tailieunhanh - Tài liệu Photoshop cs5 by Dayley part 56

Điều chỉnh ánh sáng và màu chỉnh sửa phổ biến nhất mà bạn sẽ thực hiện trên bức ảnh là điều chỉnh ánh sáng và màu sắc. Photoshop cung cấp một công cụ số mà chính xác màu sắc và ánh sáng theo những cách khác nhau. | CHAPTER Lighting and Color Adjustments The most common edit that you will perform on photos is correcting the lighting and color. Photoshop provides a number tools that correct the color and lighting in different ways. As you become more familiar with these tools you can adjust problems in images such as overexposure underexposure and color casts. You also can make minute adjustments to images that make a big difference in the overall appearance. This chapter discusses most of the tools available in the Image C Adjustments menu and the Adjustments panel. Many of these tools have overlapping functionality so you are not locked into one specific tool to adjust an image. Try all the tools we discuss in this chapter and then use the tools that work best for you. Note Remember that most of the techniques you learn in this chapter can be applied as an Adjustment layer. That means you can use a selection to create the Adjustment layer and then apply the color adjustments only to that specific area of the image. This allows you to be much more aggressive with the changes you make because you aren t modifying the rest of the image. IN THIS CHAPTER Adjusting lighting and exposure Changing color balance Applying lens filter effects to photos Making specific color and tone adjustments to images Creating custom black and white photos Making colors pop out of images Adjusting levels in images to restore detail Applying Quick Adjustments to Light and Color Photoshop provides several tools that allow you to make quick adjustments to the lighting and color in images. In the background these tools are simply adjusting the level values in the color channels of the image. However these tools provide a nice interface to adjust them in specific ways. I like to think of the adjustment tools as canned solutions to simple color and lighting issues. 381 Part IV Enhancing Correcting and Retouching The following sections discuss using Photoshop s adjustment tools to fix lighting and color .