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Matlab image Processing _ Image white balance algorithm (grey World method)

White balance, that is the so-called white balance.White balance algorithm has many, here is recorded is the simplest practical white balance algorithm, that is the grey World law!Gray World algorithm is based on the gray world hypothesis, which assumes that for an image with a large number of color changes, the average value of R, G, and B three components tends to be the same gray K.The following is the specific algorithm code:Rgb=imread (' test.jpg

How to extract a JPEG image from a PDF document using the PDF Image Extraction Wizard

How do I extract jpeg and BMP pictures in a PDF in a separate batch? Many of the pictures in the PDF resources are useful and can be used as a source of other material. Little knitting teaches you to use PDF Image Extraction Wizard to extract JPEG images from PDF documents ~ 工欲善其事 its prerequisite, PDF Image Extraction Wizard Download Because it is the green version of the software, so no installation can

Ueditor Baidu Editor, multi-image upload, the image of the order of the processing method of chaos

After uploading, the picture order and the expected inconsistency, need to modify the source code of Ueditor.First, locate the Editor/dialogs/attachment/attachment.js file1, _this.filelist.push (JSON), modified to _this.filelist[$file. Index ()] = JSON;2, consider the situation of upload failure, plus a judgment, to avoid the upload failure, the array appears in the undefined entrySecond, find Editor/dialogs/image/image.js file1, _this.imagelist.push

Java-bufferedimage Image Verification code for removing interference lines (for OCR tesseract Image Smart character recognition)

Recently the work needs to do a picture verification code automatic recognition function. But the internet for the original image processing methods have to noise, gray, and so on, but difficult to find the way to remove the interference line. So according to the code found on the Internet, I tried to write a paragraph, the pro-test effective, can be more clean to remove interference lines, improve the accuracy of OCR recognition. The following code i

OpenCV region coding and threshold coding to achieve image compression (8*8DCT transform, retain 50% coefficient) _ Image processing

"Digital Image Processing" of an experimental operation is required as follows: I found on the Internet on the topic of the MATLAB version of the code, links are as follows: Http://wenku.baidu.com/link?url=6WlcVIE8sAg2Lnj6R7PQlv7tL7sNvBb7uhN3YZ37hj7xb855G_ Ea7yu0ek34yl7uvknrrltuubaooneos5sb-wcmywsfggaozhk-ilau6rk I refer to the above link, mainly made the following two aspects of the changes: (1) The reference code with OPENCV again (the main diffic

An image that can be turned on remotely based on an Ubuntu image

Tags: docker ssh connection1. Preparatory workFirst use the ubuntu:14.04 image to create a container# $docker Run-it Ubuntu:14.04/bin/bashUpdate the APT cache and install Openssh-server#[email protected]:/# apt-get Update2. Installing and configuring the SSH serviceChange root password#[email protected]:/# passwd RootWriting a startup SSH script [emailprotected]:/# cat /run_ssh.sh [emailprotected]:/# /usr/sbin/shhd -D Modify the SSH configuratio

Android4.4 ContentResolver does not update the ContentResolver after the image is invalid and the image is added to the image library is deleted.

Problem Background: The reference link allows you to browse images, scan gallery photos with ContentResolver, and display the photos in the listview in strict chronological order. As shown in: The problem is that 4.2 of mobile phones can be normally displayed, but with the addition of photos, this scan remains unchanged. It's really annoying. Another serious problem is that one image cannot run on 4.4 of mobile phones. Grandpa, it's really a pitfall.

Upyun Image Upload-upyun PHP Image Upload cannot control Image Quality

$ Optsarray (UpYun: X_GMKERL_QUALITY amp; gt; 10 image quality); image quality has not changed after the api of youpai cloud is called $ opts = array ( UpYun: X_GMKERL_QUALITY => 10 // Image Quality ); The image quality has not changed after the api of youpai cloud is called. Reply content: $ Opts = array (UpYu

Python Image Processing (16): Image pyramid, python Image Processing

Python Image Processing (16): Image pyramid, python Image Processing Happy shrimp Http://blog.csdn.net/lights_joy/ Reprinted, but keep the author information The image pyramid is a type of multi-scale expression in the image. It was originally used for machine vision and

