VS 2008 Find Image In An Image?
Apr 5, 2010How do I create a program that finds the position of an image that is contained in another image?
View 1 RepliesHow do I create a program that finds the position of an image that is contained in another image?
View 1 RepliesScreen and send are both bmps:This is what I've tried so far but it doesn't work
For y = 0 To screen.Height - 1
For x = 0 To screen.Width - 1
If getpixel(screen, x, y) = getpixel(send, 0, 0) Then
[code].....
I'd like to verify if an image control has an image loaded . If it does , I want to unload that image (and load no image) , but if the image control has no image loaded , I want to load an image . Is it possible ?
If ImageMY.Image.Equals(Nothing) Then
ImageMY.Image = System.Drawing.Image.FromFile("C:ImageBlaBlaBla.jpg")
Else
[code].....
i wanna make a fun little Program, I just have a few Questions. On How someone would go about this,Okay i wanna scan a picture and look for a box that has for example 3 across and then bottom line also has 3 lines across. Like This
How would i go about finding This Image ? And or Set of pixels I know a couple ways i Could do this, But it would be a Slow Process Anyone have a suggestion. On How i would Code this,Scan the pix look for a black Pixel then scan next to it etc etc then scan the other line, And if it matches then >Do Something < But that would Be alot of coding and and be Slow, Anyone got an Idea on how i would make it easier
Just wondering the best way to find out when an image is clicked on in treeview control
View 3 RepliesIn VB6 you could BITBLT things around before refreshing the screen. In .NET, I'm aware of DrawImage, but that can only be done on a paint event rather than before anything gets painted. The issue I have is, I need to open several files with image data in them and then build a bigger image with those smaller images. Before I could open them, BITBLT them to a Buffer. As far as I can tell .NET offers no way to do this as the only function I've been able to find (DrawImage) only works within the paint event. Is there still a way to do this in VS08 or no?
View 6 RepliesIve been programming in VB6 for years, i figured its time for an upgrade. Here's what im doing, and what the problem is:
Im loading a bunch of pictures on top of one image. They are all PNG files, and some of the images have transparent edges, and some semi-transparency within the image itself.
So basically, i need to be able to load these images on top of the other images, and still maintain the transparency.
Is this possible in VB08? This is one of the main reasons i moved to 08 from vb6, more things possible including multithreading.
I need to know how to use listview, I'm having trouble using it.What are listviews uses?What can be listed in listview?What cannot be listview?If an image is in listview, will it display a thumbnail of the image?
View 4 RepliesI want to draw an image onto another image object but use an alphamask specified from another image that is grayscale.
I am drawing an animation manually so don't want to do this pixel by pixel as this would be extremely inefficient.
I'm having a problem getting the src of the image the mouse is hovering over in a webbrowser. I can get an href just fine, just not an src. To get the href, I used this
Something = Webbrowser1.Document.ActiveElement.GetAttribute("href")
When I try to do it for an image, nothing happens. How do I get the image location?
I am trying to edit an image. I can open the image with Picturebox1.load(mypicture)
I can change the pixels/edit the picture by Dim img as new bitmap(picturebox1.image)
[Code]...
now here is the weird part. When I save the image the filesize INCREASES..but the picture dimensions are the same Example... TEST.PNG 1.3KB, when opened up via picturebox/saved the image is now 2.3KB
not sure why...i even though I specify system.drawing.imaging.imageformat.PNG
samething with JPG... it actually SHRINKS it evenmore.. example 88KB jpeg.. saved as jpeg is now 47.7KB...
I am trying to read a 16bit binary file (tif image) and pixel values of the image ranges from 1200 to 4500. I tried to use BinaryReader using ReadUInt16 but I get EndOfStreamException Unhandled error. ReadByte method works fine with an 8bit tif file. I do not know how to read a 16bit image file using binaryReader. Shouldn't I use ReadUInt16 since values of pixels range from 1200 to 4500?
[Code]....
I'm trying to get the image's name from a imagelist..[code]ofcourse that "name" doesn't exists, and I'm trying to find out what another correct way to get the name of that image.
View 1 RepliesI have been trying to make a image recognition function for a program I am making. I am having a hard time getting it to work. It does find the image, but it says pixels don't match after going so far.
The Code below works partially. It will output the program screen as Print.bmp
Will load prizes.bmp
But when it compare the images it exits after half way through like it doesn't match and ouputs test2.bmp as part of the prizes.bmp with a black area in it.
