Questions tagged [downsampling]

231 questions
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How can i make 16000Hz sample from 44100Hz sample in a real-time stream?

I use portaudio in a Cpp work. My signal model treats the only 16000Hz audio input and When the First released my work, I don't need to use 44100 sample rate. It was just about 48000Hz microphone. So I resampled my signal like 48000 -> 16000 ->…
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Data manipulation, kind of downsampling

I have a large csv file, example of the data below. I will use an example of eight teams to illustrate. home_team away_team home_score away_score year belgium france 2 2 1990 brazil …
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cnn deep learning for low resolution thermal image using transfer learning

I need to train model for object detection for very low resolution thermal camera without data set. The camera resolution is 32x24 pixels, (the camera is MLX90640) Can I use pre-train weigh? or I need to downsample well known data set, and train it…
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5 answers

how to subset a vector in the way that represent the general shape of original vector in R

I have vectors of different size, and I want to sample all of them equally (for example 10 sample of each vector), in a way that these samples represent each vector. suppose that one of my vectors is…
roan
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How to find which downscaling algorithm used?

I have a very specific problem. I have 2 image sets of the same photos watermarked. One image dataset is 1280x960 resolution. The second dataset is the 640x480 resolution. I am trying to find which downsampling algorithm being used to downscale…
Zek'i B. Ulu
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What is the most efficient way to provide image resources for all densities?

Is it Ok to provide image resources for all densities in Android (LDPI, MDPI, HDPI...) and that the system can choose the appropriate one for each device, or it is more efficient to provide only high resolution ones and downscale them to devices…
TonyL
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