The blobs tag has no wiki summary.
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Best way to count number of “White Blobs” in a Thresholded IplImage in OpenCV 2.3.0
I need to count the number of white blobs in a Thresholded image. I'm counting small squares on a marker. But due to the poor image quality of the webcam, these squares don't appear as squares. This ...
2
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2answers
3k views
MySQL / PHP Drag and Drop File Upload
I am looking to upload files into a MySQL database using a drag and drop application. Any ideas?
I want to be able to drag a file into the browser and then type in a file name.
THANKS!
1
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1answer
98 views
Function to add to bytea blob in postgresql
I'm loading a large amount of files (binary data) into a Postgres database (the files being stored as blobs in the db).
One way I found was to use Large Objects, which works nicely. However, for ...
1
vote
1answer
445 views
ORACLE BLOB to FILE
I am writing some pl/sql to generate pdf reports that are stored as blobs in an oracle table. I need to loop through this table which has a column for filename and blob and write the blob to the OS as ...
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1answer
2k views
Uploading Image from gallery to remote server (Titanium-android)
I am developing android application using titanium and in my application I need to upload image from gallery to remote server location.I already tried this
...
android
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1answer
1k views
Opencv + blobs in python
I need a bit of help with blobs in opencv (python).
This is the thing:
I've already written the preprocessing functions that work properly, they isolate the areas of interest and return a ...
0
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1answer
23 views
Getting error with findBlobs() in simpleCV
I am converting an OpenCV image to SimpleCV via simple Image(opencv_image) call and using Image.findBlobs() to get the blob. However, I can not get the bounding box using Blobs.getBoundingBox() as I ...
0
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1answer
21 views
Everyone points to Azure block blobs for streaming images, but would page blobs every be a better fit?
So I have implemented and know how easy it is to stream images from block blobs to a client. I am also aware of the documentation on block blobs pointing out that they were designed to be streamed ...
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1answer
163 views
Retrieving BLOB Data from MySQL Database
I am trying the following simple code.query is working but showing data of BLOB field unusual. How can I fix it?
while($row=mysql_fetch_array($result))
{
echo$row['hline'].$row['date'];
...
0
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1answer
350 views
What method should I use to track a moving object with a moving camera (using resources of RaspberryPi)
I'm playing around with motion detection through a webcam connected to RaspberryPi using OpenCV and cvBlob in C++. I want to kick it up a notch and make a robot that detects and tracks movement ...
0
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1answer
342 views
How can I store an image as a blob in the database?
I am trying to write a function to process images in mySQL / PHP but cannot work out how to store the results. I have included a stripped down version of the code to demonstrate the problem.
The ...
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0answers
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how to solve “ImportError: libcxcore.so.1” error while installing blobs package
I have an problem while trying to install opencv blobs package on ubuntu12.04.i'm not able to install it. i'm getting the below error which i mentioned.
import _BlobResult
ImportError: ...
1
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0answers
275 views
Generating Binary File in Javascript using Blobs and appending to it in a loop
I'm following a file specification to generate a binary file in javascript using blobs and arraybuffers. Everything was going well and I had the following blob:
var bb = new Blob([fileSig, version, ...
1
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0answers
239 views
undefined reference to BlobAnalysis in class CBlobresult
I am working on traffic surveillance system and now I want to detect no. of cars and classify them according to their size.I used average method to get cars as blobs and now I am trying to draw ...
1
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0answers
204 views
Converting meshes to metaballs
I'm doing a project where I need to convert an existing polygonal mesh into a static shape made from metaballs (blobs). I have voxelized the mesh with binvox to "a .raw file" (according to the ...
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0answers
7 views
A function to read blob using database query
I have made this code for reading a blob from the database. The problem is that it's giving the output as:
Exception in thread "main" java.lang.NullPointerException
at ...
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0answers
146 views
.Net - Retrieve/Attach file saved in sql server database as blob to an email
Iam developing web application ASP.Net that create email templates and save them and their versions in Sql Server Database, these templates can have attachments which iam thinking to store them in DB ...
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0answers
50 views
Clojure noir.io (upload-file) and Blob objects
I'm writing a web app and trying to use noir.io's upload-file function to store [object Blob]s in a folder. However, when I attempt (upload-file target-path blob) Clojure throws a null pointer ...
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0answers
51 views
Blobs in OpenCV
I'm interested in this post. I tried to follow the instruction but I get these errors.
What I want to know is
How to fix this errors
I would like to have a rectangle to be drawn around the mask ...
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0answers
86 views
move-stop-move Blob Tracking
I need to build a blob tracker that works with move-stop-move events. Say a human walking into camera FOV, stops and stands still for a while, and moves again..rinse/repeat. What algorithms exist to ...
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0answers
57 views
jdbc Blob.length() and file size on mysql
If I am storing a file in a BLOB then doing Blob.length(), will I be getting the original file size? If not, is there some other way to get the original file size from a BLOB without saving it ...
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0answers
184 views
Reading chunks from an SQlite blob when a chunk might span two blobs
I have a situation where I need to read arbitrarily-sized (but generally small) chunks of binary data from an SQlite database. The database lives on disk, and the data is stored in rows consisting of ...
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0answers
282 views
Viewing blobs in an ASP page
I have blobs stored in an access database, that I'd like to allow downloading or viewing in vb.net.
The blobs have different formats, images, audio, word files etc.
I've been looking around, and all ...
