From Lane Departure to Blind Spots: Inside ZESTECH
Lane-Level ADAS and 360 Degree Panoramic AI

Advanced driver assistance is no longer limited to factory-built cars. Running on a dedicated automotive platform with 8 TOPS of NPU compute, the ZESTECH system watches the road ahead and the space around the car at the same time — six lane-level warnings from a front camera, four AI detections from a four-channel 360 view, and one clean interface on the head unit.

The 360 panoramic AI view: four fisheye cameras stitched into one surround image, with AI detection running on top of it.

See It Working: 15 Seconds of Real Road Footage

Specifications are easy to write and hard to trust. The clip below is shot in a real car: lane-level ADAS tracking the road ahead, 360 panoramic view rendering around the vehicle, plus DMS, BSD and DTS running at the same time on one head unit.

What ADAS Actually Means in an Aftermarket Head Unit

ADAS – Advanced Driving Assistance System – uses sensors already mounted on the car (cameras, and in some installations radar and satellite navigation) to sense the surrounding environment continuously while driving. It identifies, detects and tracks static and dynamic objects, combines that with map and vehicle state data, and warns the driver before a situation becomes dangerous.

The catch is compute. Visual algorithms of this kind need a lot of it: object detection, lane-line fitting, distance estimation and trajectory prediction all have to run frame by frame without dropping frames. That is why most aftermarket units simply do not offer ADAS – the platform cannot keep up.

Two Independent Functions, Two Activation Codes

A detail that surprises many first-time buyers: lane-level ADAS and 360 panoramic AI are two separate functions. They use different activation codes, and they can run independently or simultaneously – depending on which cameras you install and which licenses you buy.

Detection area schematic: front lane-level ADAS, front + rear lane-level ADAS, 360 panoramic AI, and the combined 360 + lane-level layout.

Lane-Level ADAS: Six Warnings From One Front Camera

The lane-level function is implemented through a specialised front-facing camera mounted on the windscreen. Everything below runs from that single video stream – plus a rear camera if you choose dual-channel.

Lane-level ADAS effect display: vehicle and lane line overlays, 3D dynamic car model, and traffic sign recognition on the same screen.

FCW – Forward Collision Warning

When vehicle speed is above 30 km/h and the system calculates that the gap to the vehicle ahead has fallen outside the safe distance, an early warning is issued before the gap becomes critical. The warning threshold can be tuned through a sensitivity setting, so a cautious fleet can be warned earlier and an experienced driver later.

FCW monitors the predicted path and the distance to the vehicle ahead, and warns before the gap becomes unsafe.

HMW – Headway Monitoring Warning

Above 30 km/h, an alarm triggers when the nearest vehicle in front enters the dangerous range. Detection range reaches 50 metres, which gives the driver a usable reaction window rather than a last-second beep.

LDW – Lane Departure Warning

Above 30 km/h, the system warns when the vehicle changes lanes without signalling, crosses a lane line, or drifts inside the lane through fatigue. Sensitivity is adjustable: the smaller the cross-line distance threshold, the more sensitive the warning – useful for long-haul drivers where drift is the main risk.

FSW – Front Car Start Reminder

At a standstill (0 km/h), if a vehicle is detected within 10 metres ahead in your lane and that vehicle then moves beyond the 10 metre range, the system reminds you to pull away – the classic queue-at-a-traffic-light scenario where inattention costs everyone time.

PCW – Pedestrian Collision Warning

Pedestrian detection runs alongside vehicle detection, filtering distant objects on the home UI and keeping attention on first-level objects close to the car body. This is the function that matters most in dense urban delivery routes.

TSR – Traffic Sign Recognition

The front camera reads speed limit, no-entry, no-parking, no-turn and height limit signs. When a speed limit sign is recognised and the vehicle exceeds it, an alarm is output; where several speed limit signs appear at once, the maximum posted limit is used as the reference. Recognised signs are displayed on the interface as a continuous reminder.

RCW – Rear Collision Warning (dual-channel only)

With front and rear dual-channel ADAS selected, the rear collision warning activates. It monitors targets behind the vehicle in real time and warns when a target is approaching rapidly from behind – whether you are driving forward or reversing.

RCW watches the space behind the car and warns when a vehicle closes in too quickly, including while reversing.

360 Panoramic AI: Four More Ways to Avoid a Mistake

The 360 panoramic AI function uses four cameras mounted around the car to collect data continuously, identify, detect and track static and dynamic objects, and calculate what those objects are likely to do next. On top of the stitched surround view you get four independent AI monitors.

Moving target detection: pedestrians, motor vehicles and cyclists are classified separately, and distant objects are filtered to keep the display readable.

BSD coverage diagram: the system tracks approaching traffic, pedestrians and cyclists in the rear blind zone.

One practical note for installers: the 360 function does not require a specific camera model, but the stitching result does matter. Stretched or blurred objects cannot be recognised reliably – after stitching, surrounding objects should appear complete and clear.

Camera Layouts: From One Camera to Five

Choosing a layout is mostly a question of which functions you want to sell. Here is the full range, from the simplest to the complete installation.

Camera installation: the front camera sits in the middle of the windscreen inside the cabin; the rear camera mounts at the license plate position.

Image angle adjustment: front view, set the horizon to the middle of the screen with a little of the car’ bonnet visible at the bottom; rear view, horizon centred, camera angled slightly lower to see closer.

The five-channel kit: four-way 360 cameras with extension cables, one dedicated front ADAS camera, and a one-to-five BMW head wire harness.

Installation and Calibration: Where Accuracy Is Won

ADAS accuracy is not a software setting you can skip. The system needs to know exactly where each camera sits on the vehicle, and it needs a short drive to verify its own geometry. Do it properly and calibration completes in about two minutes of driving.

Pick the Right Calibration Road

If calibration fails, check the parameter values against the measured positions first – an incorrect camera height or offset is by far the most common cause – then restart the calibration run.

Activation: Two Codes, One Account

Activation is handled inside the camera preview interface, and it is deliberately simple enough for a distributor to walk a customer through it over the phone.

For the 360 panoramic AI function, the ADAS capability is an add-on built on top of the 360 function, so it must be used together with a 360 activation code. The order matters: activate 360 first, then activate ADAS. Codes are purchased separately and can be entered manually or by scanning.

For the lane-level function, the ADAS alarm and voice prompt can be switched off independently – handy for demonstration vehicles or for markets where customers want the visuals without the audible alerts.

Other settings worth knowing: you can choose single front-view ADAS or front and rear dual-channel processing; a simulated speed option exists purely for bench debugging; and the enable speed sets the threshold above which warnings become active.

Who This Is Built For

Because the functions are software-activated, the same hardware platform can be shipped with different capability sets per market – a genuine advantage when you are quoting several distributor tiers at once.

· 2026 Shenzhen Zest Technology Co., Ltd. ADAS is a driver assistance system and does not replace attentive driving. Specifications and function availability vary by platform, camera kit and activation code – confirm the current configuration with our sales team before ordering.