Photoshop Pull out portrait image image of HDR effect

Whether it is looking at magazines, or browsing posters, we can always see some of the perfect model like carved: their face smooth water run, their figure is abrupt and angular, perfect to you think they are plastic people, even if the flaws are also given to rough uninhibited of the alternative beauty. In these big light, if you still in this envy and chagrin, then you have to complete the following article--photographer Pan Xiaochun Stevepan will take you to witness the miracle of PS, teach y

ASP. NET upload image file automatically modify image size code

#region Picture Scaling//  ASP. NET upload image file automatically modify image size code

Mac sudo pip install scikit-image error with sudo pip install scikit-image--user-u

Exception:Traceback (most recent):File "/library/python/2.7/site-packages/pip/basecommand.py", line 215, in mainStatus = Self.run (options, args)File "/library/python/2.7/site-packages/pip/commands/install.py", line 342, in runPrefix=options.prefix_path,File "/library/python/2.7/site-packages/pip/req/req_set.py", line 778, in installRequirement.uninstall (Auto_confirm=true)File "/library/python/2.7/site-packages/pip/req/req_install.py", line 754, in UninstallPaths_to_remove.remove (auto_confirm)

One JavaScript instance per day-click on the image to display a larger image

One JavaScript instance per day-click on the image to display a larger image

HTML uses the map and area properties to create image links and create clickable image hot areas __html

You can position a few points on a picture and then create a clickable hot spot to form a clickable area, which is often used on some shopping sites, very simple and very useful: First, you will want to display the picture, using HTML tags to display it in the page, the code is simple, do not explain too much. But here's a key, less commonly used attribute, which is usemap, which specifies the map you want to select, and which map to use to show the links. The sample code is as follows:

PHP turns Dataurl into image image method to summarize _php skills

PHP turns Dataurl into image Image method Using canvas generated pictures, is using Dataurl, PHP can not directly save the File_put_contents method to the local computer, need to do a bit of transcoding. Picture Dataurl as follows $imgstr = ' data:image/png;base64,ivborw0kggoaaaansuheugaaaauaaaafcayaaacnbyblaaaaheleqvqi12p4//8/ w38giaxdibke0dhxgljnbaao9txl0y4ohwaaaabjru5erkjggg== '; Method One: By just

Realization of large image _jquery by clicking Small image based on jquery plugin

This article for you to share the implementation of a small click based on jquery display large image results for your reference, the specific contents are as follows Displays the following effects : Clicking on any picture will show a larger image : 1. Front interface 2, background code Using System; Using System.Collections.Generic; Using System.Linq; Using System.Web; Using Sys

PHP generated thumbnail image-large image generated small picture

/*Functions: Generating thumbnailsMakebuild ("Images/a.jpg", "news/b.jpg", "100");Parameters:Echo $BuildFile; Original artwork with pathEcho $newFile; Generated thumbnail band pathecho $File _width; Thumbnail width valueecho $File _height; Thumbnail height value (the default is the proportional value of the width)Echo $rate; thumbnail image quality;*/function Makebuild ($BuildFile, $newFile, $File _width, $File _height=0, $rate =1000) {if (!is_file ($

Official JavaScript Image browser from Imagesee [Original]_ image effect

Usage: Visit "imagesee.htm url +?pic= picture url page= The URL of the relevant page of the picture", where the page parameter can be ignored. About Imagesee: Imagesee is an open source Web page image browser, written by JavaScript, and is a completely static web page. Also support IE Firefox Opera browser. Through the Imagesee, you can conveniently on the network of High-definition pictures (large picture) to browse, with the general picture browsin

CSS Image Adaptive Size _ image effects

Copy Code code as follows: function Reimgsize () { for (j=0;j{ Document.images[j].width= (document.images[j].width>420)? " 420 ":d ocument.images[j].width; } } Then add onload= "reimgsize ()" to the body area. Tested and passed on Mozilla and ie. Here to add about the image of the adaptive, this point Mozilla do better than IE, because you can use CSS to control the adaptive image. W

"Image Processing" VTK two-dimensional image labeling bug fix

In games or CAD software, we often display a two-dimensional image that is always user oriented next to the target to represent certain identities. VTK uses Vtkfollower to implement this feature, however, VTK7.1 and the following version of the bug, showing the use of vtkfollower, two-dimensional images can not render, only display a pure white rectangular box.The solution must be to use Bing or valley Harmony brother to search, the original post site

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