Tag：Original picture
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Time：2021-4-12
Network security means that the hardware, software and data in the network system are protected from damage, change and leakage due to accidental or malicious reasons. The system runs continuously and reliably without interruption of network service. It has the characteristics of confidentiality, integrity, availability, controllability and auditability. This paper sorts out the mind map […]
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Time：2021-3-30
Link to the original text:Spark 1. Introduction to spark Write on the front This series is a combination of my understanding records in the process of learning spark + some understanding of reference articles + some personal experience in the process of practicing spark. The purpose of writing such a series is only to sort […]
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Time：2021-3-6
We have got the data that need to compress RGB from BMP. We need to transform the original data from RGB domain to YCbCr domain, and then down sample the YCbCr data. For students who don’t need to read the article, the source code is given here directly.https://github.com/Cheemion/JPEG_COMPRESS Image reference “compressed image file formats, JPEG, […]
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Time：2021-3-4
Because I can’t remember the shortcut keys of vscode, it’s not convenient to search every time. So I made a summary of the shortcut keys of vscode, which has been sorted into a piece of A4 paper, which is convenient for printing, so the search is more intuitive~ Be sure to click on the picture, […]
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Time：2021-2-11
In Figure 2, the left image is the original image, and the middle image is gamma = 1 / 2.2. In the correction result, the gray value of the left half of the original image is higher, and the gray value of the right half is lower. After gamma = 1 / 2.2 correction (middle […]
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Time：2021-2-2
The text and pictures of this article are from the Internet, only for learning and communication, and do not have any commercial use. The copyright belongs to the original author. If you have any questions, please contact us in time This article comes from Tencent cloud Author: Python learning tutorial Note: a website from a […]
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Time：2021-1-17
Introduction:AI technology has reached such a high level: de coding, coloring 6 to flying up. In the field of image processing, AI brushes have more and more sense of existence. Earlier, the author introduced the AI lossless magnifying pictures, AI removing mosaics, AI automatically coloring the line draft and so on. Now, someone has recommended […]
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Time：2020-11-23
Learn the basics of JavaScript through mind mapping. Mind map includes the knowledge of variables, arrays, operators, function basis, string function, basic DOM operation, process statement and regular expression. For the original picture, click hereOriginal mind map variable array operator Function basis String function Basic DOM operations Flow statement regular expression
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Time：2020-11-19
In early February of this year, I happened to see a tweet: The author of fluent Python has an exciting message: he’s writing the second edition! If you want to vote for the best Python advanced bibliography, this book will definitely be one of the most popular books. When I first wrote the “Python cat […]
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Time：2020-11-9
1、 Introduction In the field of image semantic segmentation, a problem that has puzzled computer scientists for many years is how can we separate the objects we are interested in and the objects we are not interested in? For example, we have a picture of a kitten. How can we recognize the image by computer […]
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Time：2020-11-8
133. Clone map Source: leetcodehttps://leetcode-cn.com/problems/clone-graph subject Give you no directionconnectedFor a reference to a node in the graph, please return theDeep copy(clone). Each node in the graph contains its valueval（int）And its neighbors（list[Node]）。 class Node { public int val; public List<Node> neighbo rs; } Test case format: For simplicity, each node has the same value as […]
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Time：2020-10-23
introduction Icnet is a model focusing on real-time semantic segmentation, which means it runs faster, has smaller model and less parameters. However, the improvement of these indicators will inevitably lead to the decline of performance accuracy, so the author proposes a cascaded network architecture to help restore image edge and other details. The author of […]
