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Questions tagged [blobs]

94 questions
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CBlobResult gives pains. Using Visual C++ 2008. OpenCV

When I type the following code line.. where img_hsv is a Mat image... IplImage abc=img_hsv; // object that will contain blobs of inputImage CBlobResult blobs; // Extract the blobs using a threshold of 100 in the image blobs =…
Kaushal
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how can i apply blob extraction on an edge image?

I have an edge image and I want to do Blob (object) detection , i have tried do typical blob analysis with CvBlob but the result is poor(i'm working with OPENCV ) here is an example of and input image. http://postimg.org/image/6uvzhdqad/
ELYAS
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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 get the error : blobs.draw() AttributeError:…
GradStudent
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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 up/down in parallel. However, if you are dealing…
pghtech
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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: libcxcore.so.1: cannot open shared object file: No such file…
sankar
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MySQL Blob not showing up correctly

Hi I asked a similar question earlier about retrieving an image from a MySQL database Blob. I am using code as: header("Content-type: image/jpeg"); // change it to the right extension print $image; //where image is the blob file This code is…
user214285
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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']; print("
"); echo$row['details'];//blob…
Abdullah Farook
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How to detect human using findcontours based on the human shape?

I wanna ask how to detecting humans or pedestrians on blob (findcontours)? I've try to learn how to detecting any object on the frame using findcontours() like…
Shabanzo
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Updating MySQL Blob Field

I'm trying to update several BLOB fields from a value stored in another row in the same table: UPDATE users SET user_permissions = ( SELECT user_permissions FROM users …
Guillermo Phillips
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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 driving towards it and turning left/ring to keep the…
Mark
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Can't show BLOB from php myadmin in UIImageView

We are using some images in our app from our database. We are putting them to BLOB via encoding to base64, and then getting by decoding. The problem is, that all images we are putting from android app, we are getting normally to android app, but…
Sergey
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Output blob from mysql

I'm having a wierd problem with PHP/MySQL. I have uploaded into a BLOB a word document. Its successfuly and if (say using SQLYog) I open and save the BLOB as a file it will open perfectly in Open Writer. However the minute I try to output the data…
user1924004
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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 blobs in image.image_o are all correctly stored and…
John Buckwell
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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 an id and a read-only blob of between 256 to 64k…
ChrisM
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using ConnectedComponentsLabeling to get the connected items

Is there a way to get the connected objects using connected component labeling in aforge.net? I know how to label the objects but is there a way that i could iterate through each an every connected component in a particular image?
Mr.Noob
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