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Patent US5633728A successfully refreshed from Google Patents.
US5633728A
Expired / Lapsed
US
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Image processing method
Assignee: Canon Inc
•
Filing: 1995-09-26
•
Granted: 1997-05-27
•
Expires: 2015-09-26
Abstract
Abstract A method of recording (preserving) and reproducing an image is disclosed. The x and y axes are assumed on the plane of an original image, the z axis (density axis) is assumed to be perpendicular to the x and y axes, and a space defined by the x, y, and z axes is divided into rectangular solid cells. The volume ratio below a density distribution curved surface of the volume of each rectangular solid is recorded. Upon reproduction, the curved surface is reproduced based on the volume ratios of the rectangular solids which the density distribution curved surface crosses, and those of rectangular solids adjacent thereto. In a four-dimensional Euclidean space defined by an image plane (x,y), a density or brightness D, and time or a frame f, an image is expressed by a solid in this space. This space is divided into four-dimensional rectangular solids, and an amount proportional to the volume of the solid in each rectangular solid is recorded or transmitted. Upon reproduction, the solid is reproduced based on the volume amounts of the rectangular solids and those of rectangular solids adjacent thereto, thereby reproducing a dynamic image.
Inventors
- 👤 Masayoshi Tachihara
- 👤 Akira Asai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:24
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/92; H04N5/926; H04N5/9261; G; G06; G06T; G06T9/00; H04N5/78; H04N5/781; H04N9/00; H04N9/79; H04N9/80; H04N9/804; H04N9/8042
Claims Analysis
Total Claims: 88
Claim 1
Independent Claim
88 words
An image processing apparatus comprising: input means for inputting multivalue image data representing an image; deriving means for deriving, in a three-dimensional space having X-Y orthogonal coordinate system and a gray level axis perpendicular to X and Y axes separated by a plurality of rectangular solids, a volume ratio for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to the multivalue image data input by said input means; and memory means for storing the volume ratio derived by said deriving means.
Claim 2
Dependent Claim
88 words
An image processing apparatus comprising: input means for inputting multivalue image data representing an image; deriving means for deriving, in a three-dimensional space having X-Y orthogonal coordinate system and a gray level axis perpendicular to X and Y axes separated by a plurality of rectangular solids, a volume ratio for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to the multivalue image data input by said input means; and memory means for storing the volume ratio derived by said deriving means.
Claim 3
Dependent Claim
13 words
An apparatus according to claim 1, wherein said input means comprises a scanner.
Claim 4
Dependent Claim
14 words
An apparatus according to claim 1, wherein said memory means comprises a floppy disc.
Claim 5
Dependent Claim
23 words
An apparatus according to claim 1, wherein said deriving means derives the volume ratio for all the rectangular solids in the three-dimensional space.
Claim 6
Dependent Claim
23 words
An apparatus according to claim 1, wherein if the volume ratio derived by said deriving means is small, a diffusion process is applied.
Claim 7
Dependent Claim
24 words
An apparatus according to claim 1, wherein said memory means stores the volume ratio only for the rectangular solid crossed by the curved surface.
Claim 8
Dependent Claim
82 words
An apparatus according to claim 1, further comprising generating means for reproducing a curved surface representing a density distribution on the basis of the volume ratio for the rectangular solid stored in said memory means and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating multivalue image data on the basis of the reproduced curved surface, and output means for outputting an image on the basis of the multivalue image data generated by said generating means.
Claim 9
Dependent Claim
17 words
An apparatus according to claim 7, wherein said output means comprises a printer or a display device.
Claim 10
Dependent Claim
24 words
An apparatus according to claim 1, wherein said deriving means derives the volume ratio for each of the rectangular solids under the curved surface.
Claim 11
Dependent Claim
24 words
An apparatus according to claim 1, wherein said deriving means derives the volume ratio for each of the rectangular solids above the curved surface.
