Download Apk Google Camera Vivo Y12 ((BETTER))

As some specifications, parameters, or parts of the product may vary due to reasons like supplier change or different production batches, vivo may update the descriptions on this page accordingly without giving any prior notice. Please read this page carefully before use.

The pixel value may vary under different camera modes and is subject to actual usage, and some sample images have been cropped or illustrated with logo removed and are for reference only. Actual shooting results shall prevail.

Download Apk Google Camera Vivo Y12

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Purpose: To identify achievable camera performance and hardware needs in a clinical Cherenkov imaging system for real-time, in vivo monitoring of the surface beam profile on patients, as novel visual information, documentation, and possible treatment verification for clinicians.

Methods: Complementary metal-oxide-semiconductor (CMOS), charge-coupled device (CCD), intensified charge-coupled device (ICCD), and electron multiplying-intensified charge coupled device (EM-ICCD) cameras were investigated to determine Cherenkov imaging performance in a clinical radiotherapy setting, with one emphasis on the maximum supportable frame rate. Where possible, the image intensifier was synchronized using a pulse signal from the Linac in order to image with room lighting conditions comparable to patient treatment scenarios. A solid water phantom irradiated with a 6 MV photon beam was imaged by the cameras to evaluate the maximum frame rate for adequate Cherenkov detection. Adequate detection was defined as an average electron count in the background-subtracted Cherenkov image region of interest in excess of 0.5% (327 counts) of the 16-bit maximum electron count value. Additionally, an ICCD and an EM-ICCD were each used clinically to image two patients undergoing whole-breast radiotherapy to compare clinical advantages and limitations of each system.

Results: Intensifier-coupled cameras were required for imaging Cherenkov emission on the phantom surface with ambient room lighting; standalone CMOS and CCD cameras were not viable. The EM-ICCD was able to collect images from a single Linac pulse delivering less than 0.05 cGy of dose at 30 frames/s (fps) and pixel resolution of 512 512, compared to an ICCD which was limited to 4.7 fps at 1024 1024 resolution. An intensifier with higher quantum efficiency at the entrance photocathode in the red wavelengths [30% quantum efficiency (QE) vs previous 19%] promises at least 8.6 fps at a resolution of 1024 1024 and lower monetary cost than the EM-ICCD.

Materials and methods: One hundred twenty primary molar teeth were assessed by two examiners both in vivo using ICDAS II, radiographic examination, DIAGNOdent pen, CarieScan PRO and SoproLife camera and in vitro using the mentioned diagnostic methods except radiographic examination. In addition, in vitro examinations were repeated 2 weeks later. After sectioning and evaluation under stereomicroscope, the lesion depth was determined with Downer's histological criteria. Sensitivity, specificity, positive and negative predictive value, accuracy and area under the ROC curve were calculated at D1 and D3 thresholds. The intra- and inter-examiners' reproducibility were analysed using Cohen's kappa statistics and intraclass correlation coefficient.

Results: Intra- and inter-examiner repeatability were high for all methods. While ICDAS and SoproLife camera showed the highest sensitivity value at D1 and D3 thresholds in vivo, radiographic examination showed the lowest sensitivity values. While ICDAS and SoproLife camera showed the highest sensitivity values at D3 threshold in vitro, CarieScan PRO showed the lowest sensitivity value.

The vivo V29 inherits the V27's camera system, for the most part. The rear setup contains a 50MP OIS primary and an 8MP ultrawide. While a 50MP front-facing camera is there for selfies. Gone is the 2MP macro camera on the back, replaced by a 2MP monochrome depth sensor.

vivo has replaced the main camera's sensor from the Sony IMX 766 to the Samsung GN5. It's still a Quad-Bayer design (or, rather, Tetrapixel, now that it's a Samsung imager) with an 1/1.56" optical format and 1.0m pixels. The stabilized lens in front of it has the same actual focal length as before, but the EXIF now reports a 23mm equivalent. The aperture remains f/1.88.

