Tag:Picture size

  • Mask RCNN deployment tips


    Int8 for network transmission Purpose: Our project needs to useinstance segmentation, sorcnn_maskThe output layer has a large amount of data, and because of the size of the picture1024*1024*3So big If you don’t compress it and transmit it directly, the amount of data will be very large and the interface delay will be very high In […]

  • Java processing PDF size


    1、 Import dependency Import iText related dependencies <!–https://mvnrepository.com/artifact/com.itextpdf/itextpdf–> <dependency> <groupId>com.itextpdf</groupId> <artifactId>itextpdf</artifactId> <version>5.5.13</version> </dependency> <!– https://mvnrepository.com/artifact/com.itextpdf/itext-asian –> <dependency> <groupId>com.itextpdf</groupId> <artifactId>itext-asian</artifactId> <version>5.2.0</version> </dependency> 2、 Encapsulated tool classes import com.itextpdf.text.Document; import com.itextpdf.text.DocumentException; import com.itextpdf.text.Image; import com.itextpdf.text.PageSize; import com.itextpdf.text.pdf.PdfImportedPage; import com.itextpdf.text.pdf.PdfReader; import com.itextpdf.text.pdf.PdfWriter; import java.io.FileOutputStream; import java.io.IOException; public class ModifyPdfUtil { /** *Automatically modify PDF size to A4 size […]

  • Vue image compression to Base64 upload image


    Due to business needs, the company project needs to use image upload, compression, Base64, and these are implemented in the foreground. I haven’t written this kind of logic and code in Vue before. With my patience, I finally delivered the code and function. Now I want to release the code and share it with you!!! […]

  • Zoom and pan of react picture (implemented by canvas)


    React image zooming and panning (position and transform implementation)The last part talked about usingposition、transformTo achieve the panning and zooming of the picture. This article will usecanvasLet’s see. canvas HTML5 <canvas> Tags are used to draw images (through scripts, usuallyJavaScript)。 however,<canvas> The element itself has no drawing ability (it’s just a container for graphics) – you […]

  • How to fix uitableview in IOS cell.imageView.image Image size of


    preface All those who develop IOS will basically encounter the situation that they need to display lists, or even if they are not standard lists, because the number is not fixed, they also need to display and load from top to bottom like lists. All of these can’t get around the use of uitableview. Uitableview […]

  • HTML tutorial: introduction to the method of modifying the border attribute of image size alignment interval


    Image marking:<img>To insert an image into a page, we need to use the “img” tag, whose attribute is “SRC”For example, code:<img src=”test.jpg”> Conclusion Here we assume that the image file and the HTML file are in the same directory.Similarly, we can give the full path of the image file.For example:<img src=”C:\images\test.jpg”> Width and height:Correct the size of […]

  • UI avatars generate API with instant Avatar


    introduce UI AvatarsIt’s a website that generates avatars based on the initials of its name, providing APIs to the public. No restrictions or login, no usage tracking, no storage of any information, and fast access. I like it very much because it’s easy to use. Ready to use On the IMG tag, you can directly […]

  • Record a JS image compression ideas


    Image compression using canvas Idea: create a canvas and draw the picture on the canvas,Adjust the image size by setting the width and quality of canvas Convert file to Base64 This step is to create an image and obtain the aspect ratio in the image //Convert file to Base64 function changeFileToBaseURL(file, fn) { var flieReader […]

  • Canvas image clipping, double finger zoom and smooth experience, support PC end and mobile end


    Demo Online demo instructions API, please movehttps://github.com/Gitjinfeiy… use Please refer to demo let editor = new ImageEditor(options); Options { Container: ‘wrapper’ // required mount container limit:{ minWidth:50 , // width limit maxWidth:200, minHeight:50 , // height limit maxHeight:200, maxSize:50 , // picture size limit KB }, created:function(imageEditor){ //After the editor is initialized }, beforeReadFile:function(){ //Before […]

  • Using canvas image compression, size adjustment


    Record it Step 1:Call the native camera with input, capture = camera <input onchange=”photoChange(event)” type=”file” accept=”image/*” capture=”camera” id=”upload_file” /> Step 2: get the picture informationuseFileReaderRead the information of the picture function photoChange(el) { const _this = this; var file = el.target.files[0];// name: “dangqi1.png” || type: “image/png” _this.fileName = file.name; var type = file.type.split(‘/’)[0]; if (type […]

  • Java gets the size of the image according to the image address, in KB or MB


    /** * byte is converted into KB and MB according to length     *       * @param bytes      * @return      */      public static String bytes2kb(long bytes) {          BigDecimal filesize = new BigDecimal(bytes);          BigDecimal megabyte = new BigDecimal(1024 * 1024);          float returnValue = filesize.divide(megabyte, 2, BigDecimal.ROUND_UP)                  .floatValue();          if (returnValue […]

  • Tensorflow read image file


    1. Read the file list #File save directory path=’./data/iamge’ file_names=os.listdir(path) file_list=[os.path.join(path,file_name)for file_name in file_names] 2. Create file read queue file_queue=tf.train.string_inpurt_producer(file_list) 3. Create a picture reader to read pictures reader=tf.WholeFileReader() key,value=reader.read(file_queue) 4. Analysis of pictures image=tf.image.decode_jpeg(value) 5. Set the image size and fix the image channel image_resize=tf.image.image_resize(image,[200,200]) image_resize.set_shape([200,200,3]) 6. Batch processing tf.train.batch([image_resize],batch_size=20,num_threads=2,capacity=20) 7. Turn on session […]