Claim 12
Dependent Claim
135 words
An image processing apparatus comprising: memory means for storing a volume ratio derived, in a three-dimensional space having X-Y orthogonal coordinate system and a gray level axis perpendicular to X and Y axes separated by a plurality of rectangular solids, for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to multivalue image data input; generating means for reproducing a curved surface representing a density distribution on the basis of the volume ratio for the rectangular solid stored in said memory means and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating multivalue image data on the basis of the reproduced curved surface; and output means for outputting an image on the basis of the multivalue image data generated by said generating means.
Claim 13
Dependent Claim
135 words
An image processing apparatus comprising: memory means for storing a volume ratio derived, in a three-dimensional space having X-Y orthogonal coordinate system and a gray level axis perpendicular to X and Y axes separated by a plurality of rectangular solids, for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to multivalue image data input; generating means for reproducing a curved surface representing a density distribution on the basis of the volume ratio for the rectangular solid stored in said memory means and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating multivalue image data on the basis of the reproduced curved surface; and output means for outputting an image on the basis of the multivalue image data generated by said generating means.
Claim 14
Dependent Claim
17 words
An apparatus according to claim 11, wherein said output means comprises a printer or a display device.
Claim 15
Dependent Claim
24 words
An apparatus according to claim 11, wherein said deriving includes deriving the volume ratio for each of the rectangular solids under the curved surface.
Claim 16
Dependent Claim
24 words
An apparatus according to claim 11, wherein said deriving includes deriving the volume ratio for each of the rectangular solids above the curved surface.
Claim 17
Dependent Claim
88 words
An image processing apparatus comprising: input means for inputting dynamic image data representing a dynamic image; deriving means for deriving, in a three-dimensional space having X-Y orthogonal coordinate system and a time axis perpendicular to X and Y axes separated by a plurality of rectangular solids, a volume ratio for one of the rectangular solids crossed by a surface of a solid representing a set of the dynamic image data input by said input means; and memory means for storing the volume ratio derived by said deriving means.
Claim 18
Dependent Claim
88 words
An image processing apparatus comprising: input means for inputting dynamic image data representing a dynamic image; deriving means for deriving, in a three-dimensional space having X-Y orthogonal coordinate system and a time axis perpendicular to X and Y axes separated by a plurality of rectangular solids, a volume ratio for one of the rectangular solids crossed by a surface of a solid representing a set of the dynamic image data input by said input means; and memory means for storing the volume ratio derived by said deriving means.
Claim 19
Dependent Claim
14 words
An apparatus according to claim 15, wherein said memory means comprises an external storage.
Claim 20
Dependent Claim
23 words
An apparatus according to claim 15, wherein said deriving means derives the volume ratio for all the rectangular solids in the three-dimensional space.
Claim 21
Dependent Claim
23 words
An apparatus according to claim 15, wherein if the volume ratio derived by said deriving means is small, a diffusion process is applied.
Claim 22
Dependent Claim
23 words
An apparatus according to claim 15, wherein said memory means stores the volume ratio only for the rectangular solid crossed by the surface.
Claim 23
Dependent Claim
88 words
An apparatus according to claim 15, further comprising generating means for reproducing a surface of a solid representing a set of dynamic image data on the basis of the volume ratio for the rectangular solid stored in said memory means and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface, and output means for outputting a dynamic image on the basis of the dynamic image data generated by said generating means.
Claim 24
Dependent Claim
14 words
An apparatus according to claim 20, wherein said output means comprises a display device.
Claim 25
Dependent Claim
24 words
An apparatus according to claim 15, wherein said deriving means derives the volume ratio for each of the rectangular solids under the curved surface.
Claim 26
Dependent Claim
24 words
An apparatus according to claim 15, wherein said deriving means derives the volume ratio for each of the rectangular solids above the curved surface.
Claim 27
Dependent Claim
140 words
An image processing apparatus comprising: memory means for storing a volume ratio derived, in a three-dimensional space having X-Y orthogonal coordinate system and a time axis perpendicular to X and Y axes separated by a plurality of rectangular solids, for one of the rectangular solids crossed by a surface of a solid representing a set of dynamic image data input; generating means for reproducing a surface of a solid representing a set of dynamic image data on the basis of the volume ratio for the rectangular solid stored in said memory means and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface; and output means for outputting a dynamic image on the basis of the dynamic image data generated by said generating means.
