus, a processing circuit being one of a video decoder, a frame rate converter, and an audio/video synchronization (AV-Sync) module, or is a user-defined mode setting.

公开(公告)号：US20190088001A1

公开(公告)日：2019-03-21

申请号：US15769750

申请日：2017-09-30

Applicant: MEDIATEK INC.

Inventor： Jian-Liang Lin ,  Hung-Chih Lin ,  Chia-Ying Li ,  Shen-Kai Chang ,  Chi-Cheng Ju ,  Chao-Chih Huang ,  Hui Ouyang

IPC: G06T15/04 ,  G06T3/00 ,  G06T15/08

Abstract: A projection-based frame is generated according to an omnidirectional video frame and an octahedron projection layout. The projection-based frame has a 360-degree image content represented by triangular projection faces assembled in the octahedron projection layout. A 360-degree image content of a viewing sphere is mapped onto the triangular projection faces via an octahedron projection of the viewing sphere. One side of a first triangular projection face has contact with one side of a second triangular projection face, one side of a third triangular projection face has contact with another side of the second triangular projection face. One image content continuity boundary exists between one side of the first triangular projection face and one side of the second triangular projection face, and another image content continuity boundary exists between one side of the third triangular projection face and another side of the second triangular projection face.

公开(公告)号：US10057599B2

公开(公告)日：2018-08-21

申请号：US14542666

申请日：2014-11-17

Applicant: MEDIATEK INC.

Inventor： Chao-Chih Huang ,  Chi-Cheng Ju

IPC: H04N7/18 ,  H04N11/02 ,  H04N11/04 ,  H04N19/60 ,  H04N19/91 ,  H04N19/436

CPC classification number: H04N19/60 ,  H04N19/436 ,  H04N19/91

Abstract: A method for performing image processing control and an associated apparatus are provided, where method may include the steps of: performing image coding on image information of at least one frame to generate encoded data of the at least one frame, wherein in the encoded data, a specific frame of the at least one frame includes a plurality of tiles, and each tile of the plurality of tiles includes a plurality of superblocks; and generating a bitstream carrying the encoded data of the at least one frame, wherein at least a partition type and a transform size of each superblock within a specific tile of the plurality of tiles are derivable from information corresponding to the specific tile within the encoded data, having no need to derive the partition type and the transform size from information corresponding to another tile of the plurality of tiles within the encoded data.

公开(公告)号：US20180176462A1

公开(公告)日：2018-06-21

申请号：US15894944

申请日：2018-02-13

Applicant: MEDIATEK INC.

Inventor： Cheng-Tsai Ho ,  Ding-Yun Chen ,  Chi-Cheng Ju

IPC: H04N5/232 ,  G06K9/00

CPC classification number: H04N5/23219 ,  G06K9/00261 ,  H04N5/23216 ,  H04N5/23241

Abstract: An exemplary image processing method includes the following steps: receiving an image input composed of at least one source image; receiving algorithm selection information corresponding to each source image; checking corresponding algorithm selection information of each source image to determine a selected image processing algorithm from a plurality of different image processing algorithms; and performing an object oriented image processing operation upon the source image based on the selected image processing algorithm. The algorithm selection information indicates an image quality of each source image and is generated from one of an auxiliary sensor, an image processing module of an image capture apparatus, a processing circuit being one of a video decoder, a frame rate converter, and an audio/video synchronization (AV-Sync) module, or is a user-defined mode setting.

公开(公告)号：US09922620B2

公开(公告)日：2018-03-20

申请号：US15107106

申请日：2015-03-18

Applicant: MEDIATEK INC.

Inventor： Chi-Cheng Ju ,  Tsu-Ming Liu

IPC: G09G5/02 ,  G09G5/06 ,  G09G5/04 ,  H04N1/60 ,  H04N19/00 ,  H04N19/66 ,  G06F3/14 ,  G06F11/00 ,  G06F11/10 ,  G06F13/42 ,  G09G5/00 ,  G06F11/07 ,  H03M13/00 ,  G09G5/14 ,  H04N19/436 ,  H04N19/86 ,  H04N19/426 ,  G06T1/60

