Samsung Electronics Co., Ltd.

Graz University of Technology

Sunmin Kwon

Hoyoung Kim

Jeongae Park

Heejun Shim

Youngsam Shin

Dong-hoon Yoo

Seonghun Jeong

Kwontaek Kwon

Ahmet Can Mert

Sujoy Sinha Roy

Sangheon Lee

Dong-Hoon Yoo

Yongwoo Lee

Jieun Eom

Maksim Deriabin

Anisha Mukherjee

Aikata Aikata

Seonghoon Jeong

Aikata

An apparatus includes: one or more memories configured to store an operation key comprising a re-linearization key and ciphertext comprising a plurality of modules; a controller configured to schedule a homomorphic encryption operation based on the ciphertext, based on at least one of the plurality of modules and a modulus of the ciphertext; and a plurality of operation devices configured to parallelly process respective parts of the homomorphic encryption operation according to a result of the scheduling.

Apparatus and method with homomorphic encryption

Disclosed are apparatuses and methods with crypto processing. Computing devices may be interconnected to each other. Each computing device may be configured to perform polynomial operations based on homomorphic encryption. Memories may be configured to store instructions. Controllers may be configured to transfer instructions from the memories to the computing devices. One or more of the computing devices may each be configured to individually process, in parallel, at least a portion of the polynomial operations based on the homomorphic encryption according to an instruction transferred from a corresponding memory.

Crypto processor and electronic device including the same

A crypto processor, a method of operating a crypto processor, and an electronic device including a crypto processor. A method of operating a crypto processor for performing a polynomial multiplication of lattice-based texts includes transferring coefficients of polynomials for the polynomial multiplication to multipliers, performing multiplications for a portion of the coefficients in parallel using the multipliers, performing an addition for a portion of results of the multiplications using an adder, and determining a result of the polynomial multiplication based on another portion of the results of the multiplications and a result of the addition.

Crypto processor, method of operating crypto processor, and electronic device including crypto processor

A method and device for comparing movement paths based on homomorphic encrypted is disclosed, where a server includes a processor configured to collect first encrypted movement path information of a comparison target encrypted by a common key, receive, from a user device, second encrypted movement path information of a user of the user device encrypted by a private key, compare the first encrypted movement path information and the second encrypted movement path information, decrypt a portion of a result of the comparison by the common key to generate a partially decrypted comparison result, and provide the partially decrypted result of the comparison to the user.

Method and device for comparing movement paths based on homomorphic encryption

A method of compressing a texture includes receiving a texel block obtained by dividing texels forming a texture into units of blocks of texels, determining a block pattern of the texel block, and compressing the texel block based on the block pattern.

Method and apparatus for processing compressed texture

A method and a device for texture filtering include determining an upper mipmap and a lower mipmap based on a level of detail (LOD) value corresponding to a quad, obtaining first color values corresponding to the upper mipmap, obtaining second color values corresponding to the lower mipmap, and obtaining third color values of the pixels of the quad by using linear interpolation, based on the obtained first and second color values.

Method and device for texture filtering

A method of determining a level of detail (LOD) for a texturing includes: acquiring texture coordinate data on pixels included in an upper block; determining a reference quad among quads included in the upper block; determining a similarity between the determined reference quad and the upper block using texture coordinates of the determined reference quad and the upper block; and determining LODs of remaining quads among the quads included in the upper block to be the same as an LOD of the determined reference quad in response to the determining of the similarity including determining that the determined reference quad and the upper block are similar.

Graphics processing apparatus and method for determining level of detail (LOD) for texturing in graphics pipeline

An image processing method includes receiving a bitstream comprising a first encoding unit and a second encoding unit; acquiring from the bitstream a reference value for decoding of the first coding unit, a weight value for performing interpolation using the reference value to determine one or more sample values, and an index indicating one of the one or more sample values; decoding the first encoding unit using the index and a result of interpolation performed using the reference value and the weight value; and decoding the second encoding unit from the bitstream using the interpolation result used in the decoding of the first encoding unit.

Image processing method and image processing apparatus

Provided is a decompression apparatus and method thereof for decompressing rendering data. The decompression apparatus includes a data parsing unit configured to acquire a control component and a texture component from compressed input data including rendering information of an object, a decompression controller configured to allocate the control component to a control unit, wherein the control unit extracts a control command from the control component, and a logic calculation unit configured to, based on the control command, restore texture data of the object from the texture component.

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Seoul, South Korea

Sunmin Kwon