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javascript - I plan to write a C++ node image processing module. Is there any recommended C++ image processing library?

As the title says, I want to write a C++ node image processing module. The main function is Poisson fusion of images. The main technical points involved are: 1. Read image pixels (jpg, png, etc.) 2. Perform matrix operations on pixels 3. Convert For the pixel writing image matrix operation part, eig...

滿天的星座 2017-05-16 13:21:47 0  1  894

Image processing - C++ freeimage uses online examples to invert the image, and a very strange result appears.

I have recently been using the C++ image processing library freeimage. I encountered a problem here. The cause of that problem should be what I asked in this question, but I have not found the answer to this question. Problem description: I found an example here, so I used it, and some pictures work...

給我你的懷抱 2017-05-16 13:21:19 0  1  1036

Learning materials - Java digital image processing teaching where can I find it?

Do you have any image processing learning materials like http://blog.csdn.net/jia20003... It's better than this one which is more basic. To be honest, I don't even know what rgb is in an image. Thank you. Everyone

PHPz 2017-05-27 17:40:21 0  1  907

vue.js - vue rich text editor recommendation and php processing base64

vue2 rich text editor recommendation and php processing base64. Now I want to use vue2 to make a PC-side article publishing page. I need to use the rich text editor front-end image to display through base64 and then save it to the server after the user actually submits it. Now I want to ask for advi...

曾經(jīng)蠟筆沒有小新 2017-05-27 17:42:33 0  2  1129

PHP image processing uses image processing functions to draw a picture

$red = imagecolorallocate($img, 255, 0, 0);$green = imagecolorallocate($img, 0, 255, 0);$blue = imagecolorallocate($img, 0, 0, 255);Why are there only three assigned colors? coordinate values

王功文 2019-02-27 16:11:10 0  0  1148

Fix PHP image upload issue: replace previous image to upload new image in multiple posts

I'm running into an issue with the image upload functionality of my PHP application. Here's the situation: I have a form where the user can create a post and upload an image related to the post. When I upload my first post with an image attached, everything works fine and the image is saved correctl...

P粉788765679 2023-09-14 11:27:48 0  1  580

How to get the last offset in a topic from Kafka using php library?

I'm writing a Kafka consumer for an API project using the php-rdkafka library. I need to find the last offset in the topic and get the value from it for further processing. For example, last offset in topic = 5, then I need to get offset 5 and send it through API until new offset is added. What I'm ...

P粉763662390 2023-09-10 11:00:45 0  1  785

php - How to delete the temporary image left after the docker image is successfully built? Please give me some advice

php - How to delete the temporary image left after the docker image is successfully built? Please give me some advice

黃- 2020-03-28 21:39:48 0  0  899

Add multiple watermarks to an image in php

The PHP GD library can add multiple watermarks to a picture. Is there a plug-in that can catch it?

僅有的幸福 2017-06-23 09:12:08 0  2  1219

In PHP, how to encode the generated verification code image into base64?

PHP server Android client I need to encode the verification code image generated by the server into base64. Note: Instead of generating a display image, the generated image resource is directly encoded into base64 so how to do? ? ? ? ? ? ?

阿神 2017-05-27 17:42:38 0  2  1760

PHP adjusts the web service interface developed by Java and prompts Fault occurred while processing

PHP calls the webservice interface developed by java to report soap: Server: Fault occurred while processing requested data Array ( [sTicket] => {"username":"3ab6e844ca851bf318294a4f30f4a03e","password":"44

伊謝爾倫 2017-05-16 13:06:32 0  1  1000

php - When compiling and installing the lnmp environment in Linux, does the GD library need to be downloaded and installed separately?

PHP has its own gd library, but during compilation and installation, do you need to download and install the gd library separately? Or can you just use the one that comes with PHP? However, many people on the Internet do not directly use PHP's GD library, but download GD separately. Install.

大家講道理 2017-05-16 12:57:59 0  6  690

An Nginx+PHP request processing problem is extremely slow, please help!

Now there is a php page, which uses http requests to request some data from itself during data processing. In this case, nginx execution is extremely slow (it has not been encountered in the apache+php environment). This is why ? How to solve it? The environment is: Nginx + php + redis + mysql. The ...

孫藝飛 2019-04-19 14:32:18 0  1  1400

javascript - php downloads the image header, android browser downloads normally, apple only displays the image and cannot download it, please give me some guidance

PHP downloads images, using header. All Android browsers work fine. When Apple Safari clicks on the image, it will jump to the larger image. But there is no download part, and there is no image gallery. Please give me some advice.

過去多啦不再A夢(mèng) 2017-05-16 12:58:24 0  2  601

php - How to output image in base64

It's like this. Today I wrote a template for PHP to generate verification codes based on the information on the Internet: {code...} But I don't want him to output the image directly, but output the image in base64. How should I do it? I have tried many methods without success, unless it is necessary...

伊謝爾倫 2017-05-24 11:32:19 0  1  997

Image processing - Apache image not displaying problem

The server software is apache2.4, php7. The result picture shows garbled characters, which is the same as opening it with txt. It is probably a configuration problem, but I don’t know where the specific problem is. I hope you can give me some advice. The picture shows the test connection: http://sho...

迷茫 2017-05-16 17:00:53 0  1  754

How to read word files and convert them into html code with PHP?

Just like the title! It is best to support image processing in word. Is there any related class library? Supplementary content: Does phpword have any use cases like the title? Thank you!

漂亮男人 2017-06-29 10:08:17 0  3  1843

Docker Image: Integration of PHP 8.0, Apache and phpMyAdmin

I'm creating an image for a php8 project running on apache and using phpMyAdmin, my Dockerfile is as follows: FROMphp:8.0-apacheRUNapt-getupdate-y&&apt-getinstall-ylibmariadb-dev&&docker-php-ext-installmysqli&&docker-php-ext-inst

P粉186017651 2024-03-31 18:19:17 0  1  738

There is a problem with the final call of php to implement image verification code?

According to php how to implement image verification code content guide encapsulation verification code class

羅梅光 2022-05-05 01:22:00 0  8  1257

objective-c - About image processing

I took a picture out of the photo album. How can I give him a suitable frame so that the display is not blurry?

伊謝爾倫 2017-05-02 09:36:29 0  1  630