From concept to mass production of vivo X50 Pro "micro-cloud platform" how to shuffle the phone image  vivo x50 pro micro-cloud platform - Hut Mobile

From concept to mass production of vivo X50 Pro “micro-cloud platform” how to shuffle the phone image  vivo x50 pro micro-cloud platform

In recent years, a new trend has emerged in the smartphone industry, that is, more and more manufacturers have begun to launch “concept machines.” The reason why manufacturers are willing to do this is because they want to express their imagination of the future mobile phone form in the form of “concept machine” and the display of ideas on how to break through the existing mobile phone technology again. When it comes to the most active series in the “concept machine” category, vivo ‘s APEX product line maintains the frequency of “annual changes” and has become the most anticipated “vane” in the industry every year.

 

The reason why the vivo APEX series is so popular is that its release every year is not just an empty talk about the concept. Some of the brand-new technologies and designs it displays will definitely appear on the new products of vivo that year. For example, the lifting camera on the first-generation APEX, and the side-screen pressure-sensitive buttons displayed at last year’s APEX 2019 , were applied to the NEX series products of the same year . This year’s APEX 2020 puts the conceptual focus on the mobile phone’s imaging system, and based on the “camera”, a series of vivo’s re-cognition of mobile phone architecture is released. Looking at the current product line of vivo, the “X” series, which is famous for its images, seems to be the product that best fits the realization of the “concept” at this year’s APEX 2020, so is it “under-screen camera” or “micro-cloud platform” “Anti-shake”, the recently announced vivo X50 series gives the answer.

From concept to mass production of vivo X50 Pro “micro-cloud platform” how to shuffle the phone image

Actually, if you think about it, the anti-shake technology of mobile phone images has no greater substantial breakthrough since OIS optical anti-shake. Can the “structural” intervention provide a new anti-shake idea for the entire mobile phone industry? Is it so expensive to embed a “mechanical pan-tilt” into the camera part of a mobile phone just to maintain the stability of the picture? In addition to “stable”, behind the vivo X50 Pro’s choice of “mio-cloud platform”, is there a deeper level of content you want to achieve?

From concept to mass production of vivo X50 Pro "micro-cloud platform" how to shuffle the phone image  vivo x50 pro micro-cloud platform

“Structure” has become a key breakthrough point

As we all know, EIS electronic image stabilization and OIS optical image stabilization are two mainstream anti-shake technologies on mobile phones. The former uses the “acceleration sensor ” (G-sensor) and “gyroscope” on the smartphone to detect the amplitude of the phone’s jitter, so as to dynamically adjust the ISO, shutter and imaging algorithm for blur correction. The picture is cut, so EIS electronic image stabilization does not affect it in any physical way, so it will inevitably cause a loss of certain frame and picture quality.

From concept to mass production of vivo X50 Pro "micro-cloud platform" how to shuffle the phone image  vivo x50 pro micro-cloud platform

The latter is based on the “algorithm” in an appropriate amount of “micro motor” supplemented by physical intervention, you can understand it as a “soft and hard combination” form of anti-shake. The first thing we need to know is that each lens of a smartphone is composed of many components such as a circuit board, a CMOS sensor, a fixed bracket, a lens, an aperture, and so on. OIS optical image stabilization is to install a micro motor that can move in multiple directions inside the lens, combined with the “gyroscope” and “acceleration sensor” we mentioned above, and monitor the real-time The jitter information is converted into an electrical signal, and then the OIS control driver will predict the image offset caused by the tilt based on these data, and then feed the result back to the motor, so that the motor drives the displacement with the same amount of predicted image offset but in the opposite direction. The sensor moves to offset the image shift caused by hand shake.

