# On the possibility of a considerable quality improvement of a quantum ghost image by sensing in the object arm

## TL;DR

This paper proposes a modified ghost imaging scheme that improves image quality by combining object arm sensing with ghost imaging, effectively mitigating sensor inefficiencies and noise effects.

## Contribution

It introduces a novel approach to enhance quantum ghost image quality through object arm sensing, addressing sensor inefficiencies and noise impact.

## Key findings

- Improved transmittance estimation accuracy.
- Reduced image deterioration due to sensor inefficiency.
- Effective noise mitigation in quantum ghost imaging.

## Abstract

We consider a modification of the classical ghost imaging scheme where an image of the research object is formed and acquired in the object arm. It is used alongside the ghost image to produce an estimate of the transmittance distribution of the object. It is shown that it allows to weaken the deterioration of image quality caused by nonunit quantum efficiency of the sensors, including the case when the quantum image obtained in the object arm is additionally affected by the noise caused by photons that have not interacted with the object.