... Юля, ткни носом поточнее, где это все? (в том числе и в хелпе)
Cейчас поищу, только это, кажется, не в Хелпе, а на их сайте.
Вот что нашла по этой теме:
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http://www.dxo.com/us/photo/dxo_optics_pro...ing_the_details</noindex>
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http://www.dxo.com/us/photo/dxo_optics_pro...re_optimisation</noindex>
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http://www.dxo.com/us/photo/dxo_optics_pro...icated_lighting</noindex>
Recovering clipped highlights
A common problem in digital photography is clipped highlights, which occurs when pixels have maximum values in one or more of the color channels (red, green or blue). Provided that only one channel is clipped, the software DxO Highlight Recovery feature can restore lost tonal information when working with RAW images by analyzing the ratio of R, G and B colors in adjacent unclipped pixels and making local gamma adjustments to assign new values to the affected area. The result is that natural-looking highlight detail can be retrieved from overexposed areas.
А вот это цитаты из мануала на стр 26:
DxO Lighting is a ”pixel-precise” image segmentation algorithm that provides automatic local contrast adjustment, thereby revealing hidden detail in dark areas. Simply put, DxO Lighting first breaks down the image into a number of zones in which luminance values have a certain range. It then processes each of these areas in the most effective manner possible to reveal lost detail. In general terms, brightness and tone curve slope are increased slightly in dark areas to bring out detail, while avoiding the signal clipping that can occur if the overall gamma level of the image is adjusted.
The ”Black point” and ”White point” sliders operate in a complementary fashion. Each has a range from 0 to 255, or you can enter a whole number in the edit boxes instead. These controls have the effect of stretching the image’s lower tonal range up towards white or stretching the upper range down towards black. This is similar in many ways to what might be achieved using a tone curve adjustment and is probably easiest to visualize in conjunction with the Histogram display. The ”Magic wand” button activates the automatic settings.
The Brightness adjustment basically acts like an overall gamma control, with the slider and entry box having a range from 0.10 to 10.00. The ”Preserve Shadows” feature (checked by default) operates at high positive gamma settings, to avoid ”washed-out” shadows; the program decides to what extent the darker tones should be ”held back” as shadows.
The ”Shadow radius” slider / edit box affects the way DxO Lighting makes its decisions about which areas represent shadow or not, and how to apply the gamma locally in the image. This slider has a range from 0 (entirely global) to 15 (fully localized): these arbitrary levels act differently according to the size of the image. By default, the ”Preserve Shadows” control is checked to avoid unnatural effects such as a shaded area being lighter than a semi-tinted area.
Стр. 25 мануала:
Exposure Compensation
This involves overall control of the image exposure level (note that RAW images offer much greater scope for correction).
The ”Correction” menu is only active when a RAW file is being processed and offers you a list of predefined automatic exposures prioritizing either the main subject or highlights.
• Centered average measurement optimizes the measurement for the central subject of the image
• Auto-priority highlights offers slight, medium and strong options for highlight recovery
In these exposure modes the exposure slider is positioned automatically. It can also be positioned manually.
Остальное читается между строк и в комбинации с многократным прочтением мануала и опытом работы в программе и собственным осмыслением и выводами на основании полученных результатов.
Самое главное - научиться управлять всей этой умной автоматикой так, чтобы она подчинялась твоей воле, желанию и твоему художественному замыслу.
А Вы включите вместо гистограммы режим индикации пересветов.
Тогда на снимке будут мигать пересвеченные зоны, это во многих случаях намного заметнее.
И сразу видно, какова площадь пересвета и его расположение в кадре.
Саша, а в Д700 пересветы показываются автоматически (в окошке, в котором поканальные гистограммы). Я всегда выбираю в качестве индикации самый сильный канал, чтобы по нему ориентироваться.