From concept to mass production of vivo X50 Pro “micro-cloud platform” how to shuffle the phone image

In layman’s terms, OIS optical anti-shake is to use the motor to make your mobile phone lens and the direction of the shake “facing” to cancel each other to achieve the effect of stabilizing the picture. However, the current OIS optical image stabilization also has its own limitations, that is, it can only perform two horizontal and vertical dynamic compensations of “lens shift” and “lens tilt”, which is explained by the coordinate system that everyone understands better. It can only move the X-axis and Y-axis horizontally, so its anti-shake angle and anti-shake range are relatively tight. When it is used to take static photos, it can still be more than enough. Once it is applied to large-scale shaking When shooting video scenes, the effect is somewhat stretched.

So we can often see those who use mobile phones for video creation, most of them will install external anti-shake components such as handheld gimbals, in order to achieve the ideal picture stability. Just like the camera’s telephoto lens, the handheld gimbal is a relatively large peripheral device. Whether it is daily carrying or installing a fixed mobile phone, the process is very troublesome. Since the current “periscope lens structure” can effectively solve the mobile phone implementation With regard to the problem of “optical zoom”, can we use the same idea to build the “yuntai” into the camera structure of the mobile phone to achieve a more stable picture effect? The “micro-cloud platform” technology carried by the vivo X50 Pro has officially made this idea possible.

From concept to mass production of vivo X50 Pro "micro-cloud platform" how to shuffle the phone image  vivo x50 pro micro-cloud platform

  According to the current micro-head structure of “limiting mechanism + double ball suspension + lens + voice coil motor + double S-type FPC cable + T-FPC + magnetic power frame + module carrier and protective cover”, its The overall area is about 5 times the average area of ​​the ordinary main camera. It is the same as transplanting a “telephoto lens”. If you want to embed the “micro gimbal” in your mobile phone, how can you compress its volume while ensuring the effect , Has become the key to the success of this technology, and vivo X50 Pro finally adopted an innovative stacking solution-special-shaped structure magnetic frame to solve this problem.

Taking the magnetic frame as an example, under the premise of ensuring the normal use of the micro platform, vivo will save about 40% of the board area, reduce the thickness by 1mm, and “limit” the distance between the micro platform and the screen to 0.13mm. A stacking solution that balances design and motherboard layout.

When the “volume” problem is solved, how to establish a stable circuit connection between the lens modules becomes a subsequent problem. In this regard, vivo has solved this problem through the “double ball suspension” and the exclusive “double S-type FPC cable”. We can find that the structure of the “micro-cloud platform” is different from the ordinary mobile phone camera module. As I mentioned above, due to the stacking scheme adopted by its module, the “micro-cloud platform” is actually suspended in the fuselage. Between the screen and the traditional camera module, the B2B connection method with strong rigidity is not suitable for it, and it will interfere with the movement of the entire module. The connection is more flexible, which can ensure data transmission and will not interfere with the flexible mobility of the module.

So in the end, we can understand that the micro gimbal equipped with vivo X50 Pro is actually an independent module that has been “packaged intact”. Vivo has tucked it into the camera part of the mobile phone through superb packaging technology, which is why The lens shape of the vivo X50 Pro we see today is arranged from top to bottom “one two one”, in order to make enough space for the “micro-cloud platform”. So far, vivo X50 Pro successfully embedded the “mechanical pan-tilt structure” into the camera of the mobile phone, and through the exquisite double-ball suspension structure, the machine has broken through the limitation of “plane movement” and can be in a certain space Inside, to achieve flexible “dual axis rotation” on the X axis and Y axis, to achieve a more “dimensional anti-shake” effect. Compared with the traditional OIS optical image stabilization, the micro-camera’s image stabilization angle can reach more than plus or minus 3 °, and the range of anti-shake range is 3.2 times that of the traditional OIS optical image stabilization , which is more pure “physical image stabilization” Obvious.

Not “stabilized” for “stability”, but “stabilized” for “picture quality”

 

Understand the principles of the vivo X50 Pro micro-cloud platform, so let us return to the problem mentioned at the beginning of the article-so much expense to move the “cloud platform” into the camera of the mobile phone, is it just to make the picture more “Stable”? It is, but it is not. Obviously, after the mobile phone camera itself can maintain a high stability, based on this, the upper limit in terms of image quality and light intake will be much higher than the previous traditional anti-shake solution.

