Control glare at the optics
The filter helps reduce distracting reflections from regular glasses and sunglasses before they obscure detail in the captured image.
Driver monitoring system · C29N
A clearer view.
A safer driver.
Dedicated attention to the driver. A wider understanding of the cabin. Meet Streamax DMS + DSC.
C29NPurpose-built DMS cameraOn-camera AI processing
Explore the installationInteractive 3D · cutaway
Preparing your cabin viewLoading truck and cameras
The 3D view could not load.
Explore the product and videos below.
C29NDriver’s A-pillar · DMS
DashcamWindshield · road + cabin
Two viewpoints. One driver.
C29N sits on the driver’s A-pillar, with the dashcam mounted on the windshield.
Illustrative installation. C29N housing is a visual representation; select the correct mounting variant for each vehicle.
Focused on the moments
that matter.
Penetrating sunglasses
See beyond
dark lenses.
Infrared imaging helps reveal eye detail behind compatible sunglasses, so dark lenses do not always hide the signs of fatigue.
Visible light: dark lenses can obscure the eyes.
Illustration · compatible sunglasses · choose either view01 / Infrared imaging through sunglasses
Dark lenses.
Eyes still in view.
DMS uses infrared imaging to see eye detail through compatible sunglasses. This is a property of infrared transmission through the lenses, separate from the glare-reduction filter.
Lens material and coatings matter. Infrared-blocking sunglasses can still obscure the eyes and limit fatigue detection.
Watch glasses & reflectionsReducing glares
Less glare.
More useful detail.
Streamax’s patented optical filter helps control reflections on glasses while preserving the driver detail needed for monitoring.
02 / Glare reduction Patented by Streamax
Patented optics.
Clearer driver detail.
Streamax’s patented optical filter is designed to control unwanted glare in the camera’s optical path while retaining a useful infrared image of the driver.
The goal is more than reducing reflections: it is preserving the contrast needed to read eyes, facial movement and safety details as sunlight and cabin conditions change.
Retain useful infrared contrast
Glare control is balanced with image visibility, helping preserve tonal separation across the eyes, face, clothing and seatbelt.
Give monitoring clearer cues
Better visibility of eyelids, facial movement and belt position supports driver-state analysis and makes recorded events easier to review.
03 / Compare the infrared views
Same driver. Three approaches.
The same installed C29N viewpoint in every feed. Compare head tilt, eye closure, sleeping, seatbelt use and drinking, with illustrative AI boxes and alert outcomes.
Now showing 01 / 05
Head tilt
Driver stateFacing forward
Regular DMSStrong reflections obscure the eyes
Reflector filmLess glare · belt & object detail lost
Streamax glare filterLess glare · useful detail retained
Preparing the infrared comparison
The 3D comparison could not load.
Illustrative AI comparisonAmber dashed box: missed alertRed box: alertGreen box: no active alert
The preset demonstrates missed eye-closure and sleeping alerts with Regular DMS, a false seatbelt alert with reflector film after buckling, a bottle mistaken for a phone in the dark reflector-film view, and correct detection and clearing in all shown Streamax scenarios. These are scripted examples, not measured accuracy or a detection guarantee. All three views use the same camera position, viewing direction and field of view as C29N Infrared in Animated Installation. They are black-and-white illustrations of the same 3D scene. The film view deliberately illustrates lost shadow detail: the dark belt and clothing become almost indistinguishable. This is a demonstration effect, not a measured film result.
Compare the three approaches
Control glare.
Keep useful detail.
Compare reduced reflections, overall brightness and the details needed for driver monitoring.
Streamax / Patented technology
Reduce glare. Retain detail.
Streamax’s patented optical filter controls distracting reflections while helping keep the driver’s features visible.
- Helps reveal eyes behind reflective lenses.
- Preserves useful contrast across the driver’s face and clothing.
- Designed for changing sunlight and cabin conditions.
Reflector film / Polarizing type
About 50% light loss*
Reduces polarized reflections, but also removes about half of unpolarized incident light in the ideal case.
- Glare reduction depends on reflection angle and orientation.
- Less light can make images darker at unchanged exposure.
- In low light, compensation can add noise or motion blur, reducing video clarity.
*The 50% figure describes an ideal linear polarizer with unpolarized light; real film transmission varies. It is not a measured C29N-versus-film result. A well-matched polarizer can improve clarity where reflections dominate.
How to read this comparison
The animation illustrates image-quality tradeoffs. Exposure, reflection and fabric-contrast settings are demonstration effects, not measured product performance or detection guarantees. Results depend on installation, lens coatings and lighting.
The reflector-film light-loss explanation refers to an ideal polarizing film. See polarization and light transmission. Sunglasses and reflection footage comes from the supplied C29N launch presentation.
The Streamax advantage
Better together.
By design.
A dedicated view of the driver’s upper body and a wide view of the entire cabin solve different problems. Streamax brings them together.
Read the driver.
C29N frames the driver’s face and upper body, preserving the facial detail needed to monitor eye closure, gaze, head position and fatigue.
Face + upper-body coverage · 3D illustrationClose, carefully positioned optics support detailed driver-state monitoring.
DMS + DSC
See more.
Understand more.
Keep the driver detail. Add a second angle across the whole cabin.