Claim 28
Dependent Claim
140 words
An image processing apparatus comprising: memory means for storing a volume ratio derived, in a three-dimensional space having X-Y orthogonal coordinate system and a time axis perpendicular to X and Y axes separated by a plurality of rectangular solids, for one of the rectangular solids crossed by a surface of a solid representing a set of dynamic image data input; generating means for reproducing a surface of a solid representing a set of dynamic image data on the basis of the volume ratio for the rectangular solid stored in said memory means and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface; and output means for outputting a dynamic image on the basis of the dynamic image data generated by said generating means.
Claim 29
Dependent Claim
14 words
An apparatus according to claim 24, wherein said output means comprises a display device.
Claim 30
Dependent Claim
24 words
An apparatus according to claim 24, wherein said deriving includes deriving the volume ratio for each of the rectangular solids under the curved surface.
Claim 31
Dependent Claim
24 words
An apparatus according to claim 24, wherein said deriving includes deriving the volume ratio for each of the rectangular solids above the curved surface.
Claim 32
Dependent Claim
85 words
An image processing method comprising the steps of: inputting multivalue image data representing an image; deriving, in a three-dimensional space having X-Y orthogonal coordinate system and a gray level axis perpendicular to X and Y axes separated by a plurality of rectangular solids, a volume ratio for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to the multivalue image data input in the input step; and storing the volume ratio derived in the deriving step in a memory.
Claim 33
Dependent Claim
85 words
An image processing method comprising the steps of: inputting multivalue image data representing an image; deriving, in a three-dimensional space having X-Y orthogonal coordinate system and a gray level axis perpendicular to X and Y axes separated by a plurality of rectangular solids, a volume ratio for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to the multivalue image data input in the input step; and storing the volume ratio derived in the deriving step in a memory.
Claim 34
Dependent Claim
13 words
A method according to claim 28, wherein the input step uses a scanner.
Claim 35
Dependent Claim
13 words
A method according to claim 28, wherein the memory comprises a floppy disc.
Claim 36
Dependent Claim
23 words
A method according to claim 28, wherein the deriving step derives the volume ratio for all the rectangular solids in the three-dimensional space.
Claim 37
Dependent Claim
23 words
A method according to claim 28, wherein if the volume ratio derived in the deriving step is small, a diffusion process is applied.
Claim 38
Dependent Claim
23 words
A method according to claim 28, wherein the memory stores the volume ratio only for the rectangular solid crossed by the curved surface.
Claim 39
Dependent Claim
83 words
A method according to claim 28, further comprising a generating step for reproducing a curved surface representing a density distribution on the basis of the volume ratio for the rectangular solid stored in the memory and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating multivalue image data on the basis of the reproduced curved surface, and an output step for outputting an image on the basis of the multivalue image data generated in the generating step.
Claim 40
Dependent Claim
17 words
A method according to claim 34, wherein the output step comprises a printer or a display device.
Claim 41
Dependent Claim
25 words
A method according to claim 28, wherein said deriving step includes deriving the volume ratio for each of the rectangular solids under the curved surface.
Claim 42
Dependent Claim
25 words
A method according to claim 28, wherein said deriving step includes deriving the volume ratio for each of the rectangular solids above the curved surface.
Claim 43
Dependent Claim
139 words
An image processing method using a memory for storing a volume ratio derived, in a three-dimensional space having X-Y orthogonal coordinate system and a gray level axis perpendicular to X and Y axes separated by a plurality of rectangular solids, for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to multivalue image data input, said method comprising: a generating step for reproducing a curved surface representing a density distribution on the basis of the volume ratio for the rectangular solid stored in the memory and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating multivalue image data on the basis of the reproduced curved surface; and an output step for outputting an image on the basis of the multivalue image data generated in the generating step.
