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BlueBee77


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18 total contributions since 2015

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Question


How to count number of blobs/person in a frame by frame video
I am doing abject detection from a video in Matlab. The algorithm is working perfectly as i am using a for loop for blob countin...

más de 3 años ago | 1 answer | 0

1

answer

Question


Relative position of a point with respect to centroid
I have a point e.g, (2,3) and centroid e.g., (8,9). How to find *relative* position of this point X and Y with respect to centro...

más de 3 años ago | 1 answer | 0

1

answer

Question


Velocity of moving object at x and y axis
I want to calculate the velocity and acceleration of a moving object. I have the centroid value and i am calculating the distanc...

más de 3 años ago | 2 answers | 0

2

answers

Question


Assigning labels to the detected points
I am working on tracking a human. I have calculated the centroid and points(Head,hands and legs). Depending on the image, these ...

más de 3 años ago | 1 answer | 0

1

answer

Question


How to plot boundary on video frames called inside step() function
I am calling some images inside for loop and then doing some processing on those images. After that i am using a step function t...

más de 3 años ago | 0 answers | 0

0

answers

Question


Finding difference of an array in circular manner
I am working on a vector res= {6,28,158,224,303,307,311,316,501,715} and finding differences of each elements. If the difference...

casi 4 años ago | 1 answer | 0

1

answer

Question


Taking mean of values whose difference is smaller
I have an array like [81,144,146,214,261,267,339,458,580]. In this array there are some elements whose difference is smaller e.g...

casi 4 años ago | 1 answer | 0

1

answer

Question


PLease help me with filling the gape after doing simple subtraction of these images
I am trying to do background subtraction,by simply subtracting two image. However the resultant image has some gape. Can anyone ...

más de 4 años ago | 2 answers | 0

2

answers

Question


Merging/connecting blobs that belong to same object
I am doing background subtraction and trying to extract the foreground object(humans). The problem is that when i am trying to c...

más de 4 años ago | 1 answer | 0

1

answer

Question


Removing gaps between the boundary or filling inside the boundary
Can anyone help in how to join the discontinuous boundary of this image. And how to fill inside this boundary. the image is obta...

más de 4 años ago | 1 answer | 0

1

answer

Question


How to get a perfect human silhouette
I am using vision.foregroundDetector and vision.blobAnalysis to extract blobs(Human) from an avi video. The extracted blobs are ...

más de 4 años ago | 0 answers | 0

0

answers

Question


Files not read in correct order
Hi! So i am having a problem. I am reading a number of files from a directory in Matlab. The file are named as crop1.jpg crop2...

más de 4 años ago | 1 answer | 0

1

answer

Question


Easy way of finding zero crossing of a function
I am trying to find zero-crossings of a function in Matlab and plot the points where zero-crossing occurs. However, i am not abl...

más de 4 años ago | 6 answers | 1

6

answers

Question


Drawing line from center to other three points
I want to know if its possible to draw lines from a vector which has two points and is the central point to another vector that ...

más de 4 años ago | 1 answer | 0

1

answer

Question


How to find the maximum radius and connect it to the centroid
I want to connect the connect the center point to the five points(head, hands, legs) for the attached figure of a human. I have ...

casi 5 años ago | 1 answer | 0

1

answer

Question


Processing sequences of images with videoFileReader matlab
Is it possible to read a sequence of images which change over time with VideoFileReader. And further use them with vision.foregr...

alrededor de 5 años ago | 0 answers | 0

0

answers

Question


/bin/bash: qhull: command not found (Matlab)
I am using Matlab 2014b on mac yosemite. I am trying to compile this code skeletonizing using voronoi <http://www.mathworks.com/...

alrededor de 5 años ago | 1 answer | 0

1

answer

Question


Can we plot the boundary of an image??
I am working on a project of object detection (Human). I have segmented the foreground and have calculated boundaries and centro...

más de 5 años ago | 3 answers | 0

3

answers