Image displayed using Flask is wrong or corrupt

I'm setting up a web application where I need to display some images. The image I receive from the API converts the matplotlib figure to png and then sends it to the main web application using the io library. Because of this, the images I display on the page almost always appear incorrect or wrong. ...

P粉299174094 2023-09-12 00:21:51 0  1  705

New Title: Display Image from Firebase Cloud Storage Blob Using Vue

I'm building a product lookup repository where the user will scan a product barcode which will then return data about the product along with a picture of the product to display. Now for testing purposes I have set up a Firebase bucket and uploaded an image. I have successfully retrieved the image by...

P粉362071992 2024-02-21 11:30:43 0  2  461

javascript - How to use the request library in nodejs to capture images from web pages

{Code...} I wrote request and writefile in the form of promise. It is possible to capture html, but not images. At first, the data output is of string type, that is, the body of the request is of string type, so I Use Buffer.from to convert to buffer type, also...

滿天的星座 2017-06-17 09:16:39 0  1  872

javascript - Is there any simple js that can be used to zoom in and out by clicking on the image?

I want to use a js that can zoom in and out of images in html. It is best to use two kinds of images, one big image and one small image. Is there a simpler image sharing function for the mall's comments? I don't know.

習慣沉默 2017-05-19 10:47:30 0  2  758

How to use the Google Vertext AI Vision API to create a simple website that converts user-submitted images into text.

I'm trying to build a simple HTML/CSS/jQuery website that uses the Google Vertext AI Vision API (or other service) to convert user-submitted images to text. If anyone could answer the following questions I would be very grateful. How difficult was it to create this website? Are there some examples o...

P粉798010441 2023-07-21 10:47:08 0  1  605

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  775

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...

给我你的怀抱 2017-05-16 13:21:19 0  1  912

javascript - JS image compression and upload as file

JS image compression is used to upload images in WEBKIT. When selecting an image, compress the image and obtain the BASE64 data of the image, and then upload the image in the form of File when submitting the form. The BASE data has been obtained, but the uploaded file is also BASE64 data and cannot ...

淡淡烟草味 2017-05-18 10:58:12 0  4  1711

javascript - How to deal with errors when doing canvas.toDataUrl() on safari and ios?

First, I installed two pictures in a DIV: the base64 format picture + the local picture obtained by input type=file and then synthesized it into a canvas using html2canvas. Finally, in order to facilitate the long press to save the picture on the phone, I want to synthesize it with html2canvas. Use ...

伊谢尔伦 2017-05-31 10:41:03 0  1  1398

Image not loading in page

I want to load sliding images in a web application and for this I am using Bootstrap carousel. Get pictures from the background. Images are stored in image state. Below is the JSON format for getting the data. images:[{SNO:'1',NAME:'image.jpg',PIC_NAME:'image'}] After uploading the images, they are ...

P粉238433862 2023-09-09 20:59:03 0  1  605

How to fill in dotted lines

Please help me with this problem How to fill in a row of dots in the blank space between food name and price in reactjs? (image example) I am using MaterialUI library for my project, enter image description here I am using MaterialUI library for my project <Gridcontainerspacing={2}>{coffeeMenu...

P粉757640504 2023-09-15 15:37:13 0  1  519

Issues uploading and displaying images copied directly into the Summernote editor

I'm having trouble uploading images copied directly into the Summernote editor without using the image button. Here's a brief overview of the problem and the steps I've taken so far: I've integrated Summernote into my web application and enabled the paste functionality to allow users to copy and pas...

P粉505917590 2024-03-21 23:48:43 0  1  507

When using PHP to output data, it will change the attribute values ​​​​(length, etc.) of the static page div.

Mainly for the image output page, I started to use the database to store the image upload address, and then used the front page to output it, and then it changed the attribute value of the static page div. I also tried other base64 encoding and decoding image addresses, but it still didn't work. Has...

与你。 2022-04-04 13:22:02 0  0  956

Lucene - java web Now use the search function, which one is better?

When building a picture browsing site, a picture contains n tags. Now it is divided into a table for pictures, a table for labels, and a table for pictures and labels. The first thing I did was to use like to query the keywords separated by spaces. For example, the keyword "men's shoes" wi...

大家讲道理 2017-05-17 10:09:09 0  4  599

How to right-align images using Bootstrap Vue

I'm new to BootstrapVue and trying to use b-cardheader to align an image to the right. I tried using <span> or <div>. The template's title size was perfect until I added the image, which also showed up a little to the right, but also a little below. Here is my codepen link. Any help you ...

P粉216807924 2023-09-07 23:33:56 0  1  619

javascript - What happens when the web side requests a file that is being modified?

I encountered a problem. The web side requested a picture, but the picture was modified dozens of times per second on the server side. Server-side nodejs uses fs.createReadStream(image_path).pipe(response); to return images. I tested the frequency of python single-thread modification 10 times per se...

曾经蜡笔没有小新 2017-05-16 13:34:38 0  1  442

XSLT - Convert images (and pdf) to base64

I'm using ApacheFOP2.8 to convert ApacheFOP intermediate format (IF) files into HTML files with a self-written xslt stylesheet. As an external library, I currently only have saxon12he installed. Issue #1 (Image to base64) In the source IF document, there is an image xml element like this: <imagex...

P粉529245050 2024-01-16 16:01:19 0  1  500

How to use php to call the tesseract-ocr program in the windows environment

Making a local website can recognize text and pictures. The PHP environment has been set up using xampp and HBuilder. How can I use PHP to call the tesseract-ocr program in the Windows environment? Display the uploaded image on the same interface of the website and then the website will feedback the...

crush 2019-04-23 09:28:31 0  0  1056

javascript - What happens when the local ID obtained in the jssdk image selection API can be used as a URL on the Android side but cannot be used on the ios side?

The api of the jssdk image selection interface--chooseImage returns the local image ID itself after selecting the local image. It can be used as a link to the image. On the Android machine, I set it as a background image without any problem, but the selection is completed on iOS. The id returned aft...

ringa_lee 2017-05-16 13:34:52 0  1  540

Display blobs using JavaScript

I'm retrieving a Blob image from a database and I want to be able to view the image using JavaScript. The following code produces a broken image icon on the page: varimage=document.createElement('image');image.src='data:image/bmp;base64,'+Base64.encode(blob);document.body.appendChild( image);This is...

P粉860370921 2023-08-23 20:45:06 0  2  620