Claim 44
Dependent Claim
139 words
An image processing method using a memory for storing a volume ratio derived, in a three-dimensional space having X-Y orthogonal coordinate system and a gray level axis perpendicular to X and Y axes separated by a plurality of rectangular solids, for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to multivalue image data input, said method comprising: a generating step for reproducing a curved surface representing a density distribution on the basis of the volume ratio for the rectangular solid stored in the memory and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating multivalue image data on the basis of the reproduced curved surface; and an output step for outputting an image on the basis of the multivalue image data generated in the generating step.
Claim 45
Dependent Claim
19 words
A method according to claim 38, wherein the output step is performed using a printer or a display device.
Claim 46
Dependent Claim
24 words
A method according to claim 38, wherein the deriving includes deriving the volume ratio for each of the rectangular solids under the curved surface.
Claim 47
Dependent Claim
24 words
A method according to claim 38, wherein the deriving includes deriving the volume ratio for each of the rectangular solids above the curved surface.
Claim 48
Dependent Claim
94 words
An image processing method comprising: an input step for inputting dynamic image data representing a dynamic image; a deriving step for deriving, in a three-dimensional space having X-Y orthogonal coordinate system and a time axis perpendicular to X and Y axes separated by a plurality of rectangular solids, a volume ratio for one of the rectangular solids crossed by a surface of a solid representing a set of the dynamic image data input in the input step; and a storing step for storing, in a memory, the volume ratio derived in the deriving step.
Claim 49
Dependent Claim
94 words
An image processing method comprising: an input step for inputting dynamic image data representing a dynamic image; a deriving step for deriving, in a three-dimensional space having X-Y orthogonal coordinate system and a time axis perpendicular to X and Y axes separated by a plurality of rectangular solids, a volume ratio for one of the rectangular solids crossed by a surface of a solid representing a set of the dynamic image data input in the input step; and a storing step for storing, in a memory, the volume ratio derived in the deriving step.
Claim 50
Dependent Claim
13 words
A method according to claim 42, wherein the memory comprises an external storage.
Claim 51
Dependent Claim
23 words
A method according to claim 42, wherein the deriving step derives the volume ratio for all the rectangular solids in the three-dimensional space.
Claim 52
Dependent Claim
23 words
A method according to claim 42, wherein if the volume ratio derived in the deriving step is small, a diffusion process is applied.
Claim 53
Dependent Claim
22 words
A method according to claim 42, wherein the memory stores the volume ratio only for the rectangular solid crossed by the surface.
Claim 54
Dependent Claim
89 words
A method according to claim 42, further comprising a generating step for reproducing a surface of a solid representing a set of dynamic image data on the basis of the volume ratio for the rectangular solid stored in the memory and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface, and an output step for outputting a dynamic image on the basis of the dynamic image data generated in the generating step.
Claim 55
Dependent Claim
16 words
A method according to claim 47, wherein the output step is performed using a display device.
Claim 56
Dependent Claim
24 words
A method according to claim 42, wherein the deriving includes deriving the volume ratio for each of the rectangular solids under the curved surface.
Claim 57
Dependent Claim
24 words
A method according to claim 42, wherein the deriving includes deriving the volume ratio for each of the rectangular solids above the curved surface.
Claim 58
Dependent Claim
144 words
An image processing method using a memory for storing a volume ratio derived, in a three-dimensional space having X-Y orthogonal coordinate system and a time axis perpendicular to X and Y axes separated by a plurality of rectangular solids, for one of the rectangular solids crossed by a surface of a solid representing a set of dynamic image data input, said method comprising: a generating step for reproducing a surface of a solid representing a set of dynamic image data on the basis of the volume ratio for the rectangular solid stored in the memory and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface; and an output step for outputting a dynamic image on the basis of the dynamic image data generated in the generating step.