CPC classification number: G09G5/006 ,  G06F3/14 ,  G06F3/1415 ,  G06F11/00 ,  G06F11/0733 ,  G06F11/0793 ,  G06F11/10 ,  G06F13/4282 ,  G06T1/60 ,  G09G5/04 ,  G09G5/14 ,  G09G2310/0264 ,  G09G2320/0606 ,  G09G2320/0686 ,  G09G2330/021 ,  G09G2340/02 ,  G09G2360/08 ,  G09G2370/00 ,  H03M13/6312 ,  H04N19/00 ,  H04N19/426 ,  H04N19/436 ,  H04N19/66 ,  H04N19/86 ,  Y02D10/14 ,  Y02D10/151

Abstract: A data processing apparatus has a compression circuit and an output interface. The compression circuit has a pre-processor and a compressor. The pre-processor receives a first input display data in a first color domain, and performs a color format conversion upon the first input display data to generate a second input display data in a second color domain, wherein the second color domain is different from the first color domain. The compressor performs compression in the second color domain, wherein the compressor is arranged to compress the second input display data into a compressed display data in the second color domain. The output interface packs an output display data derived from the compressed display data into an output bitstream, and outputs the output bitstream via a display interface.

公开(公告)号：US09912968B2

公开(公告)日：2018-03-06

申请号：US14767912

申请日：2015-01-21

Applicant: MEDIATEK INC.

Inventor： Chia-Yun Cheng ,  Chi-Cheng Ju ,  Yung-Chang Chang ,  Chih-Ming Wang

IPC: H04N19/91 ,  H04N19/176 ,  H04N19/60 ,  H04N19/44 ,  H04N19/463 ,  H04N19/129 ,  H04N19/70 ,  H04N19/18 ,  H04N19/82

CPC classification number: H04N19/91 ,  H04N19/129 ,  H04N19/176 ,  H04N19/18 ,  H04N19/44 ,  H04N19/463 ,  H04N19/60 ,  H04N19/70 ,  H04N19/82

Abstract: A decoding apparatus has an arithmetic decoder and a controller. A counter logic of the controller generates a first statistics result according to a first syntax element decoding result. A control logic of the controller instructs the arithmetic decoder to perform a first scan procedure at least once to generate the first syntax element decoding result of transform coefficients of a transform coefficient block, controls a repetition number of a second scan procedure based at least partly on the first statistics result, and instructs the arithmetic decoder to perform the second scan procedure at least once to generate a second syntax element decoding result of the transform coefficients. The first scan procedure decodes a first coded syntax element of one transform coefficient when performed by the arithmetic decoder once. The second scan procedure decodes a second coded syntax element of one transform coefficient when performed by the arithmetic decoder once.

公开(公告)号：US20170302941A1

公开(公告)日：2017-10-19

申请号：US15638888

申请日：2017-06-30

Applicant: MEDIATEK INC.

Inventor： Tsu-Ming Liu ,  Yung-Chang Chang ,  Chi-Cheng Ju

IPC: H04N19/426 ,  H04N19/44 ,  H04N19/172

CPC classification number: H04N19/428 ,  H04N19/105 ,  H04N19/156 ,  H04N19/159 ,  H04N19/172 ,  H04N19/44 ,  H04N19/61

Abstract: Method and system of video decoding incorporating frame compression to reduce frame buffer size are disclosed. The method adjusts parameters of the frame compression according to decoder system information or syntax element in the video bitstream. The decoder system information may be selected from a group consisting of system status, system parameter and a combination of system status and system parameter. The decoder system information may include system bandwidth, frame buffer size, frame buffer status, system power consumption, and system processing load. The syntax element comprises reference frame indicator, initial picture QP (quantization parameter), picture type, and picture size. The adaptive frame compression may be applied to adjust compression ratio. Furthermore, the adaptive frame compression may be applied to a decoder for a scalable video coding system or a multi-layer video coding system.

公开(公告)号：US09711109B2

公开(公告)日：2017-07-18

申请号：US15152562

申请日：2016-05-12

Applicant: MEDIATEK INC.

Inventor： Chi-Cheng Ju ,  Tsu-Ming Liu

IPC: G06T1/20 ,  G06T9/00 ,  G09G5/00 ,  H04N19/10 ,  G06F3/14 ,  H04N19/172 ,  H04N19/12 ,  H04N19/136 ,  H04N19/156 ,  H04N19/164

CPC classification number: G09G5/006 ,  G06F3/14 ,  G06T1/20 ,  G06T9/00 ,  G09G5/005 ,  G09G2330/021 ,  G09G2340/02 ,  G09G2340/04 ,  G09G2350/00 ,  G09G2370/08 ,  G09G2370/10 ,  H04N19/10 ,  H04N19/12 ,  H04N19/136 ,  H04N19/156 ,  H04N19/164 ,  H04N19/172

Abstract: A data processing apparatus includes a compressor and an output interface. The compressor generates a compressed display data by compressing a display data according to a compression algorithm. The output interface appends first indication information in a first output bitstream, appends second indication information in a second output bitstream, and outputs the first output bitstream and the second output bitstream via a display interface. The first output bitstream is derived from the compressed display data. The first indication information is set in response to the compression algorithm employed by the compressor. The first indication information is different from the second indication information. The display interface is arranged for coupling to a driver circuit.

