1. An image forming apparatus, comprising:
a first image carrying member configured to carry a first toner image, formed with a toner, on a surface of the first image carrying member,
a first transfix unit, comprising:
a first heater; and
a first heatable member, heated by the first heater, configured to receive the first toner image from the first image carrying member with heat generated on the first heatable member and configured to transfer and fix the first toner image onto a first face of a recording sheet with the heat generated on the first heatable member;
a second image carrying member configured to carry a second toner image, formed with a toner, on a surface of the second image carrying member;
a second transfix unit, comprising:
a second heater; and
a second heatable member, heated by the second heater, configured to receive the second toner image from the second image carrying member with heat generated on the second heatable member and configured to transfer and fix the second toner image onto a second face of the recording sheet with the heat generated on the second heatable member
surface layers of the first and second heatable members have a heat resistance which is greater than a heat resistance of the first and second image carrying members, and
the first and second image carrying members have a toner separation property which is greater than a toner separation property of the surface layers of the first and second heatable members.
2. The image forming apparatus according to claim 1, wherein the first and second heaters include a magnetic field generator configured to generate a magnetic field around the first and second heatable members.
3. The image forming apparatus according to claim 2, wherein the first and second heatable members further include a heating layer having a magnetic substance therein at a concentration of 30% weight or greater, and the magnetic field generated by the magnetic field generator is used to heat the magnetic substance in the heating layer of the first and second heatable member members with an electromagnetic induction effect.
4. The image forming apparatus according to claim 3, wherein the surface layers of the first and second heatable members have a volume resistivity of 109 \u03a9\xb7cm.
5. The image forming apparatus according to claim 2, wherein the toner has a magnetic substance therein at a concentration of 30% weight or greater, and the magnetic field generated by the magnetic field generator is used to heat the magnetic substance in the toner with an electromagnetic induction effect.
6. The image forming apparatus according to claim 1, wherein the surface layers of the first and second heatable members and the first and second image carrying members include a material which suppresses a heat deformation at a temperature of 250 degrees Celsius and has a water contact angle of 90 degrees or greater, and the surface layers of the first and second heatable members and the first and second image carrying members have a surface roughness Rz of 10 \u03bcm or less at a ten points average height.
7. The image forming apparatus according to claim 1, wherein
the surface layers of the first and second heatable members and the first and second image carrying members include a heat resistance resin, and
the heat resistance resin includes a principal chain and a side chain extended from the principal chain, the principal chain includes any one of a polyimide structure, a poly-benzimidazole structure, and a polyamide structure, and the side chain includes a polysiloxane structure.
8. The image forming apparatus according to claim 1, wherein
the surface layers of first and second the heatable members and the first and second image carrying members include a heat resistance resin coated with any one of fluorinated resin and silicone resin, and
the heat resistance resin has a principal chain including any one of a polyimide structure, a poly-benzimidazole structure, and a polyamide structure.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An image processing device comprising:
a decoder configured to decode a bit stream to generate an image;
an index allocation unit configured to alternately allocate reference image indexes to be referred in predicting the image generate by the decoder to a referable image in a view direction and to a referable image in a time direction; and
a predictor configured to refer a reference image of the index allocated by the index allocation unit to predict the image generated by the decoder.
2. The image processing device according to claim 1, wherein the index allocation unit repeats a process of allocating the reference image indexes to a referable image in the time direction and to a referable image in the view direction in that order.
3. The image processing device according to claim 2, wherein after allocating the reference image indexes to all of the referable images in the view direction, the index allocation unit allocates the reference image index to a referable image in the time direction.
4. The image processing device according to claim 1, wherein the index allocation unit repeats a process of allocating the reference image indexes to a referable image in the view direction and to a referable image in the time direction in that order.
5. The image processing device according to claim 4, wherein after allocating the reference image indexes to all of the referable images in the view direction, the index allocation unit allocates the reference image index to a referable image in the time direction.
6. The image processing device according to claim 1, wherein the index allocation unit selects either one from a time direction prioritized pattern in which after the reference image index is allocated to a referable image in the time direction, the reference image index is allocated to a referable image in the view direction, and a view direction prioritized pattern in which after the reference image index is allocated to a referable image in the view direction, the reference image index is allocated to a referable image in the time direction, and allocates the reference image index.
7. The image processing device according to claim 6, wherein the index allocation unit selects a pattern to allocate the reference image index from a time direction prioritized pattern in which a process of allocating the reference image indexes to a referable image in the time direction and to a referable image in the view direction in that order is repeated, and a view direction prioritized pattern in which a process of allocating the reference image indexes to a referable image in the view direction and to a referable image in the time direction in that order is repeated, and allocates the reference image index.
8. The image processing device according to claim 6, wherein the index allocation unit allocates the reference image index according to pattern identification information identifying whether the time direction prioritized pattern is used or the view direction prioritized pattern is used.
