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Argosphere Dual-Lens 360° Panoramic Video Module, Sony IMX477 Sensors, 28.05 FPS Real-Time Stitching, 33ms Latency, V4L2 & Web HTTP MJPEG Output
- -Dual-Lens 360° Panorama: Equipped with dual Sony IMX477 HQ sensors and back-to-back 220° fisheye lenses, providing a full 360-degree field of view with a 40-degree spatial overlap zone.
- -Software Frame Synchronization: Utilizes a libcamera-based software Master-Slave Phase-Locked Loop (PLL) mechanism to dynamically adjust frame cycles, achieving dual-camera timing variance under 100 s without physical synchronization cables.
- -GPU-Accelerated Zero-Copy Pipeline: Raw NV12 frames are bound directly to GPU memory via DMABUF zero-copy mapping, performing grid mesh fusion and EGL rendering in a single pass to achieve 28.05 FPS steady-state performance.
- -Real-Time Low Latency Processing: Delivers an end-to-end rendering latency of 33 ms (GPU single-frame fusion in 2729.5 ms) utilizing distance-transform Gaussian seam feathering (5055 px).
- -Flexible Access & Integration: Supports web browser MJPEG streaming via HTTP (port 8080) and standard V4L2 virtual camera nodes (/dev/videoX) for integration into Linux-based systems.
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Product Features
Dual-Lens 360° Panorama: Equipped with dual Sony IMX477 HQ sensors and back-to-back 220° fisheye lenses, providing a full 360-degree field of view with a 40-degree spatial overlap zone.
Software Frame Synchronization: Utilizes a libcamera-based software Master-Slave Phase-Locked Loop (PLL) mechanism to dynamically adjust frame cycles, achieving dual-camera timing variance under 100 s without physical synchronization cables.
GPU-Accelerated Zero-Copy Pipeline: Raw NV12 frames are bound directly to GPU memory via DMABUF zero-copy mapping, performing grid mesh fusion and EGL rendering in a single pass to achieve 28.05 FPS steady-state performance.
Real-Time Low Latency Processing: Delivers an end-to-end rendering latency of 33 ms (GPU single-frame fusion in 2729.5 ms) utilizing distance-transform Gaussian seam feathering (5055 px).
Flexible Access & Integration: Supports web browser MJPEG streaming via HTTP (port 8080) and standard V4L2 virtual camera nodes for integration into Linux-based systems.
| Item | Specification |
| Compute platform | High-performance embedded compute platform (8 GB RAM) |
| Operating system | Linux 64-bit (Linux 6.6 kernel), pure headless DRM/GBM EGL rendering |
| Image sensors | Dual Sony IMX477 HQ cameras, CSI-2 wired to both mainboard CAM ports |
| Optics | Dual M12-mount 220° fisheye lenses, 13 mm baseline back-to-back |
| Lens distortion model | Equidistant fisheye (r = f·) + Kannala-Brandt 4th-order radial polynomial |
| FOV & overlap | 220° ultra-wide, 40° spatial overlap |
| Input resolution | 1536 × 1536 (fast profile) / 2028 × 1520 (native profile) |
| Panorama output | 2048 × 1024 (standard 2:1 equirectangular), native mode configurable to 4096 × 2048 |
| Steady-state frame rate | 28.05 FPS (rated 30 FPS); high-res native profile 18 ~ 20 FPS |
| End-to-end latency | 33 ms (GPU single-frame render 27 ~ 29.5 ms) |
| Sync offset | < 100 s (measured min -2 s) via libcamera software master-slave PLL |
| Sync method | No physical sync cable and no external trigger chip; frame period trimmed dynamically |
| Seam handling | Distance-transform Gaussian feathering 55 px (fast) / 50 px (native), optimal midline auto-located |
| Spherical mesh | 180 × 360 lat-long slices, 65,341 vertices, 129,600 triangles |
| Capture format | NV12 (Y / UV dual plane), libcamera native DMABUF zero-copy mapping |
| Render output format | BGRA / BGR (channel order straight from the shader) |
| Streaming & access | Web HTTP MJPEG (port 8080), V4L2 virtual camera node, direct frame tap for algorithms / recording |
| Form factor | Prototype unit (final enclosure per project) |
Warranty & Returns
Warranty, Returns, And Additional Information
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- Return for refund within: 30 days
- Return for replacement within: 30 days
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