HDR Photography: Shooting and Processing

分类栏目:摄像摄影教程

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4h 58m | Video: .MP4, 960x540, 30 fps(r) | Audio: AAC, 44100 Hz, 2ch | 2,04 Gb

Genre: eLearning | Language: English


In this course, photographer Ben Long describes the concepts and techniques behind high dynamic range (HDR) photography, a technique used to create images that have a wider range between the lightest and darkest areas of a scene than a digital camera can typically capture. The course begins with some background on dynamic range, on how camera sensors detect shadows, and on the kinds of subjects that benefit from HDR. Ben then describes and demonstrates several methods of generating HDR images, starting with single-shot HDR, which relies on masking to subtly enhance the dynamic range of a shot. Next, the course covers multi-exposure HDR, which involves shooting several photos of a scene, each at a different exposure, and then combining them using software tools. Ben demonstrates how to use Photoshop and the popular Photomatix software to process HDR images whose appearance ranges from subtle to surreal.

Topics include:

Understanding how the image sensor detects shadows

Capturing a broader dynamic range

Knowing when to use HDR

Finding good HDR subject matter

Using gradient masks to improve dynamic range

Merging in Photoshop and processing elsewhere

Dealing with ghosting

Reducing noise and correcting chromatic aberrations

Handling HDR images that seem flat

Combining HDR and LDR (low dynamic range)

Selective editing with HDR Efex Pro

Creating panoramic HDR images

Creating an HDR time lapse

4H 58M视频:MP4,960X540,30 FPS(R)音频:AAC,44100赫兹,2CH 2,04 GB

体裁:语言学习:英语


在这个过程中,摄影师贲龙描述背后的概念和技术,高动态范围(HDR)摄影,用于创建,拥有更广阔的场景最轻、最黑暗的区域之间不是数码相机可以捕捉图像的技术。本课程首先对动态范围的一些背景,对相机的传感器检测到的阴影,并在各类学科受益于HDR。本接着描述了生成HDR图像的几种方法,从单次HDR,这依赖于掩蔽巧妙地提升镜头的动态范围。Next, the course covers multi-exposure HDR, which involves shooting several photos of a scene, each at a different exposure, and then combining them using software tools. Ben demonstrates how to use Photoshop and the popular Photomatix software to process HDR images whose appearance ranges from subtle to surreal.

主题包括:

了解图像传感器如何检测阴影

捕捉更广阔的动态范围

知道何时使用HDR

寻找好的HDR主题

利用梯度掩模提高动态范围

PS图象处理软件合并与其他处理

重影处理

降低噪声和校正色差

处理看起来平坦的HDR图像

结合HDR和LDR(低动态范围)

用HDR EFEX PRO进行选择性编辑

创建全景HDR图像

创建HDR时间推移


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