Claim 59
Dependent Claim
144 words
An image processing method using a memory for storing a volume ratio derived, in a three-dimensional space having X-Y orthogonal coordinate system and a time axis perpendicular to X and Y axes separated by a plurality of rectangular solids, for one of the rectangular solids crossed by a surface of a solid representing a set of dynamic image data input, said method comprising: a generating step for reproducing a surface of a solid representing a set of dynamic image data on the basis of the volume ratio for the rectangular solid stored in the memory and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface; and an output step for outputting a dynamic image on the basis of the dynamic image data generated in the generating step.
Claim 60
Dependent Claim
16 words
A method according to claim 51, wherein the output step is performed using a display device.
Claim 61
Dependent Claim
25 words
A method according to claim 51, wherein said deriving step includes deriving the volume ratio for each of the rectangular solids under the curved surface.
Claim 62
Dependent Claim
25 words
A method according to claim 51, wherein said deriving step includes deriving the volume ratio for each of the rectangular solids above the curved surface.
Claim 63
Dependent Claim
89 words
An image processing apparatus comprising: input means for inputting dynamic multivalue image data representing a dynamic image; deriving means for deriving, in a four-dimensional Euclidean space having X-Y orthogonal coordinate system, a time axis, and a gray level axis separated by a plurality of four-dimensional rectangular solids, a volume ratio for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to the multivalue image data input by said input means; and memory means for storing the volume ratio derived by said deriving means.
Claim 64
Dependent Claim
89 words
An image processing apparatus comprising: input means for inputting dynamic multivalue image data representing a dynamic image; deriving means for deriving, in a four-dimensional Euclidean space having X-Y orthogonal coordinate system, a time axis, and a gray level axis separated by a plurality of four-dimensional rectangular solids, a volume ratio for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to the multivalue image data input by said input means; and memory means for storing the volume ratio derived by said deriving means.
Claim 65
Dependent Claim
24 words
An apparatus according to claim 55, wherein said deriving means derives the volume ratio for each of the rectangular solids under the curved surface.
Claim 66
Dependent Claim
24 words
An apparatus according to claim 55, wherein said deriving means derives the volume ratio for each of the rectangular solids above the curved surface.
Claim 67
Dependent Claim
14 words
An apparatus according to claim 55, wherein said memory means comprises an external storage.
Claim 68
Dependent Claim
23 words
An apparatus according to claim 55, wherein said deriving means derives the volume ratio for all the rectangular solids in the three-dimensional space.
Claim 69
Dependent Claim
23 words
An apparatus according to claim 55, wherein, if the volume ratio derived by said deriving means is small, a diffusion process is applied.
Claim 70
Dependent Claim
23 words
An apparatus according to claim 55, wherein said memory means stores the volume ratio only for the rectangular solid crossed by the surface.
Claim 71
Dependent Claim
89 words
An apparatus according to claim 55, further comprising generating means for reproducing a surface of a solid representing a set of dynamic multivalue image data on the basis of the volume ratio for the rectangular solid stored in said memory means and the volume ratio for the rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface, and output means for outputting a dynamic image on the basis of the dynamic image data generated by said generating means.
Claim 72
Dependent Claim
14 words
An apparatus according to claim 62, wherein said output means comprises a display device.
Claim 73
Dependent Claim
137 words
An image processing apparatus comprising: memory means for storing a volume ratio derived, in a four-dimensional Euclidean space having X-Y orthogonal coordinate system and a time axis separated by a plurality of four-dimensional rectangular solids, for one of the rectangular solids crossed by a surface of a solid representing a set of dynamic image data input; generating means for reproducing a surface of a solid representing a set of dynamic multivalue image data on the basis of the volume ratio for the rectangular solid stored in said memory means and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface; and output means for outputting a dynamic image on the basis of the dynamic image data generated by said generating means.
Claim 74
Dependent Claim
137 words
An image processing apparatus comprising: memory means for storing a volume ratio derived, in a four-dimensional Euclidean space having X-Y orthogonal coordinate system and a time axis separated by a plurality of four-dimensional rectangular solids, for one of the rectangular solids crossed by a surface of a solid representing a set of dynamic image data input; generating means for reproducing a surface of a solid representing a set of dynamic multivalue image data on the basis of the volume ratio for the rectangular solid stored in said memory means and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface; and output means for outputting a dynamic image on the basis of the dynamic image data generated by said generating means.
