Properly Read Exif Tags In Photos/jpegs/tiffs?
Nov 12, 2011
I've almost finished my multimedia project. On the photobrowser (which constructs thumbnails of every photo in a folder and draws them onto a bitmap which I then make persistent and from which the user can select a thumbnail and the image is shown in full on a new form). You can print the bitmap consisting of 100s of thumbnails or the full image associated with a thumbnail. The onloy thing missing is getting all the Exif info - which is proving more difficult than I expected despite the propetyitems in vb.net. Yes, I have set the encoding to UTF8 etc.
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Aug 18, 2010
I'd like to look into extracting EXIF tags/data from jpg images. I've looked around but can't seem to see any simple example. Anyone able to point me into the direction of pulling out the model/date values etc out of EXIF data?
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Apr 2, 2012
I'm using the ExifTools code to read and update the EXIF for JPEGs in a VB.NET project I am developing. So far I've been successful with doing what I need to but I'm having difficulty with the last thing on my wishlist- the "Keywords" or "Tags" entry. The "Tags" property (as accessed by file right-click->properties->Details and just below the rating stars) is populated with information but if I use the PropertyItem for Keywords (Value 40094) with the ExifTools GetPropertyValue() function, it returns nothing.
It's pretty obvious that the "Tags" entry under file properties is not the same thing as what EXIF defines as "Keywords" but I have not been able to figure out what the correct PropertyItem value to pass is.
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Aug 7, 2009
I have a form with 1 textbox a button a photo at c:photo.jpg I want the model of the camera put in my textbox
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Mar 19, 2010
I'm looking to create a csv file of image_names, latitude, and longitude extracted from EXIF headers of several jpegs. I'm having trouble parsing the lat and long byte array items to decimal or ascii. Here is what I have so far.[code]...
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Apr 25, 2012
I have written simple module in C#.Net which reads image property (i.e EXIF Data) and to do the same i have used below code:
[Code]....
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Nov 8, 2009
I'm trying to analyze web pages for seo. I'm trying to create my own personal tool to extract all the keywords and tags from web pages (a little clearer).I already know how to extract or parse links and text from web pages. The issue is that I tried to implement title tags, body tags or keyword tags in general via using the following code:
Dim theElementCollection As HtmlElementCollection = WebBrowser1.Document.GetElementsByTagName("a")
For Each curElement As HtmlElement In theElementCollection
If curElement.GetAttribute("href").Contains("http://twitter.com/") Then
[code]....
Try to extract all the keywords from the title, body etc. for this page:[URL] and send it to separate textboxes (title keywords in textbox1, meta tags in textbox2 etc.).
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Nov 8, 2009
I'm trying to analyze web pages for seo. I'm trying to create my own personal tool to extract all the keywords and tags from web pages (a little clearer).I already know how to extract or parse links and text from web pages. The issue is that I tried to implement title tags, body tags or keyword tags in general via using the following code:[code]
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Nov 7, 2009
I was just wondering how to extract or parse any particual tags (whichever I specify) from webpages. I know how to extract text and links from webpages, but I tried to use the same method from the following code for div tags, title tags etcetera and it doesn't seem to work:
[Code]...
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Jun 24, 2008
How can I read ID3 tags from an MP3?
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Feb 15, 2012
I am using VB2008 and I am working on a project to read id3v2 tags. It can already read id3v1 tags, but the track name and artist are for maximum 30 characters. I want making it to read id3v2 tags?
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Mar 22, 2009
How can I read and write JPG tags using VB6. The ones that I want to read& write are
Title
Subject
Keywords &
Comments.
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Mar 28, 2011
I need to see if a tag of a control already exists. I have a few RTB's in tabpages (dynamically created) which are given a tag. Now I need to see if a specific tag already exists in the app.
