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Questions tagged [blobs]

94 questions
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Split a compressed blob (LZW algorithm) in Python

A better version of my last question : I have blob data stored using LZW algorithm in oracle data base which I have to extract using Python and store in MS SQL Data warehouse. The algorithm works fine for smaller documents but it fails for larger…
Doodle
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How do I detect small blobs using EmguCV?

I'm trying to track the position of a robot from an overhead webcam. However, as I don't have much access to the robot or the environment, so I have been working with snapshots from the webcam. The robot has 5 bright LEDs positioned strategically…
death_au
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SimpleBlobDetector exception

I'm trying to write a code for Blob detection and I'm following the tutorial here https://www.learnopencv.com/blob-detection-using-opencv-python-c/ I've just copied and pasted the code Mat im = imread("blob.jpg", IMREAD_GRAYSCALE); // Set up the…
Emanuele Collaro
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Why is my meta data not being rendered properly from azure container/blobs?

When I try and pull my metadata from the blob, it does not show at all. Currently I can upload an audio file, however, I cannot get it to display. The audio file is stored on Azure as blobs in the "PhotoGallery" container under "songsnippets" Using…
Andre Queen
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How to count the number of artefacts in nexus repository manager OSS 3.2.1 in terminal

After upgrading from Nexus Repository Manager OSS 2.14.3 to 3.2.1 I'm not able to figure out how to count the number of artefacts in each repository stored under specific blob store as part of verifying the data upgrade. Counting it manually from…
Sudheesh.M.S
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Detect black ink blob on paper - Opencv Android

I'm new to openCV, I've been getting into the samples provided for Android. My goals is to detect color-blobs so I started with color-blob-detection sample. I'm converting color image to grayscale and then thresholding using a binary threshold. The…
sebasira
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How to feed the weights of the neurons to the blobs in caffe and vice versa?

I am a very newbie to caffe. I have a huge weight vector which contains the weights connecting the neurons of the neural network written in C++. I want to know use this weight vector as to define a neural network in Caffe and these weights will be…
soumali roychowdhury
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Tracking blobs in Aforge

I looked and looked. Does anybody know how to track blobs from Aforge? I know they don't have it implemented but I would really need to use Aforge because of the rest of the code I'm using. I saw some reference to Kalman filtering but I need some…
tomato
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Javascript memory leaks when using canvas and blobs

I'm writing an SVG editor. I have placed a kind of 'Magic Eye' on the page where the user can see the entire SVG draw and the zoomed area around the mouse cursor. Of course the problem is Memory usage and fast rendering. For this reason, step of…
Gildo
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Downloading BLOB file with Oracle and PHP

Using PHP, I'm trying to download a blob file that has already been uploaded to an Oracle 10g database. I've seen and imitated numerous examples I've found. When I access the page a File Download dialog appears allowing me to Open or Save. If I…
user39653
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StartCopyFromBlobAsync does not support destination AccessCondition if the lease is infinite

I am trying to copy a blob from a source location to a destination location under lease. I am using a modified version of AutoRenewLease to be able to do this. Here are the steps in my code Create an empty destination blob if blob doesn't…
Yam
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imfindcircles doesn't track blobs correctly

I'm trying to track marks in a mouse leg using imfindcircles. It works great for the first image, but the others are a mess even though they are very similar. This is the incorrect output. What is wrong with my code? %Array A = [0 0;0 0;0 0;0…
Vitor Magalhães
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SimpleCV blob tight cropping

I have an image of a large number of elliptical objects against a dark background. The objects are oriented in many different directions. I need to extract them so that they are all oriented in the same direction (i.e., horizontally ) so that they…
thiirane
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Determine the tablespace name for a lob

I created four tablespaces like this : CREATE TABLESPACE da_ts; CREATE TABLESPACE db_ts; CREATE TABLESPACE bd_bts; CREATE TABLESPACE be_bts; I created a partitioned table like this create table orders_partitioned(id_dnm number, clob_dnm clob) …
Darzen
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WindowsAzure.Storage 4.3.0.0 Authentication error calling CloudBlobClient.GetServiceProperties()

I'm having some problemas while using the WindowsAzure.Storage API to access the blob storage and get/set the CORS properties. My code is simple, something like: Uri uri = new…
João Pedro 'jota' Martins
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