บทที่ 8
เรื่องการตัดต่อและซ้อนรูปภาพ
อธิบาย (หมายถึง การให้รายละเอียดเพิ่มเติม ขยายความ ถ้ามีตัวอย่างให้ยกตัวอย่างประกอบ) ตอบแบบสั้น
1. มาส์กคีออะไร
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2. จงอธิบายวิธีการสร้าง Quick Mask
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3. หากพื้นที่ Quick Mask ที่สร้างขึ้นมีมากเกินไป จะมีวิธีการลดได้อย่างไร
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4. ฟิลเตอร์ Extract คืออะไร
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5. จงอธิบายวิธีการตัดรูปภาพด้วย Extract
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6. หากรูปภาพที่ตัดด้วย Extract มีสีที่ไม่สมบูรณ์ 100 % จะมีวิธีการแก้ไขอย่างไร
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7. จงอธิบายวิธีการซ้อนภาพ
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8. จงอธิบายลักษณะการใส่สี Gradient ให้กับมาส์กในการซ้อนภาพ
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9. การสร้าง Quick Mark พื้นที่สีแดงและสีขาวคืออะไร
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10. จงอธิบายวิธีการซ้อนภาพด้วย Layer Blending Mode
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