Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Single-pixel 3D imaging with time-based depth resolution   Time-of-flight three dimensional imaging is an important tool for many
applications, such as object recognition and remote sensing. Unlike
conventional imaging approach using pixelated detector array, single-pixel
imaging based on projected patterns, such as Hadamard patterns, utilises an
alternative strategy to acquire information with sampling basis. Here we show a
modified single-pixel camera using a pulsed illumination source and a
high-speed photodiode, capable of reconstructing 128x128 pixel resolution 3D
scenes to an accuracy of ~3 mm at a range of ~5 m. Furthermore, we demonstrate
continuous real-time 3D video with a frame-rate up to 12 Hz. The simplicity of
the system hardware could enable low-cost 3D imaging devices for precision
ranging at wavelengths beyond the visible spectrum.

2
The categories of this paper are: math
32
The categories of this paper are: atom-ph
9
The categories of this paper are: nlin
17
The categories of this paper are: q-fin
24
The categories of this paper are: dg-ga
5
The categories of this paper are: gr-qc
34
The categories of this paper are: chem-ph
1
The categories of this paper are: cs
36
The categories of this paper are: cmp-lg
23
The categories of this paper are: solv-int
0
The categories of this paper are: hep-ph
16
The categories of this paper are: stat
22
The categories of this paper are: chao-dyn
19
The categories of this paper are: eess
26
The categories of this paper are: bayes-an
18
The categories of this paper are: econ