Using Python and Keras for principal component analysis, neural network construction and image reconstruction
the introduce
These days, there's a ton of data in just about every app we use—listening to music, browsing a friend's images, or watching a new trailer.
Recently we were asked by a client to write a research report on image reconstruction, including some graphical and statistical output.
Principal Component Analysis PCA Di ...
Posted by ranjita on Wed, 07 Dec 2022 01:48:04 +0300
Digital Image Processing--Image Filtering
Digital Image Processing – Image Filtering
1 main content
A. Select the experimental image for the experiment, complete image reading and display, and add noise to the image; B. Write the filter functions of three image filters; Among them, the general specific implementation steps of mean filtering are: 1. Select a (2n+l) x (2n+l) wind ...
Posted by jd57 on Tue, 29 Nov 2022 05:01:34 +0300
FastAPI from entry to actual combat - setting Cookie and Header parameters
The previous article recorded the content related to front-end authentication. This note mainly records the content related to the request header, including a request message analysis of http, fastapi setting cookie and parameters, fastapi setting request header parameters, etc.
HTTP Request
The HTTP request message is divided into three pa ...
Posted by jaymoore_299 on Tue, 29 Nov 2022 02:52:41 +0300
python data type conversion and operators
This section needs to know
Reserved Words and IdentifiersUnderstanding Data Types in Pythonbasic data typeConversion between data typeseval() functiondifferent base numbersoperatoroperator precedencesmall classroom tasks
1. Reserved words
true='real'
True='real'
File "<ipython-input-2-0244e2f5e602>", line 2
True='real'
^
...
Posted by wardo on Wed, 23 Nov 2022 03:48:14 +0300
Python obtains free proxy IP, but few can use it?
Hi everyone, hello! I am a little panda ❤
About why IP proxy is needed:
When collecting data, collecting data in batches, the request speed is too fast, The website may block your IP <Your network cannot access this site> The IP proxy changes to another IP, and then collects the request data
Source code and information click ...
Posted by cavolks on Fri, 18 Nov 2022 21:22:57 +0300
LeetCode 232 uses a stack to implement a queue, 225 uses a queue to implement a stack
232. Implement a queue with a stack
topic:
Please use only two stacks to implement a first-in-first-out queue. The queue should support all operations supported by general queues (push, pop, peek, empty):
Implement the MyQueue class:
void push(int x) pushes element x to the end of the queueint pop() removes and returns an element from t ...
Posted by planethax on Wed, 16 Nov 2022 02:28:04 +0300
python function 2_ variable scope, function parameters (positional parameters, keyword parameters, default parameters, variable length positional parameters, variable length keyword parameters), unpacking, reference
I wrote a function before, there should be a total of 3 articles about the function, and I will post it here when I write it
0. Content
variable scopeMulti-Function Program Execution Flowfunction return valuefunction parametersUnpack and swap the values of two variablesquotemutable and immutable types
1. Variable scope
The variable sc ...
Posted by m4x3vo on Mon, 14 Nov 2022 22:48:37 +0300
Python massive data generation and processing
Article directoryPython massive data generation and processingOverviewGenerate 100 million pieces of datadirect read testDownload DataView the occupied memory size:Determine the maximum number of repetitionsGenerate 1 billion pieces of datadirect read testDownload DataLoad data in chunksLoad statistics for each blockGet the value of the number ...
Posted by fleabay on Sat, 12 Nov 2022 14:57:48 +0300
Dictionary name [key name] = new value Modify the value of the dictionary
37. Dictionary name [key name] = new value Modify the value of the dictionary
1. Mutability of dictionaries
Strings and tuples are immutable data types.
Lists and dictionaries are mutable.
Variable means that it can be changed, that is, elements can be added to lists and dictionaries, and existing elements can be deleted and modified.
...
Posted by buzzby on Mon, 24 Oct 2022 07:07:08 +0300
[NovelAI] Deploying AI drawing robots in QQ groups
Table of contents
1. NovelAI
2. UIautomation and pywin32
3. Code
1. AI drawing related
2. QQ group news capture related
Fourth, the code effect
Five, afterword
1. NovelAI
NovelAI is an open source algorithm for drawing two-dimensional pictures. See the deployment method. b station link
2. UIautomation and pywin32
UIautomat ...
Posted by ksteuber on Fri, 14 Oct 2022 05:57:11 +0300