1. A method of operating a computer system comprising a mobile client connectable to one or more networks, the method comprising:
a) sensing, by the mobile client, a network characteristic indicative of a network type of a network to which the mobile client is connected;
b) selecting, by the mobile client, a quality of service policy based at least in part on the sensed network characteristic indicative of the network type, comprising:
selecting a first quality of service policy when the mobile client is connected to a network of a first network type; and
selecting a second quality of service policy different from the first quality of service policy when the mobile client is connected to a network of a second network type different from the first network type; and
c) transmitting, by the mobile client, a datagram over the network using the selected quality of service policy.
2. The method of claim 1, wherein sensing a network characteristic comprises determining whether the network is a managed network, and wherein the method further comprises:
when the network is determined to be a managed network, modifying a transmission characteristic of the datagram in accordance with the quality of service policy; and
when the network is determined not to be a managed network, transmitting the datagram without modifying a transmission characteristic of the datagram in accordance the quality of service policy.
3. The method of claim 2, wherein determining whether the network is a managed network comprises identifying a domain controller in the network.
4. The method of claim 1, wherein sensing a network characteristic comprises obtaining an IP address of a domain controller.
5. The method of claim 4, wherein the domain controller is associated with a domain and transmitting the datagram using the quality of service quality comprises using a policy of service policy associated with the domain.
6. The method of claim 2, wherein modifying a transmission characteristic of the datagram in accordance with the quality of service policy comprises inserting a quality of service parameter in a header of the datagram.
7. The method of claim 2, wherein modifying a transmission characteristic of the datagram in accordance with the quality of service policy comprises modulating a transmission rate based on the quality of service policy.
8. The method of claim 1, further comprising:
d) generating the datagram with an application executing on the mobile client, the application being unchanged to implement the quality of service policy.
9. At least one computer-readable storage device encoded with computer-executable instructions that, when executed by a computer, cause the computer to carry out a method of operating a computer system having a client, wherein the at least one computer-readable storage device is not a transitory signal, the method comprising:
a) while the client is in a first location:
connecting the client to a first network of a first network type;
transmitting a first datagram from the client using a quality of service policy;
b) while the client is in a second location:
identifying a second datagram to be transmitted by the client;
determining whether to apply the quality of service policy to the second datagram based at least in part on a type of network through which the second datagram is to be transmitted;
if the second datagram is to be transmitted over the first network, applying the quality of service policy to the second datagram; and
if the second datagram is to be transmitted over a second network of a second network type different from the first network type, transmitting the second datagram without applying the quality of service policy.
10. The at least one computer-readable storage device of claim 9, wherein the client is a portable computer, and the first location is an office and the second location is outside the office.
11. The at least one computer-readable storage device of claim 9, wherein the method further comprises,
c) while the client is in the second location, connecting the client to the first network using a VPN connection.
12. The at least one computer-readable storage device of claim 11, wherein the method further comprises:
d) transmitting a plurality of first type datagrams using the VPN connection, each of the first type datagrams being transmitted using the quality of service policy.
13. The at least one computer-readable storage device of claim 12, wherein the second network comprises the Internet, and wherein the method further comprises transmitting a plurality of second type datagrams over the Internet, the plurality of second type datagrams being interspersed with the plurality of first type datagrams.
14. The at least one computer-readable storage device of claim 9, wherein transmitting a first datagram from the client using a quality of service policy comprises inserting a quality of service parameter in a header of the datagram.
15. At least one computer-readable storage device encoded with computer-executable instructions that, when executed by a computer, cause the computer to carry out a method of operating a computer system having a client, wherein the at least one computer-readable storage device is not a transitory signal, the method comprising:
connecting the client to a network;
identifying a datagram to be transmitted by the client through the network;
determining a network type of the network through which the datagram is to be transmitted;
if the network is determined to be of a first network type, applying a quality of service policy to the datagram; and
if the network is determined to be of a second network type different from the first network type, transmitting the datagram without applying the quality of service policy.
16. The at least one computer-readable storage device of claim 15, wherein determining a network type of the network through which the datagram is to be transmitted comprises identifying a domain controller in the network.
17. The at least one computer-readable storage device of claim 15, wherein determining a network type of the network through which the datagram is to be transmitted comprises determining whether the network is a managed network, and wherein the quality of service policy is applied to the datagram if it is determined that the network is a managed network.
18. The at least one computer-readable storage device of claim 17, wherein the network is a first network and the client is connected to the first network via a VPN connection, and wherein the method further comprises:
determining that the first network is a managed network;
transmitting a first plurality of datagrams over the first network using the VPN connection, comprising applying the quality of service policy to each of the first plurality of datagrams;
connecting the client to a second network;
determining that the second network is not a managed network; and
transmitting a second plurality of datagrams over the second network, wherein the quality of service policy is not applied to each of the second plurality of datagrams, and wherein the second plurality of datagrams are interspersed with the first plurality of datagrams.
19. The at least one computer-readable storage device of claim 18, wherein applying the quality of service policy to each of the first plurality datagrams comprises controlling a rate at which the first plurality of datagrams are injected into the first network.
20. The at least one computer-readable storage device of claim 12, wherein applying the quality of service policy to the datagram comprises inserting a quality of service parameter in a header of the datagram.
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 nondestructive identification method configured to irradiate a radiation ray of an x-ray or a \u03b3-ray from a radiation source to a sample, and to identify contents inside the sample from a transmission image of the radiation ray having transmitted the sample, the method comprising:
obtaining a first transmission image by irradiating a radiation ray to the sample and one or more standard samples made of a known material, with energy of the radiation source being first energy;
obtaining a second transmission image by irradiating the radiation ray to the sample and the one or more standard samples, with the energy of the radiation source being second energy different from the first energy;
performing luminance adjustment on the second transmission image to make a luminance value of a part of the standard sample in the second transmission image be almost the same as a luminance value of a part of the standard sample in the first transmission image; and
obtaining an image in which only a part of the same material as the standard sample is deleted, by taking a difference between the second transmission image on which the luminance adjustment is performed and the first transmission image.