9. The image processing device according to claim 1, wherein the index allocation unit allocates the reference image index to a referable image in the view direction based on view reference information of a sequence parameter set.
10. The image processing device according to claim 1, wherein the index allocation unit allocates the reference image index to a referable image in the time direction based on decoding order in a case of a P-picture, and based on a picture order count (POC) in a case of a B-picture.
11. The image processing device according to claim 1, wherein the index allocation unit selects a pattern to allocate the reference image index from a time direction prioritized alternate pattern in which a process of starting allocation of the reference image indexes from a referable image in the time direction, and allocating the reference image indexes to a referable image in the time direction and to a referable image in the view direction in that order is repeated, and a view direction prioritized alternate pattern in which a process of starting allocation of the reference image indexes from a referable image in the view direction, and allocating the reference image indexes to a referable image in the view direction and to a referable image in the time direction in that order is repeated, and allocates the reference image index.
12. The image processing device according to claim 11, wherein the index allocation unit allocates the reference image indexes according to pattern identification information identifying whether the time direction prioritized alternate pattern is used or the view direction prioritized alternate pattern is used.
13. An image processing method in which an image processing device:
decodes a bit stream to generate an image;
alternately allocates reference image indexes to be referred in predicting the generated image to a referable image in a view direction and to a referable image in a time direction; and
refers to a reference image of the allocated index and predicts the generated image.
14. An image processing device comprising:
an index allocation unit configured to alternately allocate reference image indexes to be referred in predicting an image to a referable image in a view direction and to a referable image in a time direction;
a predictor configured to refer to a reference image of the index allocated by the index allocation unit to predict the image; and
an encoder configured to encode the image predicted by the predictor to generate a bit stream.
15. The image processing device according to claim 14, wherein the index allocation unit repeats a process of allocating the reference image indexes to a referable image in the time direction and to a referable image in the view direction in that order.
16. The image processing device according to claim 15, wherein after allocating the reference image indexes to all of the referable images in the view direction, the index allocation unit allocates the reference image index to a referable image in the time direction.
17. The image processing device according to claim 14, wherein the index allocation unit repeats a process of allocating the reference image indexes to a referable image in the view direction and to a referable image in the time direction in that order.
18. The image processing device according to clam 17, wherein after allocating the reference image indexes to all of the referable images in the view direction, the index allocation unit allocates the reference image index to a referable image in the time direction.
19. The image processing device according to clam 14, wherein the index allocation unit selects either one from a time direction prioritized pattern in which after the reference image index is allocated to a referable image in the time direction, the reference image index is allocated to a referable image in the view direction, and a view direction prioritized pattern in which after the reference image index is allocated to a referable image in the view direction, the reference image index is allocated to a referable image in the time direction, and allocates the reference image index.
20. The image processing device according to claim 19, wherein the index allocation unit selects a pattern to allocate the reference image index from a time direction prioritized pattern in which a process of allocating the reference image indexes to a referable image in the time direction and to a referable image in the view direction in that order is repeated, and a view direction prioritized pattern in which a process of allocating the reference image indexes to a referable image in the view direction and to a referable image in the view direction in that order is repeated, and allocates the reference image index.
21. The image processing device according to claim 19, further comprising a transmission unit configured to transmit pattern identification information identifying whether the time direction prioritized pattern is used or the view direction prioritized pattern is used, and the bit stream generated by the encoder.
22. The image processing device according to claim 14, wherein the index allocation unit allocates the reference image index to a referable image in the view direction based on view reference information of a sequence parameter set.
23. The image processing device according to claim 14, wherein the index allocation unit allocates the reference image index to a referable image in the time direction based on decoding order in a case of a P-picture, and based on a picture order count (POC) in a case of a B-picture.
24. The image processing device according to claim 14, wherein the index allocation unit selects a pattern to allocate the reference image index from a time direction prioritized alternate pattern in which a process of starting allocation of the reference image indexes from a referable image in the time direction, and allocating the reference image indexes to a referable image in the time direction and to a referable image in the view direction in that order is repeated, and a view direction prioritized alternate pattern in which a process of starting allocation of the reference image indexes from a referable image in the view direction, and allocating the reference image indexes to a referable image in the view direction and to a referable image in the time direction in that order is repeated, and allocates the reference image index.
25. The image processing device according to claim 24, further comprising a transmission unit configured to transmit pattern identification information identifying whether the time direction prioritized alternate pattern is used or the view direction prioritized alternate pattern is used, and the bit stream generated by the encoder.
26. An image processing method in which an image processing device:
alternately allocates reference image indexes to be referred in predicting an image to a referable image in a view direction and to a referable image in a time direction;
refers to a reference image of the allocated index to predict the image; and
encodes the image predicted by the predictor to generate a bit stream.