Aug 10Cumulative HistogramPhotogrammetry-1 — I had previously written about Image Histogram here: Image Histogram Photogrammetry-1thanifbutt.medium.com A cumulative histogram sums the number of pixels having the current value or smaller than the current value. The following function computes the cumulative histogram def cumulativeHistogram(hist): """The function takes as input a histogram [np.array] and returns the cumulative histogram [np.array]""" cum_hist = np.zeros((256,1)) for i in range(256): cum_hist[i] = sum(hist[:i+1]) return cum_histComputer Vision1 min readComputer Vision1 min read
Jul 9Image HistogramPhotogrammetry-1 — I am taking the Photogrammetry-1 course by Prof. Cyrill Stachniss which is available here: I have recently worked on Image Histogram as an assignment. Today, I will be talking about the same. A histogram is basically a graph with intensity values on x-axis while the number of pixels having…Histograms1 min readHistograms1 min read
Jun 28Reading CAN DataDBC files — I have written an article on CAN bus here: CAN Bus Controller Area Network Busthanifbutt.medium.com Today, I want to talk about DBC files. The CAN signals are recorded using different data loggers like M-Logger. The signals are stored in different formats like a blf file. In order to read a blf file, we need a dbc…Controller Area Network2 min readController Area Network2 min read
May 25CAN BusController Area Network Bus — So, nowadays, I am working on CAN (Controller Area Network) Bus data. What is CAN Bus In most vehicles, different Electronic Control Units (ECUs) are responsible for various operations such as an ECU for brake pedal pressure. These ECUs communicate with each other through the CAN Bus. Why it is important It’s important because we can model vehicle…Controller Area Network1 min readController Area Network1 min read
May 6Hello World in JuliaJupyter Notebook — I had to choose a topic for my presentation so I chose Julia. Starting off by installing it. Here are the steps to add Julia to Jupyter Notebook: Download Julia through this. Open the Julia command line and write: using Pkg Press Enter Then type: Pkg.add(“IJulia”) Press Enter Wait for the installation to complete. Create a new notebook in Jupyter. Select Julia as the kernel. Write this command in a cell: println(“Hello World”) Run the cell.Julia1 min readJulia1 min read
Apr 13How to write a Motivation LetterMy first lecture during PhD — So, I have just given my lecture as part of a module of a compulsory course which I am taking. The task was to design and deliver a lecture on a topic of our choice using active learning which means to engage the audience in some form of activity instead…Motivation Letter4 min readMotivation Letter4 min read
Mar 25My First Course as a PhD StudentIntroductory Course for PhD Students — So, I started my PhD in January. I came to Sweden on 1st February. While I was applying for the position, I thought that as Sweden is in Europe so there will only be research work without any course work but after coming here I got to know that I…PhD1 min readPhD1 min read
Feb 24LibrariesC++ — Libraries are collection of symbols or collection of function implementations. Basically multiple object files that are logically connected. There are 2 types: Static and Dynamic. Static end with .a while dynamic end with .so Header file for declaration of a function as .hpp file .cpp file the main program including .hpp…Cplusplus1 min readCplusplus1 min read
Jan 26Compilation ProcessC++ — Compilation includes 4 steps 1. Preprocess 2. Compile 3. Assemble 4. Link Preprocess clang++ -E main.cpp>main.i Preprocess includes codes for files, removes comments, header and expand macros. Compilation clang++ -S main.i Generates main.s file. Assembly clang++ -c main.s Generates main.o file. Linking clang++ main.o -o main Generates main as executable file. That’s it for now. See you later.Compilation1 min readCompilation1 min read
Dec 8, 2022Motivation LetterPhD Application — So, I have accepted an offer for a PhD position in Sweden. While I was applying for PhD positions, I wrote a couple of Research Proposals along with a Motivation Letter. I have previously written about my Research Proposals here: Research Proposal An end-to-end model for Autonomous Drivingthanifbutt.medium.com Research Proposal 2 Unmanned Aerial Vehicle (UAV) Visual Perception for Safe Landingthanifbutt.medium.comMotivation Letter3 min readMotivation Letter3 min read
