如何从base64编码的jpeg创建GD图像?
I have an upload Api that as a response object delivers (along with other stuff inside a Json object) a base64 encoded jpeg image. 我有一个上传Api作为响应对象(与Js...
如何在jpeg或png格式的字节数组中在画布上绘制图像
Like the title says, I have a byte array representing the contents of an image (can be jpeg or png). 就像标题所说,我有一个表示图像内容的字节数组(可以是jpeg或png)。 I want to dr...
从R中的jpeg图像中提取RGB通道
In order to classify a jpeg image in R, I would like to get the RGB values of each pixel. 为了在R中对jpeg图像进行分类,我想获取每个像素的RGB值。 My question: Is there a way ...
jQuery从IPCam获取jpeg图像
As a beginner in jQuery I followed the tutorial at jQuery For Designers (J4D) as Rzetterberg has told to check it out in this post webcam image refres...
如何将YUYV图像压缩成jpeg
(Cross posted to libjpeg-turbo-users list.) (Cross发送到libjpeg-turbo-users列表。) I'm having a problem with libjpeg-turbo. 我对libjpeg-turbo有问题。 The tjCompre...
如何在xp中为jpeg图像创建元数据
I have an archive of Dilbert cartoons, and would like to organize them in a way, that I can find the one I need based on something on the order of a k...
如何在Java中压缩jpeg图像而不丢失该图像中的任何元数据?
I want compress jpeg files using Java. I do it like this: 我想使用Java压缩jpeg文件。我是这样做的: Read the image as BufferedImage 将图像读取为BufferedImage Write the ima...
高效的JPEG图像在PHP中的大小调整。
What's the most efficient way to resize large images in PHP? 在PHP中,调整大图像大小最有效的方法是什么? I'm currently using the GD function imagecopyresampled to take hi...
将字节数组编码为Objective-C中的JPEG图像
I have a file of raw data , its a image data. Now i need to convert the Raw data to JPEG image in Objective-C. STEPS: 我有一个原始数据文件,它是一个图像数据。现在我需要在Object...
JPEG数据来自相机模块,如何在计算机上显示图像?
I have a microcontroller with at camera connected to it. The camera module can take JPEG pictures. I have manage to capture JPEG images (I think) but ...
即使是在JPEG格式下,从相机拍摄的图像旋转。
I am using following code to taking image from camera. but my problem is that image is rotating to 90 degree left side. I tried to rotate my image man...
如何在Google机器学习中将jpeg图像转换为json文件
I'm working on Google cloud ML, and I want to get prediction on jpeg image. To do this, I would like to use: 我正在开发Google云端ML,我希望能够预测jpeg图像。为此,我想使用: gc...
Python图像库失败,消息“解码器JPEG不可用”- PIL
PIL does support JPEG in my system. PIL在我的系统中支持JPEG。 Whenever I do an upload, my code is failing with: 每当我上传,我的代码就会失败: File "PIL/Image.py", line 375, ...
生成PDF然后下载为JPEG或图像文件
I am using iText to generate PDF and is working fine, and I can also download it via browser as PDF. However, is it possible for java or iText to conv...
从jpeg图像文件中获取宽度和高度
I wrote this function to given filename(a jpeg file) shall print its size in pixels, w and h. According to tutorial that I'm reading, 我将这个函数写入给定的文件名(...
【原创】JPEG图像密写研究(三) 数据流译码
【原创】这次更新比较慢,译码过程比想象中复杂一些,更主要是译出来的DCT系数无法确定是否正确,要想验证就需要再进行正向压缩编码,再次形成jpeg图像验证正确,后续工作正在开展,这里就说一说译码的主要思路和过程。说到译码过程,首先要了解jpeg图像数据流的组成:数据流是以MCU(最小编码单元)为基本单...
读取JPEG图像并计算图像坐标
I want to read in a JPEG image with a uniform gray background with several colored balls on it of the same size. I want a program which can take this ...
使用swift将映像保存为图像/jpeg。
I'm trying to upload pictures to firebase with a mime type of image/jpeg but for some reason they all upload as application/octet-stream. 我试图用mime类型的图...
C#从文件中读取JPEG并存储为图像
How can I read a JPEG on my filesystem and store it as a System.Drawing.Image within my C# code? 如何在我的文件系统上读取JPEG并将其作为System.Drawing.Image存储在我的C#代码中?1...
无法使用ImageIO.read读取JPEG图像(文件文件)
I'm having problems reading this one JPEG file using ImageIO.read(File file) - it throws an exception with the message "Unsupported Image Type". 我在使用I...