Felix Wechsler

icon indicating a website link https://felixwechsler.science

icon location EPFL, Lausanne, Switzerland icon location My passion is combining optics with computer science. Currently PhD @ LAPD

Results 62 issues of Felix Wechsler

Subpixel shifting a `delta` peak

5 comment

Hi, a single pixel in the digital domain should correspond to a sampled sinc function in the center, right? But why is the following not the same. `sinc(x .- 0.5)`...

Reverse gradient works with CPU + KA but errors out after ~minutes with error on CUDA + KA

3 comment

Hi, the following is veeeery slow on CUDA and also errors out: ```julia julia> using CUDA, Enzyme, RadonKA, DifferentiationInterface julia> function main() arr = Array(rand(Float32, 256, 256, 32)) angles =...