Module ImageFunctions
Public Declare Function PrintWindow Lib "user32" Alias "PrintWindow" (ByVal hwnd As IntPtr, ByVal hDC As IntPtr, ByVal nFlags As UInt32) As Boolean
Sub Print()
[Code].....
I want to know how to find the image size in kb if the image is from a web site?
View 4 RepliesI have a listview control. it has an imagelist attached to it with two images in it. I have entered items into my listview, and they are using the first image in my imagelist.... GREAT! Now, there is a variable I have that will tell me which index in the listview is currently active, noting to do with what I select that could be at another index it's just what's being processed by the program at the time in some task.
Create a function that will change the images of all my listview items by looping through them. If the index variable is set to 2, I want the 3rd item in my list view set to use the 2nd image in my imagelist. The rest of the items in my listview need to be set to the first image in the imagelist.
I have dowiloaded vb 2008 express and cannot find the msdn image library. I go to where the intellisense tells me to go and the image folder is empty. Is there a way to download the appropriate library.
View 1 RepliesOk, so I have a webbrowser that loads a flash page, and there is some text there, which I want to compare to another image.
I have checked for server communication and there is none when you press the button.
So I want to know if it's possible to (A) Find an image on the web browser (B) Find RGBs of (x,y)s on the screen and compare them to their values?
It is possible to find the points of a part of image example, do I have a photography of a castle where there is a flag, manage to find where is the flag positioned to runtime?
View 4 RepliesLets say I have opened image on the screen. I want to find coordinates of little object on that picture. I know pixel pattern of that object.
[Code]...
im trying to find a small difference in 2 images and return the x, y of where the difference was found, i have no idea where to start.
View 3 RepliesI'm trying to compare two images to see if bmpComp exists in bmpSrc. At this point in the code, the first pixel of bmpComp matches the first pixel of bmpSrc at (intx, inty).[code]...
View 4 RepliesIt is very easy to move your cursor to a specific coordinate but my question here is how do you move your cursor to an image? Now what this would involve doing is importing an image so the program understands it, then finding that image on your screen (maybe through RGB colors). How exactly do you do this? What is the procedure?
Say I want to import this image: Now I want the program to find that image on the screen (THE START BUTTON) and then move my cursor on it.
so cursor.position = new point(the image)
I have scanned a map which was in UTM WGS 84 projection system. The scanned map is now in jpg format and loaded into picturebox. If I select a point, how could I know that point's latitude and longitude? How could I integrate a projection system over the image displayed in picturebox?
View 1 RepliesI'm trying to make a program for a school assessment in VB express 2010 using databases. The program essentially has a panel for uploading an image with a name string and an author string, which it then stores in a database. You can then search the database using the name or author string and find pictures that fit the criteria.
View 2 RepliesFinished with my overlay program. Now I want to give users the ability to show their own images. [URL] That is an example of the program. Currently on the right I just have a drop down box with that image tied to a form. I want to have a blank form that allows people to select from files on their own computer to be displayed. Edit: Just realized the print screen didn't work (well, obviously it worked) but it didn't capture my overlay. Will try to take another. Let me know if you have any questions,
View 1 RepliesIs there a way to tell the DISPLAY size of an image in a picture box? If the PictureBox.SizeMode=Zoom, the picture sometimes is not displayed as big as the picture box is, and is sometimes displayed smaller, or larger, than the actual image is. I just want to know what size it is actually displaying as.
View 3 Replieswhere can i find a jpeg image with adaptive binary arithmetic coding?if you have a image of that, please sent it to me.
View 5 RepliesI have a string which consists of the raw HTML of a webpage. I would like to search for the first use of /imgres?imgurl= within the string and display the url of an image which follows exactly after it in a text box. Below is an example of part of the string: [URL]..In this case it would find /imgres?imgurl= then it would display [URL]...
View 2 RepliesI created a new cursor (it works properly, I tried it in windows 7) but is not working for me in the program.I took the Windows cursor (aero_helpsel_xl, from C:WindowsCursors) and it appears to me the same error.i use with this code:
Me.Cursor = New Cursor("Patch..")
The problem say:: "{"Image format is not valid. Image file may be corrupted.
Parameter name: stream "}"
edit: I realized what the problem ... It can read only cur files with 24-bit color and lower - but it shows only two colors: black and white.