Medical Imaging TRIZ Cases

See how an always-on image sensor detects heart rate optically from facial blood volume changes

See how NIR-absorbing pigments in textiles create optical contrast with skin, enabling camera-b

See how thermal cameras measure body surface temperatures across multiple thermal zones to calc

See how scheduled cryocooler operation during inactivity periods re-liquefies helium without el

NIR-absorbing pigments in textiles boost contrast with skin, improving low-light camera detection for more reliable vital-sign monitoring.

Room-temperature laser threshold magnetometers replace cryogenic SQUIDs, enabling direct skull placement for clearer MEG signals.

A compact OCT layout enables patients to measure retinal thickness at home with repeatable results, lower cost, and less operator training.

Controlled periodic PaO2 modulation creates a predictable BOLD response, simplifying voxel-level vascular characterization and pathology detection.

A compact OCT setup uses swept wavelengths and simplified optics to let patients measure retinal thickness at home with reliable repeatability.

Defined camera-setting update points limit noise from changing light, improving image-based physiological parameter accuracy.

Periodic camera setting updates limit lighting-change noise, improving image stability for heart rate and breathing detection.

Electromagnetic braking and relay override stop CFG rotors quickly when unsafe speed or phase conditions threaten airframe vibration.

Thermal and radar signals are fused into biometric vectors to detect health events in real time and trigger protective actions in vehicles or other settings.

Fused thermal and radar biometric vectors improve health hazard assessment and confidence scoring for timely alerts or automated actions.

Electromagnetic induction lets MRI receivers detect when a wireless squeeze ball enters or leaves the body coil, improving scan workflow and alerts.

A shortened optical path and swept-wavelength source let a handheld OCT unit measure retinal thickness at home with reliable self-use.

Camera face landmarks and LSTM-reconstructed PPG enable sensor-less HRV estimation for driver drowsiness detection under motion.

A graphene FET switches one active material between photon emission and detection, improving spatial resolution without separate components.

Eye tracking detects when a driver watches only the rear-view screen while reversing, prompting mirror or direct-vision checks to reduce collisions.

Non-invasive phase space tomography maps myocardium at risk and blocked arteries in a unified 2D and 3D diagnostic view.

Non-invasive phase space tomography combines 2D and 3D heart views to localize CAD and myocardium at risk without invasive angiography.

Non-invasive phase space tomography maps myocardium at risk and coronary blockages in a unified 2D/3D view for faster cardiac assessment.

Bias voltage is adjusted from measured overvoltage to offset temperature-driven breakdown shifts and keep optical measurements consistent.

Head-position detection adjusts test sound frequency and amplitude inside the cabin, improving in-vehicle hearing assessment accuracy.

Pulsed high-power tissue spectroscopy limits overheating while processor-based amplitude adjustment removes noise without adding signal distortion.

Reference-beam OCT tracks ear motion phase to measure vibration amplitudes across larger areas with less phase error and shorter test time.

Quantitative skeletal tracking and joint-angle analysis reduce subjective concussion assessment errors and support safer return-to-play decisions.

A head-mounted near-infrared sensor compares left-right brain reflections to flag large vessel occlusion quickly without operator-dependent imaging.

Independently programmable electrode arrays dynamically retune field frequency and firing to treat multiple tumors while limiting heat and nerve stimulation.

Tissue-simulated unit spectra help separate scattering effects from skin spectra, improving non-invasive blood sugar estimation accuracy.

SNR-based pulse estimation rejects motion and lighting interference to output more reliable non-contact pulse readings.

Multiple angled light sources and fixed imaging detect wheals automatically, improving skin test accuracy while reducing manual error.

Objective scalp typing combines sebum and humidity measurements into five groups to improve product recommendations and reduce subjective assessment.

SNR thresholds plus motion and light disturbance checks suppress unreliable contactless pulse readings and extend valid measurement time.

Automated gradeability and quality scoring selects the best fundus autofluorescence image, reducing manual review time and bias.

Polarized diffuse reflectance spectroscopy enables real-time, label-free nerve visualization with higher fidelity than intermittent imaging.

Polarized diffuse reflectance spectroscopy enables real-time, label-free nerve identification during surgery, improving contrast without exogenous agents.

An added magnetic gradient actively drives paramagnetic contrast agents, improving MRI diffusion and perfusion specificity while shortening scans.

Quantitative QUTE-CE MRI maps cerebral blood volume to detect early vascular changes linked to Alzheimer's onset and progression.

fMRI maps the phantom limb brain region and scores VR movement patterns to personalize therapy and better stimulate neural activity.

Radiation-triggered emitter control cuts tracker power and wiring while keeping surgical position tracking accurate enough for disposable use.

Speech data and machine learning replace MRI-heavy review to screen brain language area invasion more objectively, quickly, and cost-effectively.

Multiple musculoskeletal images are co-registered to overlay 3D implants and safe zones, improving THA placement accuracy and joint stability.

Indirect lighting, overlapping cameras, and optional polarizing filters cut implant glare for accurate surgical documentation and traceability.

Adaptive RGB gain control uses skin tone and scene luminance to improve video vital sign detection under changing light.

Geolocation-based risk mapping links traveler location, outbreak data, and predictive inputs to flag disease exposure before symptoms appear.

Regional diffusion MRI coefficients are compared with healthy baselines and counted across altered brain areas to assess myelin change quickly.

Multi-wavelength photoacoustic spectral imaging separates contrast agent regions from hemoglobin-rich tissue despite overlapping absorption spectra.

Combining camera images with non-contact electric field signals improves repeatable skin lesion depth assessment and differentiation.

A camera views the lesion through a dielectric aperture while electric fields estimate volume, enabling repeatable skin depth assessment.

Corneal specular highlights enable reliable eye distance measurement despite blur, helping maintain stereo image quality and alignment.

Deep neural networks turn MR calibration images into landmark maps, setting diagnostic scan parameters without localizers to shorten MRI exams.

Correlates EEG timing with fMRI brain-region data to identify neural activity signatures with both precise dynamics and localization.

Overlay image guidance standardizes angle, distance, and framing so patients can capture consistent wound dressing photos for remote review.

Non-therapeutic waveform sensing predicts ablative PFA fields, helping concentrate energy on target tissue while limiting collateral damage.

Body movement-affected k-space data is selectively re-measured by position and continuity, reducing MRI scan time without harming image quality.

A learned fODF approach generates biologically meaningful tractograms from dMRI data while reducing noise sensitivity and model dependence.

Traditional fluid-status tests can be invasive or physiologically confounded; a portable MR sensor uses muscle-tissue T2 relaxometry for real-time assessment.

Differential resolution preserves central vein detail while reducing peripheral image data for faster processing in handheld venipuncture.

Subject movement and calibration can undermine tube placement; landmark registration and electromagnetic sensing provide real-time path guidance.