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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

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

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

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

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 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

PHP remove orientation exif from image only (without using imagick)

I wrote a script that batch resizes uploaded images locally and creates thumbnails. The problem is if some images are oriented vertically but after resizing they rotate horizontally. This is due to the exif orientation of the image. Is there an easy way to remove orientation exif from an image via P...

P粉141925181 2024-03-27 09:27:01 0  1  613

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

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

laravel-pdf upload-pdf to image - php Can laravel upload pdf files and convert them into images?

The server framework uses PHP laravel5.1. The front-end needs to support uploading pdf or image files. If it is a pdf file, it will be converted into an image file. Can this be achieved?

為情所困 2017-05-16 16:54:50 0  1  1152

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

PHP implements links and background image settings between pages

I need help linking two web pages together in php, I want my users to click a button and jump to the next page? Is there any relevant code that can achieve this function? Also, how can I add a background image to my entire php website?

P粉009828788 2023-09-14 22:34:32 0  1  677

How does PHP determine the user's access method, whether it is accessed by the src of the image?

How does the PHP language determine the user's access method? The scenario is as follows: I want to display different content by determining how the user accesses this address. If accessed through image src, the image will be displayed. If accessed directly through the browser, web page information ...

巴扎黑 2017-06-05 11:08:06 0  3  773

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

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

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

Using tp3.2.3 to upload image files shows non-existent image files

:(Non-existent image file error location FILE: D:\wamp64\www\c2\ThinkPHP\Library\Think\Image\Driver\Gd.class.php LINE: 42TRACE#0 D:\wamp64\www\c2\ThinkPHP \Library\Think\Image\Driver\Gd.class.php(42): E('\xE4\xB8\x8D\xE5\xA

Jenkin 2020-08-15 18:00:22 0  0  1263

Python sets a value change statement, why doesn't it work?

I want to set some data in the file to the original value, and set the missing value to 0, but the final result is all 0. What is wrong with the code? Original data image description processing result Image description {code...}

淡淡煙草味 2017-06-28 09:25:55 0  1  912