Computer animation involves key-frame animation where animators create important frames (key frames) that define how an object changes over time, such as its size, direction or shape. The computer then generates the in-between frames to create a smooth animation. Morphing is a technique that seamlessly transitions one image into another through a sequence of interpolated images. Three-dimensional morphing directly morphs 3D models to overcome limitations of 2D morphing like incorrect handling of lighting and visibility changes during a morph.
An introduction to Animation. What is Animation? What allows us to experience movements in an animation? How different types of animations are made? What are some uses of animation and what is the impact of animation on society?
Introduction to Animation
Introduction to Animation SLIDE # 01 of BILAL TEACH
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LECTURE # 1 = https://youtu.be/nMo32R_tSYw?list=PL5d_j41S1-UuiJDnW_3I4vwXEiGhW_bWd
This Ppt is based on the Raster animation . It explains u ablout a brief idea bout the Raster Graphics its Working with Real time Animation Examples that are used in our day to day life.
The following points are covered in this ppt
1. Introduction
2. Working of Raster Animation
3. Types of Raster Animations Modern and Traditional
4. Examples
5.Applications
6. Advantages
7. Disadvantages
An introduction to Animation. What is Animation? What allows us to experience movements in an animation? How different types of animations are made? What are some uses of animation and what is the impact of animation on society?
Introduction to Animation
Introduction to Animation SLIDE # 01 of BILAL TEACH
If you want FREE Educational Videos Subscribe Our Channel. Here we will post FREE Educational, knowledge based video for everyone.
Stay tuned for FREE Educational Videos
LECTURE # 1 = https://youtu.be/nMo32R_tSYw?list=PL5d_j41S1-UuiJDnW_3I4vwXEiGhW_bWd
This Ppt is based on the Raster animation . It explains u ablout a brief idea bout the Raster Graphics its Working with Real time Animation Examples that are used in our day to day life.
The following points are covered in this ppt
1. Introduction
2. Working of Raster Animation
3. Types of Raster Animations Modern and Traditional
4. Examples
5.Applications
6. Advantages
7. Disadvantages
Traditional animation (also called cel animation or hand-drawn animation) was the process used for most animated films of the 20th century. The individual frames of a traditionally animated film are photographs of drawings, first drawn on paper.
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2. INTRODUCTION
• The objective of this chapter is
▫ To understand the concepts of computer animation.
▫ To understand Morphing.
The main goal of computer animation is to synthesize the
desired motion effect which is a mixing of natural
phenomena, perception and imagination. The animator
designs the object's dynamic behavior with his mental
representation of causality.
3. KEY-FRAME ANIMATION
• When someone creates an animation on a computer, they usually don't
specify the exact position of any given object on every single frame.
• They create key frames. Key frames are important frames during which an
object changes its size, direction, shape or other properties.
• The computer then figures out all the in between frames and saves an
extreme amount of time for the animator.
• Two frames are drawn by user In between frames generated by computer.
11. MOTION CONTROL METHODS
• The Performance Animation which consists in magnetic or optical
measurement and recording of direct actions of a real person for immediate or
delayed playback.
• The technique is especially used today in production environments for 3D
character animation.
12. MOTION CONTROL METHODS
• Key frame animation is still another popular
technique in which the animator explicitly specifies the
kinematics by supplying key-frames values whose "in-
between" frames are interpolated by the computer.
13. MOTION CONTROL METHODS
• Inverse kinematics is a
technique coming from robotics,
where the motion of links of a chain is
computed from the end link trajectory.
14. MOTION CONTROL METHODS
• Image Morphing is a warping-based technique which
interpolates the features between two images to obtain a natural
in between image.
• For geometric deformations, multi-layered models are
particularly useful for modeling 3D characters.
18. INTRODUCTION TO MORPHING
• Morphing is a special effect in motion pictures and
animations that changes (or morphs) one image into
another through a seamless transition.
• Image morphing means creating a sequence of
images which when played in sequence, show one
image being slowly changed into another image.
19. THREE-DIMENSIONAL MORPHING
• Image morphing, the construction of an image
sequence depicting a gradual transition between
two images, has been extensively investigated.
• For images generated from 3D models, there is
an alternative to morphing the images
themselves.
• 3D morphing generates intermediate 3D models,
the morphs, directly from the given models; the
morphs are then rendered to produce an image
sequence depicting the transformation.
20. THREE-DIMENSIONAL MORPHING
• 3D morphing overcomes the following shortcomings of 2D
morphing as applied to images generated from 3D models:
▫ In 3D morphing, creating the morphs is independent of the viewing and
lighting parameters. Hence, we can create a morph sequence once, and
then experiment with various camera angles and lighting conditions
during rendering.
▫ In 2D morphing, a new morph must be recomputed every time we wish
to alter our viewpoint or the illumination of the 3D model.
▫ 2D techniques, lacking information on the model's spatial configuration,
are unable to correctly handle changes in illumination and visibility.
▫ Two examples of this type of artifact are:
(i) Shadows and highlights fail to match shape changes occurring in the morph.
(ii) When a feature of the 3D object is not visible in the original 2D image, this
feature cannot be made to appear during the morph; for example, when the
singing actor needs to open her mouth during the morph, pulling her lips apart
thickens the lips instead of revealing her teeth.