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"H.264/AVC Video Codec technology detailed" 13, Entropy coding Algorithm (3): CAVLC principle

is far more than the fixed variable length encoding UVLC algorithm.The CAVLC is mainly used to predict the coding of residual error in the H. In the second post of this series, we give the coded flow graph of H. I, which shows that the input of entropy code is the coefficient matrix after the transformation-quantization of the prediction residuals between frames/frames. In the case of a 4×4-sized coefficie

"H.264/AVC Video codec technology specific explanation" 13, Entropy coding Algorithm (3): CAVLC principle

, so the compression ratio is far more than the fixed variable length encoding UVLC algorithm.The CAVLC is mainly used for pre-tested residual coding in the H.In the second post of this series, we give the coded flow graph of H. I, in which we know that the input of entropy code is the coefficient matrix after the transformation-quantization of the pre-measured residuals between frames/frames.In the case of

Matrix theory basics 2.1 Basic concepts of a Matrix

When finding linear equations, the coefficients and their respective locations are very important. When changing, the order of the equations must be maintained, therefore, we often arrange the coefficients of the unknown in a number table of a rectangle. For example, Linear Equations The coefficients are arranged in a rectangle number table according to the original positions of the equations: , We call this rectangle number table as a matrix. Defini

Offoffer: clockwise print matrix, and offoffer Matrix

Offoffer: clockwise print matrix, and offoffer Matrix [Disclaimer: All Rights Reserved. indicate the source for reprinting. Do not use it for commercial purposes. Contact mailbox: libin493073668@sina.com] Question link: http://www.nowcoder.com/practice/9b4c81a02cd34f76be2659fa0d54342a? Rp = 1 ru =/ta/coding-interviews qru =/ta/

Coding Beginner's Tutorial (i)--manage Coding projects with GitHub GUI client

I. Overview Second, the basic concept of Git 1. Four Concepts about storage 2. Branch (branch) Third, the project management practical operation 1. Install GHFW (GitHub for Windows) 2. Create a new project on coding (new remote warehouse) 3. Create a local warehouse 4, the basic use of GHFW configuration: Win7 + GitHub for Windowstarget Audience: n

Learn about Coding-iOS open source project log (4) and coding-ios open source project log (4)

Learn about Coding-iOS open source project log (4) and coding-ios open source project log (4) Hello, everyone. I haven't written a blog for a long time. Today I will study the Coding source code again. Earlier: as a beginner programmer, an effective learning method is to learn good projects from others. At the beginning of this article, I will gradually updat

IOS client Coding project record navigation, ios client coding project

IOS client Coding project record navigation, ios client coding project IOS client Coding project record (1) A: The Clear button appears in UITextField settings. B: Some settings for drawing an underline table C: You can define the header and bottom view (connecting the Code) D: Hide the navigation bar on this page. E: UIEdgeInsets F: activity indicator UIActivity

Matrix Theory 11 matrix QR decomposition

11Matrix QR decomposition 1. Givens matrix and Givens transformation Definition: Set the real number c and s to meet the requirements () It is also recorded as a Givens matrix (elementary rotation matrix. The linear transformation determined by the Givens matrix is called the Givens transformation (elementary Rota

Coding pain (up) the ins and outs of coding

Code originThe growth of the coding witnessed the computer by the individual to the collective by the State to the worldFirst, the initial codeThe computer originally coded the concept of the first computer everyone held 0101Second, the following is the origin of the byte"The so-called byte, the original meaning is used to denote a complete character." The initial computer performance and storage capacity are poor, so the general use of 4-bit BCD code

Matrix theory basics 2.2 matrix operations

I. Addition of Matrices Set A and B to m rows, and the same type matrix of n columns , The matrix obtained by adding the elements at their corresponding locations, called the sum of A and B, is recorded as A + B. For example 1, if the matrix is known, evaluate A + B. Solution: A + B = + = Note: Only the same type matrix

Transpose of a matrix and inverse of a Matrix

Transpose a Matrix Set A=(a_{ij})-->Is m/times n-->Matrix, Set A-->In the left-side navigation pane. n/times m-->Matrix A^{/prime }=/left(/begin{array}{cccc}a_{11} &a_{21} &/cdots &a_{m1} //a_{12} &a_{22} &/cdots &a_{m2} ///vdots &/vdots & &/vdots //a_{1n} &a_{2n} &/cdots &a_{mn}/end{array

Stanford UFLDL Tutorial Sparse coded self-coding expression

dominated by ε and its square root is approximate to ε). "Smoothing" comes in handy when you refer to topological sparse coding below. Therefore, the final objective function is: (yes Shorthand) The objective function can be iteratively optimized by the following procedure: Random initialization A repeats the following steps until convergence: according to a given in the previous step, the solution can minimize J (a,s) s based on the previous step, a

Coding (Code city) basic configuration tutorial, coding tutorial

Coding (Code city) basic configuration tutorial, coding tutorial Coding was first recognized as a new company. The predecessors said that we use coding. As a git configuration, we should refer to the tutorial. For example, configuring coding is definitely a tough task, howe

Matrix topic, Matrix Multiplication

Matrix topic, Matrix MultiplicationMatrix In mathematics, Matrix refers to a two-dimensional data table in a vertical and horizontal arrangement. It is first derived from the square Matrix composed of the coefficients and constants of the equations. A graph can be represented by a

Data Structure-sparse matrix, data structure matrix

Data Structure-sparse matrix, data structure matrix In general, the matrix is surrounded by square brackets, and the numbers of each coordinate are neatly arranged. As shown in: After seeing the figure, the first response is of course represented by a two-dimensional array, which is simple and easy to understand. However, we will encounter the following

OBJECTIVE-C Development--geo-coding and geo-coding of map positioning

We usually do map positioning, mainly by latitude and longitude to accurately locate a location.But, we are human ah, we are not satellites AH.The user on the map to find a place, we can not tell him, this place is longitude how many degrees, latitude how many degrees.We're going to have to tell somebody a place name, right?That's what we're talking about today in geocoding and geo-coding.Geocoding: You say a place name, such as "West Lake", we give you to return its latitude and longitude, and

The principle of coding--BASE64 coding

BASE64 is a coding method that is typically used to encode binary data as a writable character form of data. This is a reversible encoding method. The encoded data is a string that contains characters such as A-Z, A-Z, 0-9, +,/a total of 64 characters: 26 + 26 + 10 + 1 + 1 = 64."Note: It is actually 65 characters," = "is the fill character".developers are sure to be familiar with Base64 coding, and whether

Python coding (14) and python Coding

Python coding (14) and python CodingI. Knowledge of character encoding 1. How the text editor accesses files (nodepad ++, pycharm, word) Open the editor and start a process, which is in the memory. Therefore, the content written in the editor is also stored in the memory. After power failure, data is lost and therefore needs to be saved to the hard disk, click the Save button to fl data from the memory to the hard disk. At this point, we compile a py

Conversion matrix used in front-end development of CSS3, css3 Matrix

Conversion matrix used in front-end development of CSS3, css3 Matrix I have been thinking about the blog about matrix transformation for a long time. Today I saw a blog written by winter, CSS3: mathematical principles behind transform and transition. Note: The following Demonstration content must be supported by modern browsers. For example, Chrome/Firefox/Opera.

[C + +] leetcode:110 Spiral Matrix II (Spiral write matrix)

Topic:Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order.For example,Given N = 3 ,You should return the following matrix:[[1, 2, 3], [8, 9, 4], [7, 6, 5]]idea: The problem is the same as the spiral matrix model and solution. We are asked to write the 1~n^2 number into the matrix

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