Tag:pixel

  • Implementation of extremely thin border (1px border)

    Time:2021-1-25

    Mobile terminalwebProblems encountered in development: the UI draft requires setting the border to1px, CSS settingsborder: 1px solid #eee;After that, the UI said the border was too thick. that is becausedevicePixelRatioThis is caused by the characteristics. CSS settings1pxyesCSS pixelAnd the UI draft refers toDevice pixelThere is a proportional relationship between them,devicePixelRatio. IPhonedevicePixelRatio == 2, andborder-width: 1pxIt […]

  • Convolutional neural network CNN learning 1

    Time:2021-1-23

    Convolutional neural network CNN learning 1   Ten years of sharpening a sword, the frost blade has never been tried.   Introduction:Convolutional neural network CNN learning. CNN Chinese video learning link:Convolutional neural network working principle Video – Chinese version CNN English learning link:Convolutional neural network working principle video 1、 Definition Convolutional neural networks is a […]

  • JavaScript combined with bootstrap imitating wechat background multi graphic interface management

    Time:2021-1-22

    This article mainly introduces JS combined with bootstrap imitation wechat background multi graphic interface management in detail, which has a certain reference value. Interested partners can refer to it JS imitates the multi graphic interface of wechat background management, integrates Ajax asynchronous upload file plug-in, for your reference, the specific content is as follows design […]

  • Gaode map API: Administrative Region + range + translation + latitude and longitude + mouse style

    Time:2021-1-16

    Get the administrative region getcity() of the current map map <span style=”background-color: #f5f5f5; color: #800000;”> *</span><span style=”background-color: #f5f5f5; color: #000000;”>{</span><span style=”background-color: #f5f5f5; color: #ff0000;”>margin</span><span style=”background-color: #f5f5f5; color: #000000;”>:</span><span style=”background-color: #f5f5f5; color: #0000ff;”>0</span><span style=”background-color: #f5f5f5; color: #000000;”>;</span><span style=”background-color: #f5f5f5; color: #ff0000;”>padding</span><span style=”background-color: #f5f5f5; color: #000000;”>:</span><span style=”background-color: #f5f5f5; color: #0000ff;”>0</span><span style=”background-color: #f5f5f5; color: #000000;”>;</span><span style=”background-color: #f5f5f5; color: […]

  • The difference between SP, DP and PX in layout file

    Time:2021-1-16

    preface: As we all know, there are many Android manufacturers, and Android phones and tablets of various sizes emerge in an endless stream. The fragmentation of Android ecological environment is becoming more and more serious. In order to solve the problem of excessive resolution, Google defines Px, DP and SP in the Android development document, […]

  • Self supervised tracking by video coloring

    Time:2021-1-14

    The implementation of the method can be found in the link https://github.com/hyperparam… Overview of target tracking In short, it can be understood as identifying a unique object in the whole video sequence. The object to be tracked is usually called target object. Tracking can be accomplished by bounding box or instance segmentation. There are two […]

  • Local resources detection, special effects detection in overdraw related issues

    Time:2021-1-2

    1) Local resources detection, special effects detection in overdraw related issues2) how to speed up the determination of whether the bundle file exists on Android3) Xlua pcall exception capture4) Mipmap and bandwidth5) When the timeline gets stuck seriously, the clip is completely skipped and is not executed This is the 230th push of UWA technology […]

  • Calling camera with jQuery webcam plugin

    Time:2020-12-28

    Welcome to personal website brief introduction The original project encountered a call to the camera function, PHP white encountered this situation immediately to the Internet search, the final usehttps://www.helloweba.com/vie…, too bad, the author did not say how to use, if you use the framework development is very troublesome Today, I found a more flexible plug-in […]

  • How to add an image after an object in a video

    Time:2020-12-28

    By prateek JoshiCompile VKSource: analytics vidhya summary Adding an image behind a moving object is a typical computer vision project Learn how to add a logo to a video using traditional computer vision technology introduce One of my colleagues challenged me to build a computer vision model that can insert any image into the video […]

  • Fuzzy processing of canvas drawing

    Time:2020-12-25

    scene When the mobile terminal draws the chart through the canvas tag of H5, the chart without any processing will look a little fuzzy compared with other elements. order Let’s first look at a group of circles under the high-resolution screen. The upper part is the circle “drawn” by ordinary div elements, and the lower […]

  • Ddbnet: new anchor free training method, edge granularity IOU calculation and more accurate positive and negative samples | ECCV 2020

    Time:2020-12-9

    Aiming at the problem of the current anchor free target detection algorithm, this paper proposes ddbnet, which evaluates the prediction frame more accurately, including the positive and negative samples and the judgment of IOU. The innovation of ddbnet mainly lies in the box decomposition and reorganization module (D & R) and semantic consistency module, which […]

  • Fuzzy problem of canvas display

    Time:2020-12-7

    Introduction In his recent work, he continued toThe width and height of canvasThe second problem I encountered later. Origin My GitHub Display blur problem When it is displayed on PC browser, no obvious blur is found, which is acceptable. But there’s a lot of blurring on the phone. This isExamplesScan the access QR code as […]