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Aug 1, 2009
I want to read ALL text between specific <b1> and </b1> tags + hide the tags, example text:As part of the Visual Studio product range, Microsoft created a set of free development environments for hobbyists and novices, the Visual Studio 2005 Express series. One edition in the series is Visual Basic 2005 Express Edition, which was succeeded by Visual Basic 2008 Express Edition in the 2008 edition of Visual Studio Express.[8]The Express Editions are targeted specifically for people learning a language. They have a streamlined version of the user interface, and lack more advanced features of the standard versions. On the other hand, Visual Basic 2005 Express Edition does contain the Visual Basic 6.0 converter, so it is a way to evaluate feasibility of conversion from older versions of Visual Basic. [code]I want to use .rtf because i need to save color etc.
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Feb 20, 2011
Did anyone already try to read RFID tags but not by reading request?I mean, When some tag is readable can't just the RFID reader detect it?So far this is the code I've been trying to use without success.
Imports System
Imports System.IO.Ports
Public Class Form1
[code]....
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Feb 22, 2009
I'm in need of a simple Regular Expression that will match all strings that start with the string "textures/". The problem probably is when to end the match.
Here is an example of the type of file I need to parse:
[Code]...
I have attached an example file (it's from a game, and it's a free game, so I don't think this is not allowed?). When opening that with Notepad I see loads of spaces and a few strange characters. When opening it with Wordpad, I see mostly strange characters (but the "textures/..." strings I need are still there). When reading it with VB (IO.File.ReadAllText or using a StreamReader) I cannot get it to show more than a few random characters, and the "textures/..." strings are no longer there...
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Apr 2, 2012
I'm new to WebRequest authentication and have been researching how to authenticate w/ a couple websites to pull some excel data from them. Couple things I'm confused about is
a.) how to properly read a log from Fiddler (using this to pick up get/post data from the website authentication)
b.) how do use the data from Fiddler to program the VB.NET WebRequest properly.
I've been able to authenticate w/ websites that use simple authentication HTTPS, but any site that does any redirects/REST/cookie auth I'm lost.
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Feb 24, 2012
I have a conceptually simple task:Read in two TIFF imagesOverlay the second image onto the firstSave as a new TIFFOne catch: The first TIFF is 40,000 pixels by 0,000 pixels, 8-bit indexed color. Yes, I need a lot of memory. I'd like to get to that later. (The second TIFF is also 8-bit.)I've found GDI+ (System.Drawing) to be incredibly restrictive. I cannot create a Graphics object from an 8-bit indexed color bitmap, for one thing (something that woul trying to learn WPF (System.Windows.Media.Imaging). I've been following several examples from MSDN and looking all around but nothing is working. Here's what I have so far:
Dim workingDir As String = "C: emp"
Dim baseimg As String = "base.tif"
Dim overlayimg As String = "overlay.tif"
[code]....
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Jul 8, 2011
So I have a csv file:
[Code]...
My problem is when i use this schema.ini, the 9th, 10th and 11th column of the second row of the csv file doesn't read properly if there's a special character in it (it supposed to be telphone number), i think because the row above is returned as a number(integer) because it's pure numeric:
[Code]...
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Jun 12, 2011
So my most recent project hinges on the ability to open a selected XML file and display the names of certain fields in a listbox control. This normally wouldn't be challenging except that the following variable is equal to vbNull (Nothing). Dim XMLReader As New System.IO.StreamReader(OpenFileDialog1.FileName)
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Jan 20, 2012
Currently I am using .NET to break apart multi-page tiffs into separate jpeg/pngs. The process on its own is perfectly fine. But after few weeks, I notice one big flaw in the page sizes. Each page I separate is the same (width/height NOT FILE SIZE) as the whole TIFF document combined. When the TIFF is displayed,this creates a massive black spot on the right/bottom of the image. This is a very big flaw as I can't determine the physical dimensions of each page as I am separating them. If I know ahead of time, I can at least write up some kind of cropping mechanism.
System.IO.Stream s =
new System.IO.MemoryStream(imageData);
System.Drawing.Image i =[code]......
