1. An image processing apparatus comprising:
a left image transforming unit for inputting a left image which is to be presented to a left eye and which is applied to display of a stereoscopic image, changing a phase of an image signal of a left image in a right direction or a left direction, and generating a left image-transformed image; and
a right image transforming unit for inputting a right image which is to be presented to a right eye and which is applied to display of a stereoscopic image, changing a phase of an image signal of a right image in the left direction or the right direction, and generating a right image-transformed image,
wherein the left image transforming unit and the right image transforming unit extract feature quantities of the image signals of the input images, and generate the left image-transformed image and the right image-transformed image using image transform processing to which the extracted feature quantities are applied.
2. The image processing apparatus according to claim 1, wherein the left image transforming unit includes:
a left image differentiating device for generating a differential signal of the image signal of the left image as the feature quantity; and
a left image combining unit for generating the left image-transformed image by executing combining processing in which the differential signal of the left image or a transformed signal of the differential signal is added to the left image signal, and
wherein the right image transforming unit includes:
a right image differentiating device for generating a differential signal of the image signal of the right image as the feature quantity; and
a right image combining unit for generating the right image-transformed image by executing combining processing in which the differential signal of the right image or a transformed signal of the differential signal is added to the right image signal.
3. The image processing apparatus according to claim 2, wherein the left image transforming unit includes a left image non-linear transforming unit for executing non-linear transform processing of the differential signal of the left image, and the left image combining unit generates the left image-transformed image by executing combining processing in which a transformed signal generated by the left image non-linear transforming unit is added to the left image signal, and
the right image transforming unit includes a right image non-linear transforming unit for executing non-linear transform processing of the differential signal of the right image, and the right image combining unit generates the right image-transformed image by executing combining processing in which a transformed signal generated by the right image non-linear transforming unit is added to the right image signal.
4. The image processing apparatus according to claim 2 or 3, wherein the left image differentiating device and the right image differentiating device execute differential processing to which first-order differentiation filters having differential filter coefficient series of opposite patterns are applied.
5. The image processing apparatus according to claim 2 or 3, wherein the left image differentiating device and the right image differentiating device execute differential processing according to a same differential mode, and
one of the left image combining unit and the right image combining unit adds the differential signal of each image or the transformed signal of the differential signal to the input image signal, and the other of them performs processing of deducting the differential signal of each image or the transformed signal of the differential signal from the input image signal.
6. The image processing apparatus according to anyone of claims 2 to 5, wherein the left image differentiating device and the right image differentiating device execute differential processing of a brightness signal of the input image signal.
7. The image processing apparatus according to any one of claims 2 to 6, wherein the image processing apparatus further includes a parallax detecting unit generating parallax information by analyzing arrangement of a corresponding point which corresponds to a same subject portion in the left image and the right image which are input into the image processing apparatus, and
the left image differentiating device and the right image differentiating device execute differential processing by changing a differential processing mode in accordance with the parallax information generated by the parallax detecting unit.
8. The image processing apparatus according to claim 7, wherein the parallax detecting unit generates disparity polarity information indicating that the arrangement of the corresponding point which corresponds to the same subject portion in the left image and the right image which are input into the image processing apparatus is any one of the following settings (a) and (b):
(a) a corresponding point of the left image is located at the left of a corresponding point of the right image; and
(b) the corresponding point of the left image is located at the right of the corresponding point of the right image, and
the left image differentiating device and the right image differentiating device execute differential processing to which first-order differentiation filters having differential filter coefficient series of opposite patterns are applied, in accordance with the disparity polarity information generated by the parallax detecting unit.
9. The image processing apparatus according to claim 7 or 8, wherein the parallax detecting unit generates parallax information by applying reduced images or decimated images of the left image and the right image which are input to the image processing apparatus.
10. The image processing apparatus according to any one of claims 3 to 9, wherein the image processing apparatus further includes a control signal input unit for inputting a control signal for controlling change to at least one of a differential processing mode for the left image differentiating device and the right image differentiating device and a transform processing mode for the left image non-linear transforming unit and the right image non-linear transforming unit
11. An image processing method executed by an image processing apparatus, comprising:
a left image transforming step for causing a left image transforming unit to input a left image which is to be presented to a left eye and which is applied to display of a stereoscopic image, to change a phase of an image signal of a left image in a right direction or a left direction, and to generate a left image-transformed image; and
a right image transforming step for causing a right image transforming unit to input a right image which is to be presented to a right eye and which is applied to display of a stereoscopic image, to change a phase of an image signal of a right image in the left direction or the right direction, and to generate a right image-transformed image,
wherein the left image transforming step and the right image transforming step are steps for extracting feature quantities of the image signals of the input images, and generating the left image-transformed image and the right image-transformed image using image transform processing to which the extracted feature quantities are applied.
12. A program for causing an image processing apparatus to execute image processing, the program causing the image processing apparatus to execute:
a left image transforming step for causing a left image transforming unit to input a left image which is to be presented to a left eye and which is applied to display of a stereoscopic image, to change a phase of an image signal of a left image in a right direction or a left direction, and to generate a left image-transformed image; and
a right image transforming step for causing a right image transforming unit to input a right image which is to be presented to a right eye and which is applied to display of a stereoscopic image, to change a phase of an image signal of a right image in the left direction or the right direction, and to generate a right image-transformed image,
wherein in the left image transforming step and the right image transforming step, feature quantities of the image signals of the input images are extracted, and the left image-transformed image and the right image-transformed image are generated using image transform processing to which the extracted feature quantities are applied.
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. A method of optimizing a first access plan for a first database query, said method comprising:
querying a plan cache;
wherein said plan cache comprises one or more cached queries;
determining one or more cache-query database objects referenced by any of said one or more cached queries;
asynchronously querying, monitoring, and recording a first status for a first cache-query database object of said one or more cache-query database objects via a storage management interface;
wherein if said first cache-query database object is cached and accessing said first cache-query database object consumes a logical access to a cached data, then said first status is warm-status type;
wherein if said first cache-query database object is not cached and accessing said first cache-query database object consumes a physical disk drive access, then said first status is cold-status type;
cost-based optimizing said first access plan for said first database query;
wherein said first database query references one or more query-referenced database objects;
determining a second status of a first query-referenced database object of said one or more query-referenced database objects;
wherein, in said determining said second status, if said first query-referenced database object is the same as said first cache-query database object, then setting said second status to said first status;
wherein in said determining said second status step, if said first status is cold-status, then setting said second status to warm-status if there is a prior query optimization associated with an access plan for accessing said first query-referenced database object;
wherein said prior query optimization is one of a recently completed query optimization or an ongoing query optimization;
in said cost-based optimizing step, determining a cost of access to said first query-referenced database object based on said second status;
in said cost-based optimizing step, if a second cache query of said one or more cached queries is the same as said first database query, then validating a second access plan associated with said second cached query, and if said second access plan is validated, then reusing said second access plan for said first access plan;
wherein said validating said second access plan fails, if a cache status of any database object referenced by said second cached query is changed since said second cached query was executed; and
determining whether to remove said second access plan from said plan cache, if said validating said second access plan fails.