But in some cases, especially when the product uses custom hardware (or standard hardware in a non-standard way), Partner Program members may want to implement the ARRIRAW processing pipeline themselves. In this scenario, the SDK serves as a reference against which the member's developers can test their results before submitting evaluation imagery to ARRI's Workflow Group. Using this approach takes advantage of the luminance resolution, which correlates to the sensor pixel count.ĪRRIRAW SDK and Third-Party Implementations In many cases, ARRI's SDK is fast and adaptable enough to satisfy the processing needs of an application. Generally speaking, a simpler algorithm will process faster, but will also involve a higher probability of color errors.įor VFX, however, the images are often processed using the native sensor pixel count and then downscaled to e.g. The output quality of the image depends on the debayering algorithm. Half of the reconstructed image's green values are interpolated from the surrounding photosites rather than captured, as are three-quarters of the red and three-quarters of the blue. The image above shows a single-channel capture from the sensor on the left, and on the right the reconstructed image facilitating the color filter array. Older ALEXA cameras (ALEXA Classic, ALEXA Plus/Plus 4:3, ALEXA M, and ALEXA Studio) require an ARRI-certified external recorder which understands the T-Link signal. MXF/ARRIRAW is ARRIRAW within a container format (*.mxf), allowing each clip to be contained in just one file, as opposed to several thousand files, because with the regular ARRIRAW format (*.ari) every single frame is a separate file. Our camera line-up supports in-camera recording of ARRIRAW or MXF/ARRIRAW data. This makes ARRIRAW the perfect format for digital cinematography and high-quality visual effects production. The originally recorded raw data remains pristine, always providing the flexibility to go back and refine the results. Like film negative, ARRIRAW data has to be developed – or rather processed – in order to convert the single channel image, which represents the raw Bayer pattern sensor readout, into a color image suitable for normal viewing. ARRIRAW is the only format that fully retains the camera's natural color response and great exposure latitude as unprocessed sensor data. It can be considered a digital version of the camera negative. ARRIRAW is ARRI’s format for uncompressed, unencrypted, and uncompromised sensor data.
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