1. A camera, comprising:
a processing unit which, when distortion of an image of an object formed by a photographing optical system is corrected based on a focal length of the photographing optical system and an incident angle \u03b8 of a ray from the object to the photographing optical system, changes an amount of the correction of the distortion of the image of the object according to the incident angle \u03b8,
wherein the processing unit executes the correction of the distortion of the image of the object according to a first projection system that satisfies the conditional expression:
f\xb7\u03b8<y<f\xb7tan \u03b8
where y denotes an image height of the image of the object, and f denotes the focal length of the photographing optical system.
2. The camera according to claim 1, further comprising a face detection unit which detects a face in the object, wherein the processing unit changes the amount of the correction of the distortion of the image of the object when the face detection unit detects a face in the image of the object.
3. The camera according to claim 1, further comprising a face detection unit which detects a face in the object, wherein
the processing unit changes the amount of the correction of the distortion of the image of the object when the face detection unit detects a face at least in an edge portion of the image of the object.
4. The camera according to claim 1, further comprising a portrait mode in which the object is assumed to be an individual, wherein the processing unit changes the amount of the correction of the distortion of the image of the object when the portrait mode is applied.
5. The camera according to claim 1, further comprising a portrait mode in which the object is assumed to be an individual and a face detection unit which detects a face in the object, wherein
the processing unit changes the amount of the correction of the distortion of the image of the object when the portrait mode is applied, and the face detection unit detects a face at least in an edge portion of the image of the object.
6. The camera according to claim 1, wherein
the processing unit has first and second correction patterns, amounts of the correction of the distortion of the image of the object for the first and second correction patterns being different,
executes the correction of the distortion of the image of the object for the first correction pattern, according to a second projection system that satisfies the conditional expression:
y=f\xb7tan \u03b8
and executes the correction of the distortion of the image of the object for the second correction pattern according to the first projection system that satisfies the conditional expression:
f\xb7\u03b8<y<f\xb7tan \u03b8.
7. The camera according to claim 6, wherein
the correction of the distortion of the image of the object for the second correction pattern is further executed according to a third projection system that satisfies the conditional expressions:
x=f(u+1)\xb7sin \u03b8(u+cos \u03b8)
0.3<u<0.7
where x denotes an image height from a center of the image of the object along at least one direction out of a long side direction and a short side direction of the image of the object which pass through the center of the image of the object and cross each other orthogonally, and u denotes a transformation coefficient of the third projection system.
8. The camera according to claim 7, wherein the one direction is the long side direction of the image of the object.
9. The camera according to claim 1, wherein
the processing unit executes distortion correction according to a third projection system that satisfies the conditional expressions:
x=f(u+1)\xb7sin \u03b8(u+cos \u03b8)
0.3<u<0.7
where x denotes an image height from the center of the image of the object along at least one direction out of a long side direction and a short side direction of the image of the object, which pass through the center of the image of the object, and cross each other orthogonally, and u denotes a transformation coefficient of the third projection system.
10. The camera according to claim 9, wherein the one direction is a long side direction of the image of the object.
11. An apparatus comprising a processing unit which, when distortion of an image of an object is corrected based on a focal length of a photographing optical system and an incident angle \u03b8 of a ray from the object to the photographing optical system, changes an amount of the correction of the distortion of the image of the object according to the incident angle \u03b8,
wherein the processing unit executes the correction of the distortion of the image of the object according to a projection system that satisfies the conditional expression:
f\xb7\u03b8<y<f\xb7tan \u03b8
wherein y denotes an image height of the image of the object, and f denotes the focal length of the photographing optical system.
12. An image correction method comprising:
an image acquisition step of acquiring an image of an object formed by a photographing optical system;
a distortion correction step of correcting, by a processing unit, a distortion generated in the image of the object based on a focal length of the photographing optical system and an incident angle \u03b8 of a ray from the object to the photographing optical system, wherein
the distortion correction is executed by changing an amount of the correction of the distortion generated in the image of the object based on the focal length of the photographing optical system and the incident angle \u03b8, and
the distortion correction is executed according to a first projection system that satisfies the conditional expression:
f\xb7\u03b8<y<f\xb7tan \u03b8
where y denotes an image height of the image of the object, and f denotes a focal length of the photographing optical system.
