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Image processing apparatus, image processing system, imaging apparatus and image processing method

InactiveUS20050053307A1Amount of necessary be reduceSuppress memory capacityTelevision system detailsGeometric image transformationDistortion correctionImaging equipment
An image processing apparatus includes an zoom position acquiring section for acquiring a zoom position representing a lens position condition of the optical zoom mechanism on taking the inputted image, a zooming-direction decoding section for decompressing correction parameter associated with the zoom position, which is acquired by the zoom position acquiring section, according to a zoom compression parameter, into which a correction parameter for distortion correction corresponding to each lens position condition is compressed by utilizing zoom partitioning points at which lens position conditions of the optical zoom mechanism are sequentially partitioned into plural levels that are set between a wide-end and a tele-end and that include both ends, and an image correction section for correcting distortion of the inputted image according to the correction parameter decompressed by the zooming-direction decoding section.
Owner:SONY CORP

Preparation method and application of nickel-rich cobalt-free single crystal positive electrode material of lithium ion battery

The invention discloses a preparation method of a nickel-rich cobalt-free single crystal positive electrode material of a lithium ion battery, and belongs to the field of positive electrode materials of lithium ion batteries. The preparation method comprises the steps of preparing a nickel-rich cobalt-free hydroxide precursor through coprecipitation; uniformly mixing the precursor, molten salt and lithium salt according to a certain stoichiometric ratio, then calcining at high temperature, washing the obtained mixture with deionized water for multiple times, and drying to obtain lithium-deficient single-crystal-morphology spinel-like nickel-rich primary particles; and then supplementing a certain amount of lithium salt into the primary particles, uniformly mixing, and sintering at high temperature to obtain the single-crystal nickel-rich cobalt-free layered positive electrode material. The method is suitable for preparing the single crystal nickel-rich positive electrode material, lithium is added in the first step, the molar ratio Li/(Ni + Mg + Fe + Ti) of the lithium element to the sum of nickel, magnesium, iron and titanium is 0.8-1.0, micron-sized lithium-deficient spinel type nickel-rich single crystal particles are formed after sintering, the micron-sized large-size nickel-rich layered single crystal positive electrode material can be formed in the low-temperature range of 650-800 DEG C after water washing and lithium supplementation, the tap density is high, the lithium-nickel mixed arrangement is low, and the layered structure is good, so that the specific capacity is higher, and the cycle performance is good.
Owner:UNIV OF SCI & TECH BEIJING

Temperature control device

A calorimeter with at least one reactor for receiving a sample. A reactor jacket may surround the reactor. A reactor-heating device and a reactor-cooling device serve to regulate an internal reactor temperature. The reactor-cooling device preferably comprises a thermoelectric cooling element that is thermally connected to a coolant. The reactor-cooling device and the reactor-heating device are preferably individual units, both of which are thermally connected to the reactor by way of the reactor jacket. A temperature control device is provided to control the reactor-heating device and the reactor-cooling device.
Owner:METTLER TOLEDO GMBH
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