TH139521A - Video coding using adaptive motion vector classification power - Google Patents

Abstract

DC60 (13/06/59) in one example. Video coding equipment will include Configured video codec To code the information that represents the absolute value of the x-component of the motion vector difference As for the current blog of video data greater than zero? Enter the code information that represents the absolute value Of y component of the difference of the motion vector is greater than zero? When the absolute value of the component x is greater than zero, it encodes the information that represents the absolute value of the x-component.When the absolute value of the y-component is greater than zero, it encodes the information that bears the absolute value of the y-component.When the absolute value of the component x is greater than zero, the sign of the x-component is. And when the absolute value of y's component is greater than zero, the y-component sign is coded. The video coding equipment includes: Video codec for layout To enter the code of information which I believe Absolute value of x's component of the difference of the motion vector. For the current blog, is the video data greater than zero? Enter the code of information which is the absolute value Of y component of the difference of the motion vector is greater than zero? When the absolute value of the component x is greater than zero, it encodes the information that stands for the absolute value of the x-component.When the absolute value of the y-component is greater than zero, it encodes the information that tolerates the absolute value of the y-component.When the absolute value of the component x is greater than zero, it encodes the sign of the component. And when the absolute value of the component y is greater than zero, it will code the sign of the component y --------------------------------- -------------------------------------------------- ------------------------------------ In one example. Video coding devices include The structured video codec Ee to enter the code of information, which I believe The absolute value of x's complement of the difference of the vector. Moving for the current block, signal data is greater than zero? Coding information Whether the absolute value of y-component of the motion vector difference is greater than zero, when the absolute value of the component x is greater than zero, it encodes the information, which is valid at the absolute value of the x-component. Withstand the absolute value of the y-component, when the absolute value of the component x is greater than zero, it encodes the sign of the y-component, and when the absolute value of the y-component is greater than zero, the y-component's sign is greater.

Claims (5)