From concept to mass production of vivo X50 Pro “micro-cloud platform” how to shuffle the phone image

The first is video shooting of the biggest beneficiary of “Weiyuntai”. Today, the development of 5G networks is an unstoppable trend. Thanks to the higher transmission rate of 5G networks, people’s social methods are also changing subtly. Short videos and vlogs have gradually become the mainstream accepted by people. Way, because it is based on grabbing clips from real life, it is often filled with “randomness” in the process of material creation, which will inevitably usher in unpredictable jitter, or it needs to be completed during fast movement Footage shooting. The “flexible image stabilization” of the micro-cloud platform can help you achieve a more stable picture effect at this moment. The “two-axis rotation” is more three-dimensional and multi-dimensional image stabilization than the traditional OIS optical image stabilization, balancing the front, rear, and left With multi-dimensional shaking, the main camera of the X50 Pro is like a center of immovable mountain. When the micro gimbal is working, the entire lens rotates with the CMOS, so let the picture “shake” and “micro gimbal” The mechanical structure can be balanced in the first time. Of course, the most important thing is that because there is not too much participation of the algorithm, it will not involve the “crop” of the picture, so the final video quality and real show Compared with the scene, it can be said to be almost “lossless”.

From concept to mass production of vivo X50 Pro “micro-cloud platform” how to shuffle the phone image

In terms of static proofs, the “Weiyuntai” has a more stable anti-shake effect, which further enhances the X50 Pro’s ability to shoot at night. We all know that when shooting at night, slowing the shutter speed can make the photo get longer exposure, and the final brightness of the proofs will also be greatly improved, but at the same time the problem is that the time after the shutter is pressed Inside, the lens of the mobile phone is absolutely immovable, otherwise the picture taken will be blurred, which is why the “long shutter mode” is generally called “the tripod night scene mode” in the mobile phone, because there is a tripod Help can ensure the stability of the picture during the period of pressing the shutter. With the “micro-cloud platform”, we can make the X50 Pro detach from the tripod and directly trigger the “tripod night scene mode” of the mobile phone by holding it, enabling a longer exposure time, so as to obtain a more quality night Take proofs, without worrying about “hand shaking” and affecting the final production rate.

From concept to mass production of vivo X50 Pro “micro-cloud platform” how to shuffle the phone image

  Of course, vivo also customized the Sony professional Color Filter for the X50 Pro’s micro-camera main camera itself , which further improved the light intake and image quality of the lens itself, and strengthened the “micro-camera” in static photo shooting Excellent performance at the time.

From concept to mass production of vivo X50 Pro “micro-cloud platform” how to shuffle the phone image

From concept to mass production of vivo X50 Pro “micro-cloud platform” how to shuffle the phone image

Write at the end

In fact, everyone should understand here. The biggest advantage of vivo X50 Pro micro-cloud platform and what it wants to emphasize is “how stable”, but its physical anti-shake design can ensure the picture is “stable” at the same time. , To further improve the “picture quality”, after all, whether it is photos or videos, the final “eye-catching” effect determines the success or failure, “micro-cloud platform” has a larger and more flexible anti-shake than OIS optical image stabilization Shake the space, so it is more suitable for shooting video, and more calmly shooting night scenes.

Vivo realized that with the advent of the 5G era, video creation has gradually become a part of national entertainment, but at the same time, Vivo also realized that the success of the algorithm is also an algorithm. At present, the mobile phone image relies heavily on the setting of the algorithm and its development has fallen into a bottleneck. Through more direct “physical structure” intervention, supplemented by the optimization and support of small algorithms, it may bring new changes to the entire industry, and vivo X50 Pro may really be able to reshuffle the mobile phone images now with the “micro-cloud platform” Specifications.

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From concept to mass production of vivo X50 Pro “micro-cloud platform” how to shuffle the phone image  vivo x50 pro micro-cloud platform
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