Implicit domain adaptation with conditional generative adversarial networks for depth prediction in endoscopy - Scorecard - MDSpire

Implicit domain adaptation with conditional generative adversarial networks for depth prediction in endoscopy

  • By

  • Anita Rau

  • P. J. Eddie Edwards

  • Omer F. Ahmad

  • Paul Riordan

  • Mirek Janatka

  • Laurence B. Lovat

  • Danail Stoyanov

  • April 15, 2019

  • 0 min

Share

Clinical Scorecard: Conditional Generative Adversarial Networks for Implicit Domain Adaptation in Depth Estimation during Endoscopic Procedures

At a Glance

CategoryDetail
ConditionColorectal adenomas and colorectal cancer risk during colonoscopy
Key MechanismsUse of conditional generative adversarial networks (cGANs) for depth estimation and 3D reconstruction of the colon to improve polyp detection and colon coverage assessment
Target PopulationPatients undergoing colonoscopy for colorectal cancer screening
Care SettingEndoscopic procedural setting, specifically colonoscopy

Key Highlights

  • Colonoscopy quality is limited by operator proficiency and high miss rates of precancerous lesions, especially among non-expert endoscopists.
  • Automatic polyp detection algorithms and 3D colon reconstruction are emerging to standardize and improve colonoscopy quality.
  • Conditional GANs enable domain adaptation for depth estimation from monocular endoscopic images, facilitating real-time guidance and training.

Guideline-Based Recommendations

Diagnosis

  • Frequent colonoscopy screening is essential for early detection and prevention of colorectal cancer.
  • Current quality metrics like adenoma detection rate and withdrawal time have limitations in assessing individual procedure quality.

Management

  • Incorporate automatic polyp detection algorithms during colonoscopy to assist endoscopists in identifying precancerous lesions.
  • Develop and utilize 3D reconstruction techniques based on depth estimation to ensure full colon wall observation.

Monitoring & Follow-up

  • Use real-time depth estimation and 3D colon models to monitor the percentage of colon examined during procedures.
  • Train colonoscopists using 3D models to improve quality and consistency of examinations.

Risks

  • High miss rates of precancerous lesions can occur without advanced detection and monitoring tools, especially with less experienced operators.
  • Limitations in current imaging and reconstruction techniques due to tissue reflectivity, limited texture, and deformation during insufflation.

Patient & Prescribing Data

Individuals undergoing colorectal cancer screening via colonoscopy

Enhanced imaging and depth estimation technologies may improve detection rates and procedural quality, potentially reducing colorectal cancer incidence.

Clinical Best Practices

  • Employ machine learning-based polyp detection algorithms trained on large annotated datasets to assist during colonoscopy.
  • Utilize conditional GANs for implicit domain adaptation to improve depth estimation from monocular endoscopic images.
  • Incorporate 3D reconstruction models to provide real-time feedback on colon coverage and guide endoscopists.
  • Encourage collaboration between clinicians and data scientists to develop and validate advanced imaging tools.
  • Make use of publicly available datasets to foster research and improve algorithm development.

References

Original Source(s)

Related Content