Sony FCB camera block
The Black Light Full-Color Network Camera centers on 0.0001Lux low-illumination full-color imaging. It features multi-network adaptation (RJ45 / 2.4G WiFi / 4G full-network compatibility), dual-stream transmission, and remote intelligent alarm functions. It solves the three major pain points of traditional surveillance—black-and-white at night, difficult networking, and passive recording only—and supports networking requirements in scenarios such as security surveillance, robotics, drones, and industrial inspection.
I. The Dilemma of Nighttime Surveillance: Black-and-White and Transmission Difficulties
The surveillance industry has long had a night vision paradox: traditional infrared cameras can only output black-and-white images in low light, losing all color details; while the few devices capable of low-illumination color imaging often suffer from lag and disconnection in network transmission, making remote viewing virtually useless.
The Black Light Full-Color Network Camera integrates full-color night vision and full network functions into a single device, providing a complete chain from imaging to transmission for scenarios such as security surveillance, robotics, and drones.
II. 0.0001Lux Full-Color Imaging: How Is It Actually Achieved?
The reason Black Light Full-Color can output color images in near-total darkness depends on the coordination of three core technical pillars.
1. Large-Aperture Lens: Greater Light Intake
The aperture is like the pupil of a lens, controlling the amount of incoming light. The smaller its F-number, the larger the aperture opening. The F1.0 or larger aperture lens used by the Black Light Full-Color Network Camera means that in the same dim environment, it can take in several times more light than an ordinary F2.0 lens. This is not merely about increasing image brightness; its deeper significance is that sufficient light signal is the raw capital for the image processor to perform color restoration and detail extraction. The large aperture ensures that even in a starlight-like 0.0001Lux dim environment, enough photons still reach the sensor, laying the physical foundation for subsequently generating pure, low-noise color images.
2. High-Sensitivity Sensor: Larger Photosensitive Area
Having sufficient light enter is not enough. How efficiently weak light signals are converted into clear electrical signals is crucial. Here, sensor size and pixel design become key. Starlight full-color USB cameras often use a 1/1.8-inch large-size CMOS sensor. A larger “target area” means each pixel can have a larger photosensitive area. Unlike small sensors that are forced to shrink each pixel size at the same pixel count, a large-size sensor can maintain high resolution while making each pixel a more efficient “light signal collector.”
This high-sensitivity sensor, especially when combined with advanced structures such as back-illuminated (BSI), can improve quantum efficiency and significantly reduce noise that is amplified due to weak signals in low light. It forms a closed loop with the large-aperture lens: the lens is responsible for collecting every trace of faint light in the environment to the greatest extent, while the sensor is responsible for converting these light signals into the starting point of image data with the highest fidelity.
III. Three Core Network Functions
3.1 Multi-Network Adaptation: Wired + Wireless + 4G, Full Scenario Coverage
The first threshold for whether a network camera can be deployed is whether it can connect. The Black Light Full-Color Network Camera provides three layers of coverage in networking methods:
1. Wired Network (Standard)
The Black Light Full-Color Network Camera supports direct RJ45 cable connection, with stable transmission and anti-interference. It supports mainstream protocols such as TCP/IP, UDP, RTSP, HTTP, ONVIF, GB28181, JT1078, and JT808. The core value of ONVIF lies in multi-vendor compatibility—cameras, recorders, and video management software from different brands can communicate with each other based on a unified standard. GB28181 is the common language for connecting to domestic security platforms. Devices supporting this protocol can be directly connected to unified video platforms in industries such as public security, power, and transportation.
2. Wireless WiFi (Optional)
The Black Light Full-Color Network Camera supports 2.4G band 802.11b/g/n protocols and is compatible with WEP/WPA/WPA2 encryption. It is suitable for scenarios where wiring is inconvenient, such as small shops and robots.
3. 4G Full-Network Compatibility (Optional)
For outdoor scenarios without broadband—rural courtyards, orchards and fish ponds, remote base stations, drone video transmission—the Black Light Full-Color Network Camera can work by simply inserting a data SIM card, ensuring remote monitoring is never absent.
The device also supports automatic networking and reconnection after disconnection. After the network recovers, it automatically synchronizes recordings, avoiding missing key footage.
3.2 Dual-Stream: No More Lag When Viewing Remotely on Mobile
The root cause of lag in high-definition remote viewing is bandwidth limitation. The core logic of dual-stream technology is to encode two independent streams from the same video source, each adapted to different usage scenarios [1].
Main stream (HD): Resolution can reach 5MP/8MP. It is used for local NVR storage and PC playback. Even when the image is enlarged, key details such as faces and license plates can still be seen clearly, meeting evidence collection needs.
Sub-stream (smooth): Resolution can reach 1MP/2MP. It is specially designed for remote viewing on mobile phones, with low bitrate and fast loading. Even when using mobile data, real-time images can be viewed smoothly.
3.3 Remote Viewing + Intelligent Alarm: From Passive Recording to Proactive Defense
The ultimate value of network functions is reflected in “being able to respond promptly even when not on site.”
1. Remote Real-Time Viewing
Supports remote viewing on mobile phones and PCs, with image zoom and rotation. It has been connected to the Sanyi Platform and Tongtianxing Platform. Other cloud platforms can be connected on demand.
2. Intelligent Alarm Push
Supports intelligent alarm functions such as human detection, motion detection alarm, video loss alarm, network failure alarm, as well as linked alarm, linked recording, and linked snapshot.
When a suspicious person intrudes into the surveillance area or a moving object crosses a designated line, the camera immediately triggers an alarm push, transforming post-event video review into in-event immediate response.
IV. Split-Body Structure: A Design Born for Integration
The Black Light Full-Color Network Camera adopts a split-body structure—the mainboard and the sensor board are separated. The engineering significance of this design is:
The sensor board can be independently installed in a narrow space (such as a robot head or drone gimbal), while the mainboard is placed inside a body with heat dissipation conditions, connected by a flexible cable. For application scenarios with strict requirements on size and heat dissipation, such as robotics, drones, and underwater equipment, the split-body structure greatly reduces integration difficulty.
FAQ
Q: What is the essential difference between the 0.0001Lux full-color imaging of Black Light Full-Color and traditional infrared night vision?
A: The imaging logic of traditional infrared night vision is: when ambient light is below a threshold, the infrared cut-off filter is removed, and the sensor receives infrared light and outputs a black-and-white image. It solves the problem of seeing, but loses color information. In scenarios requiring identification of clothing, vehicle color, etc., its evidentiary value is greatly reduced. The path of Black Light Full-Color is completely different: it does not rely on infrared fill light, but instead uses the high sensitivity of a large-target sensor combined with intelligent noise reduction to directly output color images in environments with extremely weak visible light.
Q: What problem does dual-stream actually solve in deployment? Can’t we just use one high-definition stream?
A: The problem with using only one stream is that the bandwidth requirement of a high-definition stream is usually 4-8Mbps or even higher, while the available bandwidth of a mobile 4G network during signal fluctuations is often only 1-2Mbps. Forcing high-definition stream transmission for remote viewing results in continuous buffering, lag, or even complete inability to watch.
Dual-stream allows local storage and remote viewing to each get what they need—the NVR records complete high-definition images via the main stream for evidence collection, while the mobile phone smoothly previews via the sub-stream for real-time judgment. The two are from the same data source and do not affect recording integrity. For scenarios that need to satisfy both local archiving and remote real-time response, dual-stream is the most pragmatic engineering solution.
References
[1]
双码流
https://baike.baidu.com/item/%E5%8F%8C%E7%A0%81%E6%B5%81/51648651