Claim 75
Dependent Claim
14 words
An apparatus according to claim 64, wherein said output means comprises a display device.
Claim 76
Dependent Claim
86 words
An image processing method comprising the steps of: inputting dynamic multivalue image data representing a dynamic image; deriving, in a four-dimensional Euclidean space having X-Y orthogonal coordinate system, a time axis, and a gray level axis separated by a plurality of four-dimensional rectangular solids, a volume ratio for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to the multivalue image data input in said inputting step; and storing, in a memory, the volume ratio derived in said deriving step.
Claim 77
Dependent Claim
86 words
An image processing method comprising the steps of: inputting dynamic multivalue image data representing a dynamic image; deriving, in a four-dimensional Euclidean space having X-Y orthogonal coordinate system, a time axis, and a gray level axis separated by a plurality of four-dimensional rectangular solids, a volume ratio for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to the multivalue image data input in said inputting step; and storing, in a memory, the volume ratio derived in said deriving step.
Claim 78
Dependent Claim
25 words
A method according to claim 66, wherein said deriving step includes deriving the volume ratio for each of the rectangular solids under the curved surface.
Claim 79
Dependent Claim
25 words
A method according to claim 66, wherein said deriving step includes deriving the volume ratio for each of the rectangular solids above the curved surface.
Claim 80
Dependent Claim
22 words
A method according to claim 66, wherein said storing step includes Storing the volume ratio in an external storage as the memory.
Claim 81
Dependent Claim
24 words
A method according to claim 66, wherein said deriving step includes deriving the volume ratio for all the rectangular solids in the three-dimensional space.
Claim 82
Dependent Claim
23 words
A method according to claim 66, wherein, if the volume ratio derived in said deriving step is small, a diffusion process is applied.
Claim 83
Dependent Claim
25 words
A method according to claim 66, wherein, in said storing step, the volume ratio is stored only for the rectangular solid crossed by the surface.
Claim 84
Dependent Claim
91 words
A method according to claim 66, further comprising the steps (1) of reproducing a surface of a solid representing a set of dynamic multivalue image data on the basis of the volume ratio for the rectangular solid stored in said storing step and the volume ratio for the rectangular solid adjacent to that rectangular solid and generating dynamic image data on the basis of the reproduced solid surface, and (2) of outputting a dynamic image on the basis of the dynamic image data generated in said generating reproducing and generating step.
Claim 85
Dependent Claim
16 words
A method according to claim 73, wherein said outputting step is performed using a display device.
Claim 86
Dependent Claim
136 words
An image processing method comprising thte steps of: storing, in a memory, a volume ratio derived, in a four-dimensional Euclidean space having X-Y orthogonal coordinate system and a time axis separated by a plurality of four-dimensional rectangular solids, for one of the rectangular solids crossed by a surface of a solid representing a set of dynamic image data input; reproducing a surface of a solid representing a set of dynamic multivalue image data on the basis of the volume ratio for the rectangular solid stored in said storing step and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface; and outputting a dynamic image on the basis of the dynamic image data generated in said reproducing and generating step.
Claim 87
Dependent Claim
136 words
An image processing method comprising thte steps of: storing, in a memory, a volume ratio derived, in a four-dimensional Euclidean space having X-Y orthogonal coordinate system and a time axis separated by a plurality of four-dimensional rectangular solids, for one of the rectangular solids crossed by a surface of a solid representing a set of dynamic image data input; reproducing a surface of a solid representing a set of dynamic multivalue image data on the basis of the volume ratio for the rectangular solid stored in said storing step and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface; and outputting a dynamic image on the basis of the dynamic image data generated in said reproducing and generating step.
Claim 88
Dependent Claim
16 words
A method according to claim 75, wherein said outputting step is performed using a display device.
References Cited (Backward Citations)
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