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Speed of sound estimation review#11

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sarradbira merged 15 commits intomainfrom
sarradbira
Mar 20, 2025
Merged

Speed of sound estimation review#11
sarradbira merged 15 commits intomainfrom
sarradbira

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@sarradbira
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@ValentinCreatis ValentinCreatis left a comment

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J'ai corrigé 2 petites typos, c'est très bien écrit.

@Clarax99
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Je t'ai fait le rebase pour être à jour avec la branch master
J'ai aussi proposé d'écrire les équations en mode latex plutôt qu'en capture d'écran, et j'ai corrigé les quelques typos que j'ai vu sur la route.

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Gloablement révisions mineures, à part la remarque sur le gemfile mais j'en suis pas certaine.

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cette image peut être delete, tu l'appelles pas dans ton post (pas obligatoire, c'est pour chipoter)

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pareil pour celle-ci :)


# Multiple plane-wave transmits for a practical imaging scenario
* Plane wave Tx and focused Rx beamforming.
* ToF shifts are measured through the registration of 2 B mode images acquired at 2 different steering angles using a zero-normalized crosscorrelation to find the vertical displacement $$\Delta y$$: $$\tau = \Delta y / v / cos(\theta) $$
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la formule est bizarre non ? Je sais pas ce que c'st sensé être mais j'ai l'impression que c'est pas bon

$\tau$ values per each cell c were directly generated using ray tracing for calculating L and the same geometric weights L were used in the inverse problem.

![](/collections/images/20250319_SoS/SDRvsFDR.jpeg)
The proposed SDR method provides a visible image quality improvement with respect to FDR.
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rappelle nous ce que ça veut dire l'acronyme SDR peut être ?

@sarradbira sarradbira merged commit 6bf65e0 into main Mar 20, 2025
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@sarradbira sarradbira deleted the sarradbira branch March 20, 2025 09:29
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3 participants