2. A nondestructive identification method configured to irradiate a radiation ray of an x-ray or a \u03b3-ray from a radiation source to a sample, and to identify contents inside the sample from a transmission image of the radiation ray having transmitted the sample, the method comprising:
by photographing a transmission image of a standard sample of known thickness and material and the sample while sequentially adding the standard samples with energy of the radiation source being first energy, and by photographing a transmission image of the standard sample and the sample while sequentially adding the standard samples with energy of the radiation source being second energy different from the first energy, obtaining a relation between the thickness of the standard sample in two types of energy and a luminance value of the transmitting radiation ray, and obtaining a function to make the luminance value obtained with the first energy in the transmission image of the standard sample be almost the same as the luminance value obtained with the second energy; and
taking a ratio between an image made by applying the function to the entire transmission image obtained with the first energy and a transmission image obtained with the second energy, normalizing a luminance of a part of the standard sample to be a specific value.
3. A nondestructive identification method configured to irradiate a radiation ray of an x-ray or a \u03b3-ray from a radiation source to a sample, and to identify contents inside the sample from a transmission image of the radiation ray having transmitted the sample, the method comprising:
by photographing a transmission image of a standard sample of known thickness and material and a sample while sequentially adding the standard samples, with energy of the radiation source being first energy, and by photographing a transmission image of the standard sample and the sample while sequentially adding the standard samples with energy of the radiation source being second energy different from the first energy, obtaining a relation between the thickness of the standard sample and a luminance value of the transmitting radiation ray in two types of energy; and
comparing the relation of the luminance value for the thickness of the standard samples added before the sample and the relation between the thickness and the luminance value in only the standard sample, speculating a material and a thickness of the sample.
4. The nondestructive identification method according to claim 1,
wherein a plurality of materials are displayed by color, by using a sensor which is made of combination of a color-emitting scintillator and a color camera and which can simultaneously photograph a plurality of images of different colors as a sensor to photograph the transmission image, and by performing luminance adjustment in order for deleting a different material for each component of the obtained plurality of transmission images.
5. The nondestructive identification method according to claim 1,
wherein, whether an atomic number or a density of a major constitutional element is larger or smaller than that of a constitutional element of the standard sample is speculated depending on whether a luminance value of an unknown content part in the image in which only the part of the same material as that of the standard sample is deleted is a positive value or a negative value by taking a difference between the second transmission image to which the luminance adjustment has been done and the first transmission image.
6. The nondestructive identification method according to claim 2,
wherein, whether an atomic number or a density of a major constitutional element is larger or smaller than that of a constitutional element of the standard sample is speculated depending on whether a luminance value of an unknown content in the image to which a computation processing to normalize a luminance value of the part of the standard sample to be 1 is performed is larger or smaller than 1.
7. A nondestructive identification device, comprising:
one or more standard samples made of a known material;
a radiation source irradiating a radiation ray of an x-ray or a \u03b3-ray to the standard sample and a sample, and whose energy can be changed;
a sensor detecting the radiation ray having transmitted the standard sample and the sample;
a signal processing device converting a signal of the sensor into an image;
an image processing device which performs adjustment on an entire second image to make a luminance value of a part of the standard sample in the image obtained by the signal processing device or a relation between the luminance value and a thickness of the standard sample in a first image where the energy of the radiation source is first energy be the same as that in the second image where the energy of the radiation source is second energy different from the first energy, and which performs a computation processing to take a difference or a ratio between the adjusted second image and the first image; and
a display device displaying an image on which the computation processing is performed by the image processing device.
8. The nondestructive identification device according to claim 7,
wherein the sensor is constituted by combining a scintillator converting a radiation ray into a light, an amplification function converting the emitted light into an electric signal and electrically amplifying that electric signal, a color scintillator emitting lights of a plurality of colors in correspondence with an intensity of the electric signal, and a color camera; and
wherein a plurality of materials is displayed by color by applying luminance adjustment to delete the different material for respective components of red, green, and blue of an obtained transmission image.
9. A nondestructive identification device, comprising:
a standard sample a known material and thickness;
a radiation source irradiating a radiation ray of an x-ray or a \u03b3-ray to the standard sample and a sample and whose energy can be changed;
a sensor detecting the radiation ray having transmitted the standard sample and the sample; and
a signal processing device converting a signal of the sensor into an image,
wherein the thickness of the standard sample and the energy of the radiation source are changed and a transmission image is measured each time, and a material and a thickness of the sample is derived from change of a luminance of the image by the thickness of the standard sample and the energy of the radiation source.
10. The nondestructive identification device according to claim 7,
wherein the standard sample is made to be able to be photographed simultaneously with the sample by using an area camera as the sensor and by disposing the standard samples made of different materials or the standard samples having different thicknesses by three or more stages in four corners or four edges of a screen to be photographed, and a material inside the sample is identified by processing image data of a part of the standard sample in images photographed with the energy of the radiation ray being changed.
11. The nondestructive identification device according to claim 7,
wherein the standard sample is made to be able to be photographed simultaneously with the sample by using a line camera as the sensor and by disposing the standard samples made of different materials or the standard samples having different thicknesses by three or more stages in both sides of or above and below the sensor to photograph, and a material inside the sample is identified by processing image data of a part of the standard sample in an image photographed with the energy of the radiation ray being changed.