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Jun 9, 2010
I need to parse a binary stream in .NET to convert a 16 byte unsigned integer. I would like to use the BinaryReader.ReadUIntXX() functions but there isn't a BinaryReader.ReadUInt128() function available. I assume I will have to roll my own function using the ReadByte function and build an array but I don't know if this is the most efficient method?
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Apr 23, 2012
With my code as I have a trouble with the returned strings that I have extracted from my php source to add the strings in my listview.
I'm reading the tags of mystrings1 and mystrings2 for each paragraph from the php source. I got the returned strings which it looks like this:
PHP
<p id='mystrings1'>my strings</p> | <a href="http://xfvasfasfasfasf">Link</a> </td> | <a href="delete.php?id=0">Delete</a> </td> | <span id="mystrings2">Enabled</td>
I want the returned strings to be like this when I reads the tags of mystrings1 and mystrings2 while ignore the other tags.
PHP
<p id='mystrings1'>my strings</p> | <span id="mystrings2">Enabled</td>
Here's the
Public Sub timer1_Tick(ByVal sender As Object, ByVal e As System.EventArgs)
timer1.Enabled = False
timer1.Stop()
[CODE]...
Do you know how I can ignore the other tags when I get the returned strings of mystrings1 and mystrings2?
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Apr 9, 2010
i am using itextsharp and creating a PDF with images. currently the images i am using in the application are on my desktop, but i will need to make an installation file that will put the images in a specified directory on the users computer and be able to call them from the specific directory.how do i include pictures with my build?how do i reference the pictures? currently i am using:
Dim jpeg3 As Image = Image.GetInstance(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) & "2.jpg")
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Apr 17, 2010
I've been working on a project for months now (vb 2008 express). There is one final which I can't solve.I need to send images to a client from a 'server'(listener). The code below works most of the time but sometimes the image is incomplete. I believe this might be something to do with the tcp packet sizes varying, maybe limited by how busy it is out there on the net. I have seen examples of code that splits the image into chunks and sends them out, but I can't get them to work maybe because I'm using a different vb version. The pictures to be sent are small 20k max.
Any working code examples would be wonderful. I have been experimenting and failing with this final hurdle for weeks.
[Code]...
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Jul 22, 2009
As part of test automation framework building, I need to record the activities done by the user in a video. Since I could not find a way to record a video directly in vb, I opted to capture a sequence of screen shots (print screens) and then convert it to a streaming video.
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Apr 8, 2010
when i am building the installation file i need to be including some jpegs and i need them to be saved to a specific location how do i include jpegs in the installation? how do i have them be extracted to specific directories?
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Jun 19, 2006
I'm saving a bitmap as a jpeg using: savedImage.Save(fileName, System.Drawing.Imaging.ImageFormat.Jpeg) which is resulting in a JPEG with a 96dpi x 96dpi resolution and a 24-bit color depth. Is there a way in VB .NET 1.1 to change this to say a 72 x 72 dpi resolution and a 16-bit color depth?
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Aug 25, 2009
I am creating some Jpegs on the fly using the copy method within Office products. Effectively I am taking a snapshot of some tables in Excel. I know how to copy the data. I now want to store the copied data into files in a temp directory. How do I take the information which is now on the Clipboard and paste it to a file which can be saved in a temp drive?
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Jun 21, 2010
I am planning to create a system for my case study wherein i can Add tags from images and search for it by "tags" such as photobucket. For example i open an image to my system, and it's file name was "WhiteHouse.jpg" and i added or tagged it as "Building". Once i search on my computer, and type the word/keyword "Building", the image "WhiteHouse.jpg" will be displayed on search results as i tagged it on my system.Is that possible guys? or i can only search by tags using my system/application? and not in the search command in my computer?If it is possible please tell me what to do. or if you have sample vb.net2008(windows Application) files it will be helpful. Or if you have sites related into it. pls send me those links, especially downloadable vb.net files w/ codes for further studying.
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