The camera app is quite familiar as it is similar to the one seen on the V and X series. There's a straightforward zoom selector with 0.6x, 1x and 2x steps. Accessing the Macro mode is done from the flower icon next to the hamburger menu.

The Pro mode gives you all the freedom to adjust the focus distance, white balance, shutter speed, ISO and exposure. You can do so on the primary and ultrawide cameras. There's an 'i' button where you can get helpful information explaining all of the options in case you are just getting into photography. Shooting in RAW is also an option.

The V29 captures great looking images with its main camera. The lively approach to color science tends to jump at you even from the thumbnails, but somehow we wouldn't say that saturation or vibrance are too much - the photos are just expressive. Overall contrast is high and dynamic range is also nicely wide allowing for good development at the extremes.

The unassuming ultrawide actually captures quite good images. The 8MP resolution isn't a lot and it's not the sharpest lens off-center, but detail is still good in the middle, and there's no noise to speak of. Dynamic range is generally very good, and even the color rendition is very consistent between the two cameras.

The lack of focusing capability on the utlrawide means you won't be getting sharp shots of nearby subjects and there's no dedicated 'macro' camera either. The main camera is able to focus close enough to fill the frame with palm-sized subjects (the red fire truck toy) so maybe that will be good enough.

The ultrawide is a bit of an improvement over what we got out of the V29. Photos are a little sharper now and with better definition in the shadows, though it's not like the V27 set a very high bar for that. Dynamic range is actually quite great and the camera is doing a solid job with color too. Overall, these are decent results given the hardware.

Portrait mode on the V27 can be used at both 1x and 2x magnifications, with the first offering the main camera's native field of view and higher per-pixel quality, and the second giving you the better perspective. The phone will default to the 2x mode. Either way subject detection is generally very competent (though the phone did mess up the wooden wall panelling background at 2x) and the blur level at the default setting is convincing.

The V29's selfie camera is different than the one on the V27 and the use of a wider lens has allowed vivo to implement several zoom levels - 0.8x, 1x, and 2x. Obviously, the 0.8x mode is the native field of view of the camera and the phone reports a 20mm equivalent focal length, which looks about right. Shots have very good sharpness and detail, lifelike skin tones and overall pleasing colors, and nicely wide dynamic range.

Video recording on the vivo V29 maxes out at 4K in resolution on the main camera, where you get 30fps. If you want 60fps, you'd have to settle for 1080p resolution. It's the same story with the selfie camera, while the ultrawide on the back is capped at 1080p30.

You can expect good 4K footage from the V29's main camera in daylight. It's sharp and detailed in the center though it softens up towards the sides, which we didn't observe the same way in stills. Dynamic range and contrast are great, but we can't quite agree with the exposure - half a stop to two thirds of a stop darker makes these a lot better. Colors are lively and the auto white balance doesn't bring weird casts.

The ultrawide is oddly unenthusiastic in its colors when shooting video, in comparison to both the main camera's video output and the ultrwide's stills. We'd also choose a slightly lower exposure here than what vivo is going with. Detail is good for 1080p.

Overexposure remains a thing in in low light on the V29's main camera though at least here it could be argued that it's serving a purpose. Saturation takes a bit of a dip but remains acceptable. Detail is pretty great and we don't mind the noise one bit.

Stabilization is pretty good on the V29. It deals expertly with pans and is nearly tripod-like when shooting from a standstill. Walking does introduce some noticeable shake on the main camera, but not the ultrawide.

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The focal length is a measure of how a lens converges light. It can be used to know the magnification factor of the lens and given the size of the sensor, calculate the angle of view. The native focal length of the sensor cannot be used for comparisons between different cameras unless they have the same size. Therefore, the focal length in 35 mm terms is a better reference.

Shows the magnification factor of this lens compared to the primary lens of the device (calculated by dividing the focal length of the current lens by the focal length of the primary lens). A magnification factor of 1 is shown for the primary camera, ultra-wide cameras have magnification factors less than 1, and telephoto cameras have magnification factors greater than 1. ff782bc1db