公开(公告)号：US09681055B2

公开(公告)日：2017-06-13

申请号：US15296002

申请日：2016-10-17

Applicant: MEDIATEK INC.

Inventor： Chi-Cheng Ju ,  Ding-Yun Chen ,  Cheng-Tsai Ho

IPC: H04N5/232 ,  G06T3/40 ,  G06T5/00 ,  H04N9/79 ,  H04N5/77 ,  G06T7/00

CPC classification number: H04N5/23293 ,  G06T3/40 ,  G06T3/4007 ,  G06T3/4023 ,  G06T3/4053 ,  G06T5/003 ,  G06T7/0002 ,  G06T2207/10016 ,  G06T2207/20192 ,  G06T2207/30168 ,  G06T2207/30201 ,  H04N5/23222 ,  H04N5/23248 ,  H04N5/23254 ,  H04N5/772 ,  H04N9/79

Abstract: A preview system of an image capture apparatus has a processing circuit and a display apparatus. The processing circuit reads an input image, scales at least a portion of the input image to generate a first preview image, and derives a second preview image from a selected portion of the input image. The display apparatus displays the first preview image and the second preview image, concurrently. Besides, a preview method for an image capture apparatus includes at least the following steps: reading an input image; scaling at least a portion of the input image to generate a first preview image; deriving a second preview image from a selected portion of the input image; and displaying the first preview image and the second preview image on a display apparatus, concurrently.

公开(公告)号：US09535489B2

公开(公告)日：2017-01-03

申请号：US13965203

申请日：2013-08-13

Applicant: MEDIATEK INC.

Inventor： Chi-Cheng Ju ,  Tsu-Ming Liu

IPC: H04N1/32 ,  H04N19/10 ,  G06F3/14 ,  H04N5/232 ,  H04N19/12 ,  H04N19/15 ,  H04N19/17 ,  G06F1/32 ,  H04N19/154 ,  H04N19/179

CPC classification number: H04N5/23229 ,  G06F1/325 ,  G06F1/3278 ,  G06F3/14 ,  G09G2340/02 ,  G09G2340/04 ,  H04N5/23235 ,  H04N5/23241 ,  H04N5/23293 ,  H04N19/10 ,  H04N19/12 ,  H04N19/146 ,  H04N19/154 ,  H04N19/179 ,  H04N19/184 ,  Y02D10/157

Abstract: A data processing system has a first data processing apparatus and a second data processing apparatus. The first data processing apparatus has at least a camera sensor, a compressor and an output interface. The camera sensor generates first input multimedia data. The compressor compresses the first input multimedia data into compressed multimedia data. The output interface packs compressed multimedia data into a bitstream. The second data processing apparatus has at least an input interface, a data access circuit, and a de-compressor. The input interface un-packs the bitstream into second input multimedia data. The data access circuit stores second input multimedia data into a multimedia buffer and reads buffered multimedia data from the multimedia buffer. The de-compressor de-compresses buffered multimedia data. Alternatively, one of the compressor and the decompressor may be implemented in a third data processing apparatus coupled between the first data processing apparatus and the second data processing apparatus.

Abstract translation: 数据处理系统具有第一数据处理装置和第二数据处理装置。 第一数据处理装置至少具有摄像机传感器，压缩器和输出接口。 相机传感器产生第一输入多媒体数据。 压缩器将第一输入多媒体数据压缩成压缩的多媒体数据。 输出接口将压缩的多媒体数据打包成比特流。 第二数据处理装置至少具有输入接口，数据访问电路和解压缩器。 输入接口将比特流解压缩为第二输入多媒体数据。 数据访问电路将第二输入多媒体数据存储到多媒体缓冲器中，并从多媒体缓冲器读取缓冲的多媒体数据。 解压缩器解压缩缓冲多媒体数据。 或者，可以在耦合在第一数据处理装置和第二数据处理装置之间的第三数据处理装置中实现压缩器和解压缩器之一。