13. The method according to claim 12, further comprising a face detection unit which detects a face in the object, wherein
the amount of the correction of the distortion generated in the image of the object is changed when the face detection unit detects a face in at least an edge portion of the image of the object.
14. The method according to claim 12, wherein
the distortion correction is executed according to a second projection system that satisfies the conditional expressions:
x=f(u+1)\xb7sin \u03b8(u+cos \u03b8)
0.3<u<0.7
where x denotes an image height from a center of the image of the object along at least one direction out of a long side direction and a short side direction of the image of the object, which pass through the center of the image of the object and cross each other orthogonally, and u denotes a transformation coefficient of the second projection system.
15. A camera, comprising:
a processing unit which, when distortion of an image of an object formed by a photographing optical system is corrected based on a focal length of the photographing optical system and an incident angle \u03b8 of a ray from the object to the photographing optical system, changes an amount of the correction of the distortion of the image of the object according to the incident angle \u03b8,
wherein the processing unit executes the correction of the distortion of the image of the object according to a projection system that satisfies the conditional expressions:
x=f(u+1)\xb7sin \u03b8(u+cos \u03b8)
0.3<u<0.7
where x denotes an image height from a center of the image of the object along at least one direction out of a long side direction and a short side direction of the image of the object, which pass through the center of the image of the object and cross each other orthogonally, and u denotes a transformation coefficient of the projection system.
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 thin film magnetic head slider to be used in such a fashion as to face a magnetic recording medium during flying, comprising:
a slider substrate supported by a suspension having wiring;
a slider thin film stacked on the substrate;
an energizer formed between the slider substrate and the slider thin film;
a magnetic write device; and
a magnetic read device;
wherein a terminal of the magnetic write device, a terminal of the magnetic read device, and a terminal of the energizer are formed on an outflow facet of the thin film magnetic head slider;
wherein the terminal of the energizer is formed from a conductive material having a higher standard electrode potential in a solution as compared with potentials of the magnetic write device and the magnetic read device, and is electrically connected to a lower pole piece of the magnetic write device or a magnetic shield of the magnetic read device; and
wherein a relay terminal of the magnetic write device which is conductively connected to the lower pole piece, is conductively connected to the wiring of the suspension and connected to a ground.
2. A magnetic head support mechanism comprising the thin film magnetic head slider according to claim 1.
3. A magnetic disk drive comprising the magnetic head support mechanism according to claim 2.
4. The thin film magnetic head slider according to claim 1, wherein the thin film magnetic head slider has a thickness ranging from about 0.10 mm to about 0.23 mm.
5. A magnetic head support mechanism comprising the thin film magnetic head slider according to claim 4.
6. A magnetic disk drive comprising the magnetic head support mechanism according to claim 5.
7. The thin film magnetic head slider according to claim 1, wherein the energizer is formed between an underlying insulation film formed on the thin film magnetic head slider substrate and a lower magnetic shield of the magnetic read device formed on the underlying insulation film.
8. The thin film magnetic head slider according to claim 7, wherein the thin film magnetic head slider has a thickness ranging from about 0.10 mm to about 0.23 mm.
9. A magnetic head support mechanism comprising the thin film magnetic head slider according to claim 8.
10. A magnetic disk drive comprising the magnetic head support mechanism according to claim 9.
11. A thin film magnetic head slider to be attached and wired to a suspension and used in such a fashion as to face a magnetic recording medium during flying, comprising:
a slider substrate;
a slider thin film stacked on the substrate;
an energizer formed between the slider substrate and the slider thin film;
a magnetic write device having a lower pole piece; and
a magnetic read device;
wherein a terminal of the magnetic write device, a terminal of the magnetic read device, and a terminal of the energizer are formed on an outflow facet of the thin film magnetic head slider; and
wherein a relay terminal of the write device which is conductively connected to the lower pole piece of the magnetic write device is conductively connected to the wiring of the suspension and connected to a ground.
12. A magnetic head support mechanism comprising the thin film magnetic head slider according to claim 11.
13. A magnetic disk drive comprising the magnetic head support mechanism according to claim 12.
14. The thin film magnetic head slider according to claim 11, wherein the thin film magnetic head slider has a thickness ranging from about 0.10mm to about 0.23mm.
15. A magnetic head support mechanism comprising the thin film magnetic head slider according to claim 14.
16. A magnetic disk drive comprising the magnetic head support mechanism according to claim 15.