Disclaimer (all) which will not appear on the advertisement page. : ------ 17/08/2018 ------ (OCR) Page 5 of the amount 5 Page 1 4. Tool of the Clause 8, where the path to code the information representing the absolute value of the X component of the motion vector difference is combined with the path to code the absolute value of the X component of the motion vector difference value in mvd x. / 2-l, where mvd x is comprised of X component of the displacement difference value, and where the path to code the information represents the absolute value of the y component of the time difference value. The motion is combined with a method to code the absolute value of the y component of the motion velocity difference value is mvdjy / 2-l, where mvd_y is the y component of the time difference. At the end of the movement ------------ EDIT 13/06/2016 1. Method (220; 320) of entropy coding video information, where the assembly method Including: Information entropy coding which represents the difference of the motion vector, when the absolute value of the x component of the motion vector difference for the current block is greater than zero (226,326), and when the absolute value of the y component of the result. Different motion vector for the current block is greater than zero (228,328), where Enter the information entropy, which represents the difference in the motion vector. It consists of: interpolation, which represents the absolute value of the x-component of the motion vector difference for the current block of video data greater than zero, and the information which represents the absolute value of the y-component of the difference-vector value. Moving more than zero or not; And the sign of the x-component of the motion vector difference value (230; 330) and the sign of the y-component of the motion vector difference (232; 332) 2. Method of claim 1, where the Enter the code, entropy is included with the encryption. Context adaptive binary arithmetic, CABAC, where the method is also included: calculation of motion vectors for the current block of video data; And calculations (156). The difference of the motion vector is the difference between the motion vector vectors. Mobile for the current block of video information. And the motion vector predictor given for The current block of the video information 3. Method of Clause 1, where entropy encoding is combined with decoding. Context adaptive binary arithmetic coding, CABAC, wherein the method is also included: Defining (286) Motion vector predictor for the current block of data. Videos; and calculations (288) the motion vector for the current block of videotape data as Sum of the difference of the motion vector And motion vector predictor 4. Method of claim No. 1, which also includes: coding values which represent the motion vector of the current block of video data. There is precision at the first subsection. Or second pixel precision, where second pixel precision Is greater than the first subsection precision; And when the motion vector is precision the second subsection, when the x component of the motion vector difference is not equal to zero. And when the y component of the difference, the The motion is not equal to zero, where the coding information represents the absolute value of the x-component of the motion vector difference. And the coding information, which represents the absolute value of the y component of the motion vector difference, is combined by coding together coded values representing both x component of the motion vector difference. And the y component of the difference vector. Movement 5. Method of claim 4, which is also included in determining whether the motion vector There is a first subsection precision or a second subsection precision, which includes: setting threshold values relative to the motion vector; And determining that the motion vector is precision the first subsection when both X components of the motion vector difference And the y component of the difference of the motion vector is greater. Threshold 6. Method of claim 5, where the origin of motion vector is precision, the first subsection or the second subsection precision is included, determining whether the motion vector is stable. Mobile have First subsection precision Or the second subsection precision based on the value of the power indicator. Determine the motion vector, when at least one component of the x-component of the motion vector difference. And component y of the motion vector difference is less than or equal to the threshold 7. Method of Clause 1, where the coding of information representing the absolute value of the x-component of the vector difference The motion is combined by encoding the absolute value of the x-component of the difference-vector value. The motion is mvd_x / 2-1, where mvd_x is the x component of the difference vector. Mobility; And where the coding of information representing the absolute value of the y component of the vector difference The motion is summed up by encoding the absolute value of the y component of the difference vector. The mvd_y / 2-1 movement, where mvd_y is the y component of the vector difference. Mobility 8. Tools (56; 70) for encoding entropy. Where the tools include: a method for encoding the information entropy, representing the difference in the motion vector when the values Absolute of x's complement of the difference of the motion vector is greater than zero. And when the absolute value of y's component of the motion vector difference is greater than zero, where the path to code The information entropy, which represents the motion vector difference, includes: a path to interpolate the information, which represents the absolute value of the x component of the motion vector difference for the current block of video data is greater than zero. Or not, and information representing whether the absolute value of the y component of the motion vector difference is greater than zero; A method for interpolation of information representing the absolute value of the x-component of the motion vector difference, the information representing the absolute value of the y-component of the motion vector difference, the sign of the x-component of the difference-vector value. Mobile And the sign of the y-component of the motion vector difference. 9. Instrument of Rights Clause 8, where the route to enter entropy is included. Coding pathways for context adaptive binary arithmetic, CABAC, where tools It also includes: a path to calculate the motion vector for the current block of video data; And the way to calculate the difference of the motion vectors is the difference between the vectors. Movement for the current block of video information. And a given motion vector predictor For the current block of video information 1 0. Clause 8, where the entropy method is included. A way to decode the context adaptive binary arithmetic code, CABAC, where the tool Also includes: A path to define a motion vector predictor for the block for the current block of Video information; And a way to compute the motion vector for the current block of video data. Is the sum of the difference of the motion vector. And motion vector predictor 1 1. The tool of claim 8, which also includes: the way to code the value which represents the motion vector of the current block of The video data is accurate, the first subsection; And a way to code the common coded values that represent both the x-component of the motion vector difference. And component y of the difference of the motion vector when the The motion is stable second, when the x component of the motion vector difference is not equal to zero and when the y component of the motion vector difference is not equal to zero. 2. The tool of claim 11, which also includes a means to determine whether The motion vector has precision, the first subsection. Or second subsection precision, which includes: a path to determine the threshold value relative to the motion vector; And the path to determine that the motion vector is stable, the first subsection When both x components of the difference of the motion vector And the y component of the difference vector. The movement is greater than the threshold change 1 3. Instrument of claim Article 12, where the pathway for determining whether the motion vector has First subsection precision Or the first sub-image point precision Or the second image point precision on The basis of the value of the indicator powers classify the motion vector when at least one component. Of the x's component of the difference of the motion vector. And the y component of the difference vector. Less displacement Or equal to the start tick change 1 4. The tool of claim 8, where the method for coding information that represents the absolute value of the x-component of the motion vector difference is combined with the method to code the absolute value of the x-component of the resulting value. The different motion vector is mvd_x / 2-1, where mvd_x is made up of x component of the motion vector difference, and where the path to code the information representing the absolute value of the y component of the difference. The motion vector is combined with a method to code the absolute value of the y component of the difference. The motion vector is mvd_y / 2-1, where mvd_y is included with the y component of the difference vector. Mobile 1 5. Computer program products which include readable storage media. A computer that has stored instructions on it that, when doing an action, causes one or more processors. Of device for video coding, proceed in accordance with one of the methods of Clause 1 to Clause 7 --------------------- ------ 1. Method of encoding entropy of video signal information Methods which include When the absolute value of one of the components x of the difference, the motion vector for the block. Current greater than zero And when the absolute value of one component y of the difference vector Mobile for the current block is greater than zero. Enter the information entropy, which can bear the difference. Motion vector Where the information entropy, which accepts the difference, the motion vector is Included An alternating information, which means that the absolute value of the component x of the vector difference. Is the motion for the current block of image data greater than zero? And information which Consider whether the absolute value of y component of the motion vector difference is greater than zero, and interpolation of information, which tolerates the absolute value of the x component of the information motion vector difference, which stands for the absolute value of the y component. Of the difference of the motion vector Sign of the x's component of the difference, the movement vector. And sign of y-component of the motion vector difference.