• - Familiarity with Cinematic Mode in the new Apple iPhones

    Familiarity with Cinematic Mode in the new Apple iPhones
    4 Days, 9 Hours ago

    Apple last week unveiled a new generation of handsets including the iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 and iPhone 13 Mini. One of the interesting features that has been added to all four phones of the iPhone 13 family is called Cinematic mode. This feature is designed to make these products a convenient camera for filmmakers and provides a variety of capabilities for capturing professional film videos. This new innovation is in line with the current trend in the smartphone industry in which cameras are evolving rapidly and Apple has also focused on improving its cameras in terms of video capture. Familiarity with Cinematic Mode in the new Apple iPhones

    As you know, the main camera lens aperture in the two more advanced iPhone 13 series phones is wider than last year's models And has increased from f/1.6 to f/1.5. In addition, the pixel size of these two products has been increased to 1.9 microns compared to last year's 1.7 micron pixels. But in addition to all that is interesting, Cinematic mode is probably the most attractive feature of the new series of Apple phones, which is available not only in the two Pro models, but also in the iPhone 13 and its mini version. This mode enables features such as changing the depth of field effect and changing the focus position even after the video has been captured. Apple also invited Oscar-winning director Kathryn Bigelow and Amy Award-winning cameraman Greg Fraser to attend the launch of the new iPhones. Familiarity with Cinematic Mode in the new Apple iPhones

    Cinematic mode allows the user aperture or f-stop ) To change the depth of field after filming. This feature also allows not only to change the object to focus, but also to change the location and subject of the focus. So that the focal point of the frame can be changed professionally. Cinematic mode works as usual in 16: 9 aspect ratio and 1080p video resolution at 30 frames per second. What is different from the usual mode is that instead of the resolution and frame rate, the aperture number is displayed in the upper left corner of the screen, and by tapping on it, you can control the depth of field or by reducing the focal length. Blur the background image or focus on the subjects by increasing the number f. Familiarity with Cinematic Mode in the new Apple iPhones

    When the red button is in cinematic mode Video capture is compressed, the iPhone starts creating depth data for each frame; A process that requires a very fast processor. In the next step, when the camera is capturing video, the iPhone automatically detects people and subjects and then uses neural networks to detect the right time to change focus. For example, when the subject turns his head toward the camera in the film or enters the frame, the focus changes smoothly.

    In the iPhone 13 series, it is actually used to identify and determine the depth of field from A method called stereo disparity is used between wide-angle and ultra-wide cameras; The depth of field map obtained from this process is analyzed by the software and selectively blurs the background and background and simulates the selected focal length. In fact, while the handsets' powerful sensors show less depth of field than their predecessors, the depth-of-field map can blur the background slightly and reveal the depth of the video, using additional computing similar to portrait mode./p> Familiarity with Cinematic Mode in the new Apple iPhones

    As mentioned, users can Change the focus of each part of the scene, or even create a list of items based on your scene design and mezzanine, to focus from one subject to another.

    According to Johnnie Manzari, Apple's human interface designer, the iPhone 13 series cameras intelligently predict and focus on the subject as it enters the frame. This process is done by receiving additional information from the ultra-wide camera. If the subject is looking at one person or another, the camera will automatically focus on that subject, and when the subject looks back, the focus will be on the person again.

    We've seen aspects of this type of technology before, but the way Apple implements it and pays special attention to the overall experience of this method of filming has made it particularly attractive. In fact, after exploring creative digital imaging options to teach autofocus algorithms, we now have a process that creates a better experience than previous models, and from videos recorded with simpler algorithms such as autofocus with the focus of the center frame or near. (Through face recognition), offers better quality. Familiarity with Cinematic Mode in the new Apple iPhones

    Ability to decide on focus and depth The field (after video capture) can revolutionize not only the mobile filming style, but the entire film industry as well, allowing cinematographers and directors to pay more attention to action and moment capture while filming.

    Of course, the quality of the depth-of-field effect is not yet known, but it will probably be similar to capturing wide-angle or wide-angle portrait images, with some limitations. As mentioned earlier, cinematic mode is currently limited to 1080p at 30 frames per second. However, it is possible to use Dolby Vision HDR mode, which intelligently classifies each frame and uses dynamic data to increase the dynamic output amplitude so that HDR video recorded on other compatible devices is flat and shallow. The field is not displayed. This mode also has the benefits of Wide Color Gamut, so the color of the movie is displayed beyond the sRGB range or rec.709 color space. Apple is not the first manufacturer to enter the field of cinematography, and companies such as Samsung and some Chinese mobile phone makers have previously sought to use blend mode in video recording. Some, such as Sony, have specialized in this area and have introduced smartphones with very good control of shutter angle and 10-bit HDR output; Like what Apple has already offered with the advanced Dolby Vision system in 4K/120p quality.

    What has given Apple a new lease of life in this area of color and flavor is the American superpower's attempt to put these features together in a format that can be used by ordinary users; A goal that seems entirely appealing.

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