Is it important to have a depth detection sensor in the phone?

Most smartphones use several cameras on the back panel, among which we can mention ultra-wide and macro cameras. But in the meantime, some phones with depth detection sensors are still on the market. What is this sensor and does it matter at all? We will discuss this issue further.

BingMag.com Is it important to have a depth detection sensor in the phone?

Most smartphones use several cameras on the back panel, among which we can mention ultra-wide and macro cameras. But in the meantime, some phones with depth detection sensors are still on the market. What is this sensor and does it matter at all? We will discuss this issue further.

What is a depth detection sensor?

Depth detection sensors are simply used to determine the distance between the subject and the camera. . ToF technology, which is used for some depth detection sensors, provides higher accuracy and has many applications of this technology in fields such as robotics.

BingMag.com Is it important to have a depth detection sensor in the phone?

A depth sensor, unlike other camera sensors in smartphones, is not capable of capturing photos. In general, these sensors come with the help of the main cameras and are not of much use on their own. Usually, most phones use depth sensors to provide better bokeh (blurring of the background). With this, the subject gets a better effect and is in the center of attention.

In this context, we should mention the TrueDepth sensor in iPhones, which is mainly used for the Face ID system. But when you want to activate the portrait mode with the selfie camera, this same sensor is activated and by providing too much information to the ear, your background becomes matte.

Do we really need a depth sensor?

BingMag.com Is it important to have a depth detection sensor in the phone?

The answer to this question is a simple no. These days, the depth detection sensor is no longer visible on the back panel of many flagship phones. Because without the need for this sensor, phones can bring portrait mode and other similar features.

For example, iPhone X and iPhone 7 Plus were the first iPhones equipped with portrait mode, and they do this without the need They used a depth detection sensor. These two phones were able to do this only by using the information received from the main and telephoto cameras and software processing. Apple has improved this feature since then and now has more to say.

Samsung also used such a sensor in some of its flagship phones for a while, but finally in the S21 series and newer phones. put it aside. Like iPhones, most Samsung phones now use the same main cameras and phone software for portrait mode.

Using this approach, the number of sensors on the back panel of the phone is reduced. This means that the telephoto and ultra-wide cameras can also provide the phone with useful information for blurring the background. So why do we still see these cameras being used when they can also serve as depth sensors? This issue is mostly related to marketing and advertising.

BingMag.com Is it important to have a depth detection sensor in the phone?

Years ago companies fought the battle to increase the number of cameras. They started and day by day the number of cameras placed on the back panel increased. That's why phones don't need a lot of cameras, they used all kinds of cameras just for advertising and making noise. Currently, even among cheap phones, companies show a lot of interest in using unnecessary cameras.

For example, we can point to the Galaxy A03s phone, which, although it is equipped with a triple camera, is only a camera. Its main 50 megapixel is considered useful, and the depth detection sensor and 2 megapixel macro camera are installed only to increase the number of cameras. This means that if Samsung used an ultra-wide camera with relatively good quality instead of these two cameras, users could have a more open hand for photography. But since it seems that the number of cameras is still very important for users, companies usually do not do this.

In general, we should say that in the past when software algorithms were not as advanced as they are today, detection sensors They had more depth of use. But now phones can implement bokeh mode in a very good way using rear panel cameras and advanced algorithms.

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