[Encode text into image gray level] Encoded in ASCII and mixed with gray level bits to hide the text string into the lowest bits of image pixels, making it inconspicuous Research (Matlab code implementation)

Welcome to this blog Advantages of bloggers:Blog content should be as thoughtful and logical as possible for the convenience of readers. Motto:He who travels a hundred miles is half as good as ninety. The directory of this article is as follows: Table of Contents 1 Overview 2 Operation results 3 References 4 Matlab code implementation […]

[Encode text into image gray level] Encoded in ASCII and mixed with gray level bits to hide the text string into the lowest bits of image pixels, making it inconspicuous Research (Matlab code implementation)

Welcome to this blog Advantages of bloggers:Blog content should be as thoughtful and logical as possible for the convenience of readers. Motto:He who travels a hundred miles is half as good as ninety. The directory of this article is as follows: Table of Contents 1 Overview 2 Operation results 3 References 4 Matlab code implementation […]

Linux ASCII code table query tools (59)

Introduction: CSDN blog expert, focusing on Android/Linux System, share multi-mic voice solutions, audio and video, codec and other technologies, and grow with everyone! Quality Column:Audio Engineer Advanced Series[Original information is being updated continuously… ] Life motto: There are never shortcuts in life, only actions It is the only cure for fear and laziness. For more […]

Key event processing in Java and VB: parsing KeyCode and KeyAscii; the relationship difference and application of KeyDown/KeyUp/KeyPress

Write the directory title here 1. Background 2. KeyCode and KeyAscii 2.1 KeyCode and KeyAscii in VB 2.2 KeyEvent.getKeyCode() in java 3. KeyDown, KeyUp and KeyPress 3.1 KeyDown, KeyUp and KeyPress in VB 3.2 Key event processing in Java 4. The difference between VB and java 4.1 Features in VB: 4.2 Features in Java: 4.3 […]

Tips for printing lowercase AscII table without newlines in Python

Introduction At first glance, it may seem trivial to print the full lowercase English alphabet sequentially without printing newlines or spaces. However, when it comes to optimizing this task in Python, it turns out that there are actually several interesting approaches, each with different trade-offs. In this article, we will delve into various techniques for […]

ASCII code-shellcode skills

There are already mature tools on the Internet, so let’s simply record how to use them. https://github.com/TaQini/alpha3 https://github.com/veritas501/ae64.git https://github.com/rcx/shellcode_encoder Let’s look at the questions. If NX protection is not turned on, 99% of questions of this type are shellcode questions. At the beginning of the program, we will be asked to enter data in the […]

python-The joy of pictures-ASCII text graphics

ASCII: a simple character encoding scheme pillow module: read images and access underlying data numpy module: calculate average import sys, random, argparse import numpy as np import math from PIL import Image Define grayscale and grid Define two grayscale levels as global values for converting brightness values to ASCII characters From darkest to lightest # […]

JAVA ASCII code table

1. Complete ASCII table ASCII value Control character ASCII value Control character ASCII value Control character ASCII value Control character 0 NUT 32< /strong> (space) 64 @ 96 , 1< /strong> SOH 33 ! 65 A 97 a 2 STX 34 “ 66 B 98 b 3 ETX 35 # 67 C 99 c 4 […]

A pot of coding knowledge (ASCII, ISO-8859-1 (Latin1), GB2312, GBK, GB18030, BIG5, UTF-8, UTF-16, UTF-32, Bom, garbled code)

Coding knowledge stewed in a pot Coding history Era Encoding Length Description Problem Machine Code Era 01 Binary 8bit Generally, 1 represents high level and 0 represents low level People cannot understand it The Age of Enlightenment ASCII Single Byte American Standard Information Interchange Code, the most common today A single-byte encoding system, the first […]