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caffe训练（4）均值文件的生成

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caffe训练（4）一、二进制格式的均值计算乌班图系统 windows系统二、python格式的均值计算图片减去均值后，再进行训练和测试，会提高速度和精度。因此，一般在各种模型中都会有这个操作。那么这个均值怎么来的呢，实际上就是计算所有训练样本的平均值，均值含义具体可见博客：深度学习（4）数据预处理-均值减法。计算出来后，保存为一个均值文件，在以后的测试中，就可以直接使用这个均值来相减，而不需要对测试图片重新计算。一、二进制格式的均值计算 caffe中使用的均值数据格式是binaryproto, 作者为我们提供了一个计算均值的文件compute_image_mean.cpp，放在caffe根目录下的tools文件夹里面。乌班图系统编译后的可执行体放在 build/tools/ 下面，我们直接调用就可以了 sudo build / tools / compute_image_mean examples / mnist / mnist_train_lmdb examples / mnist / mean . binaryproto 带两个参数：第一个参数：examples/mnist/mnist_train_lmdb，表示需要计算均值的数据，格式为lmdb的训练数据。第二个参数：examples/mnist/mean.binaryproto，

reading the contents of blob in javascript

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问题 Finally I succeeded in creating an xml file locally & downloading it on a pc using JavaScript & BLOB in HTML 5. (as shown in code below). This file can be stored as a text or as xml type. now my question is how to open this file (again from local disk in PC) using JavaScript & load the values of a particular node to a respective field in HTML form. ?? can anyone please help me with this ? // to save the contents : function savedata() { var feederdocument = document.createElement(

How to run war file on machine of client from another country without having error related to clock/ signature?

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问题 I have eclispe maven project based on Azure services. I want to run it on client's machine who is from another country, so have different time zone. When I install eclipse on their machine and run all the services, those works fine. But when I added war to apache folder , after running it, it's giving error like : Make sure the value of Authorization header is formed correctly including the signature. at com.microsoft.azure.storage.StorageException.translateException(StorageException.java:) I

“Download Blob” using Interactive Grid

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问题 What is equivalent to the Interactive Report "Download Blob" for Interactive Grids? Currently I am using an Interactive Report as my workaround but would like to use Interactive Grid however there is no Download Blob column type and I don't want to hack a URL in the select clause. 回答1: Here are some steps that show you how it's done in APEX 19.2. Feel free to adjust as needed for other versions of APEX and as per your business requirements. Create a table to store BLOB files and add a file as

Delphi - How to save bitmap to BLOB field in SQLite database

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问题 I am trying to add an array of TBitmap images to different records of a ClientDataSet (in a ftBlob field) and then save those records to a SQLite database. The BLOB field (DocImage) is a required field in the database. However, my code does not seem to save the bitmaps to the blob field in the ClientDataSet at all... So when I call BdmMain.cdsTrxDoc.ApplyUpdates(0) , I get the error: "Field 'DocImage' must have a value." I have checked the size of my BlobStream (BlobStream.Size) before and

Modeling PostgreSQL's large objects in Rails

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问题 I need to save large objects in the db in my rails app. I think that I can have a table created in SQL as CREATE TABLE files ( id serial NOT NULL, name string NOT NULL, blob_oid oid NUT NULL ) And then store the data in Ruby as conn.exec("BEGIN") lo = conn.lo_import(data) conn.exec("COMMIT") file = File.new file.name = file_name; file.blob_oid = lo.id file.save First of all, is this correct? Secondly, how do I describe the model for File in Rails. What is the data type of Friend.blob_oid in

How to get Blob data from an existing audio element with Javascript

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问题 I have a mp3 file for play it in my View. I already know location of that mp3 files in my server , audio element is working good , I can play this mp3 . but I need to get blob data from this audio element. I found so many example on web, but everyone teach only when we upload a file from <input> element. I just need to learn how to get binary data from an existing audio element like this : <audio id="myAudio" src="/Media/UserData/mp3DataFolder/5f67889a-0860-4a33-b91b-9448b614298d.mp3"></audio

How to get Blob data from an existing audio element with Javascript

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Requesting blob images and transforming to base64 with fetch API

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问题 I have some images that will be displayed in a React app. I perform a GET request to a server, which returns images in BLOB format. Then I transform these images to base64. Finally, i'm setting these base64 strings inside the src attribute of an image tag. Recently I've started using the Fetch API. I was wondering if there is a way to do the transforming in 'one' go. Below an example to explain my idea so far and/or if this is even possible with the Fetch API. I haven't found anything online

Saving pdf to BLOB (in mssql server) and output it back on website (php)

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问题 I need to save a pdf file into BLOB (database is MsSql 2012, but I would need it work on 2008 too). Here is compilation of what I have tried so far: (File where I save pdf into database ) function preparePDF2String($filepath) { $handle = @fopen($filepath, 'rb'); if ($handle) { $content = @fread($handle, filesize($filepath)); $content = bin2hex($content); @fclose($handle); return "0x".$content; } } $out = preparePDF2String('pdf/pdf.pdf'); $q_blob = "INSERT INTO HISTORIA_ARCHIWUM_test(PDFName,