Algorithm is a method expressed in a finite list of steps of well-defined instructions to process a signal.
3
votes
1answer
48 views
Explanation of LidarBoost Algorithm?
I am trying to understand the LidarBoost algorithm as explained in this paper (PDF warning).
I don't understand how they take the original depth-images $Y_k$ and transform them into the up-sampled ...
1
vote
1answer
43 views
Fisher ratio or F_ratio
I am confused while writing code to implement Fisher’s F-ratio.
Suppose I have 4 speakers, each speaker pronounces 2 words and each word has 3 frames and each frame has 30 sub-bands.
$u$ is mean of ...
0
votes
1answer
36 views
Format location from LPC magnitude
I am confusing when I find the lpc roots magnitude, f1=0.9313, f2=0.9308, f3=0.91 and f4=0.95 but when I look at LPC envelope the f1 is higher than f4 in term of magnitude in dB.
Could anybody explain ...
0
votes
1answer
49 views
what is probability density function (PDF) of periodic signal
anybody knows what is the best pdf for periodic signal ?
I have signal with 480 samples (16000*0.03=480) but I could not find the exact pdf for that. sometimes it appear like 2 mixed Gaussian.
0
votes
0answers
14 views
Multitarget tracking, association issue
I have sensors, and each of them after applying filtering created me a list of objects. I want to do the fusion, and firstly have to perform a proper association to know which objects from various ...
2
votes
0answers
21 views
How to get translation and roation data using 6DOF MPU6150
I am trying to get the position data from an IMU 6 Degrees of Freedom (MPU-6150) board using an Arduino Uno. I am trying Jeff Rowberg’s example MPU6050_DMP6.ino that may be found here.
This is the ...
3
votes
1answer
62 views
How to measure the agreement between to curves?
I have values (plotted below) of expected RSSI values over time that I would like to compare with my measured RSSI values. What I was looking for was a way to quantify it so I can change parameters ...
3
votes
1answer
41 views
object level sensor fusion for multiobject tracking
I want to fuse objects coming from several sensors, with different (sometimes overlapping!) fields of view. Having object lists, how can I determine whether some objects observed by different sensors ...
0
votes
1answer
45 views
Detect when someone has stopped talking
What's an extremely efficient way of detecting when a user has stopped talking into a microphone? When I use systems like Siri it can detect when I've stopped talking almost immediately, even when ...
4
votes
0answers
89 views
How does Songify work?
Does anyone know how does the "Songify" app algorithm work?
There are 2 inputs:
speech (or amateur singing), and
underlying music.
Somehow the speech is altered and mixed into the music. Which ...
-1
votes
1answer
61 views
What could an algorithm look like that iterates through all combinations of two variables to aim at a certain number of entries? [closed]
For background information, see "Some background" further down.
I have a list that looks like this:
Start-Time-In-Seconds;End-Time-In-Seconds
1;2
4;6
12;15
...
...
0
votes
2answers
96 views
FFT Data Array Indexing [closed]
I've been Googling "FIR filters" and "FFT convolution" etc. and I ran across something interesting.
Array Index vs. Pointers:
http://www.bores.com/courses/intro/program/7_array.htm
...
3
votes
1answer
64 views
Chirp z algorithm clarification
I am attempting to implement a chirp z algorithm to handle random sized DFTs, and I can not seem to obtain any meaningful results. I have gone over several write ups and "think" I have a handle on ...
2
votes
1answer
75 views
Texture mapping on a 3D face from 2D face image
I have 3D points (xyz) of a face image and I have 2D face image of the same person.
The 3D points of the face are such that If I project the points to 2D plane, it matches with the 2D face image.
I ...
2
votes
0answers
24 views
Phong Reflection Model Parameters
Question: Can anyone refer me the Phong reflection model parameters for a face image taken for web-cam?
Details:
I am doing 3D reconstruction of 2D images using 3D Morphable Model as in this paper ...