Explore the differenceRead the situation.
The dashcam’s inward-facing Driver Status Camera covers the entire cabin, including the driver, passenger seat and surrounding interior, for behavior detection and event review.
Entire cabin coverage · illustrationA complementary angle can reveal what a steering wheel or a close crop hides.
Buckle up. Clear the alert.
Watch the warning while the belt is unbuckled, then follow the driver fastening it.
C29N · geometric field of viewDSC · geometric field of view
C29N
Dashcam · DSC
C29N · InfraredDashcam · DSC
Preparing the driver and camera views
The animation could not load.
The scenario explanations remain available above.
Road attention
A wider cabin view adds a second angle around the steering wheel.
Drag to explore · cabin cutawayCamera rays are calculated from lens position, viewing angle and the first cabin surface or cabin boundary they meet. The C29N image uses illustrative infrared tones to separate dark fabrics and seatbelt straps. The chosen lens angles and AI overlays illustrate the events; they are not measured product calibration or live AI detections.
DMS + DSC seatbelt integration is documented for AD Plus 2.0. Confirm support for the selected hardware and firmware.
3D asset credits
Facial base by Face Cap, provided to the three.js project (MIT license). Skin reference: “Infinite, 3D Head Scan” by Lee Perry-Smith / Triplegangers, CC BY 3.0. Adapted geometry, skin projection, hair, materials and animation for this illustration.
Hands: WebXR Input Profiles, the hand mesh used by Three.js XRHandMeshModel (MIT license). Adapted surface smoothing, skin materials, driver fitting and object grips.
| What you need to see | Dedicated DMS | DSC | DMS + DSC |
|---|---|---|---|
| Eyes and facial detail | Facial detail within the upper-body view | Wider view, smaller face | Preserves dedicated facial detail |
| Upper body and hands | Driver’s upper-body view | Cabin-wide view of driver and passengers | Complementary viewing angles |
| Seatbelt hidden by the wheel | Can be obstructed | Alternative line of sight | Helps resolve occlusion cases* |
| Eating and drinking behavior | Facial attention and driver state | Hands, food and drink containers | Behavior context alongside facial detail |
| Reviewing a flagged event | Driver-state evidence | Behavior and cabin context | A more complete account |
*Supported integration required. Visibility, installation, lighting and algorithm version affect detection. Two cameras do not eliminate every blind spot.
DSC + extended sensing
Beyond the face.
More of the story.
Pair C29N’s face and upper-body view with cabin AI that recognizes behaviors, body movement and the people on board.
Eating & drinking
Identify food and drink interactions through visible hands, objects and the mouth. Add the action behind a moment of distraction.
More fatigue cues
Complement the dedicated driver view with DSC fatigue analysis and examples of eye rubbing and fatigue-related body posture.
See who’s on board
Extend the cabin view to passenger seatbelt detection and occupancy counting for a fuller picture of the journey.
Capabilities shown in the DMS presentation, slide 4. Availability depends on the selected camera, recorder, algorithm and firmware. Validate the intended functions in your vehicle configuration.
Recorded demonstrations
Real behaviors.
See the difference.
Explore the original presentation footage: C29N imaging, eating and drinking detection, fatigue cues and wider cabin awareness.
Recorded demonstration
Adapting to the driver
Driver position
See C29N imaging as the driver changes posture.
Video could not load.
C29N launch presentation · 2022. Illustrative face highlights added for presentation. Extracted from the supplied Streamax presentations. Recorded examples, not a live feed or a guarantee of performance.
C29N / Dedicated DMS
Flexible mounting.
A purposeful viewpoint.
Designed for the face
Good intelligence starts
with a good image.
01
Face-focused exposure
Face-region exposure control helps preserve useful detail under side lighting, dark clothing and reflective workwear.
02
Intelligent infrared illumination
Intelligent infrared illumination and face-centered exposure help the camera preserve facial detail as lighting conditions change.
03
Deep-learning fatigue detection
The IPC DMS approach combines a learned fatigue probability with accumulated eye closure, rather than relying on one eye-closure rule alone.
Installation and detection considerations
C29N supports dashboard, A-pillar and windshield installation variants. Match the product code to the mounting location. The launch material specifies a 50–100 cm driver distance; validate the full face and belt view in the actual cab.
Infrared-blocking glasses can compromise fatigue detection. Covered eyes or mouth, gloves, glare and occlusions can also limit individual functions. Check the chosen camera, firmware and installation before rollout.
Set up for your operation
Fit the route.
Then fine-tune.
Good deployment combines camera positioning, appropriate alert settings and regular review with the drivers who use it.
Sustained driving and night work put fatigue at the center of the risk profile.
Fatigue priorityHigh
Distraction sensitivityHigh / Medium
Infrared-blocking alertHigh
Suggested tuning directions from the parameter guide, not settings applied to a vehicle. Start a new deployment at Medium, validate in service, then adjust to route and driver needs. Mirror checks and intentional maneuvers must be considered.
Week 01
Observe.
Record alerts and review the driver’s actual state.
Week 02
Balance.
Address false alerts and missed detections.
Week 03
Personalize.
Fine-tune for each route and driver.
Week 04+
Keep improving.
Make regular event review part of fleet operations.