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Results: 6

1.
Fig. 5

Fig. 5. From: Imaging complex structures with diffuse light.

Reconstructed contrast of the absorption coefficient between the cylinder and the tank vs. the expected contrast.

Soren D. Konecky, et al. Opt Express. ;16(7):5048-5060.
2.
Fig. 6

Fig. 6. From: Imaging complex structures with diffuse light.

Power spectra of the data function |Ψ(q)|2 (defined in the text) for a small absorber located in the center of the tank. The different curves correspond to simulated ideal data, simulated data from finite grids of sources and detectors, simulated data with background noise, simulated data with shot noise, and to experimental data, as indicated.

Soren D. Konecky, et al. Opt Express. ;16(7):5048-5060.
3.
Fig. 4

Fig. 4. From: Imaging complex structures with diffuse light.

Images of the 8 mm bar target from a single experiment. All reconstruction parameters are held fixed except for the number of measurements used. From left to right, correspond to N = 8 × 106, 2 × 106, and 5 × 105 measurements were used for the reconstruction.

Soren D. Konecky, et al. Opt Express. ;16(7):5048-5060.
4.
Fig. 3

Fig. 3. From: Imaging complex structures with diffuse light.

Reconstructed images of bar targets. Only slices drawn at the depth of the actual target are shown. (a) 7 mm to 9 mm bar targets located in the center of the tank. Here d denotes the width of the individual bars in the targets. (b) The 7 mm bar target located 1 cm from the source (left) and detector (right) planes.

Soren D. Konecky, et al. Opt Express. ;16(7):5048-5060.
5.
Fig. 2

Fig. 2. From: Imaging complex structures with diffuse light.

Representative CCD data for the image reconstructions shown in Fig. 1. Each image corresponds to the measured light intensity for a single source beam position. The left column shows the reference intensity I0 when the target is not present (scattering fluid only). The middle column shows the intensity I when the target is present. The right column shows the Rytov data, ϕ = −log(I/I0), which is used in the reconstruction algorithm. (a) The target consists of the letters “DOT” and “PENN” (b) The target consists of the letters “DOT” only

Soren D. Konecky, et al. Opt Express. ;16(7):5048-5060.
6.
Fig. 1

Fig. 1. From: Imaging complex structures with diffuse light.

Slices from three dimensional image reconstructions of the relative absorption coefficient for targets suspended in a 6 cm thick slab filled with highly scattering fluid. The three slices shown for each reconstruction correspond to depths of 1 cm (left), 3 cm (middle), and 5 cm (right) from the source plane. The field of view in each slice is 16 cm × 16 cm. The quantity plotted is (a) Schematics of the positions of the letters during the experiments. Left: The target consists of letters “DOT” and “PENN”, suspended 1 cm and 5 cm from the source plane, respectively. Right: The target consists only of the letters “DOT” suspended 3 cm from the source plane, i.e., in the center of the slab. (b) Reconstructed image of the letters “DOT” and “PENN” (c) Reconstructed image of the letters “DOT”.

Soren D. Konecky, et al. Opt Express. ;16(7):5048-5060.

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