1. A method of providing a magnetic resonance spectral image (MRSI), comprising:
a) applying a magnetic resonance imaging excitation;
b) acquiring data, comprising:
applying an oscillating gradient in a first dimension, and
applying blips in at least a second dimension in a pseudo-random order to acquire pseudo-random temporally undersampled spectral data in at least two planes; and
c) using the pseudo-random order to reconstruct a magnetic resonance spectral image in at least two dimensions.
2. The method, as recited in claim 1, wherein the magnetic resonance spectral image is in three dimensions.
3. The method, as recited in claim 2, wherein the acquiring data uses flyback readouts.
4. The method, as recited in claim 3, wherein the applying pseudo-random blips applies blips in a third dimension to acquire temporally undersampled spectral data in at least four planes.
5. The method, as recited in claim 4, wherein the magnetic resonance spectral image in at least two dimensions is a hyperpolarized image.
6. The method of claim 5, wherein the magnetic resonance spectral image in at least two dimensions is a 13C 3D hyperpolarized image.
7. The method, as recited in claim 6, wherein sampling time is reduced by a factor of at least 2.
8. The method, as recited in claim 7, wherein the acquiring data uses a spin-echo sequence.
9. The method of claim 1 where the reconstruction uses the equation Minimize \u2225W g\u22251 s.t. \u2225Fkg\u2212y\u22252<\u03b5.
10. The method, as recited in claim 1, wherein the acquiring data uses flyback readouts.
11. The method, as recited in claim 1, wherein the applying pseudo-random blips applies blips in a third dimension to acquire temporally undersampled spectral data in at least four planes.
12. The method, as recited in claim 1, wherein the magnetic resonance spectral image in at least two dimensions is a hyperpolarized image.
13. The method of claim 1, wherein the magnetic resonance spectral image in at least two dimensions is a 13C 3D hyperpolarized image.
14. The method, as recited in claim 1, wherein sampling time is reduced by a factor of at least 2.
15. The method, as recited in claim 1, wherein the acquiring data uses a spin-echo sequence.
16. The method, as recited in claim 1, further comprising displaying the reconstructed image.
17. An apparatus for providing a magnetic resonance spectral imaging (MRSI), comprising:
a magnetic resonance imaging excitation and detection system; and
a controller electrically connected to the magnetic resonance imaging excitation and detection system, comprising:
a display;
at least one processor; and
computer readable media, comprising:
computer readable code for applying a magnetic resonance imaging excitation;
computer readable code for acquiring data, comprising:
computer readable code for applying an oscillating gradient in a first dimension, and
computer readable code for applying blips in at least a second dimension in a pseudo-random order to acquire pseudo-random temporally undersampled spectral data in at least two planes;
computer readable code for using the pseudo-random order to reconstruct a magnetic resonance spectral image in at least two dimensions; and
computer readable code for displaying the image on the display.
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 information processing apparatus comprising:
a display configured to display a list of images representing contents; and
an input module configured to accept an operation for a display area where the display displays the list of images,
wherein the display comprises:
a first controller configured to update a display state of the list of images to collect a plurality of images of the contents comprising an identical attribute into a group image if the input module accepts a first operation for positions on the display area where images of contents comprising the identical attribute are displayed side-by-side, the group image allowing a user to identify that the contents comprising the identical attribute are grouped; and
a second controller configured to update the display state of the list of images to unfold the plurality of images of the contents collected into the group image and comprising the identical attribute if the input module accepts a second operation for a position on the display area where the group image is displayed.
2. The apparatus of claim 1, wherein the first controller is configured to decide a display position of the group image on the display area by evaluating the display state of the list of images after the plurality of images of the contents comprising the identical attribute are collected into the group image.
3. The apparatus of claim 2, wherein:
the list of images is scrollable in an arrangement direction of the images so that a first number of images are displayed on the display area; and
the first controller is configured to decide the display position of the group image so as not to form blank space at a first end portion on the display area in a state where an image is scrolled from a second end side of the display area.
4. The apparatus of claim 2, wherein the first controller is configured to decide the display position of the group image so as not to form blank space between a start image and a second end of the display area or between a last image and a first end of the display area.
5. The apparatus of claim 4, wherein the first controller is configured to decide the display position of the group image so as not to form blank space between the start image and the second end of the display area when a number of images after the plurality of images of the contents collected into the group image and comprising the identical attribute is less than the number of images that are allowed to be displayed on the display area.
6. The apparatus of claim 1, wherein:
the contents comprise e-books; and
the first controller and the second controller are configured to determine that e-books comprising identical title information in metadata of the e-books are the contents comprising the identical attribute.
7. The apparatus of claim 6, wherein the group image comprises an image representing a state where the e-books comprising the identical title information are folded in an order of dates of issue to display an e-book comprising a latest date of issue information in the metadata or an e-book comprising an oldest date of issue information at a top position, a cover of the e-book comprising the latest date of issue information or the e-book comprising the oldest date of issue information displayed.
8. The apparatus of claim 7, wherein the group image is selected from an image representing a folded state in descending order of date of issue information and an image representing a folded state in ascending order of date of issue information based on an order of arrangement when the e-books comprising the identical title information are unfolded and displayed in a list.
9. The apparatus of claim 1, wherein the display further comprises a resume module configured to display the list of images so that an image of a content most recently used during a previous active period is displayed at a first position on the display area at a power ON timing.
10. The apparatus of claim 1, wherein:
the input module comprises a touch panel on a display surface of a display device;
the first operation comprises a pinch-in operation for bringing two contact points closer to each other on the touch panel; and
the second operation comprises a pinch-out operation for separating two contact points away from each other on the touch panel.
11. A method of controlling display for an information processing apparatus, the method comprising:
displaying a list of images representing contents;
accepting an operation for a display area where the list of images is displayed;
updating a display state of the list of images to collect a plurality of images of the contents comprising an identical attribute into a group image when a first operation for positions on the display area where images of contents comprising the identical attribute are displayed side-by-side is accepted, the group image allowing a user to identify that the contents comprising the identical attribute are grouped; and
updating the display state of the list of images to unfold the plurality of images of the contents collected into the group image and comprising the identical attribute if a second operation for a position on the display area where the group image is displayed is accepted.
12. A computer-readable, non-transitory storage medium having stored thereon a computer program executable by a computer, the computer program controlling the computer to function as:
a display configured to display a list of images representing contents; and
an input module configured to accept an operation for a display area where the display displays the list of images,
wherein the display comprises:
a first controller configured to update a display state of the list of images to collect a plurality of images of the contents comprising an identical attribute into a group image when the input module accepts a first operation for positions on the display area where images of contents comprising the identical attribute are displayed side-by-side, the group image allowing a user to identify that the contents comprising the identical attribute are grouped; and
a second controller configured to update the display state of the list of images to unfold the plurality of images of the contents collected into the group image and comprising the identical attribute if the input module accepts a second operation for a position on the display area where the group image is displayed.